CN102619149B - Positioning device of plate type ballastless track I-shaped plate fastener and rapid positioning method - Google Patents
Positioning device of plate type ballastless track I-shaped plate fastener and rapid positioning method Download PDFInfo
- Publication number
- CN102619149B CN102619149B CN201110031178.9A CN201110031178A CN102619149B CN 102619149 B CN102619149 B CN 102619149B CN 201110031178 A CN201110031178 A CN 201110031178A CN 102619149 B CN102619149 B CN 102619149B
- Authority
- CN
- China
- Prior art keywords
- positioning
- fastener
- bracing frame
- positioning framework
- track
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Machines For Laying And Maintaining Railways (AREA)
- Train Traffic Observation, Control, And Security (AREA)
Abstract
The invention provides a positioning device of a plate type ballastless track I-shaped plate fastener and a rapid positioning method, and relates to the technology for paving ballastless track plates. The positioning device comprises two separated positioning baffles (16), a positioning framework (7), two supporting frames (9) and four sets of mobile devices. A rapid positioning frame for forming a WJ-7 type fastener system is used for determining the position of the positioning framework through a reference positioning baffle, the positioning framework can rapidly and directly determine positions of the rest iron base plates according to the position of the positioning framework, the positioning device of the plate type ballastless track I-shaped plate fastener and the rapid positioning method meet requirements of horizontal installation accuracy less than 0.3mm and high smoothness of long track pavement, improve working efficiency of track pavement, greatly shorten project duration of the track pavement, and reduce work load for positioning and debugging the fastener system.
Description
Technical field
The present invention relates to the laying of high speed railway track, is a kind of positioner and method for rapidly positioning of plate type ballastless track I-shaped plate fastener specifically.
Background technology
The CRTS(plate-type ballastless track of high-speed railway) the WJ-7 type fastener system that I type fragment-free track slab pavement is used, need to meet the required precision that horizontal installation accuracy is less than 0.3mm.The accurate installation of the track laying of high-speed railway based on fastener system, because the benchmark of fastener system is determined, on track plates, the location and installation of all fastener systems, whole uniting and adjustment etc. are a set of very numerous and diverse adjustment programmes, and wherein the iron chair location and installation on track plates is the basis that fastener system is accurately installed.And on each piece CRTS I type track plates, the pinpoint accuracy installation of 16 cover fastener systems is to use manually to measure one by one to install at present, length consuming time, the required proportion of quality inspection is corresponding increasing the weight of also.Not only the installation contraposition of itself requires a great deal of time, and have influence on the uniting and adjustment in later stage and whole installation progress, more be related to railway security and national economy, so the quick and precisely location and installation of each piece track plates is significant for the laying of telling railway.
CRTS I type fragment-free track slab WJ-7 type fastener system is comprised of T-shaped bolt, nut, plain washer, spring, collets, iron chair, railway rail pad, insulated buffer plate, heavy-duty spring packing ring, Flat gasket, anchor bolt and service sleeve, for the needs of steel rail heightening, also comprise height adjusting cushion plate and heightening base plate under iron base plate under rail.Wherein the installation site of iron chair and accuracy have determined installation site and the accuracy of rail.Conventional fastener is installed and is relied on workman's experience to be installed, and the fastener alignment error is larger, and after long rail laying, track is difficult to meet the demands, and the fastener adjustment amount is larger, and follow-up adjustment workload after the increase long rail laying, affect the combined test duration.
Summary of the invention
The purpose of this invention is to provide a kind of in high speed railway track is laid, the positioner of the fastener system for plate type ballastless track I-shaped plate on the same track plates, and the fastener method for rapidly positioning that uses this device to realize, realize CRTS I type fragment-free track slab WJ-7 type fastener system fast, accurately locate and install.
