CN107338689A - Construction method for rubber wheel rail pivot turnout - Google Patents
Construction method for rubber wheel rail pivot turnout Download PDFInfo
- Publication number
- CN107338689A CN107338689A CN201710592901.8A CN201710592901A CN107338689A CN 107338689 A CN107338689 A CN 107338689A CN 201710592901 A CN201710592901 A CN 201710592901A CN 107338689 A CN107338689 A CN 107338689A
- Authority
- CN
- China
- Prior art keywords
- track switch
- pivot
- built
- nose girder
- pour
- 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.)
- Granted
Links
- 238000010276 construction Methods 0.000 title claims abstract description 16
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 6
- 239000010959 steel Substances 0.000 claims abstract description 6
- 229910001294 Reinforcing steel Inorganic materials 0.000 claims abstract description 3
- 238000009434 installation Methods 0.000 claims description 28
- 230000003014 reinforcing effect Effects 0.000 claims description 26
- 238000002513 implantation Methods 0.000 claims description 10
- 238000005553 drilling Methods 0.000 claims description 9
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 6
- 238000005266 casting Methods 0.000 claims description 6
- 238000013461 design Methods 0.000 claims description 6
- 238000005259 measurement Methods 0.000 claims description 6
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 6
- 230000002787 reinforcement Effects 0.000 claims description 6
- 238000000034 method Methods 0.000 claims description 4
- 235000004443 Ricinus communis Nutrition 0.000 claims description 3
- 239000000853 adhesive Substances 0.000 claims description 3
- 230000001070 adhesive effect Effects 0.000 claims description 3
- 238000004873 anchoring Methods 0.000 claims description 3
- 229910052742 iron Inorganic materials 0.000 claims description 3
- 239000000203 mixture Substances 0.000 claims description 3
- 238000012552 review Methods 0.000 claims description 3
- 238000009416 shuttering Methods 0.000 claims description 3
- 239000002689 soil Substances 0.000 claims description 3
- 239000007787 solid Substances 0.000 claims description 3
- 238000003466 welding Methods 0.000 claims description 3
- 238000005452 bending Methods 0.000 claims description 2
- 230000000712 assembly Effects 0.000 abstract 1
- 238000000429 assembly Methods 0.000 abstract 1
- 238000005516 engineering process Methods 0.000 description 3
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000004891 communication Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
- E01B29/00—Laying, rebuilding, or taking-up tracks; Tools or machines therefor
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
- E01B29/00—Laying, rebuilding, or taking-up tracks; Tools or machines therefor
- E01B29/005—Making of concrete parts of the track in situ
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Machines For Laying And Maintaining Railways (AREA)
Abstract
The invention discloses a construction method of a rubber wheel track pivot turnout, which comprises the steps of firstly lofting a turnout foundation, then binding turnout steel bars, positioning and fixing embedded parts, arranging drain pipes, pouring turnout, installing directional trundles and roller assemblies, positioning and installing pivots of a straight beam and a curved strand guide beam, positioning and installing a tail end beam base, positioning and installing the straight beam, the curved strand guide beam and the tail end beam, and finally installing and connecting a motor and a guide chain. The invention accurately binds and pours the reinforcing steel bars, quickly positions and installs the straight beam, the curved strand guide beam and the tail end beam and connects the motors, and ensures that the constructed pivot turnout has good quality and high stability, thereby ensuring the safe line transfer of the train.
Description
Technical field
The present invention relates to urban rail transit technology field, specifically a kind of construction side of rubber tire rail pivot track switch
Method.
Background technology
Urban track traffic is very popular greatly with convenient, fast, green, handling capacity of passengers, and urban public transport instrument has
Subway, light rail, short distance magnetic suspension, single track railway, automatic guide etc..Various countries are all attached great importance to by urban track traffic.With me
State's urban track traffic it is growing, and the track traffic as city modern civilization is then its essential part.
