CN100572667C - Method for debugging bearing of double-block type ballastless track - Google Patents
Method for debugging bearing of double-block type ballastless track Download PDFInfo
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- CN100572667C CN100572667C CNB2006100206245A CN200610020624A CN100572667C CN 100572667 C CN100572667 C CN 100572667C CN B2006100206245 A CNB2006100206245 A CN B2006100206245A CN 200610020624 A CN200610020624 A CN 200610020624A CN 100572667 C CN100572667 C CN 100572667C
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Abstract
A kind of method for debugging bearing of double-block type ballastless track of the present invention, this method is carried out as follows: support screw (1) supports on the ground, rotation support screw (1) drags screw (6), drives pallet body (2) and moves up and down, and realizes the up-down adjustment of the rail or the section of track; (3); The fluctuate handle of ratchet spanner (15) drives the rotation of outer six square sockets (12) to a direction, realizes that two of two screw rods bracing frame regulates bolts and rotate simultaneously, thereby drags adjustable plate (3), makes rail drive section of track move left and right; If need to realize the rotation of other direction, the ratchet spanner (15) that fluctuates again after the handle of ratchet spanner (15) rotated 180 °, turn is regulated bolt (4) and is moved by the lateral adjustments that adjustable plate (3) the drive rail or the section of track are implemented on the pallet body (2).The present invention adjusts the precision height, and debugging is simple, and is easy to operate.
Description
Technical field
The present invention relates to railroad track, especially relate to a kind of method for debugging bearing of double-block type ballastless track.
Background technology
The vibration of Rail Transit System is mainly produced by the following aspects: when train moves with certain speed, the gravity of rail is loaded the impact of generation; When train moves on rails, wheel and rail structural vibrations that wheel-rail interaction produces; When cartwheel roll is crossed rail joint, wheel and rail structural vibrations that wheel-rail interaction produces; The irregularity of track and the damage of wheel also are the vibration sources of system vibration.Thereby the high-precision laying of the track section of track is required is that track normally moves, the assurance that reduces to vibrate.When the section of track of track is installed, need be to the direction of the section of track, just, level and position of center line adjust, also need at last the section of track is carried out accurate adjustment, for this reason, specialized designs a kind of method for debugging bearing of double-block type ballastless track, and the screw rod bracing frame when the section of track is carried out accurate adjustment and laterally adjust spanner with the screw rod that section of track screw rod bracing frame is used.
Summary of the invention
The present invention's first purpose provides a kind of adjustment precision height, debugs simple method for debugging bearing of double-block type ballastless track.
In order to achieve the above object, the present invention adopts following technical scheme: a kind of method for debugging bearing of double-block type ballastless track, and this method is carried out as follows:
(1), assembling: turn the adjusting bolt, adjustable plate is transferred to the pallet body centre position, certain amount of movement is respectively reserved at two ends, and to flange of rail face, the rail piece is pressed in assembling, screws bolt, compresses rail with the carriage holder, adjusts support screw, penetrates bearing pin, screws lock bolt;
(2), the section of track is just adjusted: support screw supports on the ground, and the rotation support screw drags screw, drives pallet body and moves up and down, and realizes the up-down adjustment of the rail or the section of track;
(3), adjust about the section of track: adjust simultaneously about in the section of track, laterally adjusting spanner and realize with screw rod, outer six square sockets that tube connector one end is installed are inserted in the head of adjusting bolt of the screw rod bracing frame of the section of track one end, the pushing extension sleeve, make extension sleeve be inserted in the head of adjusting bolt of the screw rod bracing frame of the section of track other end, the handle of ratchet spanner fluctuates, drive of the rotation of outer six square sockets to a direction, the two adjusting bolts of realizing the two screw rods bracing frame rotate simultaneously, thereby drag adjustable plate, make rail drive section of track move left and right, reach the purpose of fine setting; If need to realize the rotation of other direction, the ratchet spanner that fluctuates again after the handle of ratchet spanner rotated 180 °, turn is regulated bolt and is driven the lateral adjustments that rail or the section of track be implemented on the pallet body by adjustable plate and move.
The inventive method is to support the method for debugging at double-block type ballastless track panel specially, this method is in conjunction with the situation of job site, by section of track adjustment in place and preliminary, section of track accurate adjustment, guaranteed the adjustment of double-block type ballastless track panel high accuracy, adjustment precision height, debugging is simple, and the whole construction method belongs to initiative at home.
