LU503570B1 - Construction system of subway shield segment production line informatization - Google Patents

Construction system of subway shield segment production line informatization Download PDF

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Publication number
LU503570B1
LU503570B1 LU503570A LU503570A LU503570B1 LU 503570 B1 LU503570 B1 LU 503570B1 LU 503570 A LU503570 A LU 503570A LU 503570 A LU503570 A LU 503570A LU 503570 B1 LU503570 B1 LU 503570B1
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LU
Luxembourg
Prior art keywords
mould
station
segment
temperature
construction system
Prior art date
Application number
LU503570A
Other languages
German (de)
Inventor
Tianmiao Song
Gang Chen
Sai Ma
Zhengwen Zhao
Ping Quan
Jintao Zhao
Chunlin Li
Rile Su
Fan Li
Xiaopeng Chen
Liyong Shang
Ling Qin
Original Assignee
China Railway No 9 Group Third Construction Co Ltd
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Application filed by China Railway No 9 Group Third Construction Co Ltd filed Critical China Railway No 9 Group Third Construction Co Ltd
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Publication of LU503570B1 publication Critical patent/LU503570B1/en

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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B28WORKING CEMENT, CLAY, OR STONE
    • B28BSHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28B5/00Producing shaped articles from the material in moulds or on moulding surfaces, carried or formed by, in or on conveyors irrespective of the manner of shaping
    • B28B5/04Producing shaped articles from the material in moulds or on moulding surfaces, carried or formed by, in or on conveyors irrespective of the manner of shaping in moulds moved in succession past one or more shaping stations
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B28WORKING CEMENT, CLAY, OR STONE
    • B28BSHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28B15/00General arrangement or layout of plant ; Industrial outlines or plant installations
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B28WORKING CEMENT, CLAY, OR STONE
    • B28BSHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28B11/00Apparatus or processes for treating or working the shaped or preshaped articles
    • B28B11/08Apparatus or processes for treating or working the shaped or preshaped articles for reshaping the surface, e.g. smoothing, roughening, corrugating, making screw-threads
    • B28B11/0845Apparatus or processes for treating or working the shaped or preshaped articles for reshaping the surface, e.g. smoothing, roughening, corrugating, making screw-threads for smoothing
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B28WORKING CEMENT, CLAY, OR STONE
    • B28BSHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28B11/00Apparatus or processes for treating or working the shaped or preshaped articles
    • B28B11/24Apparatus or processes for treating or working the shaped or preshaped articles for curing, setting or hardening
    • B28B11/245Curing concrete articles
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B28WORKING CEMENT, CLAY, OR STONE
    • B28BSHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28B11/00Apparatus or processes for treating or working the shaped or preshaped articles
    • B28B11/24Apparatus or processes for treating or working the shaped or preshaped articles for curing, setting or hardening
    • B28B11/245Curing concrete articles
    • B28B11/246Underwater curing
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B28WORKING CEMENT, CLAY, OR STONE
    • B28BSHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28B17/00Details of, or accessories for, apparatus for shaping the material; Auxiliary measures taken in connection with such shaping
    • B28B17/0063Control arrangements
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B28WORKING CEMENT, CLAY, OR STONE
    • B28BSHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28B17/00Details of, or accessories for, apparatus for shaping the material; Auxiliary measures taken in connection with such shaping
    • B28B17/0063Control arrangements
    • B28B17/0081Process control
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B28WORKING CEMENT, CLAY, OR STONE
    • B28BSHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28B23/00Arrangements specially adapted for the production of shaped articles with elements wholly or partly embedded in the moulding material; Production of reinforced objects
    • B28B23/02Arrangements specially adapted for the production of shaped articles with elements wholly or partly embedded in the moulding material; Production of reinforced objects wherein the elements are reinforcing members
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B28WORKING CEMENT, CLAY, OR STONE
    • B28BSHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28B7/00Moulds; Cores; Mandrels
    • B28B7/0002Auxiliary parts or elements of the mould
    • B28B7/0005Mould identification means, e.g. by radio frequency identification device [RFID]
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00Energy generation through renewable energy sources
    • Y02E10/20Hydro energy

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Ceramic Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Structural Engineering (AREA)
  • Automation & Control Theory (AREA)
  • On-Site Construction Work That Accompanies The Preparation And Application Of Concrete (AREA)
  • Lining And Supports For Tunnels (AREA)

Abstract

A construction system of subway shield segment production line informatization, wherein the construction system comprises a firing line, the firing line is arranged between a moulding excavation and a mould unloading excavation of the conservation area, the firing line comprises a plurality of construction station, and the construction station successively from the mould unloading excavation to the moulding excavation is: a mould opening station, a demoulding station and a mould cleaning station, a mould closing station, a mould detection station, a moulding station, a pouring station, a surface finishing station; The original "pedestal method" construction mode based on manual operation is changed, a new mode of prefabrication of streamlined segment is provided, each production link is effectively controlled, the degree of automatic production and production efficiency is improved.

Description

BL-5631
CONSTRUCTION SYSTEM OF SUBWAY SHIELD SEGMENT PRODUCTION LINE LUS03570
INFORMATIZATION
Background Field of the Invention
The present invention belongs to the technical field of the shield segment production, and particularly relates to a construction system of subway shield segment production line informatization.
Background Information
The shield segment is the innermost barrier of the subway tunnel, which bears the role of resisting soil pressure, groundwater pressure and some special loads. The production of the shield segment adopts factory-type production, the production process has developed from the previous ground mould construction process to the current domestic relatively mature flow production line construction process in China. The production of shield segments is completed through each production station in turn according to the time. Compared with the ground mould construction process, the production quality and capacity of the flow production line have been improved, but there are still problems of low automation and informationization.
Accordingly, there is a need to provide an improved solution to the above-mentioned deficiencies of the prior art.
SUMMARY
It is an object of the present invention to overcome the above-mentioned disadvantages of the prior art and to provide a construction system of subway shield segment production line — nformatization.
In order to achieve the above object, the present invention provides the following technical solutions:
A construction system of subway shield segment production line informatization, characterized in that, the construction system comprises a firing line, the firing line is arranged between a moulding excavation and a mould unloading excavation of conservation area, the firing line comprises a plurality of construction station, and the construction station successively from the mould unloading excavation to the moulding excavation is: 1
BL-5631
LU503570 amould opening station releasing a mould plate of mould in sequence in the manner of side mould before end mould; a demoulding station and a mould cleaning station lifting a segment from the mould plate to demould, and then lifting the segment to a temporary temperature-reduction region in workshop for storing; cleaning the mould after the demoulding of segment is completed, and coating a release agent on the mould plate after the cleaning is completed; a mould closing station performing the assembly of the mould in the manner of end mould before side mould; a mould detection station performing detection on the mould, and performing secondary mould opening and cleaning on the mould which does not comply with dimensional requirement; a moulding station hoisting a corresponding steel reinforcement framework into the mould, installing a pre-embedded part at a corresponding position of the mould, and closing a cover plate of the mould plate after the pre-embedded part is firmly installed; a pouring station performing concrete pouring, and starting a pneumatic vibrator to vibrate during pouring process after the mould is in place; a surface finishing station using an automatic edge banding machine to perform the surface finishing of the outer surface of the segment, and removing an elbow fixed core in the mould.
Advantageous Effects: The original "pedestal method" construction mode based on manual operation is changed, a new mode of prefabrication of streamlined segment is provided, each production link is effectively controlled, the degree of automatic production and production efficiency is improved.
BRIEF DESCRIPTION OF THE DRAWINGS
Fig. 1 is a structure schematic view of the construction system according to the present invention.
In the Fig. 1: 1-precuring region; 2-temperature-rising region; 3-temperature-constant region; 4- temperature-reduction region; 5-mould unloading excavation; 6-moulding excavation; 7-mould opening station; 8-demoulding station and mould cleaning station; 9-mould closing station; 10- mould detection station; 11-moulding station; 12-pouring station; 13-surface finishing station; 14- firing line; 15-aquaculture pond; 16-temporary temperature-reduction region; 17-mixing station. 2
BL-5631
DETAILED DESCRIPTION OF EMBODIMENTS LUS03570
As shown in the Fig.l, a construction system of subway shield segment production line informatization, characterized in that, the construction system comprises a firing line 14, the firing line 14 is arranged between a moulding excavation 6 and a mould unloading excavation 5 of conservation area, the firing line 14 comprises a plurality of construction station, and the construction station successively from the mould unloading excavation 5 to the moulding excavation 6 is: a mould opening station 7, releasing a mould plate of mould in sequence in the manner of side mould before end mould so as to ensure that all the four-sided steel moulds are opened, and to wait for demoulding; a demoulding station and a mould cleaning station 8, firstly removing the safety pins of the cover plates at the two sides , and then loosening four corner bolts of the side mould plate— four locking bolts of the side mould plate —two control bolts of the side mould plate and two control bolts of the end mould plate; using a suction cup-type hanger to a segment from the mould plate to demould, and then lifting the demoulded segment to a turnover machine for overturning, and then using a vertical clamp to lift the temporary temperature-reduction region in workshop for storing; cleaning the mould after the demoulding of segment is completed, and coating a release agent on the mould plate after the cleaning is completed; a mould closing station 9, performing the assembly of the mould in the manner of end mould before side mould; firstly, the end mould plate is assembled on both sides, and the control bolt of side mould plate is tightened using the quick wrench, and then the side mould plate on both sides are closed and the control bolt of side mould plate is tightened using the pneumatic wrench; the locking bolt of the side mould plate on both sides are tightened using the pneumatic wrench; the corner locking bolt of the side mould plate on both sides are tightened using the pneumatic wrench, in the above four steps, it is necessary to control the locking force, the step of tightening of the bolt cannot be reversed, and it is necessary to make visual inspection on the joint surface closure of mould while tightening the bolt; a mould detection station 10, using an inside micrometer to perform detection on the mould, and performing secondary mould opening and cleaning on the mould which does not comply with dimensional requirement; a mould detection station 10, using an inside micrometer to test a mould, and performing a second mould opening and cleaning on a mould which does not meet dimensional requirements; a moulding station 11, hoisting a corresponding steel reinforcement framework into the mould, installing a pre- embedded part at a corresponding position of the mould, and measuring the thickness of the 3
BL-5631
LU503570 protective layer (the inner side is 25mm and the outer side 1s 35mm), closing a cover plate of the mould plate after the pre-embedded part is firmly installed, and providing a steel reinforcement framework storage area is provided at the moulding station 11; a pouring station 12, after the mould is in place, the pneumatic vibrator pipeline of the mould plate is connected to the total pneumatic pipeline via a quick connector, and the concrete is poured via a distributor, and a pneumatic vibrator 1s started to vibrate during pouring process; after the pouring is completed, the vibrator pipeline of the mould is disconnected from the total pneumatic pipeline, the concrete distribution is concentratedly divided into three layers from the middle of the mould plate to perform distribution pouring, and continuously vibrating and forming (pouring the second layer to the lower part of the water-stopping groove), with the vibrating time of each layer being not less than 90s, and when it is observed that there is no injected gas at the concrete contact position during vibrating, the distribution 1s performed or vibrating is stopped. The vibration time shall be controlled to 4 ~ 6 minutes, without leakage or excessive vibration, so as to ensure that the concrete is vibrated and compacted; the test block is kept in this process; the concrete 1s produced by stirring with a mixer, and the produced concrete is poured into a mould through a distributor; a surface finishing station 13 , using an automatic edge banding machine to perform the surface finishing of the outer surface of the segment, and the automatic edge-collecting machine for segment consists of three parts that a driving mechanism, a swing arm assembly and a floating roller. The driving mechanism is fixed on the tamped foundation, and the swing arm assembly is driven to swing left and right according to apre-set angle of the system. A slideway and a jacking mechanism are provided in the swing arm assembly, wherein the slideway provides a movement track for the floating roller, and the jacking mechanism 1s used for lifting the floating roller to the top of the swing arm assembly when the segment mould is driven out, so as to avoid interference between the floating roller and the opened segment upper cover. The floating roller is closely adhered to the upper surface of the segment mould under the joint constraint of its own weight and the swing arm assembly, and retracts the surface of the segment under the push of the swing arm; at the same time, a vibration device is provided inside the floating roller to add a certain vibration while smoothing, so as to help the micro- precipitation of large particles and the precipitation of water on the surface of the segment, and to ensure the smoothness of the outer surface of the segment; and removing an elbow fixed core in the mould, hole collapse is prevented during the removal process, and the extraction time of the core 4
BL-5631
LU503570 rod should be determined according to weather, temperature and the degree of concrete hardening.
The core rod is cleaned and applied oil as it is pulled out.
In another alternative example, there are four steam curing channels at the conservation area, the four steam curing channels are juxtaposed between the moulding excavation 6 and the mould unloading excavation 5, the steam curing channel successively from the moulding excavation 6 to the mould unloading excavation 5 is a precuring region 1, a temperature-rising region 2, a tem perature-constant region 3 and a temperature-reduction region 4.
In another alternative example, the mould enters the conservation area from the surface finishing station 13 for performing steam curing, and at conservation area, temperature intelligent control of the steam curing is realized by a temperature sensing probe; the temperatures of the precuring region 1, the temperature-rising region 2, the temperature-constant region 3 and the temperature-reduction region 4 are different, and static stop time in each area is not less than 2h; wherein the temperature of the precuring region 1 is set at 25-35°C; the temperature of the temperature-rising region 2 is set at 45°C; the temperature of the temperature-constant region 3 is set at 50°C; the temperature- reduction region is not ventilated with steam, so as to perform natural cooling.
When the temperature is raised, the speed shall not exceed 15°C/h, so as to prevent shrinkage crack of segment when the temperature is raised too fast. The maximum curing temperature shall be 55°C, and keep it at the constant temperature for 3.5 h (constant temperature 3+60°C, relative humidity <<90%), and the cooling speed shall not exceed 15°C/h, and ensure that the temperature difference between segment and outside shall not exceed 20°C when demoulding. The temperature control table is checked every half hour during the whole process, and if it is found that the temperature deviation is too large, it shall be timely adjusted. The steam-curing control system performs maintenance control on the segment according to the steam-curing process, and sends the data of the temperature control area to central control module in real time, and the central control room can monitor the steam-curing temperature on site in real time, and at the same time can set the steam-curing line parameters, collect and display the temperature of each steam-curing area and the segment number of each station, and record the steam-curing data of each segment.
In another alternative example, the firing line 14 is a transfer rail, and as a driving power, the hydraulic device smoothly passes through each station, thereby performing streamlined work and improving the degree of automation and production efficiency. 5
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LU503570
In another alternative example, the aquaculture pond is arranged near temporary temperature- reduction region, after demoulding the segment, identification information is sprayed, the segment is cooled at the temporary temperature-reduction region until the temperature difference between the segment and the aquaculture pond is less than 20°C, the segment is hoisted to the aquaculture pond for curing, so that the segment is completely immersed in water, and the pH value of the aquaculture pond is 7-9. The identification information can be a two-dimensional code, and the number of aquaculture pond is recorded, the data of the aquaculture temperature and pH value of the aquaculture pond are collected, and the data of each current aquaculture pond are sent to the central control module in real time according to the aquaculture characteristics of the segment, and the central control module can monitor the aquaculture data on the spot in real time. After the aquaculture of the segment is completed and inspected to be qualified, the identification information is identified, the corresponding storage yard area is selected for storage yard, and the two- dimensional code is scanned to confirm the delivery.
In another alternative example, the construction system further comprises: a central control module, a station mould scanning module, a steam curing control module, a code-spraying module, and an aquaculture control module. The central control module has a display screen, and is used for displaying various construction parameters of the construction system, and mainly monitoring the operation time of the mould in each station of the production line, monitoring the real-time temperature in each conservation area of the steam-curing line, and monitoring the temperature and pH value in each aquaculture pond of the aquaculture area. The central control module has a segment management unit which can inquire the produced segment and the operation time of each station, and can combine and inquire the produced segment according to the production date, mould, type, direction, production line, status, engineering name, work area, model, contact net, serial number and code. Double-clicking and inquiring a certain segment can display the operation information of the segment production process; all data transmission, storage and action control are centralized in central control module, the automatic input of the production information and the automatic generation of the domestic record makes management efficiency improved.
The station mould scanning module is provided at each station, and the station mould scanning module 1s communicatively connected to the central control module, and is used for scanning and identifying a mould RFID chip at each station of the firing line so as to examine mould information 6
BL-5631
LU503570 at each station; the RFID chip is provided at the mould, and the RFID chip number, mould number, mould name and scanning time of the corresponding mould at each station of the production line can be seen through the central control module. The standardized node control and multi-line flow process layout respectively use RFID technology, and can automatically identify the mould code, the segment and mould data are transferred to the central control room server, and combined with the station process information in the central control room system software which shorten the length of the firing line and save the scale of capital construction.
The steam curing control module is communicatively connected to the central control module, is monitored and controlled the steaming temperature in each region of conservation area, the temperature is monitored by a temperature sensor, and is connected to a solenoid valve of a steam supply device for each region, thereby the steam control is performed according to the actual temperature.
The code-spraying module is arranged at the demoulding station and is communicatively connected to the central control module for spraying identification information on the segment; the code-spraying module is organically combined the code-spraying with the production and whole process management of segment to form the code-spraying system of the segment information management. At each station, the station mould scanning module receives the serial ID number of the segment, outputs the number to the number spraying machine, and automatically sprays the number on the segment by manual operation, and the contents of the code-spraying include: a two- dimensional code of segment number, a segment serial number, a production date, a segment model and other characters.
The aquaculture control module is arranged at the aquaculture pond, and is communicatively connected to the central control module, the identification information is firstly identified before the segment enters water, and the number of the aquaculture pond is recorded, the data of the aquaculture temperature and pH value of the aquaculture pond are collected, and the data of each current aquaculture pond are sent to the central control module in real time. The aquaculture control mterface displays the temperature value and pH value of each aquaculture pond in real time, and can remotely start or stop the aquaculture control. After the aquaculture is started, the interface will display the aquaculture state and solenoid valve state of each aquaculture pond as well as alarm information, and can display the temperature and pH value curve of each aquaculture pond. 7
BL-5631
LU503570
In another example, the construction system further comprises: a storage yard management module, a video monitoring module, a weighing module, a stirring recording module. The storage yard management module is communicatively connected to the central control module, and scans the identification information on the segment to select storage yard area for storage vard; the segment information in the storage yard can be inquired according to the conditions of date section, storage vard (engineering and work area), serial number and inquiry mode, preferably, the amount of each type of the steel bar can be counted according to yield and bill of materials.
The video monitoring module is communicatively connected to the central control module to perform video monitoring on construction site;
The weighing module is communicatively connected to the central control module, a entry-exit of transportation vehicles is weighed and recorded, and the detailed data of weighing can be queried according to date section and vehicle number.
