CN103895532B - A kind of Multi-function steel-aluminium composite rail production line - Google Patents
A kind of Multi-function steel-aluminium composite rail production line Download PDFInfo
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- CN103895532B CN103895532B CN201410148843.6A CN201410148843A CN103895532B CN 103895532 B CN103895532 B CN 103895532B CN 201410148843 A CN201410148843 A CN 201410148843A CN 103895532 B CN103895532 B CN 103895532B
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- steel
- recombiner
- aluminum
- conductor rail
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60M—POWER SUPPLY LINES, AND DEVICES ALONG RAILS, FOR ELECTRICALLY- PROPELLED VEHICLES
- B60M1/00—Power supply lines for contact with collector on vehicle
- B60M1/30—Power rails
- B60M1/302—Power rails composite
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- Arc Welding In General (AREA)
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Abstract
The present invention relates to a kind of Multi-function steel-aluminium composite rail production line, belong to the production facilities to the equipment that track traffic is powered.It mainly adopts and comprises main frame (8) and two traction machines (11) and some conveyers (12) composition manufacturing lines, containing pre-recombiner (1) in main frame (8), main recombiner (2), heavy recombiner (3), vertical adjusting device (4) and level governor (7) etc., it is characterized in that in main frame (8) containing dresser (5) and shaper (6), enwraped type composite conductor rail of steel and aluminum (20) can be produced fast, can middling speed production outsourcing formula composite conductor rail of steel and aluminum (36) when vertical adjusting device (4) is replaced with welder (40).Speed of production of the present invention is fast, function is many, and product straightness accuracy is good, and corrosion-resistant steel and aluminium compound are firm, steel and aluminium contact resistance little.
Description
Technical field
The present invention relates to a kind of Multi-function steel-aluminium composite rail production line, belong to the production facilities to the equipment that track traffic is powered.
Background technology
Before the present invention makes, in prior art, about the steel-aluminium composite conducting rail of Feeding System of Urban Rail Transit, the such as patent No. be 201110053436.3 composite conductor rail of steel and aluminum manufacturing line only to produce by I-shape aluminium section bar upper outside two journal stirrups to hold the composite conductor rail of steel and aluminum of stainless steel tank tightly---i.e. " enwraped type " composite conductor rail of steel and aluminum; But composite conductor rail of steel and aluminum---i.e. " outer-enwraped type " composite conductor rail of steel and aluminum being combined in welding in the middle of after on I-shape aluminium section bar by two " J " shape steel bands can not be produced.International track traffic industry does not also have one " enwraped type " and " outer-enwraped type " composite conductor rail of steel and aluminum all fertile Novel steel aluminium composite rail production line.
Summary of the invention
The object of the present invention is to provide a kind of manufacturing technology and special production line thereof of multi-functional steel-aluminium composite conducting rail, stainless steel band and I-shape aluminium section bar are combined into one, complete the main production process of the steel-aluminium composite conducting rail of " enwraped type " and " outer-enwraped type ", part is become product by high-quality rapidly.
Solution of the present invention is achieved in that main employing comprises main frame (8) and two traction machines (11) and some conveyers (12) and forms manufacturing lines, containing pre-recombiner (1) in main frame (8), main recombiner (2), heavy recombiner (3), vertical adjusting device (4) and level governor (7) etc., it is characterized in that in main frame (8) containing dresser (5) and shaper (6), enwraped type composite conductor rail of steel and aluminum (20) can be produced fast, when vertical adjusting device (4) is replaced with welder (40), can middling speed production outsourcing formula composite conductor rail of steel and aluminum (36).
Compared with the prior art the present invention, has the following advantages:
1, function of the present invention is many, both can produce enwraped type composite conductor rail of steel and aluminum, again can production outsourcing formula composite conductor rail of steel and aluminum.
2, degree of automation is high, I-shape aluminium section bar (24) and stainless steel tank (25), or I-shape aluminium section bar with holes (37) and J-shaped corrosion-resistant steel (38), enter from the manufacturing line left side, on the right of manufacturing line, become steel-aluminium composite conducting rail finished product (20) or (36).
3, speed of production is fast, owing to adding shaper (6), further suppress aluminum alloy and stainless elastic recoil, and when producing enwraped type composite conductor rail of steel and aluminum (20), the linear velocity of manufacturing line can reach 2 ~ 20 ms/min.Owing to have employed plasma welding machine (42), the speed of production of outer-enwraped type composite conductor rail of steel and aluminum (36) can reach 0.5 ~ 5 m/min.And save the operation of weld preparation on J-shaped steel 38.
