CN108708233A - Track switch integrally draws paving construction method - Google Patents
Track switch integrally draws paving construction method Download PDFInfo
- Publication number
- CN108708233A CN108708233A CN201810484116.5A CN201810484116A CN108708233A CN 108708233 A CN108708233 A CN 108708233A CN 201810484116 A CN201810484116 A CN 201810484116A CN 108708233 A CN108708233 A CN 108708233A
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- Prior art keywords
- track switch
- track
- rail
- traversing
- construction method
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- 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.)
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Classifications
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- 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
- E01B29/02—Transporting, laying, removing, or renewing lengths of assembled track, assembled switches, or assembled crossings
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Machines For Laying And Maintaining Railways (AREA)
Abstract
The invention discloses a kind of track switches integrally to draw paving construction method, includes the following steps：Step 1, preparation of construction；Step 2 cuts rail；Step 3 removes rail, sleeper；Step 4, track take off the tiny fragments of stone, coal, etc.；Step 5 is inserted into track switch；Step 6, the adjustment of trouble position；Step 7, the tiny fragments of stone, coal, etc. on track；Step 8, tamping track；Step 9, work Electricity Federation tune；Step 10, site clearing；Step 11 opens circuit；It is laid with changing for track switch is sling, standby traversing to track switch progress by changing laying, floor manager personnel stare at control equipment state, to which the standby normal operation of laying is changed in guarantee, while reducing artificial push, save labour, are convenient for carrying out track switch traversing；Accurate adjustment is carried out to track switch with track jack, to reduce the error of mounting turnout, to improve the construction quality to track switch.
Description
Technical field
The present invention relates to railway switch laying construction field more particularly to a kind of track switches integrally to draw paving construction method.
Background technology
Track switch is a kind of weakness of the line connection equipment and track that make rolling stock be transferred to another station track from a station track
One of link usually AT STATION, organizes into groups a large amount of be laid with.
The prior art can refer to the Chinese invention patent that Authorization Notice No. is CN106351093B, and which disclose one kind
The construction method of 1/42 track switch of paving is integrally inserted in existing line section, is included the following steps：The first step, the items before track switch is pre-splicing are accurate
Standby work；Second step, the pre-splicing construction procedure of track switch：（1）Dissipate rail material；（2）It rests the head on setting-out side；（3）Dissipate accessory；（4）It is assembled；（5）
Track switch is welded；Third walks, the preparation of track switch whole lateral moving：（1）Track switch completes assembled and welding on pre-splicing position, and complete
At work Electricity Federation tune, track switch integral reinforcing is carried out；（2）Track jack is installed；（3）Sliding rail, pulley are installed；4th step is blocked in point and is applied
Work；
But track switch it is traversing it is middle constructed by the way of manually pushing, increase labour, be not easy to track switch carry out
It is traversing.
Invention content
The object of the present invention is to provide a kind of track switches integrally to draw paving construction method, its advantage is that during track switch is traversing,
Artificial push is reduced, ensures the progress of construction, while traversing convenient for being carried out to track switch.