The stirring recording module is communicatively connected to the central control module, records concrete produced in mixing station and associates each production batch of the concrete with the corresponding segment. The detailed data of stirring can be inquired according to the date section, production line and batch number of tray.
The central control module is a server, and has a storage unit to store various construction data.
Before entering the conservation area, the segment is subjected to a secondary water collection and plastering, the outer cambered surface of the segment is manually repaired and glazed, and the concrete surface is treated to eliminate an air holes on the outer cambered surface of the segment and pile defect at lower end, increase the impermeability performance of the segment and improve the appearance quality of the segment at the same time. It is necessary for the surface of the concrete to reach the initial solidification state after the secondary water collection and plastering, and it is necessary for the surface to perform a third water collection and plastering, when the above defects still exist after the secondary water collection and plastering. After the third water collection and plastering, the film is covered, the cover plate is closed and fixed with a special card, and it is waiting to enter the steam curing kiln for maintenance. Through the automation of production process, the manual operation is effectively reduced, the labor productivity is improved, the labor saving is 30%, the labor intensity is greatly reduced, and stable and efficient production capacity is formed.
In another alternative embodiment, a soundproof room is added to the road of pouring station of 8
BL-5631
LU503570 the concrete by using a sound barrier to provide a partition in the production area, the noise is reduced by 20%, is controlled within 70 dB, and a green working environment is achieved.
The present invention is applicable to the batch production of various shield lining segments as well as the batch production of other concrete prefabricated components. By using RFID technology, the mould enters a steam curing chamber for steam curing through demoulding station, mould cleaning station, the applying of the release agent station, the hoisting of the steel reinforcement cage station, the installing of the embedded components station, inspecting station and pouring station and the like, the data of each station is transmitted, and the server stored in a central control room 1s used for centralized control, and various technical parameters of the production process are monitored in real time, so as to realize the intelligent and informatization of segment production and comprehensively improve the production quality of segments. It will be appreciated that the above description is exemplary only. The examples herein are not intended to be limiting. 9

Claims (10)

BL-5631 CLAIMS: LU503570
1. A construction system of subway shield segment production line informatization, characterized in that, the construction system comprises a firing line, the firing line is arranged between a moulding excavation and a mould unloading excavation of conservation area, the firing line comprises a plurality of construction station, and the construction station successively from the mould unloading excavation to the moulding excavation is: amould opening station releasing a mould plate of mould in sequence in the manner of side mould before end mould; a demoulding station and a mould cleaning station lifting a segment from the mould plate to demould, and then lifting the segment to a temporary temperature-reduction region in workshop for storing; cleaning the mould after the demoulding of segment is completed, and coating a release agent on the mould plate after the cleaning is completed; a mould closing station performing the assembly of the mould in the manner of end mould before side mould; a mould detection station performing detection on the mould, and performing secondary mould opening and cleaning on the mould which does not comply with dimensional requirement; a moulding station hoisting a corresponding steel reinforcement framework into the mould, installing a pre-embedded part at a corresponding position of the mould, and closing a cover plate of the mould plate after the pre-embedded part is firmly installed; a pouring station performing concrete pouring, and starting a pneumatic vibrator to vibrate during pouring process after the mould is in place; a surface finishing station using an automatic edge banding machine to perform the surface finishing of the outer surface of the segment, and removing an elbow fixed core in the mould.