Existing rubber tire rail project, using full-automatic unmanned driving's control model, train does not have independent drivers' cab, both ends
Glass spacious and well-lighted is arranged to, can be that passenger brings different recreational tourism to experience.Rubber tire Track System is rail transport
A kind of form, it employs the tire technology of road traffic.The wheel of train is no longer traditional steel wheel, be the substitute is
Rubber wheel, its track walked also are different from traditional steel wheel rail.Rubber tire can reduce traveling noise, and radius of turn is more
Small, track laying is flexible.During the system capacity is（It is low）Freight volume, an organic supplement can be done to the key network of communication lines in city.
Rubber tire rail vehicle running part uses electronic rubber tire and directive wheel, the wheel track walking manner with conventional rails traffic
It is entirely different.The transportation system is full new transportation mode, and its pivot track switch is its crucial lane change equipment.Pivot track switch is one
Kind ensure that train is pacified from wall scroll guided way to the device of wherein one progress guided selection of two intersection guided ways, pivot track switch
Turn line entirely, the train for making to run on straight trip circuit and turnout turns mutually line, train is transferred to turnout or from turnout from straight way
It is transferred to straight way.So pivot mounting turnout requires high, installation quality directly affects train and passes through speed and comfort of passenger.
The content of the invention
The technical problem to be solved in the present invention is to provide a kind of construction method of rubber tire rail pivot track switch, and it is constructed
The pivot mounting turnout quality of construction is good, ensure that the safety of train turns line.
The technical scheme is that：
A kind of construction method of rubber tire rail pivot track switch, has specifically included following steps：
（1）, the setting-out of track switch basis：Setting-out goes out track switch center line basis and poured and installation of embedded parts position first, goes out in setting-out
Drilling implantation reinforcing bar and fixation on switch point position, in this, as concreting border, while mark on fixed reinforcing bar and mix
Solidifying soil pours height；
（2）, track switch reinforcing bar colligation：Track switch reinforcing bar colligation is carried out according to the switch point position of surveying and locating；
（3）, built-in fitting positioning is fixed and drainpipe is laid：In each mount point position that built-in fitting setting-out goes out, with heightening locating support
Built-in fitting height is oriented, measurement review built-in fitting elevation of top after the completion of adjustment, at built-in fitting bottom after meeting to set absolute altitude
Drilling implantation reinforcing bar and fixation on portion's concrete, and an entirety is formed on built-in fitting bottom and the reinforcement welding of implantation；Draining
Height is poured according to reserved foundation ditch to lay, it is met that the ponding in reserved foundation ditch smoothly flows into sump when pipe is laid；
（4）, track switch pours：In step（2）The reinforcing bar surrounding shuttering and casting concrete of colligation enter mould；
（5）, direction-caster and roller assembly installation：Direction-caster is installed in the middle part of straight beam and bent stock nose girder, in straight beam and bent stock
The anterior installation roller assembly of nose girder；
（6）, straight beam, the pivot location and installation of bent stock nose girder and tip beam base stand location installation：In step（4）Pour obtained base
Drilling pours into anchoring adhesive to anchor bed bolt on plinth concrete, pivot is installed in straight beam and bent stock nose girder rear portion, first by pivot
Round nut at the top of axle is screwed off, and removes upper axis bearing and upper plate of the pivot containing bearing, and pivot is moved into bent stock nose girder end
The central shaft of end and pivot passes through the circular hole of bent stock nose girder end, installs upper plate, adjusts on supreme pivot location, lower plate and pivot
Screw it is concentric, installation bolt and fixation, then upper axis bearing and the round nut at the top of pivot are connected finally screw spiral shell
Bolt and round nut；According to the bolt hole point position coring and anchor bolt of surveying and locating when tip beam pedestal is installed, by end
Beam pedestal is erected on anchor bolt, and adjustment base height is fixed after meeting design requirement；
（7）, straight beam, the location and installation of bent stock nose girder and tip beam：After the completion of pivotal mounting, by straight beam with determining on bent stock nose girder
It is moved to castor and roller assembly on pre-buried iron plate, tip beam is installed and adjusts end depth of beam and ensures tip beam center line
Overlapped with center of turnout line, then adjust rail gap of the tip beam respectively between straight beam, bent stock nose girder, be finally welded on tip beam solid
In reservation.