Second purpose of the present invention provides a kind of adjustment precision height, section of track screw rod bracing frame easy to use.
In order to achieve the above object, the present invention adopts following technical scheme: a kind of screw rod bracing frame, the stepped structure of pallet body, pallet body be hierarchic structure on have the hole on the lower platform, in the hole of pallet body upper mounting plate, screw is installed, screw is connected by the bearing pin that it passes with pallet body, on the vertical direction of screw support screw is installed; There is adjustable plate pallet body lower platform top, and the left and right sides, adjustable plate upper end is separately installed with pressing track plate by bolt, and the projection of adjustable plate lower end stretches in the hole of pallet body lower platform, and by the adjusting bolt of pallet body lower platform side.
The side of described pallet body upper mounting plate is provided with installing hole, the screw in the bolt pallet body upper mounting plate hole in this installing hole.
Between described screw and pallet body, be installed with two bearing pins.
The cross section of described pressing track plate is " 7 " font, and two of pressing track plate is separately installed with bolt.
This programme is equipped with screw in the hole of pallet body upper mounting plate, on the vertical direction of screw, support screw is installed, screw is connected by the bearing pin that it passes with pallet body, above the pallet body lower platform, adjustable plate is arranged, the left and right sides, adjustable plate upper end is separately installed with pressing track plate by bolt, pressing track plate is used for installing the rail or the section of track, when the section of track is just adjusted, support screw supports on the ground, the rotation support screw drags screw, screw drives pallet body and moves up and down, and the pressing track plate above pallet body drives moves up and down, thereby realizes rail or section of track up-down adjustment; The projection of adjustable plate lower end stretches in the hole of pallet body lower platform, and by the adjusting bolt of pallet body lower platform side, when about to the section of track, adjusting, bolt is regulated in turn, the lateral adjustments that the adjusting bolt is implemented on the pallet body adjustable plate drive rail or the section of track moves, and realizes laterally adjusting.
Advantage of the present invention is: the support screw of crossing the screw rod bracing frame supports the section of track, and the support screw adjustment of passing through bracing frame realizes that section of track level is thick, accurate adjustment, by regulating thick, the accurate adjustment of direction that the bolt adjustment realizes the section of track, make the section of track reach the laying precision of double-blocked rail without ballast.This support frame structure is easy to adjust, the precision height; Amount of deflection is little, and rigidity is big, good stability; In light weight, it is convenient to remove stage makeup and costume, section of track support, adjustment and fixation problem when having solved the double-blocked rail without ballast construction, and it can be used as the special construction apparatus of the long section of track of accurate adjustment double-block type sleeper.
It is light that the 3rd purpose of the present invention provides a kind of operation, adjusts the high screw rod of efficient and laterally adjust spanner.
In order to achieve the above object, the present invention adopts following technical scheme: a kind of screw rod is laterally adjusted spanner, six square sockets and sleeve outside the two ends of tube connector are separately installed with, be inserted with extension sleeve in six square sockets outside and fix by dog screw, this dog screw moves in the chute on the six square socket walls outside, in six square sockets spring is arranged outside, and spring one end is spacing by the extension sleeve that inserts, its other end is spacing by the step in outer six square sockets, is with ratchet spanner on tube connector.
Described ratchet spanner by pawl seat, platen, ratchet, handle, pilot sleeve, sour jujube grab, spring, handle constitute, wherein on the pawl seat external annulus, handle is installed, at the pawl seat center ratchet is installed, in the ratchet periphery platen is installed, footpath at pawl seat upwards is equipped with handle, and it is spacing by the nut on the pawl seat outer wall, in stretching into this end of pawl seat, handle pilot sleeve is installed by internal thread, in handle center sour jujube being installed grabs, this sour jujube grabs and passes pilot sleeve and contact with ratchet, and the sour jujube in pilot sleeve grabs and is with spring.
