CN200978375Y - Segment type multiple railroad switch - Google Patents
Segment type multiple railroad switch Download PDFInfo
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- CN200978375Y CN200978375Y CN 200620041549 CN200620041549U CN200978375Y CN 200978375 Y CN200978375 Y CN 200978375Y CN 200620041549 CN200620041549 CN 200620041549 CN 200620041549 U CN200620041549 U CN 200620041549U CN 200978375 Y CN200978375 Y CN 200978375Y
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- way
- clearing
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Abstract
The utility model provides a segment multi-opening switch which comprises an active beam and at least three sticks of passive beams, beams are connected by connecting arrangement, the active beam is driven by driving device, the active beam and the passive beam are rotating along the respective rail around the rotation center through trolley to switch, and both beams are provided with tail boom and connected with rotating center by the tail boom, herein at least one of the tail boom is overlapping and crossing with respective trolley. The segment multi-opening switch in the utility model realizes switch one rail to three other rails and satisfies requirement of switch distance not decreasing passage capability of train for each beam is provided with tail boom, and at least one of the tail boom is overlapping and crossing with respective trolley.
Description
Technical field
The utility model relates generally to Rail Transit System, particularly relates to the subsection type railroad switch that is used for magnetic suspension traffic system and/or monorail traffic system.
Background technology
For the vehicle of encircling in orbit, comprise the floating and monorail car of magnetic, be used for forwarding to the track switch of many circuits by a circuit, can be all-in-one-piece, as a girder steel of elastic buckling planar, also can be the subsection type railroad switch that constitutes by the multistage rail beam.
U.S. Pat 5,193,767 disclose a kind of subsection type railroad switch, and it comprises track switch beam section that moves more than one and the sprocket wheel chain type drive unit that is used to drive on chassis and track.Described drive unit is arranged on track switch beam bottom and side, drives crank by chain and rotates, and the track switch active beam is swung back and forth, to realize by a line track to the displacement another line track around imaginary centres.
U.S. Pat 5,247,890 disclose another kind of subsection type railroad switch, and this track switch is made up of an active beam and at least one passive beam.When active beam rotates around imaginary centres, drive passive beam and rotate around the center of being fixed in ground of oneself.The joint type linkage is arranged between each beam.
Two kinds of above-mentioned subsection type railroad switch are made up of 3 joint beam sections, and the fixed line that is used for below 3 connects more, and are not suitable for the connections bigger, between more a plurality of fixed lines of turn-out track distance.Its main cause is: 1) when one timing of adjacent beam section corner, can only satisfy the requirement of big turn-out track distance by the length that increases the beam section, this stay hidden danger certainly will for the track switch vibration of beam; 2) when the beam segment length does not increase, then to satisfy the requirement of turn-out track distance by the corner between the increase beam section, this way can reduce the performance of passing through of train greatly, even causes train not pass through.
The utility model content
At above-mentioned defective, the purpose of this utility model is, a kind of subsection type railroad switch of opening is provided more, can be by other circuit more than the circuit turn-out track to three so that encircle rail vehicle (magnetic is floating, monorail).
For achieving the above object, the utility model provides a kind of sectional type trouble of clearing the way more, comprise an active beam and at least three passive beams, interconnect by linkage between each beam section, active beam is driven by drive unit, make active beam and passive beam along the orbit rotation of correspondence turn-out track take place around separately center of rotation and by chassis, active beam and passive beam have tail boom respectively, and be connected in separately center of rotation by these tail booms, wherein, at least one tail boom in each tail boom has overlapping the intersection with corresponding chassis.
In sectional type of the present utility model clears the way trouble more, because each beam section has tail boom, and at least one tail boom has overlapping the intersection with corresponding chassis, thereby can realize by other circuit more than the circuit turn-out track to three, simultaneously can satisfy the requirement of turn-out track distance, and can not reduce the performance of passing through of train.
On the basis of technique scheme, can also design various preferable embodiment as described below.
Preferably, one of track is arranged on the rail beam, and rail beam is crossed over the tail boom of active beam, and this tail boom is swung in the space below rail beam.
Preferably, one of track is arranged on the both sides of one of center of rotation, and one of chassis is crossed over the tail boom and the center of rotation of one of passive beam.
Preferably, track is by the frame height, to reduce the chassis height.