The positioner of described plate type ballastless track I-shaped plate fastener, it is characterized in that: this positioner comprises two positioning baffles of separation, positioning framework, two bracing frames and quadruplet mobile device, at the position and lock state, described positioning framework is placed on two bracing frames, and support frame as described above is connected with two of positioning framework respectively, and to be supported on vertical direction overlapping, between a pair of cross spacing platform of positioning framework on bracing frame, bracing frame and positioning framework by this cross spacing platform above bracing frame and the junction plate of transverse side the two is fixed; Positioning baffle is installed as positioning datum on the anchor bolt hole on track plates second and the 7th right side or left side, the closely connected location gear platform on positioning baffle of the locating rack guide rail in the right side of positioning framework or left side with positioning framework side lock nut lateral locking positioning framework; Described mobile device respectively has a set of at the two ends of each bracing frame, mobile device with the lifting guide pillar and the lifting guide pillar cover for seat at bracing frame two ends connect, lifting banking stop one end of mobile device and the lifting pedestal of mobile device are fixed, and the lifting banking stop is flexibly connected by screw and the bracing frame through in its middle part stopper slot; The lifting screw bottom of mobile device is connected with the through hole whorl of bracing frame two ends lifting screw seat.
Cross spacing platform on support frame as described above is provided with the positioning framework side lock nut of level through this cross spacing platform, by the locating rack guide rail locking of positioning framework side lock nut and positioning framework side; Support frame as described above supports lateral locking by dismountable junction plate with the corresponding connection of positioning framework at its transverse side.
The support frame as described above two ends are provided with the lifting locking screw of horizontal direction, and bracing frame is by locking relative position through the bracing frame side lock nut in the lifting locking screw and track plates.
A kind of fastener method for rapidly positioning based on above-mentioned positioner is characterized in that: according to following steps, carry out:
The first step, assembled locating rack moving positioning frame are to the track plates that needs fastener for installing;
Second step, install positioning baffle as positioning datum on the anchor bolt hole on this track plates second and the 7th right side or left side;
The 3rd step, lock and determine vertically moving of bracing frame restriction locating rack at track plates, and the transverse shifting positioning framework is also used positioning framework side lock nut lateral locking positioning framework by the closely connected location gear platform on positioning baffle of the right positioner frame guide rail of positioning framework;
The 4th step, location and installation fastener iron chair on each anchor bolt hole of this track plates.
In described first step locating rack assembled, positioning framework is placed on two bracing frames, two of positioning framework are connected to support be flexibly connected by junction plate at transverse side with two bracing frames respectively.
The movement of described first step locating rack, at first unscrew all bracing frame side lock nut, rotate afterwards four lifting screws, bracing frame is lifted, and relying on universal travel wheel locating rack to be moved on the track plates that needs fastener for installing, position is vertically covering the scope in all anchor bolts of this track plates hole.
The installation of positioning baffle in described second step is that two positioning baffles that location gear platform is housed are individually fixed in the corresponding anchor bolt hole on track plates by alignment pin.
In described the 3rd step on track plates to the locking of bracing frame, be by bracing frame side lock nut, through the lifting locking screw at each bracing frame two ends, and be anchored on the side of track plates.
The location and installation of iron chair in described the 4th step, its method is: transverse shifting after the iron chair that vertically aligns with the anchor bolt hole, the rail support groove outside shoulder block that makes iron chair with embed the locating rack guide rail outside in rail support groove closely connected after, tighten anchor bolt with regulation moment torque spanner, and with 0.2 millimeter clearance gauge inspection.
The present invention makes WJ-7 type fastener system meet the requirement that horizontal installation accuracy is less than 0.3mm on CRTS I type track plates, after making the installation of WJ-7 type fastener, meet the high ride of long rail laying, improve the operating efficiency of track laying, greatly shorten the track laying duration of a project, reduced the workload of fastener system location and debugging.
The accompanying drawing explanation
Fig. 1 is structural representation of the present invention,
Fig. 2 is the top view of Fig. 1,
Fig. 3 is the part sectional view of positioning baffle,
Fig. 4 is the partial enlarged view of mobile device and locking mechanism,
Fig. 5 is mobile device and bracing frame locking mechanism partial enlarged drawing in Fig. 2.
In figure: 1-lifting screw, 2-lifting banking stop, 3-positioning framework side lock nut, 4-cross spacing platform, 5-locating rack guide rail, 6-junction plate, 7-positioning framework, 8-track plates, 9-bracing frame, 10-bed plate, 11-lifting screw seat, 12-bracing frame side lock nut, 13-lifting pedestal, 14-universal travel wheel, 15-location gear platform, 16-positioning baffle, 17-unidirectional guide wheel, 18-lifting guide pillar seat, 19-lifting guide pillar, 20-anchor bolt hole, 21-iron chair, 22-shelves shoulder, 23-rail support groove, 24-connect and support, 25-lifting locking screw, 26-alignment pin.