This programme is six square sockets and sleeve outside the two ends of tube connector are separately installed with, on tube connector, be with ratchet spanner, be connected with extension sleeve by spring in six square sockets outside, when the section of track is carried out accurate adjustment, the jacket casing that tube connector one end is connected is gone into the head of adjusting bolt of the screw rod bracing frame of the section of track one end, the extension sleeve of the pushing tube connector other end, make extension sleeve be inserted in the head of adjusting bolt of the screw rod bracing frame of the section of track other end, the handle of ratchet spanner fluctuates, outer six square sockets at drive tube connector two ends and sleeve are to the rotation of a direction, promptly realize rotating when two of two screw rods bracing frame is regulated bolt, thereby drag adjustable plate, make rail drive section of track move left and right, reach the purpose of fine setting; If need to realize the rotation of other direction, the ratchet spanner that fluctuates again after the handle of ratchet spanner rotated 180 ° gets final product.
Advantage of the present invention is: realize rotating when two of corresponding two screw rods bracing frame is regulated bolt, make the adjusting bolt of a screw rod bracing frame play regulating action, and the adjusting bolt of another screw rod bracing frame unscrews, thereby realize the section of track is carried out accurate adjustment, this screw rod is laterally adjusted the effect that spanner has synchronously, coordinates, and operate light, the efficient height of adjustment.
Description of drawings
Fig. 1 is the front view of screw rod bracing frame among the present invention;
Fig. 2 is the vertical view of Fig. 1;
Fig. 3 is the A-A sectional view of Fig. 2;
Fig. 4 is the structural representation that screw rod is laterally adjusted spanner among the present invention;
Fig. 5 is the structural representation that screw rod is laterally adjusted the spanner in the spanner among the present invention.
The specific embodiment
The structure of a kind of screw rod bracing frame of the present invention such as Fig. 1, Fig. 2, shown in Figure 3: mainly constitute by support screw 1, pallet body 2, adjustable plate 3, adjusting bolt 4, pressing track plate 5, screw 6, bearing pin 7, lock bolt 8, bolt 9, guiding pressing plate 11, pallet body 2 stepped structures wherein, pallet body 2 be hierarchic structure on have the hole on lower platform a, the b, screw 6 is installed in the hole of pallet body upper mounting plate a, screw 6 is connected by its bearing pin that passes 7 with pallet body 2, and support screw 1 is installed on the vertical direction of screw 6; There is adjustable plate 3 pallet body lower platform b top, and the left and right sides, adjustable plate 3 upper end is separately installed with pressing track plate 5 by bolt 9, and the projection c of adjustable plate 3 lower ends stretches in the hole of pallet body lower platform b, and fixing by the adjusting bolt 4 of pallet body lower platform b side.The side of pallet body upper mounting plate a is provided with installing hole, the screw 6 in the lock bolt 8 analog bracket body upper mounting plate a holes in this installing hole.Between screw 6 and pallet body 2, be installed with two bearing pins 7.The cross section of pressing track plate 5 is " 7 " font, and two of pressing track plate 5 is separately installed with bolt 9.Through slotted countersunk flat head screw 12 guiding pressing plate 11 is installed in adjustable plate 3 bottoms, this guiding pressing plate 11 is positioned at the both sides of pallet body lower platform b and carries out spacing.
The present invention installs and uses like this, 1, use before each fitting face junction should clean, totally, dust, sand grains etc. must not be arranged; Adjustable plate has the slide plane should be grease-added; 2, assembling: looser a bolt, extract alignment pin 7 out, support screw 1 and screw 6 are pulled down, twist bolt, pull down the right rail piece 5 of pressing; Turn and regulate bolt 4, adjustable plate 3 is transferred to pallet body 2 centre positions, certain amount of movement is respectively reserved at two ends; Carriage 2 is held in the palm flange of rail face, and rail piece 5 is pressed in assembling, screws bolt 9, compresses rail 10; Adjust support screw 1, penetrate bearing pin 7, screw lock bolt 8; 3, adjust: the section of track is just adjusted: support screw 1 supports on the ground, and rotation support screw 1 drags screw 6, drives pallet body 2 and moves up and down, and can realize the up-down adjustment of the rail or the section of track.Adjust about the section of track: turn is regulated bolt 4 and is moved by the lateral adjustments that the adjustable plate 3 drive rail or the section of track are implemented on the pallet body 2; Adjust simultaneously about in the section of track, laterally adjusting spanner and realize with screw rod; According to adjusting requirement, the rotating ratchet spanner drives the interlock regulating rod and rotates two adjusting bolts 4, drags adjustable plate 3, makes rail drive section of track move left and right, reaches the fine setting purpose; 4, remove: unscrew bolt, unscrew support screw again, extract bearing pin 7 out, by upwards extracting support screw 1 and screw 6 in the square hole out; Pull down two pressure rail pieces 5, extract pallet body 2 out by the outside.
A kind of screw rod of the present invention is laterally adjusted structure such as Fig. 4 of spanner, shown in Figure 5: mainly by extension sleeve 10, outer six square sockets 12, dog screw 13, spring 14, ratchet spanner 15, tube connector 16 constitutes, six square sockets 12 and sleeve 25 outside the two ends of tube connector 16 are separately installed with, be inserted with extension sleeve 10 and fixing outside in six square sockets 12 by dog screw 13, this dog screw 13 moves in the chute on six square sockets, 12 walls outside, in six square sockets 12 spring 14 is arranged outside, spring 14 1 ends are spacing by the extension sleeve 10 that inserts, its other end is spacing by the step in outer six square sockets 12, is with ratchet spanner 15 on tube connector 16.
As Fig. 4, shown in Figure 5: described ratchet spanner 15 is by pawl seat 26, platen 18, ratchet 19, handle 20, pilot sleeve 21, sour jujube grabs 22, spring 23, handle 24 constitutes, wherein on pawl seat 26 external annulus, handle 20 is installed, at pawl seat 26 centers ratchet 19 is installed, in ratchet 19 peripheries platen 18 is installed, footpath at pawl seat 26 upwards is equipped with handle 24, and it is spacing by the nut on the pawl seat outer wall 27, in stretching into this end of pawl seat, handle 24 pilot sleeve 21 is installed by internal thread, at handle 24 centers sour jujube is installed and grabs 22, this sour jujube grabs 22 and passes pilot sleeve 21 and contact with ratchet 19, and the sour jujube in pilot sleeve 21 grabs and is with spring 23 on 22.
(1) assembling: the dog screw 13 of back-outing, extract extension sleeve 10, the tube connector 16 of six square sockets 12 penetrates in the interior hexagonal hole of ratchet spanner 15 being equipped with outward, and makes ratchet spanner 15 probably put centre at tube connector 16.Again extension sleeve 10 is inserted outer six square sockets 12 then, be screwed into dog screw 13, extension sleeve 10 can freely be stretched and six square sockets 12 outside not breaking away from along the length direction of outer six square sockets 12.
(2) adjust: outer six square sockets 12 that tube connector 16 1 ends are installed are inserted in the head of adjusting bolt of the screw rod bracing frame of the section of track one end, and pushing extension sleeve 10 makes extension sleeve 10 be inserted in the head of adjusting bolt of the screw rod bracing frame of the section of track other end.The fluctuate handle of ratchet spanner 15 drives the rotation of outer six square sockets 12 to a direction, promptly realizes rotating when two of two screw rods bracing frame is regulated bolts, thereby drags adjustable plate, makes rail drive section of track move left and right, reaches the purpose of fine setting; If need to realize the rotation of other direction, the ratchet spanner 15 that fluctuates again after the handle of ratchet spanner 15 rotated 180 ° gets final product.
A kind of method for debugging bearing of double-block type ballastless track of the present invention, this method step is:
(1), assembling: turn and regulate bolt 4, adjustable plate 3 is transferred to pallet body 2 centre positions, certain amount of movement is respectively reserved at two ends, and carriage 2 is held in the palm flange of rail face, rail piece 5 is pressed in assembling, screws bolt 9, compresses rail 10, adjust support screw 1, penetrate bearing pin 7, screw lock bolt 8;
(2), the section of track is just adjusted: support screw 1 supports on the ground, and rotation support screw 1 drags screw 6, drives pallet body 2 and moves up and down, and realizes the up-down adjustment of the rail or the section of track;
(3), adjust about the section of track: adjust simultaneously about in the section of track, laterally adjusting spanner and realize with screw rod, outer six square sockets 12 that tube connector 16 1 ends are installed are inserted in the head of adjusting bolt of the screw rod bracing frame of the section of track one end, pushing extension sleeve 10, make extension sleeve 10 be inserted in the head of adjusting bolt of the screw rod bracing frame of the section of track other end, the handle of ratchet spanner 15 fluctuates, drive of the rotation of outer six square sockets 12 to a direction, the two adjusting bolts of realizing the two screw rods bracing frame rotate simultaneously, thereby drag adjustable plate 3, make rail drive section of track move left and right; If need to realize the rotation of other direction, the ratchet spanner 15 that fluctuates again after the handle of ratchet spanner 15 rotated 180 °, turn is regulated bolt 4 and is driven the lateral adjustments that rail or the section of track be implemented on the pallet body 2 by adjustable plate 3 and move.