The present invention above-mentioned purpose technical scheme is that：A kind of track switch integrally draws paving construction party
Method includes the following steps：
Step 1, preparation of construction：Completion track switch overlays, interior rail of branching off welding is detected a flaw and work Electricity Federation tune；It polishes track switch
Processing, railway ballast, which is stored in, to be overlay under track switch；Block circuit；
Step 2 cuts rail：Cutting operation is carried out to rail with cutting machine, rail to be cut off is made to be detached with original rail；
Step 3 removes rail, sleeper：The sleeper of rail and rail bottom end after the completion of cutting is removed with excavator
Fortune, appearance is had bad luck by rail and sleeper；
Step 4, track take off the tiny fragments of stone, coal, etc.：After line disconnection and old material transport job location, railway roadbed is cleared up with excavator, railway ballast is put in
Line-to-line；
Step 5 is inserted into track switch：Track switch is placed on the railway roadbed after the completion of cleaning with crane；
Step 6, the adjustment of trouble position：With change be laid with it is standby track switch is lifted by crane, track switch change the under the action of of being laid with standby carry out it is traversing；
Floor manager personnel are responsible for staring at control equipment state, the shutdown processing when there are abnormal conditions during traversing；Abnormal conditions processing
After, continue traversing；After track switch is traversing, when needing to carry out vertical shift, vertical shift is carried out for track switch using changing to be laid with；Track switch
After traversing and vertical shift in place, lateral accurate adjustment is carried out with track jack；
Step 7, the tiny fragments of stone, coal, etc. on track：After turnout fine adjustment positioning, connection track switch and front and back road, while laying is standby to lift track switch with changing
It rises；Upper tiny fragments of stone, coal, etc. operation is carried out to railway roadbed with excavator, meets to raise track and make firm by ramming；
Step 8, tamping track：Tamping operation is carried out to track switch song stock with turnout tamping vehicle, two smash one surely when making firm by ramming；Straight stock into
Pedestrian's work is made firm by ramming；
Step 9, work Electricity Federation tune：After the completion of track switch lifts road, cleaning personnel and material have；Cooperation electricity business profession carries out track switch debugging, together
When contact net data are measured, utilize tower wagon adjustment contact network data；
Step 10, site clearing：The remaining waste material in scene is cleared up and transported；
Step 11 opens circuit：After the completion of the cleaning of scene, circuit is carried out open-minded.
Through the above technical solutions, being laid with changing for track switch is sling, standby traversing to track switch progress, scene is laid with by changing
Commanding stares at control equipment state, is laid with standby normal operation to ensure to change, while reducing artificial push, saves labour
Power, it is traversing convenient for being carried out to track switch；Accurate adjustment is carried out to track switch with track jack, to reduce the error of mounting turnout, to improve
To the construction quality of track switch.
Preferably, in the step 4, the depth for clearing up railway roadbed is not less than 10cm.
Through the above technical solutions, the depth of cleaning railway roadbed is at least 10mm and can ensure to want the pre-buried depth of sleeper
It asks, increases the connection between sleeper and railway roadbed, to improve the intensity of sleeper when in use.
Preferably, in the step 6, with changing, laying is standby will to overlay the traversing 6-8m of track switch.
Preferably, it is 50min-70min to overlay the track switch traversing time.
Through the above technical solutions, according to the position for overlaying track switch, carry out traversing to overlaying track switch, it is heavier to overlay track switch,
It is slowly carried out when to overlaying track switch movement, consequently facilitating ensureing stability when track switch is traversing.
Preferably, in the step 6, when to overlaying turnout fine adjustment, horizontal spacing is not more than 25mm.
Installation error is reduced when through the above technical solutions, overlaying mounting turnout, consequently facilitating the normal use of track switch.
Preferably, in the step 7, the height that track switch is lifted is designed elevation 80mm below.
Through the above technical solutions, track switch is lifted, consequently facilitating railway ballast is placed, consequently facilitating track switch is placed on railway roadbed
On, consequently facilitating the use of track switch.
Preferably, in the step 8, after making firm by ramming, specific aim is carried out to railway roadbed and mends the tiny fragments of stone, coal, etc., the tiny fragments of stone, coal, etc. is made to be evenly distributed on railway roadbed.
Through the above technical solutions, the tiny fragments of stone, coal, etc. is targetedly mended to railway roadbed, to make railway ballast be evenly distributed on railway roadbed, from
And improve the installation strength of railway ballast.
Preferably, in the step 10, it is old rail material storage point on the outside of adjacent line, puts outer remove and have bad luck appearance.
Through the above technical solutions, old rail material to be placed on to the outside of adjacent line, it can save the time, convenient for shortening construction
Duration.
In conclusion the invention has the advantages that：
1, with laying is changed for track switch is sling, standby traversing to track switch progress by changing laying, floor manager personnel, which stare at, controls equipment shape
State is laid with standby normal operation to ensure to change, while reducing artificial push, saves labour, horizontal convenient for being carried out to track switch
It moves；Accurate adjustment is carried out to track switch with track jack, to reduce the error of mounting turnout, to improve the construction quality to track switch；
2, the depth of cleaning railway roadbed, which is at least 10mm, can ensure pre-buried depth requirements to sleeper, increase between sleeper and railway roadbed
Connection, to improve the intensity of sleeper when in use；
3, according to overlaying the position of track switch, carry out traversing to overlaying track switch, it is heavier to overlay track switch, slow when to overlaying track switch movement
It carries out, consequently facilitating ensureing stability when track switch is traversing.
