CN110552712A - Subway shield tunnel is discharged slag fast and is used rail transport system - Google Patents
Subway shield tunnel is discharged slag fast and is used rail transport system Download PDFInfo
- Publication number
- CN110552712A CN110552712A CN201910644860.1A CN201910644860A CN110552712A CN 110552712 A CN110552712 A CN 110552712A CN 201910644860 A CN201910644860 A CN 201910644860A CN 110552712 A CN110552712 A CN 110552712A
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- rail
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- transverse moving
- shield
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- 239000002893 slag Substances 0.000 title claims abstract description 20
- 229910000831 Steel Inorganic materials 0.000 claims description 26
- 239000010959 steel Substances 0.000 claims description 26
- 238000010079 rubber tapping Methods 0.000 claims description 7
- 238000009434 installation Methods 0.000 claims description 4
- 238000010276 construction Methods 0.000 description 38
- 239000002689 soil Substances 0.000 description 11
- 239000004570 mortar (masonry) Substances 0.000 description 9
- 238000000034 method Methods 0.000 description 8
- 239000002002 slurry Substances 0.000 description 6
- 238000003860 storage Methods 0.000 description 5
- 230000005641 tunneling Effects 0.000 description 5
- 238000007599 discharging Methods 0.000 description 3
- 210000001503 joint Anatomy 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 230000007246 mechanism Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 239000004576 sand Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 206010039203 Road traffic accident Diseases 0.000 description 1
- 230000001133 acceleration Effects 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 238000010835 comparative analysis Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000003137 locomotive effect Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000008520 organization Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61B—RAILWAY SYSTEMS; EQUIPMENT THEREFOR NOT OTHERWISE PROVIDED FOR
- B61B1/00—General arrangement of stations, platforms, or sidings; Railway networks; Rail vehicle marshalling systems
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
- E01B23/00—Easily dismountable or movable tracks, e.g. temporary railways; Details specially adapted therefor
- E01B23/02—Tracks for light railways, e.g. for field, colliery, or mine use
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D7/00—Shaft equipment, e.g. timbering within the shaft
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D9/00—Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries
- E21D9/12—Devices for removing or hauling away excavated material or spoil; Working or loading platforms
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Mechanical Engineering (AREA)
- Geology (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Life Sciences & Earth Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Transportation (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Lining And Supports For Tunnels (AREA)
Abstract
A rail transportation system for quick slag discharge of a subway shield tunnel comprises a shunting rail fixedly arranged in the shield tunnel, a first rail, a second rail and a rail transverse moving device, wherein the first rail and the second rail are arranged in parallel and at intervals, the rail transverse moving device is slidably arranged in a shield shaft, and each section of the first rail and each section of the second rail are connected with the shunting rail through turnout adjustment; the track transverse moving device comprises a transverse track, a transverse moving support, a longitudinal track and a hydraulic jack, wherein the transverse track is fixed on a shield shaft bottom plate, and the transverse moving support is slidably supported on the transverse track; the top of the transverse moving support is fixedly provided with a longitudinal rail which is in adjusting connection with the first rail and the second rail; and a hydraulic jack for providing transverse moving power for the transverse moving support is fixedly arranged on the side wall of the shield shaft. The track transportation system does not need to consider the total connection length of the rail cars, can realize the simultaneous operation of the full-load and no-load rail cars, and can improve the muck transportation efficiency to the maximum extent within the limited horizontal depth range of the shield shaft.
Description
Technical Field
The invention relates to the technical field of subway construction, in particular to a slag tapping system for overlapping line tunnel construction and split initial tunnel construction, and particularly relates to a rail transportation system for rapidly tapping a subway shield tunnel.
Background
With the rapid development of national economy and the continuous acceleration of urbanization process, urban rail transit is also developed unprecedentedly, and shield construction becomes the first choice construction method of urban subway construction with safety and high efficiency. Because of the limitation of various conditions of urban ground traffic and building distribution, subway superposed line tunnels are more and more widely designed. Due to the characteristics of subway lines and the complexity of the overall construction organization, the split launching of the shield tunnel construction is more and more extensive.