Claims (8)
1, a kind of method for debugging bearing of double-block type ballastless track is characterized in that: this method is carried out as follows:
(1), assembling: turn and regulate bolt (4), adjustable plate (3) is transferred to pallet body (2) centre position, certain amount of movement is respectively reserved at two ends, carriage (2) is held in the palm flange of rail face, and rail piece (5) is pressed in assembling, screws bolt (9), compress rail (10), adjust support screw (1), penetrate bearing pin (7), screw lock bolt (8);
(2), the section of track is just adjusted: support screw (1) supports on the ground, and rotation support screw (1) drags screw (6), drives pallet body (2) and moves up and down, and realizes the up-down adjustment of the rail or the section of track;
(3), adjust about the section of track: adjust simultaneously about in the section of track, laterally adjusting spanner and realize with screw rod, outer six square sockets (12) that tube connector (16) one ends are installed are inserted in the head of adjusting bolt (4) of the screw rod bracing frame of the section of track one end, pushing extension sleeve (10), make extension sleeve (10) be inserted in the head of adjusting bolt (4) of the screw rod bracing frame of the section of track other end, the handle of ratchet spanner (15) fluctuates, drive of the rotation of outer six square sockets (12) to a direction, the two adjusting bolts of realizing the two screw rods bracing frame rotate simultaneously, thereby drag adjustable plate (3), make rail drive section of track move left and right; If need to realize the rotation of other direction, the ratchet spanner (15) that fluctuates again after the handle of ratchet spanner (15) rotated 180 °, turn is regulated bolt (4) and is moved by the lateral adjustments that adjustable plate (3) the drive rail or the section of track are implemented on the pallet body (2).
2, a kind of screw rod bracing frame of implementing the described method for debugging bearing of double-block type ballastless track of claim 1, it is characterized in that: the screw rod bracing frame is by support screw (1), pallet body (2), adjustable plate (3), regulate bolt (4), pressing track plate (5), screw (6), bearing pin (7), lock bolt (8), bolt (9), guiding pressing plate (11) constitutes, the stepped structure of pallet body (2) wherein, last lower platform (a that is hierarchic structure at pallet body (2), b) have the hole on, screw (6) is installed in the hole of pallet body upper mounting plate (a), screw (6) is connected by its bearing pin that passes (7) with pallet body (2), and support screw (1) is installed on the vertical direction of screw (6); There is adjustable plate (3) pallet body lower platform (b) top, the left and right sides, adjustable plate (3) upper end is separately installed with pressing track plate (5) by bolt (9), the projection (c) of adjustable plate (3) lower end stretches in the hole of pallet body lower platform (b), and fixing by the adjusting bolt (4) of pallet body lower platform (b) side.
3, screw rod bracing frame according to claim 2 is characterized in that: the side of pallet body upper mounting plate (a) is provided with installing hole, the screw (6) in lock bolt (8) analog bracket body upper mounting plate (a) hole in this installing hole.
4, screw rod bracing frame according to claim 2 is characterized in that: through slotted countersunk flat head screw (12) guiding pressing plate (11) is installed in adjustable plate (3) bottom, the both sides that this guiding pressing plate (11) is positioned at pallet body lower platform (b) are carried out spacing.
5, screw rod bracing frame according to claim 2 is characterized in that: be installed with two bearing pins (7) between screw (6) and pallet body (2).
6, screw rod bracing frame according to claim 2 is characterized in that: the cross section of pressing track plate (5) is " 7 " font, and two of pressing track plate (5) is separately installed with bolt (9).
7, a kind of screw rod of implementing the described method for debugging bearing of double-block type ballastless track of claim 1 is laterally adjusted spanner, it is characterized in that: the screw rod that adopts in the accurate adjustment process is laterally adjusted spanner by extension sleeve (10), outer six square sockets (12), dog screw (13), spring (14), ratchet spanner (15), tube connector (16) constitutes, it is characterized in that: six square sockets (12) and sleeve (25) outside the two ends of tube connector (16) are separately installed with, be inserted with extension sleeve (10) and fixing outside in six square sockets (12) by dog screw (13), this dog screw (13) moves in the chute on six square sockets (12) wall outside, in six square sockets (12) spring (14) is arranged outside, spring (14) one ends are spacing by the extension sleeve (10) that inserts, its other end is spacing by the step in outer six square sockets (12), is with ratchet spanner (15) on tube connector (16).