2. The construction system of subway shield segment production line informatization according to claim 1, characterized in that, there are four steam curing channels at the conservation area, the four steam curing channels are juxtaposed between the moulding excavation and the mould unloading excavation, the steam curing channel successively from the moulding excavation to the mould unloading excavation is a precuring region, a temperature-rising region, a temperature- constant region and a temperature-reduction region. 10
BL-5631 LU503570
3. The construction system of subway shield segment production line informatization according to claim 2, characterized in that, the mould enters the conservation area from the surface finishing station for performing steam curing, and at conservation area, temperature intelligent control of the steam curing is realized by a temperature sensing probe; the temperatures of the precuring region, the temperature-rising region, the temperature-constant region and the temperature-reduction region are different, and static stop time in each area is not less than 2h; wherein the temperature of the precuring region is set at 25-35°C; the temperature of the temperature-rising region is set at 45°C; the temperature of the temperature-constant region is set at 50°C; the temperature-reduction region is not ventilated with steam, so as to perform natural cooling.
4. The construction system of subway shield segment production line informatization according to claim 1, characterized in that, the firing line is a transfer rail, and as a driving power, the hydraulic device smoothly passes through each station.
5. The construction system of subway shield segment production line informatization according to claim 1, characterized in that, after demoulding the segment, identification information is sprayed, the segment is cooled at the temporary temperature-reduction region until the temperature difference between the segment and the aquaculture pond is less than 20°C, the segment is hoisted to the aquaculture pond for curing, so that the segment is completely immersed in water, and the pH value of the aquaculture pond is 7-9.
6. The construction system of subway shield segment production line informatization according to claim 5, characterized in that, the identification information is identified and corresponding storage vard area is selected for storage yard after the aquaculture of the segment is completed and mspected to be qualified.
7. The construction system of subway shield segment production line informatization according 11
BL-5631 LU503570 to claim 1, characterized in that, the construction system further comprises: a central control module which has a display screen, and is used for displaying various construction parameters of the construction system; a station mould scanning module being communicatively connected to the central control module, and being used for scanning and identifying a mould RFID chip at each station of the firing line so as to examine mould information at each station; a steam curing control module being communicatively connected to the central control module, monitoring and controlling the steaming temperature in each region of conservation area; a code-spraying module being arranged at the demoulding station and being communicatively connected to the central control module for spraying identification information on the segment; an aquaculture control module being arranged at the aquaculture pond, and being communicatively connected to the central control module, the identification information is firstly identified before the segment enters water, and the number of the aquaculture pond is recorded, the data of the aquaculture temperature and pH value of the aquaculture pond are collected, and the data of each current aquaculture pond are sent to the central control module in real time.
8. The construction system of subway shield segment production line informatization according to claim 7, characterized in that, the construction system further comprises: a storage yard management module being communicatively connected to the central control module, and scanning the identification information on the segment to select storage yard area for storage yard; a video monitoring module being communicatively connected to the central control module to perform video monitoring on construction site; a weighing module being communicatively connected to the central control module, weighing and recording an entry-exit of transportation vehicles; a stirring recording module being communicatively connected to the central control module, recording concrete produced in mixing station and associating each production batch of the concrete with the corresponding segment. 12
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9. The construction system of subway shield segment production line informatization according 7508570 to claim 7, characterized in that, the central control module is a server, and has a storage unit to store various construction data.
10. The construction system of subway shield segment production line informatization according to claim 1, characterized in that, before entering the conservation area, the segment is subjected to a secondary water collection and plastering, the outer cambered surface of the segment is manually repaired and glazed, and the concrete surface is treated to eliminate an air holes on the outer cambered surface of the segment and pile defect at lower end. 13
LU503570A 2022-06-30 2023-03-03 Construction system of subway shield segment production line informatization LU503570B1 (en)

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CN115826547B (en) * 2023-02-21 2023-04-28 青岛环球重工科技有限公司 Control system of flexible segment production line
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CN207606968U (en) * 2018-01-04 2018-07-13 天津第一市政公路工程有限公司 A kind of compartmented Full-automatic production line for shield duct piece
CN110181677A (en) * 2019-05-22 2019-08-30 江苏丰和隧道设备有限公司 A kind of subway segment automatic production line
CN110421698A (en) * 2019-06-25 2019-11-08 厦门三航混凝土有限公司 A kind of production management method of concrete shield duct piece

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