Specific implementation mode
Embodiment 1：A kind of track switch integrally draws paving construction method, includes the following steps：
Step 1, preparation of construction：Completion track switch overlays, interior rail of branching off welding is detected a flaw and work Electricity Federation tune；It polishes track switch
Processing, railway ballast, which is stored in, to be overlay under track switch；Block circuit.
Step 2 cuts rail：Cutting operation is carried out to rail with cutting machine, makes rail to be cut off and original rail point
From.
Step 3 removes rail, sleeper：The sleeper of rail and rail bottom end after the completion of cutting is carried out with excavator
It carries, rail and sleeper is had bad luck into appearance.
Step 4, track take off the tiny fragments of stone, coal, etc.：After line disconnection and old material transport job location, railway roadbed, cleaning are cleared up with excavator
The depth of railway roadbed is not less than 10cm, and railway ballast is put in line-to-line.
Step 5 is inserted into track switch：Track switch is placed on the railway roadbed after the completion of cleaning with crane.
Step 6, the adjustment of trouble position：With change be laid with it is standby track switch is lifted by crane, track switch change the under the action of of being laid with standby carry out it is horizontal
It moves；Floor manager personnel are responsible for staring at control equipment state, the shutdown processing when there are abnormal conditions during traversing；At abnormal conditions
After reason, continue traversing；With changing, laying is standby will to overlay the traversing 6m of track switch；It is 50min to overlay the track switch traversing time；Track switch is horizontal
After shifting, when needing to carry out vertical shift, vertical shift is carried out for track switch using changing to be laid with；After track switch is traversing and vertical shift in place, with rising
Road machine carries out lateral accurate adjustment, and when to overlaying turnout fine adjustment, horizontal spacing is not more than 25mm.
Step 7, the tiny fragments of stone, coal, etc. on track：After turnout fine adjustment positioning, connection track switch and front and back road, and meanwhile it is standby by road with laying is changed
Trouble is lifted, and the height that track switch is lifted is designed elevation 80mm below；Upper tiny fragments of stone, coal, etc. operation is carried out to railway roadbed with excavator, is met
It makes firm by ramming in road.
Step 8, tamping track：Tamping operation is carried out to track switch song stock with turnout tamping vehicle, two smash one surely when making firm by ramming；Directly
Stock is manually made firm by ramming；After making firm by ramming, specific aim is carried out to railway roadbed and mends the tiny fragments of stone, coal, etc., the tiny fragments of stone, coal, etc. is made to be evenly distributed on railway roadbed.
Step 9, work Electricity Federation tune：After the completion of track switch lifts road, cleaning personnel and material have；Cooperation electricity business profession carries out track switch tune
Examination, while contact net data are measured, adjust contact network data using tower wagon.
Step 10, site clearing：The remaining waste material in scene is cleared up and transported；It is old rail material storage on the outside of adjacent line
Point puts outer remove and has bad luck appearance.
Step 11 opens circuit：After the completion of the cleaning of scene, circuit is carried out open-minded.
Embodiment 2：A kind of track switch integrally draws paving construction method, includes the following steps：
Step 1, preparation of construction：Completion track switch overlays, interior rail of branching off welding is detected a flaw and work Electricity Federation tune；It polishes track switch
Processing, railway ballast, which is stored in, to be overlay under track switch；Block circuit.
Step 2 cuts rail：Cutting operation is carried out to rail with cutting machine, makes rail to be cut off and original rail point
From.
Step 3 removes rail, sleeper：The sleeper of rail and rail bottom end after the completion of cutting is carried out with excavator
It carries, rail and sleeper is had bad luck into appearance.
Step 4, track take off the tiny fragments of stone, coal, etc.：After line disconnection and old material transport job location, railway roadbed, cleaning are cleared up with excavator
The depth of railway roadbed is not less than 10cm, and railway ballast is put in line-to-line.