At present, in the double-line simultaneous construction of a superposed line tunnel and the split starting shield construction under the complex environment, the construction muck is transported back and forth by a rail vehicle in a single rail, but the total length of the rail vehicle is severely limited due to the limited transverse depth of a shield well, and the rail vehicle with no load and full load can not run simultaneously, so that the method has low transportation efficiency and longer construction period, and can not meet the construction requirement of transporting the muck with high efficiency and low cost,
through searching the published patents, the following patent documents most relevant to the technical scheme are found:
The anti-skid system of the electric power transport vehicle and the subway construction transportation system (CN109398404A) disclose an anti-skid system of the electric power transport vehicle and a subway construction transportation system, which are used for being matched with a transportation rail body, wherein the anti-skid system of the electric power transport vehicle comprises a clamping mechanism, and the clamping mechanism is used for being installed on the transportation vehicle body; the clamping mechanism comprises a first driving piece and a clamping piece, wherein a first clamping portion is arranged on the clamping piece, a second clamping portion is arranged on the inner side of at least one section of the transportation track body, the first driving piece is driven to be connected with the clamping piece and used for driving the clamping piece to reciprocate relative to the transportation track body, and therefore the first clamping portion is clamped in the second clamping portion or the first clamping portion is separated from the second clamping portion. Even can guarantee the phenomenon that the transport vechicle body can not appear the landslide when braking system breaks down in the use, reduce the accident that the landslide caused, increase the security.
An earth pressure balance shield muck continuous conveying device (CN109611113A) discloses an earth pressure balance shield muck continuous conveying device, which comprises: the grading screen is used for receiving the residue soil transmitted by the conveyor; a mixing mixer which receives the small-particle residue soil screened by the grading screen; the crusher is used for crushing the screened large materials, feeding the crushed residue soil into the mixing stirrer, and adding the additive and the low-concentration slurry into the mixture during stirring to form sand slurry; and the centrifugal slurry pump is used for conveying the sand and stone slurry to the ground surface for the slurry water treatment system to carry out slurry water treatment. The invention does not need a rail mine car and a crane to transport the muck to the ground surface, saves the mine car, a high-power traction electric locomotive and a large gantry crane, reduces the investment of construction equipment and reduces the occupation of an operation field in the tunnel; the waiting time of shield tunneling caused by the reciprocating horizontal running, vertical hoisting and discharging of the mine car is saved; the earth surface slag and soil pit is saved; the potential safety hazard of the operation of the mine car and the crane is eliminated.
Through comparative analysis of the above published patent documents, the applicant believes that the rail transportation system in the present application has significant advantages in terms of improving the muck transportation efficiency and shortening the construction period, and the above patent does not affect the novelty of the present application through analysis.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides a rail transport system for rapidly deslagging in a subway shield tunnel, which does not need to consider the total connection length of rail cars, can realize the simultaneous operation of full-load and no-load rail cars and can improve the muck transport efficiency to the maximum extent in the limited horizontal depth range of a shield shaft.
A rail transportation system for quick slag discharge of a subway shield tunnel comprises a shunting rail fixedly arranged in the shield tunnel, a first rail, a second rail and a rail transverse moving device, wherein the first rail and the second rail are arranged in parallel and at intervals, the rail transverse moving device is slidably arranged in a shield shaft, and each section of the first rail and each section of the second rail are connected with the shunting rail through turnout adjustment; the track transverse moving device comprises a transverse track, a transverse moving support, a longitudinal track and a hydraulic jack, wherein the transverse track is fixed on a shield shaft bottom plate, and the transverse moving support is slidably supported on the transverse track; the top of the transverse moving support is fixedly provided with a longitudinal rail which is in adjusting connection with the first rail and the second rail; and a hydraulic jack for providing transverse moving power for the transverse moving support is fixedly arranged on the side wall of the shield shaft.