（8）, motor connects with the installation of guide chain：Motor is arranged on design attitude, motor respectively by guide chain and straight beam,
Bent stock nose girder connection, control track switch steering program realize that the straight stock of track switch turns bent stock or bent stock turns straight stock.
Described step（4）In track switch pour to be divided into and pour and pour for the second time for the first time；When pouring for the first time, track switch
Except the installation site of reserved foundation ditch and track switch motor does not pour outer other positions one-shot forming in the range of pouring, pour height according to
What measurement was laid pours the completion of height control point；After first time, track switch casting concrete intensity reached construction requirement, enter trade
Trouble pours for the second time, pours carry out reserved foundation ditch and mounting position of motor concreting for the second time.
Described step（2）In track switch reinforcing bar process of binding, corresponding site reinforcing bar length is adjusted according to on-site actual situations
And arrangement of reinforcement quantity, built-in fitting and drainpipe cut-out or bending reinforcing steel bar are run into avoid.
The number of steel bars being implanted into after being drilled on described built-in fitting lower concrete is adjusted according to built-in fitting length.
Advantages of the present invention：
The present invention carries out reinforcing bar colligation and pouring molding exactly, and is rapidly determined straight beam, bent stock nose girder and tip beam
Motor is mounted and connected in position, ensure that the pivot track switch quality of construction is good, stability is high, ensures that the safety of train turns
Line.
Embodiment
The technical scheme in the embodiment of the present invention will be clearly and completely described below, it is clear that described implementation
Example only part of the embodiment of the present invention, rather than whole embodiments.It is common based on the embodiment in the present invention, this area
The every other embodiment that technical staff is obtained under the premise of creative work is not made, belong to the model that the present invention protects
Enclose.
A kind of construction method of rubber tire rail pivot track switch, has specifically included following steps：
（1）, the setting-out of track switch basis：Setting-out goes out track switch center line basis and poured and installation of embedded parts position first, goes out in setting-out
Drilling implantation reinforcing bar and fixation on switch point position, in this, as concreting border, while mark on fixed reinforcing bar and mix
Solidifying soil pours height；
（2）, track switch reinforcing bar colligation：Track switch reinforcing bar colligation is carried out according to the switch point position of surveying and locating；Track switch reinforcing bar process of binding
In, corresponding site reinforcing bar length and arrangement of reinforcement quantity are adjusted according to on-site actual situations, runs into built-in fitting and drainpipe cut-out or curved
Reinforcing bar is rolled over to avoid；
（3）, built-in fitting positioning is fixed and drainpipe is laid：In each mount point position that built-in fitting setting-out goes out, with heightening locating support
Built-in fitting height is oriented, measurement review built-in fitting elevation of top after the completion of adjustment, at built-in fitting bottom after meeting to set absolute altitude
Drilling implantation reinforcing bar and fixation, the number of steel bars of implantation are adjusted according to built-in fitting length on portion's concrete, and by built-in fitting
Bottom and the reinforcement welding of implantation form an entirety；Height is poured according to reserved foundation ditch to lay, make it full when drainpipe is laid
Ponding in the reserved foundation ditch of foot can smoothly flow into sump；
（4）, track switch pours：In step（2）The reinforcing bar surrounding shuttering and casting concrete of colligation enter mould；Track switch, which pours, is divided into
One-time-concreting and pour for the second time；For the first time when pouring, track switch pour in the range of except the installation position of reserved foundation ditch and track switch motor
Put and do not pour outer other positions one-shot forming, pour the height control point that pours that height is laid according to measurement and complete；When for the first time
After track switch casting concrete intensity reaches construction requirement, carry out track switch and pour for the second time, pour for the second time carry out reserved foundation ditch and
Mounting position of motor concreting；
（5）, direction-caster and roller assembly installation：Direction-caster is installed in the middle part of straight beam and bent stock nose girder, in straight beam and bent stock
The anterior installation roller assembly of nose girder；
（6）, straight beam, the pivot location and installation of bent stock nose girder and tip beam base stand location installation：In step（4）Pour obtained base
Drilling pours into anchoring adhesive to anchor bed bolt on plinth concrete, pivot is installed in straight beam and bent stock nose girder rear portion, first by pivot