The specific embodiment
Below illustrate the using method of apparatus structure He this device involved in the present invention.In the series of patents of the CRTS I type rail fastening on track slab locating rack that the concrete structure of positioning baffle 16, positioning framework 7, bracing frame 9 and mobile device that the present invention is mentioned is applied in our company respectively, be described later in detail.
As Fig. 1, the positioner of plate type ballastless track I-shaped plate fastener shown in 2, this positioner comprises two positioning baffles 16 of separation, a positioning framework 7, two bracing frames 9 and quadruplet mobile device, at the position and lock state, as shown in Figure 4, described positioning framework 7 is placed on two bracing frames 9, and support frame as described above 9 with two of positioning framework 7, be connected respectively support 24 overlapping in the vertical direction, between a pair of cross spacing platform 4 of positioning framework 7 on bracing frame 9, the cross spacing platform 4 that bracing frame 9 and positioning framework 7 are top by this bracing frame 9 and the junction plate 6 of transverse side are fixed the two.
Support frame as described above 9 usually with in the middle of positioning framework 7 symmetrical two to be connected support 24 overlapping in the vertical direction, and by this, the cross spacing platforms 4 above bracing frame 9 carry out located lateral with positioning framework 7 for bracing frame 9, at the junction plate 6 that passes through of transverse side, the two is limited longitudinally.
Described mobile device respectively has a set of at the two ends of each bracing frame 9, as shown in Figure 5, mobile device with lifting guide pillar seat 18 sockets at lifting guide pillar 19 and bracing frame 9 two ends, lifting banking stop 2 one ends of mobile device and the lifting pedestal of mobile device 13 are fixing, and lifting banking stop 2 is flexibly connected by the screw through in its middle part stopper slot and bracing frame 9; Lifting screw 1 bottom of mobile device is connected with the through hole whorl of bracing frame 9 two ends lifting screw seats 11.
As Fig. 4,5, mobile device is with the universal travel wheel 14 contacted with bed plate 10, and the unidirectional guide wheel 17 filled along track plates 8 side direction.When bracing frame 9 promotes, because lifting banking stop 2 is fixed on lifting pedestal 13, can not be moved, through screw and bracing frame in the stopper slot of lifting banking stop middle part, fix, this stop screw is limited in moving in stopper slot, and concrete structure refers to the patent document " for the mobile device of plate type ballastless track I-shaped plate fastener positioning rack " of our company.The lifting banking stop makes the range of lift of bracing frame be limited.The effect promoted is that, when the fastener for installing system, locating rack guide rail 5 is embedded in the rail support groove 23 of iron chair 21, can't directly move, and need to first promote locating rack, crosses iron chair and can move, and embed in the iron chair rail support groove of next piece track plates.
Described positioning framework side lock nut 3 is by positioning framework and bracing frame at lateral locking, and the transverse side at bracing frame 9, be flexibly connected the two by junction plate, limits it and relatively move longitudinally.
As shown in Figure 5, support frame as described above 9 two ends are provided with the lifting locking screw 25 of horizontal direction, and bracing frame 9 is by the bracing frame side lock nut 12 through in lifting locking screw 25 and track plates 8 locking relative positions.
The described fastener method for rapidly positioning based on above-mentioned positioner, carry out according to following steps:
The first step, assembled locating rack moving positioning frame are to the track plates 8 that needs fastener for installing.
In described locating rack assembled, positioning framework 7 is placed on two bracing frames 9, two of positioning framework 7 are connected and support 24 and be flexibly connected by junction plate 6 at transverse side with two bracing frames 9 respectively.
For guarantee location accurately, locating rack is assembled complete after, need to do the dimension survey check and adjust for the gauge of track.
The movement of described locating rack, at first unscrew all bracing frame side lock nut 12, rotate afterwards four lifting screws 1, bracing frame 9 is lifted, and relying on universal travel wheel 14 locating rack to be moved on the track plates that needs fastener for installing, position is vertically covering the scope in all anchor bolts of this track plates 8 hole 20.
The effect promoted is that, when the fastener for installing system, locating rack guide rail 5 is embedded in the rail support groove 23 of iron chair 21, can't directly move, and need to first promote locating rack, crosses iron chair and can move, and embed in the iron chair rail support groove of next piece track plates.