moreover, the transverse rails are provided with a plurality of groups, and the plurality of groups of transverse rails are uniformly distributed on the bottom plate of the shield shaft; the transverse rails are respectively supported with a transverse moving bracket in a sliding way, and the transverse moving brackets are welded and fixed through channel steel; the sideslip support includes two H shaped steel that set up along horizontal track extending direction symmetry to and the channel-section steel that sets up along longitudinal rail extending direction, wherein the inner wall of two H shaped steel passes through channel-section steel fixed connection, and rotates the rail wheel of installation and horizontal track sliding connection on the outer wall of two H shaped steel.
and the hydraulic jack is arranged along the extending direction of the transverse rail, and the output end of the hydraulic jack is fixedly supported on the side wall of the channel steel.
And, first track and second track are the multistage interval setting, and this interval department is connected with the track of getting in the wrong place through switch regulation.
the invention has the advantages and technical effects that:
According to the track transportation system for rapid slag tapping of the subway shield tunnel, synchronous operation of no-load and full-load rail cars is realized through the first track and the second track, the first track or the second track is selectively and adjustably connected through the track transverse moving device, split transportation of a plurality of sections of rail cars can be realized by disassembling the connecting device between the rail cars, the full-load rail cars after being split unload slag soil on the track transverse moving device, and then the track transverse moving device is pushed by the hydraulic jack to translate and send out the no-load rail cars, so that the slag soil is transported in a reciprocating manner, and the problem that the total length of the connection of the rail cars is limited due to limitation of the transverse depth of a shield shaft and the slag soil transportation efficiency is low is solved.
According to the rail transportation system for rapid slag discharge of the subway shield tunnel, the balance stability of the rail transverse moving device during translation is ensured through the plurality of groups of transverse rails and the transverse moving supports; simultaneously, realize the inside horizontal support of track sideslip device through H shaped steel to realize the inside vertical support of track sideslip device through welded fastening's channel-section steel between the H shaped steel, effectively improved the structural strength and the biggest load of track sideslip device.
According to the track transportation system for rapid slag discharge of the subway shield tunnel, provided by the invention, full-load and no-load track cars can run in two directions through the wrong track without mutual interference, so that the slag soil transportation efficiency is further ensured.
the rail transportation system for rapidly deslagging in the subway shield tunnel solves the problem that the muck transportation efficiency is low in the current double-line simultaneous construction and split starting shield construction of a superposed line tunnel in a complex environment, the transverse depth of a shield well and the total length of rail car connection are not required to be considered, the muck transportation throughput efficiency is greatly improved, the construction period is shortened, and the rail transportation system is high in creativity.
drawings
FIG. 1 is a schematic illustration of a rail transit system connection of the present invention;
FIG. 2 is an enlarged view of a portion of FIG. 1;
FIG. 3 is a perspective view showing a structure of a rail traversing device according to the present invention;
FIG. 4 is a schematic view of a rail car traveling on the rail transport system of the present invention;
In the figure: 1-shield vertical shaft; 2-a track traversing device; 3-a first track; 4-a second track; 5-a passing track; 6-turnout; 7-shield tunnel; 8-transverse tracks; 9-longitudinal rail; 10-H section steel; 11-hydraulic jack; 12-a rail wheel; 13-channel steel; 14-shield shaft floor; 15-segment lathing; 16-mortar vehicle; 17-an electric vehicle; 18-muck carriage.
Detailed Description
For a further understanding of the contents, features and effects of the present invention, reference will now be made to the following examples, which are to be considered in conjunction with the accompanying drawings. It should be noted that the present embodiment is illustrative, not restrictive, and the scope of the invention should not be limited thereby.
A rail transportation system for rapidly deslagging in a subway shield tunnel comprises a first rail 3 and a second rail 4 which are fixedly arranged in a shield tunnel 7, and a rail transverse moving device 2 which is slidably arranged in a shield shaft 1; the track transverse moving device comprises a transverse track 8, a transverse moving support, a longitudinal track 9 and a hydraulic jack 11, wherein the transverse track is fixed on a shield shaft bottom plate 14, and the transverse moving support is slidably supported on the transverse track; the top of the transverse moving support is fixedly provided with a longitudinal rail which is in adjusting connection with the first rail and the second rail; and a hydraulic jack for providing transverse moving power for the transverse moving support is fixedly arranged on the side wall of the shield shaft.
Moreover, the transverse rails are provided with a plurality of groups, and the plurality of groups of transverse rails are uniformly distributed on the bottom plate of the shield shaft; the transverse rails are all supported with transverse brackets in a sliding way, and the transverse brackets are welded and fixed through channel steel 13; the sideslip support includes two H shaped steel 10 that set up along horizontal track extending direction symmetry to and the channel-section steel that sets up along longitudinal rail extending direction, and wherein the inner wall of two H shaped steel passes through channel-section steel fixed connection, and rotate on the outer wall of two H shaped steel installation and horizontal track sliding connection's rail wheel 12.
And the hydraulic jack is arranged along the extending direction of the transverse rail, and the output end of the hydraulic jack is fixedly supported on the side wall of the channel steel.
and, first track and second track are the multistage interval setting, and this interval department is connected with the track 5 of passing by the traffic accident through 6 regulation of switch.
In addition, the rail car and the connecting device (connecting hook) between the rail cars adopt mature products in the prior art, and the rail car comprises a plurality of sections of detachably connected battery cars 17, a muck carriage 18, a mortar car 16 and a segment car 15.
In addition, the length of each section of the first track and the second track is not less than 45m, the longitudinal extension of the shield well along the direction of the first track and the second track is not more than 17m, the total length of the rail car is not more than 46m, the maximum height is not more than 1.5m, the maximum width is not more than 2.7m, and the carrying capacity of each section of the muck carriage is 16 earthwork.
In addition, two groups of rail cars run on the preferable rail transport system simultaneously, each rail car comprises a first transport car, a second transport car, a first battery car and a second battery car, wherein each first transport car and each second transport car comprise a muck carriage, a mortar car and a duct piece car, and the first battery car and the second battery car can be connected to any position of the head end, the tail end or the middle part of each first transport car and each second transport car.
To more clearly illustrate the embodiments of the present invention, an example is provided below:
the system comprises a track traversing device arranged in a station end shield shaft, wherein the track traversing device can transversely move within a certain range and is in seamless butt joint with a first track or a second track laid in a track running area in a shield tunnel (or in a station), so that when one group of railcars is unloaded, the other group of railcars is loaded, and the operation is not interfered with each other.
The rail car dispatching method comprises the following steps:
The method comprises the following steps: when the single-ring tunneling of the shield construction is finished (tunnel face tunneling, duct piece laying and mortar discharging), a mortar tank on a mortar vehicle pulled by the storage battery car is filled through a pump pipe and is parked to a standby area (a wrong-way track) to be electrically stirred and wait (at the moment, the first transport vehicle is considered to be fully loaded and connected with the first storage battery car, and is located at the position of the first track to wait for the first transport vehicle;
Step two: starting a hydraulic jack to enable a track transverse moving device to be in butt joint with a first track, driving a first transport vehicle to drive the first transport vehicle to move onto the track transverse moving device from the first track, removing a connecting hook between the first storage battery vehicle and the first transport vehicle, loading and unloading muck, mortar and duct pieces by the first transport vehicle through a gantry crane on the ground, and returning the first storage battery vehicle to a shield wrong vehicle track through the first track to wait;
Step three: after the second step is finished, the hydraulic jack is started again to enable the rail transverse moving device to be in butt joint with the second rail, and the first transport vehicle is connected to the second battery car; at the moment, the second transport vehicle finishes loading and is connected to the returned first battery car, so that a loading and unloading cycle is finished, namely the first battery car drives the second transport vehicle again to sequentially repeat the first step, the second step and the third step; at the moment, the second battery car drives the first transport car to drive the first transport car to move to the wrong track to wait for loading mortar and muck;
In addition, in the present invention, the multi-line tunnel is constructed generally by a single line construction method or a double line simultaneous construction method from a station or a shield shaft (or a block wind shaft) designed separately. If two-line simultaneous construction is performed from a station, one or both of the following two conditions must be met: the first is that material (slag tapping) inlet and outlet are reserved at the corresponding position of the station top plate (middle plate), and the second adjacent interval tunnel is through. Otherwise, when the double-line construction of the superposed line tunnel is carried out, the shield wells at the two ends of the station can be only used for carrying out the construction.
the length of a shield end well (or a middle air shaft) is generally 17m under the split starting working condition of shield tunnel construction, and after the split starting stage is finished, double-line tracks (a first track and a second track) and installation turnouts and staggered tracks can be paved in the formed shield tunnel to meet the requirement of quick construction.
The invention solves the problem that the construction requirement of sequentially discharging slag and feeding materials from the shield wells at the ends of the stations of the rail cars which are arranged in a whole row can not be met because the adjacent tunnels are not communicated when the shield wells at the two ends of the stations are simply utilized for construction, particularly the tunnels below the superposed lines are constructed, effectively improves the slag soil throughput efficiency of the shield construction, and greatly shortens the construction period.
In addition, compared with the transportation and preparation time (shown in table 1) of the traditional construction equipment and method, the transportation and preparation time (shown in table 2) of the invention has obvious transportation capacity advantages, a storage battery car is often adopted to drive one carriage to reciprocate on a single track for transportation in the traditional construction, the method cannot synchronously carry out muck loading and unloading construction, and the volume of the single carriage cannot be enlarged due to the horizontal depth limit of the shield well, so that the transportation capacity is severely limited; the rail transport system effectively solves the problems, and the transport capacity of the rail transport system is 2 times that of the traditional construction equipment within the same time period as can be seen from comparison between the table 1 and the table 2.
it will be understood that modifications and variations can be made by persons skilled in the art in light of the above teachings and all such modifications and variations are intended to be included within the scope of the invention as defined in the appended claims.
Table 1: analysis of slag tapping construction time of rail transport system in prior art
Procedure duration schedule
Note:
1. The single-ring tunneling shutdown waiting time is 102min, the waiting time in the rings is too long, and no waiting time exists between the rings;
2. Because the space of the well mouth is narrow, only one soil box can be placed in each row of marshalling;
Table 2: rail transport system in this scheme construction time analysis of slagging tap
Procedure duration schedule
note:
1. the single-ring tunneling shutdown waiting time is 0min, and the shutdown waiting time between rings is 0 min;
2. The system is a battery car 3, a mortar car 3, a segment car 2, a soil box car 1, a Y-shaped turnout 1, a ring turnout 1 and a track transverse moving system.
Claims (3)
1. the utility model provides a subway shield tunnel slag tap fast uses rail transport system, includes the wrong car track of shield tunnel internal stability dress, its characterized in that: the device also comprises a first track and a second track which are arranged in parallel and at intervals in multiple sections, and a track transverse moving device which is slidably arranged in the shield shaft, wherein each section of the first track and each section of the second track are connected with a vehicle-crossing track through turnout adjustment; the track transverse moving device comprises a transverse track, a transverse moving support, a longitudinal track and a hydraulic jack, wherein the transverse track is fixed on a shield shaft bottom plate, and the transverse moving support is slidably supported on the transverse track; the top of the transverse moving support is fixedly provided with a longitudinal rail which is in adjusting connection with the first rail and the second rail; and a hydraulic jack for providing transverse moving power for the transverse moving support is fixedly arranged on the side wall of the shield shaft.
2. The rail transportation system for quick slag tapping of the subway shield tunnel according to claim 1, wherein: the transverse rails are provided with a plurality of groups, and the plurality of groups of transverse rails are uniformly distributed on a bottom plate of the shield shaft; the transverse rails are respectively supported with a transverse moving bracket in a sliding way, and the transverse moving brackets are welded and fixed through channel steel; the sideslip support includes two H shaped steel that set up along horizontal track extending direction symmetry to and the channel-section steel that sets up along longitudinal rail extending direction, wherein the inner wall of two H shaped steel passes through channel-section steel fixed connection, and rotate on the outer wall of two H shaped steel installation and horizontal track sliding connection's rail wheel.
