CN111136776B - Three-rail circulation operation device for precast beam high-low temperature series steam curing and working method thereof - Google Patents
Three-rail circulation operation device for precast beam high-low temperature series steam curing and working method thereof Download PDFInfo
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- CN111136776B CN111136776B CN202010122746.5A CN202010122746A CN111136776B CN 111136776 B CN111136776 B CN 111136776B CN 202010122746 A CN202010122746 A CN 202010122746A CN 111136776 B CN111136776 B CN 111136776B
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- 238000000034 method Methods 0.000 title claims abstract description 13
- 238000009417 prefabrication Methods 0.000 claims abstract description 12
- 238000001723 curing Methods 0.000 claims description 95
- 229910000831 Steel Inorganic materials 0.000 claims description 24
- 239000010959 steel Substances 0.000 claims description 24
- 239000004567 concrete Substances 0.000 claims description 18
- 238000012423 maintenance Methods 0.000 claims description 12
- 238000004519 manufacturing process Methods 0.000 claims description 6
- 238000009434 installation Methods 0.000 claims description 3
- 238000013035 low temperature curing Methods 0.000 claims description 3
- 238000000465 moulding Methods 0.000 claims description 3
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000010276 construction Methods 0.000 description 11
- 230000007547 defect Effects 0.000 description 2
- 229910001294 Reinforcing steel Inorganic materials 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 230000008520 organization Effects 0.000 description 1
- 239000011178 precast concrete Substances 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
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
-
- 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
-
- 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
- B28B23/00—Arrangements specially adapted for the production of shaped articles with elements wholly or partly embedded in the moulding material; Production of reinforced objects
- B28B23/02—Arrangements 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
- B28B23/04—Arrangements 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 the elements being stressed
- B28B23/043—Wire anchoring or tensioning means for the reinforcements
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Ceramic Engineering (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Structural Engineering (AREA)
- Devices For Post-Treatments, Processing, Supply, Discharge, And Other Processes (AREA)
- Bridges Or Land Bridges (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
Abstract
The invention relates to a three-rail circulation operation device for high-low temperature series steam curing of precast beams and a working method thereof. The device and the working method thereof are beneficial to saving the prefabrication site, improving the girder making efficiency and obviously reducing the cost while effectively ensuring the prefabrication quality.
Description
Technical Field
The invention belongs to the technical field of precast beam production, and particularly relates to a three-rail circulation operation device for high-low temperature series steam curing of precast beams and a working method thereof.
Background
In recent decades, along with the rapid development of traffic industry in China, a large number of bridges are built in China, and the precast concrete beam bridge is widely applied in China due to the characteristics of good structural performance, low construction cost, attractive appearance, convenient construction and the like.
The traditional precast beam body construction mode has the defects that the precast site is low in use efficiency, the production efficiency of the whole precast beam is further affected, the traditional construction method of 'fixing a construction area and circulating construction working procedures' has the defects of low working procedure alternate operation construction efficiency, insufficient utilization rate of labor force and mechanical equipment, large precast site, long maintenance period, difficult guarantee of construction quality and the like from the aspects of construction organization design and spray maintenance construction technology.
Disclosure of Invention
The invention aims to provide a three-rail circulation operation device for high-low temperature series steam curing of precast beams and a working method thereof.
In order to achieve the above purpose, the invention adopts the following technical scheme: the utility model provides a three-rail circulation operation device of precast beam high low temperature series connection steam curing, includes battery powered tractor, flatbed trolley, three oblong operation track and tandem operation system, tandem operation system is including installing and removing and reinforcing bar child mould district, concrete placement district, high low temperature series connection's steam curing district and prestressing force stretch district along the template that the operation advancing direction set gradually, three oblong operation track includes a power track that is used for setting up battery powered tractor and parallel arrangement in its both sides in order to set up the flatbed trolley two walking tracks, battery powered tractor advances along the walking track along a plurality of flatbed trolley that power track traction modulization is connected, gets into each working area of tandem operation system in proper order to the quick prefabrication of precast beam is accomplished to closed cycle mode.
Further, at least two sets of serial operation systems are arranged on the three oblong operation tracks, and a corresponding number of battery-powered tractors are arranged on the three oblong operation tracks, so that the flat trolley is respectively pulled by the battery-powered tractors to simultaneously perform rapid prefabrication of the precast beams.
Further, the steam curing area mainly comprises a first low-temperature steam curing chamber, a high-temperature steam curing chamber and a second low-temperature steam curing chamber which are sequentially connected in series, an access control capable of being automatically opened and closed is arranged at the front part and the rear part of each steam curing chamber, and the battery-powered tractor pulls each flat trolley to sequentially enter the first low-temperature steam curing chamber, the high-temperature steam curing chamber and the second low-temperature steam curing chamber, so that precast Liang Jiexu poured and placed on each flat trolley enters the first low-temperature steam curing chamber, the high-temperature steam curing chamber and the second low-temperature steam curing chamber which are suitable for the increase of the precast beam concrete strength, and the curing of the precast beam is completed.
Further, the battery-powered tractor mainly comprises a frame, a gear motor, two pairs of movable wheel shafts, a pair of positioning clamping shafts, a storage battery pack, an intelligent controller and a relay, wherein the storage battery pack supplies power for the gear motor and the intelligent controller; the relay and the positioning clamp shaft are arranged beside the power track web plate, the relay controls the positioning clamp shaft to reciprocate, the positioning clamp shaft is driven to be inserted into a positioning hole on the power track web plate to brake after the relay is electrified, and the positioning clamp shaft is driven to move out of the positioning hole to release the brake after the relay is powered off; the intelligent controller is respectively and electrically connected with the control input end of the gear motor and the relay so as to control the gear motor to work and the relay to be powered on and off.
Further, the power rail is a steel rail formed by an upper flange plate, a web plate and a lower flange plate, and positioning holes are formed in the web plate at intervals along the length direction of the power rail so as to be matched with a positioning clamping shaft of the battery-powered tractor to realize accurate braking limiting.
Further, the flat trolley mainly comprises a pressure-bearing flat steel plate, transverse and longitudinal stiffening ribs arranged at the bottom of the flat steel plate, and four T-shaped steel unilateral wheel shafts, the flat trolley is erected on the two traveling rails through the T-shaped steel unilateral wheel shafts so as to prevent sliding and derailment, and the flat trolley is connected with movable bolts through steel pull rods to realize modular connection between the flat trolleys.
The invention also provides a working method of the three-rail circulation operation device for the high-low temperature series steam curing of the precast beam, which comprises the following steps:
(1) Installing battery-powered tractors on the power rails of the three established oblong operation rails, installing a certain number of flat trolleys on the two traveling rails according to the production requirements of the precast beams and the maximum operation capacity of the rails, and connecting the flat trolleys in a modular manner and then connecting the flat trolleys with the battery-powered tractors;
(2) The battery-powered tractor pulls the flat trolley to advance, the flat trolley enters a template assembly and disassembly and steel bar moulding bed area to mount a template and a steel bar framework, and then pulls the flat trolley to move to a concrete pouring area to pour beam concrete;
(3) The battery-powered tractor pulls the first batch of flat trolleys and the precast beams on which the concrete pouring is completed to move to a first low-temperature steam curing chamber of the steam curing system; after the prefabricated beams on the first batch of flat trolleys meet the requirement of primary maintenance, the battery-powered tractor pulls the first batch of flat trolleys and the prefabricated Liang Likai first low-temperature steam curing chambers on the first batch of flat trolleys and enters the high-temperature steam curing chambers, and at the moment, the second batch of flat trolleys and the prefabricated Liang Jinru first low-temperature steam curing chambers on the second batch of flat trolleys; after the precast beams on the first batch of flat trolleys meet the strength requirement, the battery-powered tractor pulls the first batch of flat trolleys and precast beams on the first batch of flat trolleys to leave the high-temperature steam curing chamber and enter the second low-temperature steam curing chamber, at the moment, the second batch of flat trolleys and precast Liang Likai on the second batch of flat trolleys enter the high-temperature steam curing chamber, and the third flat trolleys and precast Liang Jinru on the third flat trolleys enter the high-temperature steam curing chamber; after the precast beams on the first batch of flat trolleys are cured, the battery-powered tractor pulls the first batch of flat trolleys and the precast Liang Likai on the first batch of flat trolleys to leave the steam curing system, wherein the second batch of flat trolleys and the precast beams on the second batch of flat trolleys leave the high-temperature curing chamber and enter the second low-temperature curing chamber, and the third batch of flat trolleys and the precast Liang Likai on the third batch of flat trolleys enter the high-temperature curing chamber after leaving the high-temperature curing chamber; according to the rule, the low, high and low temperature maintenance of the precast beams on all the flat trolleys is completed;
(4) The precast beam after field maintenance moves to a prestress tensioning area along with the flat trolley, and the installation, tensioning and grouting of a prestress cable are carried out;
(5) And conveying or lifting the beam body to a beam storage area, and moving the flat trolley to a prefabrication work area of the next beam body.
Compared with the prior art, the invention has the following beneficial effects: the invention adopts a closed circulation operation mode, completes each working procedure task of the precast beam in an independent and regional way, provides a high-low temperature steam curing environment suitable for the increase of the concrete strength of the precast beam, fully utilizes labor force, mechanical equipment and a steam curing system, saves the precast site, improves the efficiency and quality of the precast beam body, and saves the beam manufacturing cost. The method can be widely applied to the rapid prefabrication construction of the concrete bridge body, and has high economic and social values and market popularization potential.
Drawings
Fig. 1 is a schematic view of the structure of an apparatus according to an embodiment of the present invention.
Fig. 2 is a schematic diagram of a battery-powered tractor in accordance with an embodiment of the invention.
Fig. 3 is a schematic drawing of the traction of the flatbed trolley in the embodiment of the present invention.
Detailed Description
The invention will be described in further detail with reference to the accompanying drawings and specific examples.
As shown in fig. 1, the three-rail circulation operation device for high-low temperature series steam curing of precast beams provided by the invention comprises a battery-powered tractor 1, a flat trolley 2, three oblong operation rails 3 and a series operation system, wherein the series operation system comprises a template assembly and disassembly and reinforcement matrix area 4, a concrete pouring area 5, a high-low temperature series steam curing area 6 and a prestress tensioning area 7 which are sequentially arranged along the operation travelling direction, and the three oblong operation rails 3 comprise a power rail 301 for erecting the battery-powered tractor 1 and two travelling rails 302 which are parallelly arranged on two sides of the power rail for erecting the flat trolley 2. The battery-powered tractor 1 pulls a plurality of flat trolleys 2 which are connected in a modularized manner along a power track 301 to travel along a traveling track 302, and sequentially enters each working area (a template assembling and disassembling and reinforcing steel bar forming area 4, a concrete pouring area 5, a high-low temperature serial steam curing area 6 and a prestress tensioning area 7) of a serial operation system, so that the rapid prefabrication of the precast beam is completed in a closed circulation mode.
In order to fully exert the advantages of the multi-position synchronous operation of the invention, at least two sets of serial operation systems are arranged on the three oblong operation tracks 3, and a corresponding number of battery-powered tractors 1 are arranged, so that the flat trolley 2 is respectively pulled by the plurality of battery-powered tractors 1 to simultaneously perform rapid prefabrication of the precast beams.
In this embodiment, the steam curing area 6 is mainly composed of a first low-temperature steam curing chamber 601, a high-temperature steam curing chamber 602 and a second low-temperature steam curing chamber 603 which are sequentially connected in series, the front part and the rear part of each steam curing chamber are respectively provided with an access control which can be automatically opened and closed under the control of a system, the battery-powered tractor 1 pulls each flat trolley 2 to sequentially enter the first low-temperature steam curing chamber 601, the high-temperature steam curing chamber 602 and the second low-temperature steam curing chamber 603, so that the precast Liang Jiexu poured and placed on each flat trolley enters the first low-temperature steam curing chamber, the high-temperature steam curing chamber and the second low-temperature steam curing chamber which are suitable for the increase of the precast beam concrete strength, and the precast beam is rapidly, efficiently and energy-saving cured.
As shown in fig. 2, the battery-powered tractor 1 mainly comprises a frame 107, a gear motor 101, two pairs of movable axles 102, a pair of positioning clamping shafts 103, a storage battery set 104, an intelligent controller 105 and a relay 106, wherein the storage battery set 104 supplies power to the gear motor 101 and the intelligent controller 105, the movable axles 102 are rotatably connected with the frame 107 through bearing seats, a transmission gear 108 at one end of each of the two pairs of movable axles 102 is respectively matched with a motor gear 109 of the gear motor 101, and a movable wheel 110 at the other end of each of the two pairs of movable axles 102 is tightly clamped with an upper flange 3011 of a power rail 301 so as to enable the movable wheel 110 to be in friction with the upper flange 3011 of the power rail under the driving of the gear motor 101 to generate traction force to drive the battery-powered tractor 1 and the flat trolley 2 to move. Because the upper flange 3011 of the power track has a certain width, the frame 107 can be supported, and the movable wheel axle pair clamps the power track from two sides of the upper flange 3011, the overall stability of the movement of the battery-powered tractor 1 on the power track 301 can be ensured. The relay 106 and the positioning clamp shaft 103 are also arranged on the frame 107 and are arranged beside the power track web 3012, the relay 106 controls the positioning clamp shaft 103 to reciprocate, the positioning clamp shaft 103 is driven to be inserted into the positioning hole 3014 on the power track web 3012 to brake after the relay 106 is electrified, and the positioning clamp shaft 103 is driven to move out of the positioning hole 3014 to release the brake after the relay 106 is powered off. The intelligent controller 105 is electrically connected with the control input end of the gear motor 101 and the relay 106 respectively, so as to control the gear motor 101 to work and the relay 106 to be powered on and powered off. Correspondingly, the power rail 301 is a steel rail formed by an upper flange plate 3011, a web 3012 and a lower flange plate 3013, and positioning holes 3014 are formed in the web 3012 at intervals along the length direction of the power rail so as to be matched with a positioning clamping shaft of a battery-powered tractor to realize accurate braking limiting.
As shown in fig. 3, the flat-plate trolley 2 mainly comprises a pressure-bearing flat steel plate 201, transverse and longitudinal stiffening ribs 202 arranged at the bottom of the flat-plate trolley, and four T-shaped steel unilateral wheel shafts 203, wherein the flat-plate trolley 2 is erected on the two traveling rails 302 through the T-shaped steel unilateral wheel shafts 203 so as to prevent sliding and derailing, and the flat-plate trolley 2 is connected with movable bolts through steel pull rods to realize modular connection between the flat-plate trolleys.
The invention also provides a working method of the three-rail circulation operation device for the high-low temperature series steam curing of the precast beam, which comprises the following steps:
(1) And installing battery-powered tractors on the power rails of the three established oblong operation rails, installing a certain number of flat trolleys on the two walking rails according to the production requirements of the precast beams and the maximum operation capacity of the rails, and connecting the flat trolleys with the battery-powered tractors after modular connection.
(2) The battery-powered tractor pulls the flat trolley to advance, the flat trolley enters a template assembly and disassembly and steel bar tire mold area for template and steel bar framework installation, and then pulls the flat trolley to move to a concrete pouring area for pouring beam concrete.
(3) The battery-powered tractor pulls the first batch of flat trolleys and the precast beams on which the concrete pouring is completed to move to a first low-temperature steam curing chamber of the steam curing system; after the prefabricated beams on the first batch of flat trolleys meet the requirement of primary maintenance, the battery-powered tractor pulls the first batch of flat trolleys and the prefabricated Liang Likai first low-temperature steam curing chambers on the first batch of flat trolleys and enters the high-temperature steam curing chambers, and at the moment, the second batch of flat trolleys and the prefabricated Liang Jinru first low-temperature steam curing chambers on the second batch of flat trolleys; after the precast beams on the first batch of flat trolleys meet the strength requirement, the battery-powered tractor pulls the first batch of flat trolleys and precast beams on the first batch of flat trolleys to leave the high-temperature steam curing chamber and enter the second low-temperature steam curing chamber, at the moment, the second batch of flat trolleys and precast Liang Likai on the second batch of flat trolleys enter the high-temperature steam curing chamber, and the third batch of flat trolleys and precast Liang Jinru on the third batch of flat trolleys enter the high-temperature steam curing chamber; after the precast beams on the first batch of flat trolleys are cured, the battery-powered tractor pulls the first batch of flat trolleys and the precast Liang Likai on the first batch of flat trolleys to leave the steam curing system, wherein the second batch of flat trolleys and the precast beams on the second batch of flat trolleys leave the high-temperature curing chamber and enter the second low-temperature curing chamber, and the third batch of flat trolleys and the precast Liang Likai on the third batch of flat trolleys enter the high-temperature curing chamber after leaving the high-temperature curing chamber; and (3) completing the low, high and low temperature maintenance of the precast beams on all the flat trolleys according to the rule.
(4) And the precast beam after field maintenance moves to a prestress tensioning area along with the flat trolley, and the prestress cables are installed, tensioned and grouted.
(5) And conveying or lifting the beam body to a beam storage area, and moving the flat trolley to a prefabrication work area of the next beam body.
In order to improve the service life of the rechargeable tractor, in other embodiments of the present invention, a winch may be disposed on the rechargeable tractor, the rechargeable tractor pulls the flat trolley via a pulling rope on the winch, and the intelligent controller is electrically connected to a control input end of the winch to control the winch to adjust the length of the pulling rope, so that the rechargeable tractor is located outside the steam curing system when the flat trolley enters the steam curing system. When the rechargeable tractor pulls the flat trolley into the steam curing system, the length of the pulling rope is prolonged by the rechargeable tractor through the winch on the rechargeable tractor, and the rechargeable tractor continues to travel until leaving the steam curing system on the premise of keeping the flat trolley motionless, so that the influence on the service life of the rechargeable tractor due to the fact that the rechargeable tractor is in a high-temperature environment for a long time is avoided. When the precast beam on the flat trolley finishes the maintenance of the previous steam curing room and needs to enter the next steam curing room, the traction rope is rolled up by the winch to finish the traction of the flat trolley.
The above is a preferred embodiment of the present invention, and all changes made according to the technical solution of the present invention belong to the protection scope of the present invention when the generated functional effects do not exceed the scope of the technical solution of the present invention.
Claims (2)
1. The three-rail circulation operation device is characterized by comprising a battery-powered tractor, a flat trolley, three oblong operation rails and a serial operation system, wherein the serial operation system comprises a template assembly and disassembly and steel bar moulding bed area, a concrete pouring area, a steam curing area and a prestress tensioning area which are sequentially arranged along the operation travelling direction, the steam curing area is connected in series at high temperature and low temperature, the three oblong operation rails comprise a power rail for erecting the battery-powered tractor and two travelling rails which are parallelly arranged at two sides of the power rail for erecting the flat trolley, the battery-powered tractor travels along the travelling rails along the plurality of flat trolley which are connected in a modular manner by traction of the power rail, and sequentially enters each working area of the serial operation system to finish the rapid prefabrication of the precast beam in a closed circulation manner;
At least two sets of serial operation systems are arranged on the three oblong operation tracks, and a corresponding number of battery-powered tractors are arranged on the three oblong operation tracks so as to respectively drag the flat trolley through the plurality of battery-powered tractors and simultaneously perform rapid prefabrication of the prefabricated beams;
the steam curing zone mainly comprises a first low-temperature steam curing chamber, a high-temperature steam curing chamber and a second low-temperature steam curing chamber which are sequentially connected in series, wherein an access control capable of being automatically opened and closed is arranged at the front part and the rear part of each steam curing chamber, the battery-powered tractor pulls each flat trolley to sequentially enter the first low-temperature steam curing chamber, the high-temperature steam curing chamber and the second low-temperature steam curing chamber, so that precast Liang Jiexu poured and placed on each flat trolley enters the first low-temperature steam curing chamber, the high-temperature steam curing chamber and the second low-temperature steam curing chamber which are suitable for the increase of precast beam concrete strength, and the curing of precast beams is completed;
The battery-powered traction machine mainly comprises a frame, a gear motor, two pairs of movable wheel shafts, a pair of positioning clamping shafts, a storage battery pack, an intelligent controller and a relay, wherein the storage battery pack is used for supplying power to the gear motor and the intelligent controller; the relay and the positioning clamp shaft are arranged beside the power track web plate, the relay controls the positioning clamp shaft to reciprocate, the positioning clamp shaft is driven to be inserted into a positioning hole on the power track web plate to brake after the relay is electrified, and the positioning clamp shaft is driven to move out of the positioning hole to release the brake after the relay is powered off; the intelligent controller is respectively and electrically connected with the control input end of the gear motor and the relay to control the gear motor to work and the relay to be powered on and off;
The power rail is a steel rail formed by an upper flange plate, a web plate and a lower flange plate, and positioning holes are formed in the web plate at intervals along the length direction of the power rail so as to be matched with a positioning clamping shaft of the battery-powered tractor to realize accurate braking limit;
The flat trolley mainly comprises a pressure-bearing flat steel plate, transverse and longitudinal stiffening ribs arranged at the bottom of the flat steel plate, and four T-shaped steel unilateral wheel shafts, and is erected on the two traveling rails through the T-shaped steel unilateral wheel shafts so as to prevent sliding derailment, and the flat trolley is connected with movable bolts through steel pull rods to realize modular connection among the flat trolleys.