Second step, install positioning baffle 16 as positioning datum on the anchor bolt hole 20 on this track plates second and the 7th right side or left side.
As shown in Figure 3, the installation of described positioning baffle 16, be that two positioning baffles 16 that location gear platform 15 is housed are individually fixed in the corresponding anchor bolt hole 20 on track plates 8 by alignment pin 26.Location gear platform 15 in figure is positioning datums of positioning framework.Positioning baffle and track plates that requirement installs are firm, closely connected, but standard checks with the 0.3mm clearance gauge.
The 3rd step, on track plates 8, locking bracing frame 9 restriction locating racks vertically moves, transverse shifting positioning framework 7, also use positioning framework side lock nut 3 lateral locking positioning frameworks 7 by the closely connected location gear platform 15 on positioning baffle 16 of the locating rack guide rail 5 in the right side of positioning framework 7 or left side.When positioning baffle 16 is located at the right side of track plates, by the closely connected location gear platform 15 on positioning baffle 16 of the right positioner frame guide rail 5 of positioning framework 7, when positioning baffle 16 is located at the left side of track plates, by the closely connected location gear platform 15 on positioning baffle 16 of the left positioner frame guide rail 5 of positioning framework 7, with positioning framework side lock nut 3 lateral locking positioning frameworks 7.Thereby by positioning framework and bracing frame vertically with laterally all locked, now due to bracing frame with the track plates locking, thereby whole locating rack is fixed.
Before lock support frame 9, positioning framework is moved to and need to install on the track plates of iron chair, the decent support is to the track plates face.
As shown in Figure 4,5, described on track plates 8 to the locking of bracing frame 9, be by bracing frame side lock nut 12, through the lifting locking screw 25 at each bracing frame 9 two ends, and be anchored on the side of track plates 8.
Locking to bracing frame 9 on track plates 8 makes bracing frame be fixed, and simultaneously, vertically moving of positioning framework is limited, in order to adjust horizontal positioning framework position.Then the transverse shifting positioning framework, make the closely connected location gear platform on positioning baffle of right positioner guide rail, then with the 0.2mm clearance gauge, checks, and by the positioning framework lock screw on bracing frame, positioning framework is locked on bracing frame.
Positioning framework side lock nut 3 lateral locking positioning frameworks 7, now locating rack is fixed, and the locating rack guide rail according to this time is determined the position of all the other iron chairs.
The 4th step, location and installation fastener iron chair 21 on each anchor bolt hole 20 of this track plates 8.
The location and installation of described iron chair, its method is: the rear transverse shifting of iron chair 21 vertically aligns with the anchor bolt hole, rail support groove 23 outside shoulder blocks 22 that make iron chair 21 with embed locating rack guide rail 5 outsides in rail support groove 23 closely connected after, tighten anchor bolt with regulation moment torque spanner, and with 0.2 millimeter clearance gauge inspection.
On iron chair for the fixing screw in anchor bolt hole be the long screw that can laterally adjust, laterally adjust the position of iron chair and be fastened to the position that can determine iron chair in the anchor bolt hole of track plates.By this positioner, the iron chair on a track plates can accurately be determined and install by the relative positioning baffle plate fast, greatly having reduced the complexity of rail fastening on track slab system location adjustment and follow-up uniting and adjustment correction workload.Duration and the workload of track laying have been shortened.
Claims (9)
1. the positioner of a plate type ballastless track I-shaped plate fastener, it is characterized in that: this positioner comprises two positioning baffles (16) of separation, a positioning framework (7), two bracing frames (9) and quadruplet mobile device, at the position and lock state, described positioning framework (7) is placed on two bracing frames (9), and with two of positioning framework (7), to be connected support (24) overlapping in the vertical direction respectively for support frame as described above (9), positioning framework (7) is positioned between a pair of cross spacing platform (4) above bracing frame (9), bracing frame (9) is fixed the two by the cross spacing platform (4) above this bracing frame (9) and the junction plate (6) of transverse side with positioning framework (7),
The upper positioning baffle (16) of installing in anchor bolt hole (20) on track plates second and the 7th right side or left side is as positioning datum, the closely connected location gear platform (15) on positioning baffle (16) of the locating rack guide rail (5) in the right side of positioning framework (7) or left side with positioning framework side lock nut (3) lateral locking positioning framework;
Described mobile device respectively has a set of at the two ends of each bracing frame (9), mobile device with lifting guide pillar seat (18) socket at lifting guide pillar (19) and bracing frame (9) two ends, lifting banking stop (2) one ends of mobile device and the lifting pedestal (13) of mobile device are fixing, and lifting banking stop (2) is flexibly connected by screw and the bracing frame (9) through in its middle part stopper slot; The lifting screw of mobile device (1) bottom is connected with the through hole whorl of bracing frame (9) two ends lifting screw seat (11).