Round nut at the top of axle is screwed off, and removes upper axis bearing and upper plate of the pivot containing bearing, and pivot is moved into bent stock nose girder end
The central shaft of end and pivot passes through the circular hole of bent stock nose girder end, installs upper plate, adjusts on supreme pivot location, lower plate and pivot
Screw it is concentric, installation bolt and fixation, then upper axis bearing and the round nut at the top of pivot are connected finally screw spiral shell
Bolt and round nut；According to the bolt hole point position coring and anchor bolt of surveying and locating when tip beam pedestal is installed, by end
Beam pedestal is erected on anchor bolt, and adjustment base height is fixed after meeting design requirement；
（7）, straight beam, the location and installation of bent stock nose girder and tip beam：After the completion of pivotal mounting, by straight beam with determining on bent stock nose girder
It is moved to castor and roller assembly on pre-buried iron plate, tip beam is installed and adjusts end depth of beam and ensures tip beam center line
Overlapped with center of turnout line, then adjust rail gap of the tip beam respectively between straight beam, bent stock nose girder, be finally welded on tip beam solid
In reservation.
（8）, motor connects with the installation of guide chain：Motor is arranged on design attitude, motor respectively by guide chain and straight beam,
Bent stock nose girder connection, control track switch steering program realize that the straight stock of track switch turns bent stock or bent stock turns straight stock.
Although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of changes, modification can be carried out to these embodiments, replace without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (4)
- A kind of 1. construction method of rubber tire rail pivot track switch, it is characterised in that：Following steps are specifically included：（1）, the setting-out of track switch basis：Setting-out goes out track switch center line basis and poured and installation of embedded parts position first, goes out in setting-out Drilling implantation reinforcing bar and fixation on switch point position, in this, as concreting border, while mark on fixed reinforcing bar and mix Solidifying soil pours height；（2）, track switch reinforcing bar colligation：Track switch reinforcing bar colligation is carried out according to the switch point position of surveying and locating；（3）, built-in fitting positioning is fixed and drainpipe is laid：In each mount point position that built-in fitting setting-out goes out, with heightening locating support Built-in fitting height is oriented, measurement review built-in fitting elevation of top after the completion of adjustment, at built-in fitting bottom after meeting to set absolute altitude Drilling implantation reinforcing bar and fixation on portion's concrete, and an entirety is formed on built-in fitting bottom and the reinforcement welding of implantation；Draining Height is poured according to reserved foundation ditch to lay, it is met that the ponding in reserved foundation ditch smoothly flows into sump when pipe is laid；（4）, track switch pours：In step（2）The reinforcing bar surrounding shuttering and casting concrete of colligation enter mould；（5）, direction-caster and roller assembly installation：Direction-caster is installed in the middle part of straight beam and bent stock nose girder, in straight beam and bent stock The anterior installation roller assembly of nose girder；（6）, straight beam, the pivot location and installation of bent stock nose girder and tip beam base stand location installation：In step（4）Pour obtained base Drilling pours into anchoring adhesive to anchor bed bolt on plinth concrete, pivot is installed in straight beam and bent stock nose girder rear portion, first by pivot Round nut at the top of axle is screwed off, and removes upper axis bearing and upper plate of the pivot containing bearing, and pivot is moved into bent stock nose girder end The central shaft of end and pivot passes through the circular hole of bent stock nose girder end, installs upper plate, adjusts on supreme pivot location, lower plate and pivot Screw it is concentric, installation bolt and fixation, then upper axis bearing and the round nut at the top of pivot are connected finally screw spiral shell Bolt and round nut；According to the bolt hole point position coring and anchor bolt of surveying and locating when tip beam pedestal is installed, by end Beam pedestal is erected on anchor bolt, and adjustment base height is fixed after meeting design requirement；（7）, straight beam, the location and installation of bent stock nose girder and tip beam：After the completion of pivotal mounting, by straight beam with determining on bent stock nose girder It is moved to castor and roller assembly on pre-buried iron plate, tip beam is installed and adjusts end depth of beam and ensures tip beam center line Overlapped with center of turnout line, then adjust rail gap of the tip beam respectively between straight beam, bent stock nose girder, be finally welded on tip beam solid In reservation；（8）, motor connects with the installation of guide chain：Motor is arranged on design attitude, motor passes through guide chain and straight beam, bent stock respectively Nose girder connects, and control track switch steering program realizes that the straight stock of track switch turns bent stock or bent stock turns straight stock.