4, steel and aluminium contact resistance is little, yield rate is high, composite conductor rail of steel and aluminum length can reach more than 24 meters.Product straightness accuracy is good.
Accompanying drawing explanation
Fig. 1: the present invention is used for host computer side view when enwraped type composite conductor rail of steel and aluminum is produced.
Fig. 2: the present invention is used for birds-eye view when enwraped type composite conductor rail of steel and aluminum is produced.
Fig. 3: with the product drawing in side sectional elevation of the enwraped type composite conductor rail of steel and aluminum 20 of the present invention's processing.
Fig. 4: the drawing in side sectional elevation of the heavy recombiner 3 in the present invention.
Fig. 5: the drawing in side sectional elevation of the vertical adjusting device 4 in the present invention.
Fig. 6: the drawing in side sectional elevation of the dresser 5 in the present invention.
Fig. 7: the shaping wheel 31 in the present invention and the partial enlarged drawing of enwraped type composite conductor rail of steel and aluminum 20.
Fig. 8: the drawing in side sectional elevation of the level governor 7 in the present invention.
Fig. 9: the birds-eye view of the level governor 7 in the present invention.
Figure 10: the product drawing in side sectional elevation of the outer-enwraped type composite conductor rail of steel and aluminum 36 of the present invention's processing.
Figure 11: the present invention is used for host computer side view when outer-enwraped type composite conductor rail of steel and aluminum is produced.
Figure 12: the birds-eye view of the welder 40 in the present invention.
Detailed description of the invention
Embodiment below in the present invention is by reference to the accompanying drawings further described:
Fig. 1 is the lateral plan of the main frame (8) of the present invention when producing for enwraped type composite conductor rail of steel and aluminum 20.Be followed successively by pre-recombiner 1, main recombiner 2, heavy recombiner 3, vertical adjusting device 4, dresser 5, shaper 6, level governor 7 from left to right.Side, the I-shape aluminium section bar 24 top two aluminium section bar journal stirrup 26 of enwraped type composite conductor rail of steel and aluminum 20 progressively rotates and is adjacent to the outside of two crimps of stainless steel tank 25 by the left side three part of main frame (8) from outside to inside.The effect of middle vertical adjusting device 4 is the adjustments longitudinal straightness accuracy of composite conductor rail of steel and aluminum 20 being made to vertical direction.The application force that 31 pairs of aluminium section bar journal stirrups 26 apply from the top down is taken turns in the shaping of dresser 5, makes aluminium section bar journal stirrup 26 more be adjacent to stainless steel tank 25.Shaper 6 can eliminate composite conductor rail of steel and aluminum 20 aluminum alloy and corrosion-resistant steel elastic recoil effect after deformation in former procedure, thus line speed is accelerated to ensureing when 20 ms/min that the inside face of stainless steel tank 25 is adjacent to the upper surface of I-shape aluminium section bar 24, the contact resistance of steel and aluminium is less.The longitudinal straightness accuracy of level governor 7 recoverable composite conductor rail of steel and aluminums in horizontal surface.
Fig. 2 is the birds-eye view of the present invention when producing for enwraped type composite conductor rail of steel and aluminum.The conveyer 12 on the left side puts I-shape aluminium section bar 24, buckles stainless steel tank 25, and under the traction machine 11 drive roll rotary action on the left of main frame, another part I-shape aluminium section bar 24 and stainless steel tank 25 are entered main frame (8) to the right.Although the circumferential surface of the two lateral pressure wheel of active side pinch roller 21 of the fixation side pinch roller 17 of the active rotation of pre-recombiner 1 and passive rotation is smooth, this is about 2mm to the overall width that the gap of lateral pressure wheel is less than the aluminium section bar journal stirrup 26 before compound; Gap between the lower pressure wheel 13 of pre-recombiner 1 and upper pressure wheel 22 is than the gross thickness also little 0.02mm of I-shape aluminium section bar 24 and stainless steel tank 25, therefore, after crossing pre-recombiner 1, I-shape aluminium section bar 24 and stainless steel tank 25 are able to preliminary compound under upper-lower compacting state.Pre-recombiner 1 in Fig. 2 with Fig. 4 in the present invention, main recombiner 2, heavy recombiner 3 and shaper 6 are substantially identical on physical construction, just, the fixation side pinch roller 17 of three and the lateral pressure wheel circumferential surface of active side pinch roller 21 have groove, and the shape of this groove is probably consistent with the side view on the top of predetermined composite conductor rail of steel and aluminum 20.The lateral pressure wheel groove of heavy recombiner 3 is standard shape, the shallow 0.2mm of lateral pressure wheel groove of main recombiner 2, and the lateral pressure wheel groove of shaper 6 is than the dark 0.1mm of standard.