2. the positioner of plate type ballastless track I-shaped plate fastener according to claim 1, it is characterized in that: the cross spacing platform (4) on support frame as described above (9) is provided with the positioning framework side lock nut (3) of level through this cross spacing platform (4), locating rack guide rail (5) locking by positioning framework side lock nut (3) with positioning framework (7) side; Support frame as described above (9) supports (24) lateral locking by dismountable junction plate (6) with the corresponding connection of positioning framework (7) at its transverse side.
3. the positioner of plate type ballastless track I-shaped plate fastener according to claim 1, it is characterized in that: support frame as described above (9) two ends are provided with the lifting locking screw (25) of horizontal direction, and bracing frame (9) is by locking relative position through the bracing frame side lock nut (12) in lifting locking screw (25) and track plates (8).
4. the fastener method for rapidly positioning based on positioner claimed in claim 1 is characterized in that: according to following steps, carry out:
The first step, assembled locating rack moving positioning frame are to the track plates that needs fastener for installing (8);
Second step, the upper positioning baffle (16) of installing in anchor bolt hole (20) on this track plates second and the 7th right side or left side is as positioning datum;
The 3rd step, vertically moving of track plates (8) upper locking bracing frame (9) restriction locating rack, transverse shifting positioning framework (7), also use positioning framework side lock nut (3) lateral locking positioning framework by the closely connected location gear platform (15) on positioning baffle (16) of the locating rack guide rail (5) in the right side of positioning framework (7) or left side;
The 4th step, at the upper location and installation fastener iron chair (21) in each anchor bolt hole (20) of this track plates (8).
5. the fastener method for rapidly positioning of plate type ballastless track I-shaped plate fastener positioner according to claim 4, it is characterized in that: in described first step locating rack assembled, positioning framework (7) is placed in to two bracing frames (9) upper, connects support (24) by two of positioning framework (7) and be flexibly connected by junction plate (6) at transverse side with two bracing frames (9) respectively.
6. the fastener method for rapidly positioning of plate type ballastless track I-shaped plate fastener positioner according to claim 4, it is characterized in that: the movement of described first step locating rack, at first unscrew all bracing frame side lock nut (12), rotate afterwards four lifting screws (1), bracing frame (9) is lifted, and relying on universal travel wheel (14) locating rack to be moved on the track plates that needs fastener for installing, position is vertically covering the scope in all anchor bolts of this track plates (8) holes (20).
7. the fastener method for rapidly positioning of plate type ballastless track I-shaped plate fastener positioner according to claim 4, it is characterized in that: the installation of positioning baffle in described second step (16) is that two positioning baffles (16) that location gear platform (15) is housed are individually fixed in the corresponding anchor bolt hole (20) on track plates (8) by alignment pin (26).
8. the fastener method for rapidly positioning of plate type ballastless track I-shaped plate fastener positioner according to claim 4, it is characterized in that: in described the 3rd step, at track plates (8), go up the locking to bracing frame (9), by bracing frame side lock nut (12), pass the lifting locking screw (25) at each bracing frame (9) two ends, and be anchored on the side of track plates (8).