3. The rail transportation system for quick slag tapping of the subway shield tunnel according to claim 1, wherein: the hydraulic jack is arranged along the extending direction of the transverse rail, and the output end of the hydraulic jack is fixedly supported on the side wall of the channel steel.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201910644860.1A CN110552712A (en) | 2019-07-17 | 2019-07-17 | Subway shield tunnel is discharged slag fast and is used rail transport system |
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CN201910644860.1A CN110552712A (en) | 2019-07-17 | 2019-07-17 | Subway shield tunnel is discharged slag fast and is used rail transport system |
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CN201910644860.1A Pending CN110552712A (en) | 2019-07-17 | 2019-07-17 | Subway shield tunnel is discharged slag fast and is used rail transport system |
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Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112523800A (en) * | 2020-11-27 | 2021-03-19 | 上海市基础工程集团有限公司 | Integral transverse moving platform in small-diameter shield well |
CN112593970A (en) * | 2020-12-17 | 2021-04-02 | 中国二十冶集团有限公司 | Pipe jacking muck feeding and abandoning track system |
CN113216990A (en) * | 2021-06-03 | 2021-08-06 | 中铁五局集团有限公司城市轨道交通工程分公司 | Starting and rapid slag discharging method in limited space of shield tunneling machine |
CN113338956A (en) * | 2021-05-31 | 2021-09-03 | 中国葛洲坝集团市政工程有限公司 | TBM shield follow-up type ferry trolley and using method |
CN113401830A (en) * | 2021-06-30 | 2021-09-17 | 中铁七局集团第五工程有限公司 | Subway shield constructs construction with full-automatic section of jurisdiction conveying system that goes into well |
CN114165285A (en) * | 2021-12-12 | 2022-03-11 | 枣庄矿业(集团)有限责任公司田陈煤矿 | Signal handle hook control device for trolley on upper and lower wellhead tracks of coal mine auxiliary vertical shaft |
CN115162072A (en) * | 2022-07-21 | 2022-10-11 | 中铁六局集团有限公司 | Device for transversely moving turnout junction by adopting hydraulic synchronous control equipment and construction method |
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2019
- 2019-07-17 CN CN201910644860.1A patent/CN110552712A/en active Pending
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112523800A (en) * | 2020-11-27 | 2021-03-19 | 上海市基础工程集团有限公司 | Integral transverse moving platform in small-diameter shield well |
CN112593970A (en) * | 2020-12-17 | 2021-04-02 | 中国二十冶集团有限公司 | Pipe jacking muck feeding and abandoning track system |
CN113338956A (en) * | 2021-05-31 | 2021-09-03 | 中国葛洲坝集团市政工程有限公司 | TBM shield follow-up type ferry trolley and using method |
CN113216990A (en) * | 2021-06-03 | 2021-08-06 | 中铁五局集团有限公司城市轨道交通工程分公司 | Starting and rapid slag discharging method in limited space of shield tunneling machine |
CN113401830A (en) * | 2021-06-30 | 2021-09-17 | 中铁七局集团第五工程有限公司 | Subway shield constructs construction with full-automatic section of jurisdiction conveying system that goes into well |
CN113401830B (en) * | 2021-06-30 | 2022-08-19 | 中铁七局集团第五工程有限公司 | Subway shield constructs construction with full-automatic section of jurisdiction conveying system that goes into well |
CN114165285A (en) * | 2021-12-12 | 2022-03-11 | 枣庄矿业(集团)有限责任公司田陈煤矿 | Signal handle hook control device for trolley on upper and lower wellhead tracks of coal mine auxiliary vertical shaft |
CN115162072A (en) * | 2022-07-21 | 2022-10-11 | 中铁六局集团有限公司 | Device for transversely moving turnout junction by adopting hydraulic synchronous control equipment and construction method |
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