- A kind of 2. construction method of rubber tire rail pivot track switch according to claim 1, it is characterised in that：Described Step（4）In track switch pour to be divided into and pour and pour for the second time for the first time；For the first time when pouring, track switch pour in the range of except pre- Stay the installation site of foundation ditch and track switch motor not pour outer other positions one-shot forming, pour height and poured according to what measurement was laid Complete at height control point；After first time, track switch casting concrete intensity reached construction requirement, carry out track switch and pour for the second time, the Secondary pour carries out reserved foundation ditch and mounting position of motor concreting.
- A kind of 3. construction method of rubber tire rail pivot track switch according to claim 1, it is characterised in that：Described Step（2）In track switch reinforcing bar process of binding, corresponding site reinforcing bar length and arrangement of reinforcement quantity are adjusted according to on-site actual situations, is run into Built-in fitting and drainpipe cut-out or bending reinforcing steel bar are to avoid.
- A kind of 4. construction method of rubber tire rail pivot track switch according to claim 1, it is characterised in that：Described The number of steel bars being implanted into after being drilled on built-in fitting lower concrete is adjusted according to built-in fitting length.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710592901.8A CN107338689B (en) | 2017-07-19 | 2017-07-19 | Construction method for rubber wheel rail pivot turnout |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710592901.8A CN107338689B (en) | 2017-07-19 | 2017-07-19 | Construction method for rubber wheel rail pivot turnout |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107338689A true CN107338689A (en) | 2017-11-10 |
| CN107338689B CN107338689B (en) | 2019-01-18 |
Family
ID=60216035
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710592901.8A Active CN107338689B (en) | 2017-07-19 | 2017-07-19 | Construction method for rubber wheel rail pivot turnout |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107338689B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112779827A (en) * | 2020-12-31 | 2021-05-11 | 中车浦镇庞巴迪运输***有限公司 | Method and tool for installing rubber wheel rail guide rail |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030071133A1 (en) * | 1993-06-30 | 2003-04-17 | Girouard Gerald D. | Numerically controlled cross-tie pre-plating system |
| JP2012180691A (en) * | 2011-03-02 | 2012-09-20 | Keikyu Kensetsu Co Ltd | Method and equipment for relocating turnout and track panel |
| CN105329259A (en) * | 2015-12-10 | 2016-02-17 | 南车株洲电力机车有限公司 | Guiding device and guiding method of rail transit vehicle |
| CN105350409A (en) * | 2015-11-23 | 2016-02-24 | 中铁四局集团有限公司 | Construction method for urban rail transit long sleeper type steel spring floating slab track bed turnout |
-
2017
- 2017-07-19 CN CN201710592901.8A patent/CN107338689B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030071133A1 (en) * | 1993-06-30 | 2003-04-17 | Girouard Gerald D. | Numerically controlled cross-tie pre-plating system |
| JP2012180691A (en) * | 2011-03-02 | 2012-09-20 | Keikyu Kensetsu Co Ltd | Method and equipment for relocating turnout and track panel |
| CN105350409A (en) * | 2015-11-23 | 2016-02-24 | 中铁四局集团有限公司 | Construction method for urban rail transit long sleeper type steel spring floating slab track bed turnout |