In Fig. 2 and Fig. 4, the spacing maxima between often pair of lateral pressure wheel, calculate with bottom portion of groove, main recombiner 2 is 92.5mm, and heavy recombiner 3 is 91.8mm, and shaper is 91.7mm, and the width crossing the rear composite conductor rail of steel and aluminum 20 of shaper 6 is 92 ± 0.1mm.And the gap between often pair of upper lower pressure wheel, main recombiner 2 is 104.94mm, and heavy recombiner 3 is 104.90mm, and shaper 6 is 104.85mm, and the height crossing the rear composite conductor rail of steel and aluminum 20 of shaper 6 is 105 ± 0.15mm.
Electrical control cubicles 9 li has simultaneous operation device in fig. 2, and two traction machines 11 can be made to run with same linear velocity with main frame 8,10 times when being the slowest when range of speed is the fastest.Have the buncher of a 30kw in power combination 10, after two drop-gear boxs, power passes to various piece on main frame 8 through sprocket wheel chain.When batch manufacturing enwraped type composite conductor rail of steel and aluminum 20, the transmitting ratio of two drop-gear boxs is 1/20 and 1/10; And the transmitting ratio of two drop-gear boxs is respectively 1/20 and 1/40 when batch manufacturing outer-enwraped type composite conductor rail of steel and aluminum 36, namely power combination 10 has three drop-gear boxs, maintaining static of transmitting ratio 1/20, will replacing of transmitting ratio 1/10 and 1/40.In Fig. 2, composite conductor rail of steel and aluminum 20 or 36 good for main frame 8 compound is sent on rightmost conveyer 12 by the traction machine 11 on the right, completes the main production process of product.
Fig. 3 is the product drawing in side sectional elevation of the enwraped type composite conductor rail of steel and aluminum 20 with the present invention's processing.Two aluminium section bar journal stirrups 26 before I-shape aluminium section bar 24 upper outside compound turn up, and are convenient to stainless steel tank 25 and tip in, its inner bottom surface is contacted with the upper surface of I-shape aluminium section bar 24.Aluminium section bar journal stirrup after compound 26 is adjacent to two crimps of stainless steel tank 25, two corners due to stainless steel tank 25 are milled out 90 ° of right angles and are come, after compound, the inner concave right angle of aluminium section bar journal stirrup 26 matches at this, ensure that the main contact surface of steel and aluminium is adjacent to, steel and aluminium contact resistance little.I-shape aluminium section bar 24 cross section is large, and volume resistance is little, can effectively transmit 4000A electric current, and stainless steel tank 25 can tolerate the electro spark that big current moving contact produces, and ensures 50 years service life.
Fig. 4 is the drawing in side sectional elevation of the heavy recombiner 3 in the present invention, is also the drawing in side sectional elevation of main recombiner 2 and shaper 6, and the drawing in side sectional elevation of pre-recombiner 1 is also schemed similar therewith, and only the circumferential surface of lateral pressure wheel 17 and 21 is without groove.On the base of main frame 8, two sides respectively fill a bearing support 18, and the bearing seat of horizontal lower main axis 14 is housed.Power rotates through chain-driving sprocket wheel 15 and axle 14, and a pair bevel gear 16 makes fixation side pinch roller combine the vertical pivot synchronous axial system of 17, makes the lower pressure wheel 13 on axle 14 and fixation side pinch roller 17 and active side pinch roller 21 have identical linear velocity.The diameter of lower pressure wheel 13 and upper pressure wheel 22 is comparatively large, and pressure is little to the pressure of composite conductor rail of steel and aluminum 20 or 36 is large to make it, and pressure is conducive to greatly the contact resistance reducing steel and aluminium, and the little waist of I-shape aluminium section bar 24 or 37 that just not easily makes of pressure produces distortion and distortion.Screw mandrel regulating mechanism 23 accurately can control the high and low position of upper pressure wheel combination 22 under digital display device 19 coordinates, and ensures accuracy rate composite conductor rail of steel and aluminum being executed to stressed pressure.