Preferably, linkage is arranged on two axle carriages between the beam section, it comprises the axle sleeve that is arranged on an axle on the chassis of beam section rear end and is set in the axle outside, and is arranged on the chute on another beam section front end, and axle cooperates slip in chute.
Preferably, chassis is provided with the bilateral roller, as the supporting-point of each beam section on chassis or buttress beam.
Preferably, drive unit comprises: the chute that be fixed in the crank pivoted arm on ground and corresponding driving motor, is arranged on the slide block of each pivoted arm end and is arranged on the active beam both sides, slide block slides in chute.
Preferably, drive unit comprises: be fixed in the slide way mechanism on ground, the slide block that is arranged on drive motors on the active beam and crank pivoted arm thereof and is arranged on the pivoted arm end, slide block slides in chute.
Preferably, between each beam section, be provided with the slit articular lamella.
Preferably, this sectional type trouble of clearing the way is five troubles of clearing the way more, comprises an active beam and four passive beams.
Description of drawings
Fig. 1 a is the floor map of the trouble of clearing the way according to five of the utility model one preferred embodiment;
Fig. 1 b is above-mentioned five elevational schematic view of clearing the way and branching off;
Fig. 2 cuts open the schematic cross-section of getting along the line among Fig. 1 b " A-A ";
Fig. 3 cuts open the schematic cross-section of getting along the line among Fig. 1 b " B-B ";
Fig. 4 is the schematic diagram of the linkage between the utility model track switch adjacent beams section;
Fig. 5 is the partial schematic diagram that clears the way and branch off according to five of another embodiment of the utility model; And
Fig. 6 is the schematic diagram of the linear calculating of track switch.
The specific embodiment
Describe preferred embodiment of the present utility model below with reference to accompanying drawing, subsection type railroad switch wherein is a kind of five track switches of opening, and it has compared significant difference with the three-throw turnout at the most of prior art.
Shown in Fig. 1 a and 1b, open subsection type railroad switch according to five of the utility model preferred embodiment and comprise an active beam and four passive beams, that is, and active beam 1, first passive beam 2, second passive beam 3, the 3rd passive beam 4 and the 4th passive beam 5.Active beam 1 has tail boom 32, the first passive beams 2 and has tail boom 33, the second passive beams 3 and have tail boom 34, the three passive beams 4 and have tail boom 35.Active beam 1 and first, second and the 3rd passive beam 2,3,4 tail boom by separately respectively are connected in corresponding fixedly center of rotation 27,28,29 and 30.The 4th passive beam 5 is directly connected in fixedly center of rotation 31.Each fixedly center of rotation 27～31 be fixed in ground.
Head end at active beam 1 is provided with running truck 13, and its tail end is provided with running truck 14.The head end of first passive beam 2 is overlapped on the running truck 14, and its tail end is overlapped on the running truck 15.The head end of second passive beam 3 is overlapped on the running truck 15, and its tail end is overlapped on the running truck 16.The head end of the 3rd passive beam 4 is overlapped on the running truck 16, and its tail end is overlapped on the running truck 17.The head end of the 4th passive beam 5 is overlapped on the running truck 17.When track switch is carried out turn-out track, the walking on arc track 22,23,24,25 and 26 respectively of each running truck.
The beam length of supposing passive beam 2～5 is L1, and the length of active beam 1 is L2.Length L 1 is relevant with the length of suspension magnet at the bottom of the car, and length L 2 is relevant with car length, and they should satisfy L2＞L car+L1/2, so as in the compartment when the track switch, make the lateral misalignment amount of the far-end of active beam 1 and track as far as possible little.
Clear the way under the situation of trouble five,, be designed so that at least one tail boom in each beam section tail boom has overlapping the intersection with chassis for solving the too big problem of track switch length.Shown in Fig. 1 b, the tail boom 32 of active beam 1 is positioned at the bottom with the chassis 15 of first passive beam, 2 correspondences, and its hunting range overlaps with the movement locus of chassis 15.For this reason, as shown in Figure 2, be provided with the rail beam 47 of the tail boom 32 of crossing over active beam 1, rail beam 47 is provided with track 24.So the chassis 15 of first passive beam 2 can be walked on the track 24 of rail beam 47, and swings in the space of tail boom 32 below rail beam of active beam 1.