9. the fastener method for rapidly positioning of plate type ballastless track I-shaped plate fastener positioner according to claim 4, it is characterized in that: the location and installation of iron chair in described the 4th step, its method is: transverse shifting after the iron chair (21) that vertically aligns with the anchor bolt hole, after making rail support groove (23) outside shoulder block (22) of iron chair (21) and locating rack guide rail (5) outside in embedding rail support groove (23) closely connected, tighten anchor bolt with regulation moment torque spanner, and with 0.2 millimeter clearance gauge inspection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110031178.9A CN102619149B (en) | 2011-01-27 | 2011-01-27 | Positioning device of plate type ballastless track I-shaped plate fastener and rapid positioning method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110031178.9A CN102619149B (en) | 2011-01-27 | 2011-01-27 | Positioning device of plate type ballastless track I-shaped plate fastener and rapid positioning method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102619149A CN102619149A (en) | 2012-08-01 |
| CN102619149B true CN102619149B (en) | 2014-01-08 |
Family
ID=46559333
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110031178.9A Active CN102619149B (en) | 2011-01-27 | 2011-01-27 | Positioning device of plate type ballastless track I-shaped plate fastener and rapid positioning method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102619149B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104141264B (en) * | 2014-07-25 | 2016-01-06 | 中铁十七局集团第五工程有限公司 | Plate-type slag-free orbit lays precision keeping method |
| CN104266920B (en) * | 2014-10-15 | 2016-08-31 | 武汉大学 | Loose material anchoring effect physical model test device and method under a kind of dynamic action |
| CN106041825B (en) * | 2016-07-20 | 2018-01-05 | 广州广日电梯工程有限公司 | A kind of sedan-chair frame adjusts frock |
| CN106736605B (en) * | 2016-12-06 | 2018-10-09 | 中车长春轨道客车股份有限公司 | The device and its localization method that roof process equipment is quickly positioned |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1672121A1 (en) * | 2004-12-02 | 2006-06-21 | Railtech International | Device and method for fastening a rail on a fixed support |
| CN101215813A (en) * | 2007-12-27 | 2008-07-09 | 中铁二局股份有限公司 | Method for laying ballastless track long steel rail |
-
2011
- 2011-01-27 CN CN201110031178.9A patent/CN102619149B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1672121A1 (en) * | 2004-12-02 | 2006-06-21 | Railtech International | Device and method for fastening a rail on a fixed support |
| CN101215813A (en) * | 2007-12-27 | 2008-07-09 | 中铁二局股份有限公司 | Method for laying ballastless track long steel rail |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102619149A (en) | 2012-08-01 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102619149B (en) | Positioning device of plate type ballastless track I-shaped plate fastener and rapid positioning method | |
| CN103757993B (en) | High-speed railway subgrade sedimentation repair system and method | |
| CN103434970A (en) | Ballastless track board lifting support | |
| CN202849880U (en) | A magnetic suspension track section measuring and adjusting system | |
| CN106758590B (en) | Construction temporary beam for replacing railway track under non-stop condition and construction method | |
| AU2016269737A1 (en) | Support for a panel of a section of guided transport track | |
| EP1873308A1 (en) | Concrete slab railroad track system and method of installing same | |
| CN103452018A (en) | Track gauge correction method for double-block type ballastless track construction | |
| CN110607751A (en) | Straddle type monorail track beam linear adjusting system and adjusting method thereof | |
| CN106948228B (en) | Quick replacement method for track plate of plate-type ballastless track | |
| CN110117923B (en) | Mounting node of monorail car track and construction method of mounting node | |
| CN201756667U (en) | Ballastless track slab regulator | |
| WO2022241936A1 (en) | Seamless track railway structure for normal conductive short stator magnetic levitation system | |
| CN206768627U (en) | A kind of pushing tow, erecting device for bridge rotating rear support | |
| CN113668410A (en) | Pier deviation rectifying method using main beam to provide counter force | |
| CN110470193B (en) | Method for monitoring relative displacement between box girder and pier | |
| CN112095825A (en) | Vibration isolation structure of high-speed rail of underpass terminal building and construction method thereof | |
| CN105350407A (en) | Three-dimensional adjusting device for magnetic suspension track | |
| CN116590967A (en) | Method for controlling pushing connection precision of magnetic levitation turnout in overhead section | |
| CN102002899A (en) | Double-block type ballastless track screw regulator and track sleeper positioning method | |
| CN110672431A (en) | Torsion resistance test method and tool for concrete filled steel tube sleeper | |
| CN202705830U (en) | Mutual-pull adjusting framed bent for double-block type ballastless track construction | |
| CN201952689U (en) | Quick positioning device for slab ballastless track I-type slab buckle | |
| CN203866657U (en) | Internal support frame track panel frame used for narrow ballast bed ballastless track laying | |
| CN101852066A (en) | Device and method for arranging track of drilling machine |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |