CN111300626A - Shield constructs production line of section of jurisdiction - Google Patents
Shield constructs production line of section of jurisdiction Download PDFInfo
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- CN111300626A CN111300626A CN202010127666.9A CN202010127666A CN111300626A CN 111300626 A CN111300626 A CN 111300626A CN 202010127666 A CN202010127666 A CN 202010127666A CN 111300626 A CN111300626 A CN 111300626A
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 84
- 230000003068 static effect Effects 0.000 claims abstract description 71
- 238000012423 maintenance Methods 0.000 claims abstract description 55
- 238000005266 casting Methods 0.000 claims description 24
- 238000009413 insulation Methods 0.000 claims description 9
- 230000000284 resting effect Effects 0.000 claims description 7
- 238000004140 cleaning Methods 0.000 claims description 4
- 230000002787 reinforcement Effects 0.000 claims description 4
- 238000005507 spraying Methods 0.000 claims description 4
- 238000007599 discharging Methods 0.000 claims description 3
- 229910000831 Steel Inorganic materials 0.000 claims description 2
- 239000010959 steel Substances 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 10
- 238000005192 partition Methods 0.000 abstract description 9
- 238000009499 grossing Methods 0.000 abstract 1
- 208000027418 Wounds and injury Diseases 0.000 description 5
- 230000006378 damage Effects 0.000 description 5
- 208000014674 injury Diseases 0.000 description 5
- 238000012546 transfer Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 230000008859 change Effects 0.000 description 3
- 239000003795 chemical substances by application Substances 0.000 description 3
- 238000001816 cooling Methods 0.000 description 3
- 238000013461 design Methods 0.000 description 3
- 230000009467 reduction Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000005498 polishing Methods 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000000670 limiting effect Effects 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000002829 reductive effect Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000010025 steaming Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000032258 transport Effects 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B15/00—General arrangement or layout of plant ; Industrial outlines or plant installations
- B28B15/007—Plant with two or more identical shaping or moulding devices
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B11/00—Apparatus or processes for treating or working the shaped or preshaped articles
- B28B11/08—Apparatus or processes for treating or working the shaped or preshaped articles for reshaping the surface, e.g. smoothing, roughening, corrugating, making screw-threads
- B28B11/0845—Apparatus 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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B11/00—Apparatus or processes for treating or working the shaped or preshaped articles
- B28B11/24—Apparatus or processes for treating or working the shaped or preshaped articles for curing, setting or hardening
- B28B11/245—Curing concrete articles
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Ceramic Engineering (AREA)
- Mechanical Engineering (AREA)
- Structural Engineering (AREA)
- Lining And Supports For Tunnels (AREA)
Abstract
The invention discloses a shield segment production line. The production line of the shield segment sequentially comprises a pouring production line, a static curing line, a steam curing kiln, a demolding line and a mold conveying device; the pouring production line is used for pouring production duct pieces and carrying out standing maintenance and surface collection operation on the duct pieces; the static maintenance line is used for carrying out static maintenance and surface collection operation on the pipe sheets; the outlet and the inlet of the steam curing kiln are provided with kiln doors, and the steam curing kiln is used for performing steam curing on the duct pieces conveyed by the static curing line; the demolding station is used for demolding the duct piece subjected to steam curing; the mould conveying device is used for circularly conveying the moulds among a pouring production line, a static curing line, a steam curing kiln and a demoulding line. A static maintenance station is arranged outside the curing kiln so as to carry out the operation of smoothing and plastering, so that the workers do not need to enter the steam curing kiln for operation; the independent steam curing kiln with the kiln door is arranged, and the problem that the steam curing effect is poor due to the fact that the traditional through-type duct piece production line is not thoroughly divided by each temperature partition is solved.
Description
Technical Field
The invention relates to the field of shield segment manufacturing, in particular to a shield segment production line.
Background
At present, the production line of the subway shield segment has an independent kiln type production line and a conventional through kiln type production line.
Independent kiln formula production line does not have independent section of jurisdiction quiet maintenance district, needs operating personnel to get into the maintenance kiln and carries out the receipts light operation of plastering on of section of jurisdiction, and the adverse circumstances of steam damp and hot in the maintenance kiln causes bodily injury to operating personnel.
The kiln-through production line is provided with an independent static curing area, a mould on the kiln-through production line needs to sequentially pass through four areas of a static curing area, a temperature rising area, a constant temperature area and a cooling area after concrete is poured, but the curing kiln is of a kiln-through structure, a kiln door needs to be frequently opened when the mould enters and exits the kiln, steam flows out of the kiln, in addition, each temperature partition is separated by a heat-insulating curtain or the kiln door and is not thoroughly separated, each temperature partition is not strictly separated, each temperature partition cannot be absolutely independent and airtight, and therefore the steam among the temperature partitions can flow and flee mutually, and the steam curing effect is not ideal.
Disclosure of Invention
The invention aims to provide a shield segment production line, which aims to solve the problems that the severe environment of an independent kiln type production line causes personal injury to operators and the steaming effect of a kiln-through type production line is not ideal.
In order to achieve the aim, the production line of the shield segment adopts the following technical scheme:
a production line of shield segments sequentially comprises a pouring production line, a static curing line, a steam curing kiln, a demolding line and a mold conveying device; the casting production line comprises a mold cleaning and mold spraying release agent station, a steel reinforcement cage mold entering station, an embedded part loading station, a casting station and a plurality of static maintenance stations which are sequentially arranged at intervals, and is used for casting production duct pieces and performing static maintenance and surface collection operation on the duct pieces; the static maintenance line comprises a plurality of static maintenance stations and is used for carrying out static maintenance and face collection operation on the duct piece; the steam curing kiln comprises a plurality of steam curing stations, kiln doors are arranged at an outlet and an inlet of the steam curing kiln, and the steam curing kiln is used for performing steam curing on the duct pieces conveyed by the static curing line; the demolding line comprises a plurality of demolding stations, and the demolding stations are used for performing demolding operation on the duct piece subjected to steam curing; the mould conveying device is used for circularly conveying the moulds among the pouring production line, the static curing line, the steam curing kiln and the demoulding line.
Transporting the mould to a pouring production line by a mould transporting device to manufacture a pipe piece, carrying out primary plastering and secondary plastering at a static maintenance station of the pouring production line, transporting the mould and the pipe piece to the static maintenance line by the mould transporting device to continue static maintenance, wherein the pipe piece can also carry out secondary plastering in the static maintenance line, then transporting the pipe piece and the mould to mutually independent steam curing kilns by the mould transporting device to carry out steam curing, independently carrying out steam curing after all steam curing stations of each steam curing kiln are filled, transporting the mould and the pipe piece to a demoulding station by the mould transporting device to demould after the maintenance is finished, and transporting the mould to the pouring production line by the mould transporting device to manufacture the next round of pipe pieces after the demoulding is finished.
The method has the advantages that the collecting and polishing operation is carried out on the pouring production line and the static maintenance line, so that workers do not need to enter the steam curing kiln for collecting and polishing operation, and the personal injury to the workers caused by the high-temperature environment of the steam curing kiln is avoided; the setting has the independent steam curing kiln of kiln door, and all steam curing stations of same curing kiln are filled up and are being carried out steam curing, have solved that each temperature of tradition logical kiln formula section of jurisdiction production line divides the interval to separate and not thoroughly lead to steam to divide the interval to flow scurries, frequently open kiln door steam loss and cause the not good problem of section of jurisdiction steam curing effect at each temperature.
On the basis of the technical scheme, the invention can be further improved as follows:
further: the mould transporting device comprises a mould vehicle, a power device and a ground wheel conveying line laid on the pouring production line, the static curing line, the steam curing kiln and the demoulding line, wherein the mould vehicle is loaded with the mould, and the power device is used for driving the mould vehicle to move along the ground wheel conveying line.
Further: the pouring production line comprises a sound insulation room, the pouring station is arranged in the sound insulation room, and the pouring station is further connected with the concrete conveying line. The beneficial effect of this step: reduce the noise in the section of jurisdiction pouring production process through the room that gives sound insulation and to the influence of environment.
Further: the pouring production line is provided with two pouring production lines which are arranged at intervals. The beneficial effect of this step: two pouring lines are arranged on the production line, when one pouring line fails, the other pouring line runs normally, the whole production line does not stop production, and the normal production of the duct piece is not influenced
Further: the mould conveying device also comprises a static maintenance ferry vehicle, a kiln entering ferry vehicle, a kiln discharging ferry vehicle and a demoulding ferry vehicle; the rest ferry vehicle is arranged between the pouring production line and the rest line; the kiln entering ferry vehicle is arranged between the static curing line and the steam curing kiln; the kiln discharging ferry vehicle is arranged between the steam curing kiln and the demolding line; the demolding ferry vehicle is arranged between the demolding line and the pouring production line.
Further: the steam curing kilns are arranged at intervals, part of the steam curing kilns are distributed on the left side of the kiln entering ferry vehicle and form a curing area A, the rest of the steam curing kilns are distributed on the right side of the kiln entering ferry vehicle and form a curing area B, and a roller conveying line is arranged between the kiln exiting ferry vehicle located in the curing area A and the demolding line.
Compared with the prior art, the technical scheme of the application has the following advantages:
1. two pouring lines are arranged on the production line, when one pouring line breaks down, the other pouring line runs normally, the whole production line does not stop production, and the normal production of the duct piece is not influenced;
2. a static maintenance station is arranged outside the steam curing kiln, so that the primary and secondary plastering operations of the duct piece by an operator are facilitated, the operation of plastering and finishing the duct piece does not need to enter the steam curing kiln, and the personal injury to the operator caused by the high-temperature, damp and hot severe environment in the steam curing kiln is eliminated;
3. set up independent steam curing kiln, the kiln access & exit has all set up the kiln door, become independent airtight space certainly in the kiln, after the mould got into the curing kiln, close the kiln door, open steam, carry out steam curing, the loss of absolute closure and steam of each temperature subregion has effectively been ensured, the control requirement to temperature size and temperature variation rate has been reached, it scurries not thoroughly to lead to steam to divide interval at each temperature subregion to have solved each temperature subregion of traditional logical kiln formula section of jurisdiction production line, frequently open kiln door steam and run off and cause the not good problem of section of jurisdiction steam curing effect.
Drawings
In order to more clearly illustrate the detailed description of the invention or the technical solutions in the prior art, the drawings that are needed in the detailed description of the invention or the prior art will be briefly described below. Throughout the drawings, like elements or portions are generally identified by like reference numerals. In the drawings, elements or portions are not necessarily drawn to scale.
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural view of a casting line and a curing line;
FIG. 3 is a schematic view of the steam curing kiln.
The concrete production line comprises a pouring production line 1, a mould cleaning and mould spraying release agent station 101, a reinforcement cage mould entering station 102, an embedded part installing station 103, a pouring station 104, a static curing station 105, a sound insulation room 106, a concrete conveying trolley 107, a concrete mixing station 108, a static curing line 2, a steam curing kiln 3, a curing area A302, a curing area B302, a steam curing station 303, a demoulding line 4, a mould conveying device 5, a mould vehicle 501, a power device 502, a ground wheel conveying line 503, a static curing ferry vehicle 504, a kiln entering ferry vehicle 505, a kiln exiting ferry vehicle 506, a demoulding ferry vehicle 507 and a roller conveying line 6.
Detailed Description
Embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and therefore are only examples, and the protection scope of the present invention is not limited thereby.
It is to be noted that, unless otherwise specified, technical or scientific terms used herein shall have the ordinary meaning as understood by those skilled in the art to which the invention pertains.
In the description of the present application, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the invention.
DETAILED DESCRIPTION OF EMBODIMENT (S) OF INVENTION
As shown in fig. 1, a production line of shield segments sequentially comprises a pouring production line 1, a static curing line 2, a steam curing kiln 3, a demolding line 4 and a mold transporting device 5, wherein the mold transporting device 5 is used for circularly transporting molds among the pouring production line 1, the static curing line 2, the steam curing kiln 3 and the demolding line 4.
Specifically, as shown in fig. 2, the mold transporting device 5 includes a mold vehicle 501, a power device 502 and a lower margin wheel conveyor line 503 laid on the pouring production line 1, a static maintenance line 2, a steam curing kiln 3 and a demolding line 4, the mold vehicle 501 has a mold loaded thereon, the mold vehicle 501 is placed on the lower margin wheel conveyor line 503, the power device 502 is used for driving the mold vehicle 501 to move along the lower margin wheel conveyor line 503, the power device 502 includes a hydraulic cylinder and a hook, the hydraulic cylinder is arranged between the lower margin wheel conveyor lines 503, a plurality of hooks are installed on piston rods of the hydraulic cylinder, the hook is connected with the mold vehicle 501, and the hook moves through the piston rods, so that the hook drags the mold vehicle 501 to move.
Specifically, as shown in fig. 1 and 2, the production line of the shield segment comprises two casting lines 1 which are arranged in parallel at intervals, each casting line 1 comprises a mold cleaning and release agent spraying station 101, a reinforcement cage mold entering station 102, an embedded part loading station 103, a casting station 104 and nine static curing stations 105 which are arranged at intervals in sequence, wherein the casting station 104 is arranged in a sound insulation room 106, the casting station 104 is also connected with a concrete conveying line, the concrete conveying line comprises a concrete stirring station 108 and a concrete conveying trolley 107 which are built at nearby positions, the concrete conveying trolley 107 conveys concrete in the concrete stirring station 108 to the casting station 104, a distributing hopper is arranged in the casting station 104, and concrete is poured into a mold from the distributing hopper to complete the casting production of the segment; the static maintenance station 105 is arranged in the pouring production area, so that an operator can conveniently perform primary plastering and secondary plastering finishing operation on the duct piece poured by the pouring station 104 in the static maintenance station 105.
Specifically, as shown in fig. 1, the mold transporting device 5 further includes a static maintenance transfer cart 504 disposed between the casting line 1 and the static maintenance line 2, a vehicle-mounted hydraulic mold transferring system is disposed on the static maintenance transfer cart 504, the mold cart 501 carrying the duct piece and the mold is moved to the static maintenance transfer cart 504 through the vehicle-mounted hydraulic mold transferring system, the mold cart 501 carrying the duct piece and the mold is transported to a static maintenance transfer area through the static maintenance transfer cart 504, and the mold cart 501 carrying the duct piece and the mold is moved to the ground wheel conveying line 503 of the static maintenance line 2 through the vehicle-mounted hydraulic mold transferring system.
Specifically, as shown in fig. 1 and 2, the production line of the shield segment includes a static maintenance line 2, and the static maintenance line 2 includes six static maintenance stations 105; the operator can also perform the secondary finishing operation in the resting station 105 on the resting line 2.
Specifically, as shown in fig. 1, the mold conveying device 5 further includes a kiln entering shuttle 505 disposed between the static curing line 2 and the steam curing kiln 3, a vehicle-mounted hydraulic mold moving system is disposed on the kiln entering shuttle 505, the mold vehicle 501 loaded with the duct pieces and the molds is moved to the kiln entering shuttle 505 by the vehicle-mounted hydraulic mold moving system, then the mold vehicle 501 loaded with the duct pieces and the molds is conveyed to the steam curing kiln 3 by the kiln entering shuttle 505, and then the mold vehicle 501 loaded with the duct pieces and the molds is moved to the ground wheel conveying line 503 of the steam curing kiln 3 by the vehicle-mounted hydraulic mold moving system.
Specifically, as shown in fig. 1 and 3, thirteen steam curing kilns 3 are arranged at intervals, six steam curing kilns 3 and the static curing line 2 are distributed on the left side of the kiln entering ferry vehicle 505 to form a curing area a 301, the remaining seven steam curing kilns 3 are distributed on the right side of the kiln entering ferry vehicle 505 to form a curing area B302, six steam curing stations 303 are arranged in each steam curing kiln 3, and kiln doors are arranged at the outlet and the inlet of each steam curing kiln 3. When the steam curing kiln is used, the steam curing station 303 of the same steam curing kiln 3 is filled with the mold after six times of transportation by the kiln entering ferry vehicle 505, then the kiln door is closed, the next curing kiln is filled with the transportation mold, the curing kiln filled with the mold is opened with steam for steam curing, and the mold is sent out of the steam curing kiln 3 after the gradient change of the temperature in three stages of temperature rise, constant temperature and temperature reduction until the steam curing is finished by opening the kiln door.