As shown in Figure 3, the chassis 16 of second passive beam 3 is crossed over the tail boom 33 of first passive beam 2 and the fixedly center of rotation 27 of active beam 1.The two ends wheels of chassis 16 are respectively in fixing arc track 25 up train of center of rotation 27 both sides.Arc track 25 is in fixedly center of rotation 27 places disconnection, and arc track 25 is arranged on the both sides of center of rotation 27 in other words.Track 25 is the frame height suitably, to reduce the chassis height, increases the stability of passive beam 3.
The track of the 3rd passive beam 4 is 26.Chassis 17 is crossed over the fixedly center of rotation 29 of second passive beam 3, and its traveling stroke is less, thereby only needs to establish two sections straight line rectangular cross section broad gauges in the fixing both sides of center of rotation 29 and can satisfy the traveling requirement.This track equally can the frame height, to reduce the chassis height, increases the stability of passive beam 4.
As shown in Figure 4, between every adjacent two beams of active beam 1 and passive beam 2～4, be provided with linkage.In this embodiment, described linkage is a kind of axle carriage.Specifically, the chassis of a beam section rear end in active beam 1 and the passive beam 2,3,4 is provided with axle 44, and each axle 44 outside is arranged with axle sleeve 45 respectively, can do relative rotation between each axle and the axle sleeve.In addition, the front end of a back beam section of aforementioned beam section is provided with chute 46.Axle 44 cooperates slip in chute 46.
When active beam 1 when fixing center of rotation 27 is rotated, its tail end axle is slided in the chute 46 of first passive beam 2, thereby along laterally driving first passive beam 2, makes it around fixedly center of rotation 28 rotations.For same reason, second passive beam 3, the 3rd passive beam 4 and the 4th passive beam 5 drive beam 3,4,5 beams around fixedly center of rotation 39,30 and 31 rotations with the tail end axle equally.
As Fig. 1 b and Fig. 2, shown in Figure 3, chassis 14 is provided with bilateral roller 39 and 39 ', as the supporting-point of first passive beam 2 on the chassis 14 of active beam 1.Similarly, bilateral roller 40 and 40 ' is set, as the supporting-point of second passive beam 3 on the chassis 15 of first passive beam 2; Bilateral roller 41 and 41 ' is set, as the supporting-point of the 3rd passive beam 4 on the chassis 16 of second passive beam 3; Bilateral roller 42 and 42 ' is set, as the supporting-point of the 4th passive beam 5 on the chassis 17 of the 3rd passive beam 4.These rollers can be with the Load Transfer of each passive beam 2～4 to each arc track 23～26.In addition, the bilateral roller 43 and 43 ' of the 4th passive beam 5 tail ends is bearing on the buttress beam 6.
Get back to Fig. 1 a, the drive unit of realizing changing points acts on active beam 1, and it mainly comprises the crank pivoted arm 18,19,20 that is fixed in ground and corresponding driving motor, the chute 21 and 21 ' that is arranged on the slide block of each pivoted arm end and is arranged on active beam 1 both sides.Drive motors drives the pivoted arm rotation, and pivoted arm drives slide block and slides in chute, thereby along laterally driving active beam 1.Wherein, pivoted arm 18 is urged to line position 9 with track switch from line position 8, and pivoted arm 19 is urged to line position 10,11 with track switch from line position 9, and 20 of pivoted arms are urged to line position 12 with track switch from line position 11.
Fig. 4 shows the type of drive according to another embodiment of the utility model.It is an example with five troubles of clearing the way still, and this drive unit mainly comprises: the slide block that is fixed in ground slide way mechanism 35,36,37,38 and 39, is arranged on drive motors on the active beam 1 and crank pivoted arm 39 thereof and is arranged on the pivoted arm end.The continuous rotation of pivoted arm 39 can realize the switching between the online position 8～12 of track switch.
In addition, can go up at passive beam (for example second passive beam 3) stand-by motor and corresponding pivoted arm and chute are installed, to guarantee the smooth realization of changing points.
Track switch connects five fixed lines 8～12.When track switch during in 8 or 12 line positions, active beam 1 is 5 β with the angle of line position 10 place center lines.When track switch during in 9 or 11 line positions, active beam 1 is 2.5 β with line position 10 place center line angles.Therefore, track switch is when 8 or 12 line positions, and active beam 1, first passive beam 2, second passive beam 3, the 3rd passive beam 4 and the 4th passive beam 5 are respectively 5 β, 4 β, 3 β, 2 β and β with the angle of the center line of line position 10; When track switch during in 9 or 11 line positions, active beam 1, first passive beam 2, second passive beam 3, the 3rd passive beam 4 and the 4th passive beam 5 are respectively 2.5 β, 2 β, 1.5 β, β and 0.5 β with the angle of the center line of line position 10.