8, screw rod according to claim 7 is laterally adjusted spanner, it is characterized in that: described ratchet spanner (15) is by pawl seat (26), platen (18), ratchet (19), handle (20), pilot sleeve (21), sour jujube grabs (22), spring (23), handle (24) constitutes, wherein on pawl seat (26) external annulus, handle (20) is installed, at pawl seat (26) center ratchet (19) is installed, in ratchet (19) periphery platen (18) is installed, in the footpath of pawl seat (26) handle (24) is installed upwards, and it is spacing by the nut on the pawl seat outer wall (27), in stretching into this end of pawl seat, handle (24) pilot sleeve (21) is installed by internal thread, at handle (24) center sour jujube is installed and grabs (22), this sour jujube grabs (22) and passes pilot sleeve (21) and contact with ratchet (19), and the sour jujube in pilot sleeve (21) grabs and is with spring (23) on (22).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006100206245A CN100572667C (en) | 2006-03-30 | 2006-03-30 | Method for debugging bearing of double-block type ballastless track |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006100206245A CN100572667C (en) | 2006-03-30 | 2006-03-30 | Method for debugging bearing of double-block type ballastless track |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1837471A CN1837471A (en) | 2006-09-27 |
| CN100572667C true CN100572667C (en) | 2009-12-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2006100206245A Expired - Fee Related CN100572667C (en) | 2006-03-30 | 2006-03-30 | Method for debugging bearing of double-block type ballastless track |
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| CN (1) | CN100572667C (en) |
Families Citing this family (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101215814B (en) * | 2007-12-29 | 2010-07-07 | 南车洛阳机车有限公司 | Laying construction method and device for double-block type ballastless track sleeper |
| CN101768906B (en) * | 2009-12-31 | 2012-07-04 | 中铁四局集团有限公司 | Double-line construction method for double-block ballastless track bed plate of railway passenger special line |
| CN101972886A (en) * | 2010-04-02 | 2011-02-16 | 无锡华联科技集团有限公司 | Walking track mounting structure for gantry digital control cutter |
| CN102009261B (en) * | 2010-05-31 | 2013-05-08 | 无锡恒富科技有限公司 | Guide rail pressure plate mechanism of numerical control cutting machine |
| CN102011353B (en) * | 2010-11-16 | 2012-08-29 | 中铁二十四局集团有限公司 | Method for positioning track panel of double-block ballastless track |
| CN102002899B (en) * | 2010-11-16 | 2012-05-23 | 中铁二十四局集团有限公司 | Double-block type ballastless track screw regulator and track sleeper positioning method |
| CN103061216B (en) * | 2013-01-24 | 2014-12-17 | 中铁五局（集团）有限公司 | Monolithic rail bed and turnout lifting support arrangement structure of subway short sleeper |
| CN103147370B (en) * | 2013-03-29 | 2014-11-26 | 中铁一局集团有限公司 | Device and method for replacing track slab of slab ballastless track |
| CN104878666B (en) * | 2015-05-07 | 2017-05-31 | 成都聚智工业设计有限公司 | Rail row supporting structure |
| CN107486803A (en) * | 2016-09-29 | 2017-12-19 | 北京汽车研究总院有限公司 | A kind of nut remover |
| CN107059500A (en) * | 2017-06-29 | 2017-08-18 | 华东交通大学 | Non-fragment orbit is portable to heighten roll adjustment fastener |
| CN110983876A (en) * | 2019-11-21 | 2020-04-10 | 中铁二院工程集团有限责任公司 | Medium-low speed magnetic suspension variable track gauge track structure capable of being quickly adjusted |
| CN113123183A (en) * | 2020-01-15 | 2021-07-16 | 西安悦创测绘技术有限公司 | Research on fine adjustment technical method of ballastless track of high-speed railway |
-
2006
- 2006-03-30 CN CNB2006100206245A patent/CN100572667C/en not_active Expired - Fee Related
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| CN1837471A (en) | 2006-09-27 |
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