Step 5 is inserted into track switch：Track switch is placed on the railway roadbed after the completion of cleaning with crane.
Step 6, the adjustment of trouble position：With change be laid with it is standby track switch is lifted by crane, track switch change the under the action of of being laid with standby carry out it is horizontal
It moves；Floor manager personnel are responsible for staring at control equipment state, the shutdown processing when there are abnormal conditions during traversing；At abnormal conditions
After reason, continue traversing；With changing, laying is standby will to overlay the traversing 7m of track switch；It is 60min to overlay the track switch traversing time；Track switch is horizontal
After shifting, when needing to carry out vertical shift, vertical shift is carried out for track switch using changing to be laid with；After track switch is traversing and vertical shift in place, with rising
Road machine carries out lateral accurate adjustment, and when to overlaying turnout fine adjustment, horizontal spacing is not more than 25mm.
Step 7, the tiny fragments of stone, coal, etc. on track：After turnout fine adjustment positioning, connection track switch and front and back road, and meanwhile it is standby by road with laying is changed
Trouble is lifted, and the height that track switch is lifted is designed elevation 80mm below；Upper tiny fragments of stone, coal, etc. operation is carried out to railway roadbed with excavator, is met
It makes firm by ramming in road.
Step 8, tamping track：Tamping operation is carried out to track switch song stock with turnout tamping vehicle, two smash one surely when making firm by ramming；Directly
Stock is manually made firm by ramming；After making firm by ramming, specific aim is carried out to railway roadbed and mends the tiny fragments of stone, coal, etc., the tiny fragments of stone, coal, etc. is made to be evenly distributed on railway roadbed.
Step 9, work Electricity Federation tune：After the completion of track switch lifts road, cleaning personnel and material have；Cooperation electricity business profession carries out track switch tune
Examination, while contact net data are measured, adjust contact network data using tower wagon.
Step 10, site clearing：The remaining waste material in scene is cleared up and transported；It is old rail material storage on the outside of adjacent line
Point puts outer remove and has bad luck appearance.
Step 11 opens circuit：After the completion of the cleaning of scene, circuit is carried out open-minded.
Embodiment 3：
A kind of track switch integrally draws paving construction method, includes the following steps：
Step 1, preparation of construction：Completion track switch overlays, interior rail of branching off welding is detected a flaw and work Electricity Federation tune；It polishes track switch
Processing, railway ballast, which is stored in, to be overlay under track switch；Block circuit.
Step 2 cuts rail：Cutting operation is carried out to rail with cutting machine, makes rail to be cut off and original rail point
From.
Step 3 removes rail, sleeper：The sleeper of rail and rail bottom end after the completion of cutting is carried out with excavator
It carries, rail and sleeper is had bad luck into appearance.
Step 4, track take off the tiny fragments of stone, coal, etc.：After line disconnection and old material transport job location, railway roadbed, cleaning are cleared up with excavator
The depth of railway roadbed is not less than 10cm, and railway ballast is put in line-to-line.
Step 5 is inserted into track switch：Track switch is placed on the railway roadbed after the completion of cleaning with crane.
Step 6, the adjustment of trouble position：With change be laid with it is standby track switch is lifted by crane, track switch change the under the action of of being laid with standby carry out it is horizontal
It moves；Floor manager personnel are responsible for staring at control equipment state, the shutdown processing when there are abnormal conditions during traversing；At abnormal conditions
After reason, continue traversing；With changing, laying is standby will to overlay the traversing 8m of track switch；It is 70min to overlay the track switch traversing time；Track switch is horizontal
After shifting, when needing to carry out vertical shift, vertical shift is carried out for track switch using changing to be laid with；After track switch is traversing and vertical shift in place, with rising
Road machine carries out lateral accurate adjustment, and when to overlaying turnout fine adjustment, horizontal spacing is not more than 25mm.
Step 7, the tiny fragments of stone, coal, etc. on track：After turnout fine adjustment positioning, connection track switch and front and back road, and meanwhile it is standby by road with laying is changed
Trouble is lifted, and the height that track switch is lifted is designed elevation 80mm below；Upper tiny fragments of stone, coal, etc. operation is carried out to railway roadbed with excavator, is met
It makes firm by ramming in road.