| CN105329259A (en) * | 2015-12-10 | 2016-02-17 | 南车株洲电力机车有限公司 | Guiding device and guiding method of rail transit vehicle |
Non-Patent Citations (2)
| Title |
|---|
| 史海鸥，罗燕萍: "广州珠江新城旅客自动输送***（APM）设计特点", 《都市快轨交通》 * |
| 李京增等: "现代有轨电车轨道结构探测", 《现代城市轨道交通》 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112779827A (en) * | 2020-12-31 | 2021-05-11 | 中车浦镇庞巴迪运输***有限公司 | Method and tool for installing rubber wheel rail guide rail |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107338689B (en) | 2019-01-18 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105386778B (en) | Tunnel excavation lining construction chassis and tunnel excavation lining construction method | |
| CN101215814B (en) | Laying construction method and device for double-block type ballastless track sleeper | |
| CN108374296A (en) | The construction method of straddle type monorail rail tracks installation | |
| CN106958186A (en) | The construction method of bridge floor body, bridge and bridge | |
| CN103321111A (en) | Tramcar track continuous-laying construction method | |
| JP2000064209A (en) | Assembling method for fixed track line | |
| CN108687950A (en) | A kind of prefabricated trolley of pipe gallery and piping lane method for prefabricating | |
| CN108505445A (en) | A kind of overbridge roof beam structure bridge construction method | |
| CN109469094A (en) | Super High bottom plate interpolation fashioned iron column construction method and fixed structure | |
| CN202659247U (en) | Back templates and combined steel die for tunnel inverted arch construction | |
| CN105525571A (en) | Construction method of anti-collision wall | |
| CN107338689A (en) | Construction method for rubber wheel rail pivot turnout | |
| CN209907210U (en) | Integral pouring template system for T-shaped beam sidewalk board and sound barrier base | |
| WO2011120186A1 (en) | Track system for magnetic suspension passenger traffic line | |
| CN107190594B (en) | Construction method of rubber wheel rail guide rail | |
| KR102161144B1 (en) | Height-adjustable transporter for bridge construction and bridge construction method using it | |
| CN209243470U (en) | A kind of connection structure of track girder and shield duct piece | |
| CN110593105A (en) | Rotation and translation phase-shifting combined incremental launching type rotation translation system and bridge construction method | |
| CN111235977A (en) | Side floating type rail transit guide beam | |
| CN110512921A (en) | Overhaul assembling structure, train overhaul platform and its construction method of column | |
| CN202628118U (en) | Formwork trolley for long and large box culvert | |
| CN206279450U (en) | A kind of urban viaduct precast concrete suspending board anticollision wall device | |
| CN106758886B (en) | A kind of method of the existing bridges and culverts structure of novel dismounting | |
| CN109457558A (en) | A kind of beam-rail integration medium-and low-speed maglev track girder | |
| CN211285271U (en) | Pull-type rotating body translation system combining rotating body and translation phase shifting |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP02 | Change in the address of a patent holder | ||
| CP02 | Change in the address of a patent holder |
Address after: Wangjiang Road in Baohe District of Hefei city of Anhui Province, No. 96 230023 Patentee after: CHINA TIESIJU CIVIL ENGINEERING GROUP Co.,Ltd. Address before: 230023 technical center of China Railway four Bureau, No. 96 Wangjiang East Road, Anhui, 618, Hefei Patentee before: CHINA TIESIJU CIVIL ENGINEERING GROUP Co.,Ltd. |