Fig. 5 is the drawing in side sectional elevation of the vertical adjusting device 4 in the present invention, the base of main frame 8 is loaded onto transition bracket 28, be loaded on bearing support 18, the upper surface of bottom roller 29 and shaping are taken turns the height being highly slightly less than composite conductor rail of steel and aluminum 20 between 31 and are about 0.1mm, the bearing block connecting plate 30 that the axle of 31 is taken turns in the bearing seat of the axle of bottom roller 29 and shaping links up, left and right screw mandrel regulating mechanism 23 synchronously upper or lower mobile shaping takes turns 31 and bottom roller 29, the just straightness accuracy of adjustable composite conductor rail of steel and aluminum.Due to lower pressure wheel in the present invention 13 active rotation, the passive rotation of upper pressure wheel 22, and the aluminium section bar friction coefficient about 0.2 contacted with lower pressure wheel, and the corrosion-resistant steel friction coefficient contacted with upper pressure wheel is 0.1, composite conductor rail of steel and aluminum 20 right-hand member generally can be caused upwards to scratch, therefore shaping wheel 31 and bottom roller 29 should synchronously move down, thus correct the straightness accuracy of composite conductor rail of steel and aluminum.
Fig. 6 is the drawing in side sectional elevation of the dresser 5 in the present invention.Power combination is rotated through chain-driving sprocket wheel and axle thereof and lower pressure wheel 13.Pair of right and left bearing seat below bearing support 18 maintains static.The Y-axis bearing of installing the axle of shaping wheel 31 then controls with screw mandrel regulating mechanism and moves up and down, and makes shaping take turns 31 application forces produced from top to bottom and compresses stainless steel tank 25 further to force two journal stirrups 26 of the aluminium section bar 24 of composite conductor rail of steel and aluminum.Significantly improve composite quality.One offside deflector roll 33 can ensure that composite conductor rail of steel and aluminum longitudinal centerline does not offset, and avoids shaping to take turns the journal stirrup scratching aluminium section bar 24.
Fig. 7 be in the present invention shaping wheel 31 with 20 of composite conductor rail of steel and aluminum partial enlarged drawing.The bottom surface of enwraped type composite conductor rail of steel and aluminum 20 is supported by the upper surface of bottom roller 29, after shaping wheel 31 highly declines, the camber line 34 of shaping wheel is pressed on the outside camber line of two aluminium section bar journal stirrups 26 of composite conductor rail of steel and aluminum 20, makes aluminium section bar journal stirrup 26 be adjacent to the lateral surface of stainless steel tank 25 further.The radius of shaping wheel camber line 34, slightly larger than the radius of the outside camber line of aluminium section bar journal stirrup 26, thus aluminium section bar journal stirrup 26 can not leave impression, make composite conductor rail of steel and aluminum 20 good looking appearance.The wedge angle 35 of shaping wheel overlaps with the vertex position, inner side of aluminium section bar journal stirrup 26, the gap between the aluminium section bar journal stirrup 26 after compound and stainless steel tank 25 is made to be zero, both attractive in appearance, prevent again dust from entering the composite surface of the two, the contact resistance being conducive to steel and aluminium keeps constant.
Fig. 8 is the drawing in side sectional elevation of the level governor 7 in the present invention.Bearing support 18 base of main frame 8 is equipped with.The first half of composite conductor rail of steel and aluminum 20 clamped by fixation side pinch roller 17 and active side pinch roller 21.The symmetrical center line of left and right bearing support differs 23mm with the line of centers of composite conductor rail of steel and aluminum.Level governor itself is unpowered.
Fig. 9 is the birds-eye view of the level governor 7 in the present invention.Composite conductor rail of steel and aluminum 20 moves from left to right in centre.A pair active side pinch roller 21 upper and lower a pair bearing support 18 be equipped with, the gap between screw mandrel regulating mechanism adjustable lateral pressure wheel 21.Due to active rotation in former procedure pinch roller all up, the lateral pressure wheel of passive rotation is all in below, and composite conductor rail of steel and aluminum can be bent downwardly in right.And by mechanics analysis and calculation, stagger distance L in the center of two groups of active side pinch rollers 21, longitudinal straightness accuracy of composite conductor rail of steel and aluminum 20 just can be recovered.Two pairs, left and right deflector roll 32 has certain booster action to regulating longitudinal straightness accuracy of composite conductor rail of steel and aluminum.