When active beam 1 turns to 8 or 12 positions, constitute broken line by buttress beam 6 ', active beam 1 and passive beam 2～4, its circumradius R is relevant with beam length and corner.R=L/2sin β works as L1=4.5m, during β=2.3 °, and R=112.2m, its inscribed circle R '=112.18m.When track switch turned to 8 or 12 positions and 9 or 11, the distance of the distance between each axle during than 10 of straight line positions had certain reduction volume.Can analyze this value by method of geometry, to determine the necessary stroke range of axle-slide way mechanism.
Fixedly center of rotation 27,28,29,30 and 31 distance between any two is approximately L1/2, can be according to corner and its numerical value of beam length accurate Calculation of each beam section.When active beam 1 turned to 8 or 12 positions, the distance between the beam tail spindle of active beam 1, first passive beam 2, second passive beam 3, the 3rd passive beam 4 was dwindled 3～40mm respectively, and such displacement changing of the relative positions is born by axle-slide way mechanism.
When track switch only need be shifted four circuits, can reduce by a joint short beam (for example passive beam 5), and regulate corner β and long beam length, so just become half-open point.When need increasing separated time and counting, can strengthen the beam length of β angle and active beam 1, perhaps increase by a joint short beam again, so just become six troubles of clearing the way.
The angle of the central axis when the changing points angle is defined as active beam 19 o'clock axis in online position and line position 10.The changing points angle of five joint track switches is 2.5 β.Changing points is defined as the vertical distance of the online position of the distal center line of active beam 19 o'clock and line position 10 place-centric axis apart from d.
Wherein, d=(l5+l5 ') * sin (β
5)
β
5=3 β
1(three-throw turnout, side position); β
5=2.5 β
1(five clear the way trouble, b, d position)
Turn-out track is apart from satisfying d＞B/2+b/2+f=[d]; F=f1+f2.
Wherein, B is vehicle width (low-speed maglev train is got 2.8m); B is adjacent orbit width (2.22m); F1 is the vehicle laterally offset, the rail level place motion threshold value when getting curve R=100m; F1=1/2 * (3200-2800)=200mm; F2 is the sports safety allowance, desirable f2=150mm.Therefore, get [d]=1400+1061+200+150 ≈ 2811mm.
In order to reduce the intersegmental maximum amount of opening of each beam, can between each beam section, adopt slit articular lamella 7 because of slit between relative rotation β generation beam.
In addition, drive in passive beam 2～4 rotating process at active beam 1, in order to prevent to cause driving error because of the manufacturing gap of each artis, can increase an auxiliary drive on the chassis (for example chassis 15 of first passive beam 2) of passive beam, this auxiliary drive can adopt the rack-and-pinion transmission, is driven by adjustable speed motor.The motion of chassis 17 is controlled by active beam 1 angular signal, and β is promptly satisfied in proportionally transmission
3=3/5 β
5Relation, thereby as long as control L3 corner and movement velocity (rotational angular velocity of active beam 1 is a variate).
Below with reference to Fig. 6 an example about the line style CALCULATION OF PARAMETERS is described.
In β=2.4 °, under the condition of short beam length l=4500mm, can determine the length of center of rotation, tail boom length and the active beam of each beam.
At first suppose O
1L
2=L
2L
3=L
3L
4=L
4L
5=4500
O
5L
5’＝O
5L
5＝18000-O
1O
5＝18000-9011.073＝8988.927
When requiring L
5The turn-out track of (active beam) is during apart from d=2900 (b, the vertical distance of d position and c position), L
5Beam length with formula (L
5+ O
5L
5) * sin (5 β)=d tries to achieve, that is: L
5=d/sin (5 β)-O
5L
5Listed five after calculating through every how much in=18754.712 following tables and cleared the way that (β=2.4 °, data d=2900mm) gather trouble.