Step 8, tamping track：Tamping operation is carried out to track switch song stock with turnout tamping vehicle, two smash one surely when making firm by ramming；Directly
Stock is manually made firm by ramming；After making firm by ramming, specific aim is carried out to railway roadbed and mends the tiny fragments of stone, coal, etc., the tiny fragments of stone, coal, etc. is made to be evenly distributed on railway roadbed.
Step 9, work Electricity Federation tune：After the completion of track switch lifts road, cleaning personnel and material have；Cooperation electricity business profession carries out track switch tune
Examination, while contact net data are measured, adjust contact network data using tower wagon.
Step 10, site clearing：The remaining waste material in scene is cleared up and transported；It is old rail material storage on the outside of adjacent line
Point puts outer remove and has bad luck appearance.
Step 11 opens circuit：After the completion of the cleaning of scene, circuit is carried out open-minded.
This specific embodiment is only explanation of the invention, is not limitation of the present invention, people in the art
Member can as needed make the present embodiment the modification of not creative contribution after reading this specification, but as long as at this
It is all protected by Patent Law in the right of invention.
Claims (8)
1. a kind of track switch integrally draws paving construction method, characterized in that include the following steps：
Step 1, preparation of construction：Completion track switch overlays, interior rail of branching off welding is detected a flaw and work Electricity Federation tune；It polishes track switch
Processing, railway ballast, which is stored in, to be overlay under track switch；Block circuit；
Step 2 cuts rail：Cutting operation is carried out to rail with cutting machine, rail to be cut off is made to be detached with original rail；
Step 3 removes rail, sleeper：The sleeper of rail and rail bottom end after the completion of cutting is removed with excavator
Fortune, appearance is had bad luck by rail and sleeper；
Step 4, track take off the tiny fragments of stone, coal, etc.：After line disconnection and old material transport job location, railway roadbed is cleared up with excavator, railway ballast is put in
Line-to-line；
Step 5 is inserted into track switch：Track switch is placed on the railway roadbed after the completion of cleaning with crane；
Step 6, the adjustment of trouble position：With change be laid with it is standby track switch is lifted by crane, track switch change the under the action of of being laid with standby carry out it is traversing；
Floor manager personnel are responsible for staring at control equipment state, the shutdown processing when there are abnormal conditions during traversing；Abnormal conditions processing
After, continue traversing；After track switch is traversing, when needing to carry out vertical shift, vertical shift is carried out for track switch using changing to be laid with；Track switch
After traversing and vertical shift in place, lateral accurate adjustment is carried out with track jack；
Step 7, the tiny fragments of stone, coal, etc. on track：After turnout fine adjustment positioning, connection track switch and front and back road, while laying is standby to lift track switch with changing
It rises；Upper tiny fragments of stone, coal, etc. operation is carried out to railway roadbed with excavator, meets to raise track and make firm by ramming；
Step 8, tamping track：Tamping operation is carried out to track switch song stock with turnout tamping vehicle, two smash one surely when making firm by ramming；Straight stock into
Pedestrian's work is made firm by ramming；
Step 9, work Electricity Federation tune：After the completion of track switch lifts road, cleaning personnel and material have；Cooperation electricity business profession carries out track switch debugging, together
When contact net data are measured, utilize tower wagon adjustment contact network data；
Step 10, site clearing：The remaining waste material in scene is cleared up and transported；
Step 11 opens circuit：After the completion of the cleaning of scene, circuit is carried out open-minded.
2. track switch according to claim 1 integrally draws paving construction method, it is characterized in that：In the step 4, railway roadbed is cleared up
Depth be not less than 10cm.
3. track switch according to claim 1 integrally draws paving construction method, it is characterized in that：In the step 6, it is laid with changing
It is standby to overlay the traversing 6-8m of track switch.