Figure 10 is the product drawing in side sectional elevation of the outer-enwraped type composite conductor rail of steel and aluminum 36 that the present invention processes.Two J-shaped corrosion-resistant steels 38 are oppositely placed on I-shape aluminium section bar 37 top with holes, leave gap of 0.5 to 1.0mm in the middle of it, owing to adopting Plasma Welding, need not beveling of the edge on J-shaped corrosion-resistant steel, thus economize next process.The cooling of the corrosion-resistant steel solder after welding in weld seam had both made left and right J-shaped corrosion-resistant steel 38 be connected, and made again left and right J-shaped corrosion-resistant steel 38 tightly embrace I-shape aluminium section bar 37 with holes, formed outer-enwraped type composite conductor rail of steel and aluminum 36.Owing to having the circular hole of about Φ 14 in the middle of I-shape aluminium section bar 37 top with holes, produce when being extrusion forming.When Plasma Welding, this Φ 14 circular hole makes unnecessary heat energy be taken away by the air-flow in circular hole, the energy of the I-shape waist and bottom that pass to I-shape aluminium section bar 37 with holes has been not enough to make the modulus of elasticity of I-shape aluminium section bar 37 with holes to reduce, thus keep its product amount of deflection to be less than standard value, i.e. single supported beam state lower fulcrum distance 5m, amount of deflection under middle 150kg load is less than 7mm, and this is with the composite conductor rail of steel and aluminum institute out of reach that argon arc welding is produced on other manufacturing line.
Figure 11 is the lateral plan of the main frame 8 of the present invention when producing for outer-enwraped type composite conductor rail of steel and aluminum.The middle part of figure is the left side of welder 40, figure is pre-recombiner 1, and the right of main recombiner 2 and heavy recombiner 3, figure is dresser 5, shaper 6 and level governor 7.Heavy recombiner 3 and shaper 6 are furnished with digital display device 19, make the MECHANISM PRECISION of these two parts reach micron order, thus ensure that the Product Precision of composite conductor rail of steel and aluminum 36.Compared to Figure 1, be only the welder 40 that vertical adjusting device 4 in Fig. 1 has changed in Figure 11 into.Welder 40 comprises beneath cross saddle 41.Milling machine frame 43.Plasma welding machine 42.Wire-feed motor 44.Water tank 45.Argon bottle 46 etc.Plasma gun is fixed on the main shaft of milling machine frame 43.Its vertical regulating mechanism with the height manually determining plasma gun, thus can control the height of plasma torch, guarantees that two J-shaped corrosion-resistant steels 38 are by through welding, ensures its welding fastness.Plasma Welding does not generally need welding wire, in order to ensure two stainless welding wire zero defects of J-shaped, adopts wire-feed motor 44 to add a small amount of stainless steel welding stick.The motor of milling machine frame 43 is dismantled, and the cooling water source of Plasma Welding is in water tank 45 and water pump.In the production process of outer-enwraped type composite conductor rail of steel and aluminum 36, all lower pressure wheels 13 and upper pressure wheel 22 and fixation side pinch roller 17 and active side pinch roller 21 strictly advance along predetermined longitudinal centerline after playing and being clamped up and down by composite conductor rail of steel and aluminum 36 from left to right, thus ensureing that plasma torch is injected in the gap of the reserved dark 5 ~ 6mm of wide 0.5 ~ 1.0mm of two J-shaped corrosion-resistant steels 38 all the time, welding quality has just had guarantee.The circumferential groove of fixation side pinch roller 17 and active side pinch roller 21 should meet the oad of outer-enwraped type composite conductor rail of steel and aluminum 36, or puts the wheel case making its surface smooth-going.
Figure 12 is the birds-eye view of welder 40 in the present invention.On the base of main frame 8, the cross saddle 41 of device is relative to the position of the vertical moving milling machine frame 43 in longitudinal center's alignment two limit, thus guarantees that plasma torch does not depart from the slit center of 0.5 ~ 1.0mm of two J-shaped corrosion-resistant steels 38.Deflector roll 32 is held composite conductor rail of steel and aluminum 36 and is ensured that its spatial altitude is constant, plasma welding machine 42, and wire-feed motor 44, water tank 45 and argon bottle 46 are not placed on cross saddle 41, but on the base being placed directly in main frame (8) or on ground.Outer-enwraped type composite conductor rail of steel and aluminum 36 moves with the speed of 0.5 ~ 5 m/min from left to right along the center (i.e. the alignment of shafts of milling machine frame 43) of welder 40, J-shaped corrosion-resistant steel thickness is thinner, moving velocity can soon, be enhanced productivity under the prerequisite technological condition ensureing welding quality.