| Beam number | Beam length (mm) | Five open corner (°) | Distance of shaft centers (mm) | The axle center initial point is apart from (mm) | Tail boom length (mm) | Five open 8/12 beam segment length (mm) | The changing of the relative positions of axle-slide way mechanism (mm) |
| | 4500 | 2.4 | 0 | 0 | 0 | 4496.053 | 3.947 |
| Beam 2 | 4500 | 4.8 | 2248.025 | 2248.025 | 2251.975 | 4488.168 | 11.832 |
| Beam 3 | 4500 | 7.2 | 2251.975 | 4500.000 | 4500.000 | 4476.309 | 23.691 |
| Beam 4 | 4500 | 9.6 | 2253.952 | 6753.952 | 6746.048 | 4460.048 | 39.493 |
| Beam 5 | 18754.174 | 12.0 | 2257.121 | 9011.075 | 8988.927 | 18754.174 |
Though abovely preferred embodiment of the present utility model is described, is familiar with those of ordinary skill in the art and should on the basis of foregoing, makes various conversion that are equal to and change in conjunction with preferred embodiment.
Specifically, the above-mentioned trouble structure of clearing the way comprises four passive beams more, but also can comprise three, five or more passive beams.Above-mentioned drive unit is motor-driven pivoted arm-slide way mechanism, but also can adopt other suitable mechanism, as hydraulic drive mechanism.Above-mentioned linkage has adopted the form of axle-chute, but also can adopt other suitable form, as slide block-guide-bar mechanism.
Therefore, protection domain of the present utility model should not be limited to the form of described embodiment, but should be limited by appended claims.
Claims (10)
1. sectional type trouble of clearing the way more, it is characterized in that, comprise an active beam (1) and at least three passive beams (2,3,4,5), interconnect by linkage between each beam section, described active beam is driven by drive unit, make described active beam and described passive beam around separately center of rotation (27,28,29,30,31) also by chassis (13,14,15,16,17) along the track (22 of correspondence, 23,24,25,26) rotate and the generation turn-out track, described active beam and described passive beam have tail boom (32 respectively, 33,34,35), and be connected in separately center of rotation by these tail booms, wherein, at least one tail boom in described each tail boom has overlapping the intersection with corresponding chassis.
2. the sectional type as claimed in claim 1 trouble of clearing the way more, it is characterized in that, one of described track (24) is arranged on the rail beam (47), and described rail beam is crossed over the tail boom (32) of described active beam, and this tail boom (32) is swung in the space below described rail beam.
3. the sectional type as claimed in claim 1 trouble of clearing the way more, it is characterized in that, one of described track (25) is arranged on the both sides of one of center of rotation (27), and one of described chassis (16) is crossed over the tail boom (33) and the described center of rotation (27) of one of described passive beam (2).
4. the sectional type as claimed in claim 1 trouble of clearing the way is characterized in that described track is by the frame height, to reduce the chassis height more.
5. the sectional type as claimed in claim 1 trouble of clearing the way more, it is characterized in that, described linkage is arranged on two axle carriages between the beam section, it comprise be arranged on one on the chassis of beam section rear end axle (44) and be set in the axle sleeve (45) in the described axle outside, and being arranged on chute (46) on the back beam section front end, described axle cooperates slip in described chute.
6. the sectional type as claimed in claim 1 trouble of clearing the way is characterized in that described chassis is provided with bilateral roller (39,39 ' more; 40,40 '; 41,41 '; 42,42 '; 43,43 '), as the supporting-point of each beam section on chassis or buttress beam.
7. the sectional type as claimed in claim 1 trouble of clearing the way more, it is characterized in that, described drive unit comprises: the chute (21,21 ') that be fixed in the crank pivoted arm (18,19,20) on ground and corresponding driving motor, is arranged on the slide block of each pivoted arm end and is arranged on active beam 1 both sides, described slide block slides in described chute.
8. the sectional type as claimed in claim 1 trouble of clearing the way more, it is characterized in that, described drive unit comprises: be fixed in the slide way mechanism (35,36,37,38,39) on ground, the slide block that is arranged on drive motors on the described active beam and crank pivoted arm (39) thereof and is arranged on the pivoted arm end, described slide block slides in described chute.
9. the sectional type as claimed in claim 1 trouble of clearing the way is characterized in that more, is provided with slit articular lamella (7) between each beam section.