4. track switch according to claim 3 integrally draws paving construction method, it is characterized in that：Overlaying the track switch traversing time is
50min-70min。
5. track switch according to claim 1 integrally draws paving construction method, it is characterized in that：In the step 6, to pre- causeway
When trouble accurate adjustment, horizontal spacing is not more than 25mm.
6. track switch according to claim 1 integrally draws paving construction method, it is characterized in that：In the step 7, track switch is lifted
The height risen is designed elevation 80mm below.
7. track switch according to claim 1 integrally draws paving construction method, it is characterized in that：It is right after making firm by ramming in the step 8
Railway roadbed carries out specific aim and mends the tiny fragments of stone, coal, etc., and the tiny fragments of stone, coal, etc. is made to be evenly distributed on railway roadbed.
8. track switch according to claim 1 integrally draws paving construction method, it is characterized in that：In the step 10, outside adjacent line
Side is that old rail material stores point, puts outer remove and has bad luck appearance.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810484116.5A CN108708233A (en) | 2018-05-19 | 2018-05-19 | Track switch integrally draws paving construction method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810484116.5A CN108708233A (en) | 2018-05-19 | 2018-05-19 | Track switch integrally draws paving construction method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108708233A true CN108708233A (en) | 2018-10-26 |
Family
ID=63869151
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810484116.5A Pending CN108708233A (en) | 2018-05-19 | 2018-05-19 | Track switch integrally draws paving construction method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108708233A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111041909A (en) * | 2019-12-13 | 2020-04-21 | 中国铁建高新装备股份有限公司 | Ballast turnout inserting and laying construction method |
| CN112878120A (en) * | 2019-11-29 | 2021-06-01 | 中国铁建高新装备股份有限公司 | Mechanical replacing and laying construction method for ballast turnout |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2841846A1 (en) * | 1978-09-26 | 1980-04-03 | Olaf Unbehaun | Railway track replacement with new sleepers - involves lifting ballast, laying each sleeper and simultaneously filling previous area |
| DE4437955A1 (en) * | 1994-10-24 | 1996-04-25 | Fritz Knape | Rail track permanent way |
| CN1598147A (en) * | 2004-09-15 | 2005-03-23 | 中铁二十五局集团第三工程有限公司 | Technology of changing railway switch construction and its equipment of changing railway switch |
| CN104727192A (en) * | 2015-02-09 | 2015-06-24 | 安徽兴宇轨道装备有限公司 | Construction method for detaching integrated ballast bed |
| CN106351093A (en) * | 2015-07-13 | 2017-01-25 | 中铁二局工程有限公司 | Construction method for integrally laying 1/42 turnouts in inserting mode in existing railroad section |
-
2018
- 2018-05-19 CN CN201810484116.5A patent/CN108708233A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2841846A1 (en) * | 1978-09-26 | 1980-04-03 | Olaf Unbehaun | Railway track replacement with new sleepers - involves lifting ballast, laying each sleeper and simultaneously filling previous area |
| DE4437955A1 (en) * | 1994-10-24 | 1996-04-25 | Fritz Knape | Rail track permanent way |
| CN1598147A (en) * | 2004-09-15 | 2005-03-23 | 中铁二十五局集团第三工程有限公司 | Technology of changing railway switch construction and its equipment of changing railway switch |
| CN104727192A (en) * | 2015-02-09 | 2015-06-24 | 安徽兴宇轨道装备有限公司 | Construction method for detaching integrated ballast bed |
| CN106351093A (en) * | 2015-07-13 | 2017-01-25 | 中铁二局工程有限公司 | Construction method for integrally laying 1/42 turnouts in inserting mode in existing railroad section |
Non-Patent Citations (1)
| Title |
|---|
| 靳刘刚等: "利用道岔换铺设备更换高速单开道岔方法的探讨", 《铁道运营技术》 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112878120A (en) * | 2019-11-29 | 2021-06-01 | 中国铁建高新装备股份有限公司 | Mechanical replacing and laying construction method for ballast turnout |
| CN111041909A (en) * | 2019-12-13 | 2020-04-21 | 中国铁建高新装备股份有限公司 | Ballast turnout inserting and laying construction method |
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| PB01 | Publication | ||
| PB01 | Publication | ||
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Application publication date: 20181026 |