And (3) explaining the steam curing process: and a steam pipeline with radiating fins and a humidifying steam pipeline are arranged in the steam curing kiln 3. And 2-4 temperature monitoring points are arranged in the kiln, so that temperature data in the kiln are collected in real time and transmitted to a temperature control system for data processing. And after the moulds at six stations in the kiln are all put in, starting steam to start steam curing. And in the steam curing temperature rise stage 1 hour after the steam is started, the production line temperature control system controls the steam electromagnetic valve to be opened, steam is fed into the curing kiln, the temperature in the kiln is raised, and meanwhile, the temperature is controlled in real time, so that the temperature rise speed is not more than 15 ℃ per hour. And after the temperature rise stage is finished, the temperature control system controls the electromagnetic valve to be opened and closed, the steam supply amount is adjusted, and the steam curing constant temperature stage is started. After the constant temperature stage is finished, the temperature control system controls the opening size of the electromagnetic valve, reduces or closes steam, and the steam curing enters the cooling stage. The temperature rise time is 1 hour, the constant temperature time is 2 hours, the temperature reduction time is 1 hour, and the total steam curing time is 4 hours.
Specifically, as shown in fig. 1 and 3, the mold conveying device 5 further includes a kiln exit shuttle 506 disposed at an outlet of the steam curing kiln 3 in the curing B area 302, a vehicle-mounted hydraulic mold moving system is disposed on the kiln exit shuttle 506, the mold vehicle 501 loaded with the duct piece and the mold is moved onto the kiln exit shuttle 506 by the vehicle-mounted hydraulic mold moving system, the mold vehicle 501 loaded with the duct piece and the mold is conveyed to the demolding line 4 by the kiln exit shuttle 506, and the mold vehicle 501 loaded with the duct piece and the mold is moved to the ground wheel conveying line 503 of the demolding line 4 by the vehicle-mounted hydraulic mold moving system.
Specifically, as shown in fig. 1, the mold conveying device 5 further includes a kiln exit shuttle 506 disposed at an outlet of the steam curing kiln 3 of the curing area a 301, a vehicle-mounted hydraulic mold moving system is disposed on the kiln exit shuttle 506, the mold vehicle 501 carrying the duct pieces and the molds is moved onto the kiln exit shuttle 506 by the vehicle-mounted hydraulic mold moving system, a 6-roller conveying line 6 is disposed between the kiln exit shuttle 506 of the curing area a 301 and the demolding line 4, and the roller conveying line 6 drives the rollers to rotate through a reduction motor; the out-of-kiln ferry vehicle 506 transports the mold vehicle 501 loaded with the duct piece and the mold to the roller conveying line 6, then the mold vehicle 501 loaded with the duct piece and the mold is moved to the roller through the vehicle-mounted hydraulic mold moving system, and the roller conveying line 6 drives the mold vehicle 501 to move to the demolding line 4.
Specifically, as shown in fig. 1, the mold conveying device 5 further includes a demolding shuttle 507 disposed between the demolding line 4 and the casting line 1, a vehicle-mounted hydraulic mold moving system is disposed on the demolding shuttle 507, after demolding, the mold carriage 501 carrying the mold is moved to the demolding shuttle 507 by the vehicle-mounted hydraulic mold moving system of the demolding shuttle 507, and then the mold carriage 501 and the mold are conveyed to the casting line 1 by the demolding shuttle 507, so as to perform the next production process such as segment casting and steam curing.
In this kind of shield constructs production line of section of jurisdiction, the time of resting is not less than 2 hours for 105 many stations of resting, satisfies the time requirement of resting maintenance completely, can guarantee that the concrete reaches better initial set effect and receipts water effect in the stage of resting. The static maintenance area is formed by static stations of the pouring production line 1 and the static maintenance line 2, and during construction in winter, the static maintenance area can be closed by adopting concrete cast-in-place or a sunlight plate, so that the temperature of the static maintenance area can be kept at about 30 ℃, and static maintenance of the duct piece is facilitated.
This kind of shield constructs production line of section of jurisdiction still has following structural feature, and the station in the operation area before station 104 is pour to the production line adopts the large-interval design between the station in room 106 that gives sound insulation, guarantees that there is sufficient operating space and the room door of room 106 that gives sound insulation between two mould cars 501 to open the space, and the operating personnel of being convenient for installs and opens and close tip mould and installation plug. Meanwhile, operators in the operation area are centralized, and the operators shuttle among the mould stations, so that a large-interval design can provide enough space to ensure the safety of the operators; the static maintenance area behind the casting station 104 mainly performs static maintenance after the duct piece is cast, the number of operators in the area is small, and the small-interval design is adopted among the static maintenance stations 105, so that the space can be saved, the space utilization rate is improved, and the occupied area is reduced.
The production line of the shield segment has the following advantages:
1. two pouring lines are arranged on the production line, when one pouring line breaks down, the other pouring line runs normally, the whole production line does not stop production, and the normal production of the duct piece is not influenced;
2. an independent static maintenance area is arranged, an operator completes primary wiping and secondary wiping and finishing operations of the duct piece in the static maintenance area outside the steam curing kiln, the operator does not need to enter the steam curing kiln for finishing and finishing operations, and personal injury to the operator caused by a high-temperature, damp and hot severe environment in the steam curing kiln is eliminated;
3. the static maintenance area is provided with enough static maintenance stations, the static maintenance time is long, the concrete is well guaranteed to reach a better initial setting effect and a water collecting effect in the static maintenance stage, and the cracking phenomenon of the duct piece after steam maintenance is avoided.
4. Through setting up thirteen centralized steam curing kilns, kiln access & exit have all set up the kiln door, become independent airtight space in the kiln by oneself, after the mould got into the curing kiln, close the kiln door, open steam, carry out steam curing, through the gradient change of the three stage temperature of intensification, constant temperature, cooling, until evaporating fostering and finishing, open the kiln door and send out the mould out of kiln. The kiln door is opened after the steam curing is finished in the curing mode, absolute sealing of each temperature partition and steam loss are effectively guaranteed, the control requirements on the temperature and the temperature change rate are met, and the problems that steam flows between each temperature partition and steam loss caused by frequent opening of the kiln door and steam maintenance effect is poor due to the fact that the separation between each temperature partition of a traditional through-type segment production line does not thoroughly result in steam flowing between each temperature partition are solved.
In the description of the present invention, numerous specific details are set forth. It is understood, however, that embodiments of the invention may be practiced without these specific details. In some instances, well-known methods, structures and techniques have not been shown in detail in order not to obscure an understanding of this description.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention, and they should be construed as being included in the following claims and description.
Claims (6)
1. A production line of shield segments is characterized by sequentially comprising a pouring production line, a static curing line, a steam curing kiln, a demolding line and a mold conveying device;
the casting production line comprises a mold cleaning and mold spraying release agent station, a steel reinforcement cage mold entering station, an embedded part loading station, a casting station and a plurality of static maintenance stations which are sequentially arranged at intervals, and is used for casting production duct pieces and performing static maintenance and surface collection operation on the duct pieces;
the static maintenance line comprises a plurality of static maintenance stations and is used for carrying out static maintenance and face collection operation on the duct piece;
the steam curing kiln comprises a plurality of steam curing stations, kiln doors are arranged at an outlet and an inlet of the steam curing kiln, and the steam curing kiln is used for performing steam curing on the duct pieces conveyed by the static curing line;
the demolding line comprises a plurality of demolding stations, and the demolding stations are used for performing demolding operation on the duct piece subjected to steam curing;
the mould conveying device is used for circularly conveying the moulds among the pouring production line, the static curing line, the steam curing kiln and the demoulding line.
2. The production line of claim 1, wherein the mould conveying device comprises a mould vehicle, a power device and a ground wheel conveying line laid on the pouring production line, the static curing line, the steam curing kiln and the demoulding line, the mould vehicle is loaded with the mould, and the power device is used for driving the mould vehicle to move along the ground wheel conveying line.