10. as the described sectional type of above each claim trouble of clearing the way, it is characterized in that this sectional type clears the way more, and to branch off be five troubles of clearing the way, and comprises an active beam (1) and four passive beams (2,3,4,5) more.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620041549 CN200978375Y (en) | 2006-04-30 | 2006-04-30 | Segment type multiple railroad switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620041549 CN200978375Y (en) | 2006-04-30 | 2006-04-30 | Segment type multiple railroad switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN200978375Y true CN200978375Y (en) | 2007-11-21 |
Family
ID=38978753
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620041549 Expired - Lifetime CN200978375Y (en) | 2006-04-30 | 2006-04-30 | Segment type multiple railroad switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN200978375Y (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102383344A (en) * | 2011-08-20 | 2012-03-21 | 中铁宝桥集团有限公司 | Middle-low-speed magnetic suspension turnout trolley device |
| CN103696331A (en) * | 2013-12-05 | 2014-04-02 | 中铁宝桥集团有限公司 | Monorail traffic straight and curved mobile turnout |
| CN106467121A (en) * | 2015-08-19 | 2017-03-01 | 重庆齿轮箱有限责任公司 | Cross-saddle single-track traffic joint type five clears the way trouble |
| CN106988167A (en) * | 2016-12-29 | 2017-07-28 | 比亚迪股份有限公司 | Sit-astride rail switch |
| CN107326753A (en) * | 2017-07-25 | 2017-11-07 | 中国铁建重工集团有限公司 | Magnetic floats transition connecting apparatus and switch of magnetic suspension system between turnout junction girder |
| CN107663818A (en) * | 2017-11-10 | 2018-02-06 | 中铁宝桥集团有限公司 | Middling speed magnetic floating traffic links track switch and approximating method |
| CN109204344A (en) * | 2017-06-30 | 2019-01-15 | 比亚迪股份有限公司 | Trolley component and rail assembly for driving turnout junction girder to move |
| US10487457B2 (en) | 2014-09-05 | 2019-11-26 | Skytran, Inc. | Vertical switching in a magnetic levitation guideway transportation system |
| CN111472210A (en) * | 2020-04-09 | 2020-07-31 | 中国铁建重工集团股份有限公司 | Track turnout |
| CN113371031A (en) * | 2020-03-09 | 2021-09-10 | 中国航天科工飞航技术研究院（中国航天海鹰机电技术研究院） | Screw rod type turnout transfer device and electric suspension rail turnout with same |
-
2006
- 2006-04-30 CN CN 200620041549 patent/CN200978375Y/en not_active Expired - Lifetime
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102383344A (en) * | 2011-08-20 | 2012-03-21 | 中铁宝桥集团有限公司 | Middle-low-speed magnetic suspension turnout trolley device |
| CN103696331A (en) * | 2013-12-05 | 2014-04-02 | 中铁宝桥集团有限公司 | Monorail traffic straight and curved mobile turnout |
| US10487457B2 (en) | 2014-09-05 | 2019-11-26 | Skytran, Inc. | Vertical switching in a magnetic levitation guideway transportation system |
| CN106467121A (en) * | 2015-08-19 | 2017-03-01 | 重庆齿轮箱有限责任公司 | Cross-saddle single-track traffic joint type five clears the way trouble |
| CN106988167A (en) * | 2016-12-29 | 2017-07-28 | 比亚迪股份有限公司 | Sit-astride rail switch |
| CN109204344A (en) * | 2017-06-30 | 2019-01-15 | 比亚迪股份有限公司 | Trolley component and rail assembly for driving turnout junction girder to move |
| CN107326753A (en) * | 2017-07-25 | 2017-11-07 | 中国铁建重工集团有限公司 | Magnetic floats transition connecting apparatus and switch of magnetic suspension system between turnout junction girder |
| CN107663818A (en) * | 2017-11-10 | 2018-02-06 | 中铁宝桥集团有限公司 | Middling speed magnetic floating traffic links track switch and approximating method |
| CN113371031A (en) * | 2020-03-09 | 2021-09-10 | 中国航天科工飞航技术研究院（中国航天海鹰机电技术研究院） | Screw rod type turnout transfer device and electric suspension rail turnout with same |
| CN111472210A (en) * | 2020-04-09 | 2020-07-31 | 中国铁建重工集团股份有限公司 | Track turnout |
| CN111472210B (en) * | 2020-04-09 | 2021-12-10 | 中国铁建重工集团股份有限公司 | Track turnout |
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