Claims (4)
1. a Multi-function steel-aluminium composite rail production line, comprise main frame (8) and two traction machines (11) and some conveyers (12) and form manufacturing lines, containing pre-recombiner (1) in main frame (8), main recombiner (2), heavy recombiner (3), vertical adjusting device (4) and level governor (7), it is characterized in that in main frame (8) containing dresser (5) and shaper (6), enwraped type composite conductor rail of steel and aluminum (20) can be produced fast, when vertical adjusting device (4) is replaced with welder (40), can middling speed production outsourcing formula composite conductor rail of steel and aluminum (36).
2. a kind of Multi-function steel-aluminium composite rail production line according to claim 1, it is characterized in that the cross saddle (41) in welder (40) can regulate the lateral position welding torch, milling machine frame (43) can regulate the upper-lower position of welding torch.
3. a kind of Multi-function steel-aluminium composite rail production line according to claim 1, is characterized in that main frame (8) adopts a set of power combination (10) through sprocket wheel (15) and the pre-recombiner of chain-driving (1), main recombiner (2), the lower pressure wheel (13) weighing recombiner (3) and shaper (6) and dresser and fixation side pinch roller combination (17) synchronous axial system.
4. a kind of Multi-function steel-aluminium composite rail production line according to claim 1, is characterized in that the inner side vertex position consistency of aluminium section bar journal stirrup after shaping wheel wedge angle (35) of dresser (5) and compound.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410148843.6A CN103895532B (en) | 2014-04-08 | 2014-04-08 | A kind of Multi-function steel-aluminium composite rail production line |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410148843.6A CN103895532B (en) | 2014-04-08 | 2014-04-08 | A kind of Multi-function steel-aluminium composite rail production line |
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| Publication Number | Publication Date |
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| CN103895532A CN103895532A (en) | 2014-07-02 |
| CN103895532B true CN103895532B (en) | 2016-04-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410148843.6A Expired - Fee Related CN103895532B (en) | 2014-04-08 | 2014-04-08 | A kind of Multi-function steel-aluminium composite rail production line |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2231544A (en) * | 1989-05-20 | 1990-11-21 | Brecknell Willis & Co Ltd | Conductor rails with wear-resisting facing layer |
| CN101579798A (en) * | 2008-07-30 | 2009-11-18 | 天津普悦科贸有限公司 | Process for manufacturing steel-aluminum composite conductor rail |
| CN102180104A (en) * | 2011-02-27 | 2011-09-14 | 李雷 | Steel-aluminum compound rail production line |
| CN103318055A (en) * | 2013-06-24 | 2013-09-25 | 北京星通浩宇科技发展有限公司 | Welded steel-coated-aluminum steel-aluminum conductor rail and production method thereof |
| CN203805723U (en) * | 2014-04-08 | 2014-09-03 | 李雷 | Multifunctional steel-aluminum composite rail production line |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2433908B (en) * | 2006-06-03 | 2008-05-07 | Brecknell Willis & Co Ltd | Conductor rails |
-
2014
- 2014-04-08 CN CN201410148843.6A patent/CN103895532B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2231544A (en) * | 1989-05-20 | 1990-11-21 | Brecknell Willis & Co Ltd | Conductor rails with wear-resisting facing layer |
| CN101579798A (en) * | 2008-07-30 | 2009-11-18 | 天津普悦科贸有限公司 | Process for manufacturing steel-aluminum composite conductor rail |
| CN102180104A (en) * | 2011-02-27 | 2011-09-14 | 李雷 | Steel-aluminum compound rail production line |
| CN103318055A (en) * | 2013-06-24 | 2013-09-25 | 北京星通浩宇科技发展有限公司 | Welded steel-coated-aluminum steel-aluminum conductor rail and production method thereof |
| CN203805723U (en) * | 2014-04-08 | 2014-09-03 | 李雷 | Multifunctional steel-aluminum composite rail production line |
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Address after: 214026 Jiangsu City, Wuxi Province, the Yangtze River Road north of the Yangtze River Road, No. 267, Golden Plaza, unit 4, No. 1, No. Patentee after: Li Lei Address before: The canal Nanchang District of West Wuxi City, Jiangsu province 214000 Sheng Xin Li, No. 29-302 Patentee before: Li Lei |
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Granted publication date: 20160406 Termination date: 20200408 |
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