3. The production line of claim 1, wherein the casting line includes a sound insulation room, the casting station is disposed in the sound insulation room, and the casting station is further connected to a concrete conveying line.
4. The production line of claim 1, wherein the casting line is two and spaced apart from each other.
5. The production line of claim 1, wherein the mold handling device further comprises a resting shuttle, a kiln entry shuttle, a kiln exit shuttle, a demolding shuttle;
the rest ferry vehicle is arranged between the pouring production line and the rest line;
the kiln entering ferry vehicle is arranged between the static curing line and the steam curing kiln;
the kiln discharging ferry vehicle is arranged between the steam curing kiln and the demolding line;
the demolding ferry vehicle is arranged between the demolding line and the pouring production line.
6. The production line of claim 5, wherein the plurality of steam curing kilns are arranged at intervals, part of the steam curing kilns are distributed on the left side of the kiln entering ferry vehicle and form a curing area A, the rest part of the steam curing kilns are distributed on the right side of the kiln entering ferry vehicle and form a curing area B, and a roller conveying line is arranged between the kiln exiting ferry vehicle in the curing area A and the demolding line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010127666.9A CN111300626A (en) | 2020-02-28 | 2020-02-28 | Shield constructs production line of section of jurisdiction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010127666.9A CN111300626A (en) | 2020-02-28 | 2020-02-28 | Shield constructs production line of section of jurisdiction |
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| Publication Number | Publication Date |
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| CN111300626A true CN111300626A (en) | 2020-06-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010127666.9A Pending CN111300626A (en) | 2020-02-28 | 2020-02-28 | Shield constructs production line of section of jurisdiction |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112405819A (en) * | 2020-11-13 | 2021-02-26 | 北京市燕通建筑构件有限公司 | Flexible wallboard production line and production method |
| CN113043443A (en) * | 2021-03-31 | 2021-06-29 | 武汉建筑材料工业设计研究院有限公司 | Intelligent monitoring system and method for pre-curing kiln of fiber cement board/calcium silicate board production line |
| CN113427619A (en) * | 2021-05-18 | 2021-09-24 | 中铁十四局集团房桥有限公司 | Intelligent production line for pipe sheets and using method of intelligent production line |
| CN114311257A (en) * | 2021-12-28 | 2022-04-12 | 中铁十四局集团有限公司 | Maintenance system and maintenance system control method |
| CN116001078A (en) * | 2023-01-10 | 2023-04-25 | 中铁十四局集团房桥有限公司 | Automatic production system and production method for integral prefabricated box culvert |
| CN116968164A (en) * | 2023-09-12 | 2023-10-31 | 江苏丰和隧道设备有限公司 | Intelligent shield segment steam curing ex-warehouse control method and system |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112405819A (en) * | 2020-11-13 | 2021-02-26 | 北京市燕通建筑构件有限公司 | Flexible wallboard production line and production method |
| CN113043443A (en) * | 2021-03-31 | 2021-06-29 | 武汉建筑材料工业设计研究院有限公司 | Intelligent monitoring system and method for pre-curing kiln of fiber cement board/calcium silicate board production line |
| CN113427619A (en) * | 2021-05-18 | 2021-09-24 | 中铁十四局集团房桥有限公司 | Intelligent production line for pipe sheets and using method of intelligent production line |
| CN113427619B (en) * | 2021-05-18 | 2022-10-14 | 中铁十四局集团房桥有限公司 | Shield tunnel segment intelligent production line and using method thereof |
| CN114311257A (en) * | 2021-12-28 | 2022-04-12 | 中铁十四局集团有限公司 | Maintenance system and maintenance system control method |
| CN116001078A (en) * | 2023-01-10 | 2023-04-25 | 中铁十四局集团房桥有限公司 | Automatic production system and production method for integral prefabricated box culvert |
| CN116968164A (en) * | 2023-09-12 | 2023-10-31 | 江苏丰和隧道设备有限公司 | Intelligent shield segment steam curing ex-warehouse control method and system |
| CN116968164B (en) * | 2023-09-12 | 2024-02-06 | 江苏丰和隧道设备有限公司 | Intelligent shield segment steam curing ex-warehouse control method and system |
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Application publication date: 20200619 |