2. A method of operating a three-rail circulation device for high and low temperature serial steam curing of precast beams as claimed in claim 1, comprising the steps of:
(1) Installing battery-powered tractors on the power rails of the three established oblong operation rails, installing a certain number of flat trolleys on the two traveling rails according to the production requirements of the precast beams and the maximum operation capacity of the rails, and connecting the flat trolleys in a modular manner and then connecting the flat trolleys with the battery-powered tractors;
(2) The battery-powered tractor pulls the flat trolley to advance, the flat trolley enters a template assembly and disassembly and steel bar moulding bed area to mount a template and a steel bar framework, and then pulls the flat trolley to move to a concrete pouring area to pour beam concrete;
(3) The battery-powered tractor pulls the first batch of flat trolleys and the precast beams on which the concrete pouring is completed to move to a first low-temperature steam curing chamber of the steam curing system; after the prefabricated beams on the first batch of flat trolleys meet the requirement of primary maintenance, the battery-powered tractor pulls the first batch of flat trolleys and the prefabricated Liang Likai first low-temperature steam curing chambers on the first batch of flat trolleys and enters the high-temperature steam curing chambers, and at the moment, the second batch of flat trolleys and the prefabricated Liang Jinru first low-temperature steam curing chambers on the second batch of flat trolleys; after the precast beams on the first batch of flat trolleys meet the strength requirement, the battery-powered tractor pulls the first batch of flat trolleys and precast beams on the first batch of flat trolleys to leave the high-temperature steam curing chamber and enter the second low-temperature steam curing chamber, at the moment, the second batch of flat trolleys and precast Liang Likai on the second batch of flat trolleys enter the high-temperature steam curing chamber, and the third batch of flat trolleys and precast Liang Jinru on the third batch of flat trolleys enter the high-temperature steam curing chamber; after the precast beams on the first batch of flat trolleys are cured, the battery-powered tractor pulls the first batch of flat trolleys and the precast Liang Likai on the first batch of flat trolleys to leave the steam curing system, wherein the second batch of flat trolleys and the precast beams on the second batch of flat trolleys leave the high-temperature curing chamber and enter the second low-temperature curing chamber, and the third batch of flat trolleys and the precast Liang Likai on the third batch of flat trolleys enter the high-temperature curing chamber after leaving the high-temperature curing chamber; according to the rule, the low, high and low temperature maintenance of the precast beams on all batches of flat trolleys is completed;
(4) The precast beam after field maintenance moves to a prestress tensioning area along with the flat trolley, and the installation, tensioning and grouting of a prestress cable are carried out;
(5) And conveying or lifting the beam body to a beam storage area, and moving the flat trolley to a prefabrication work area of the next beam body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010122746.5A CN111136776B (en) | 2020-02-27 | 2020-02-27 | Three-rail circulation operation device for precast beam high-low temperature series steam curing and working method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010122746.5A CN111136776B (en) | 2020-02-27 | 2020-02-27 | Three-rail circulation operation device for precast beam high-low temperature series steam curing and working method thereof |
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| CN111136776A CN111136776A (en) | 2020-05-12 |
| CN111136776B true CN111136776B (en) | 2024-07-05 |
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| CN113977756A (en) * | 2021-11-17 | 2022-01-28 | 中铁一局集团有限公司 | Prefabricated T-beam steam curing module and annular production line |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN211806876U (en) * | 2020-02-27 | 2020-10-30 | 福州大学 | Three-rail circulating operation device for high-low temperature series steam curing of precast beam |
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| JP2560105B2 (en) * | 1989-02-17 | 1996-12-04 | 株式会社ジオトップ | Method and apparatus for steam curing concrete columns |
| CN107584650A (en) * | 2017-11-03 | 2018-01-16 | 福州大学 | Using the bridge prefabrication devices and methods therefor of self-propelled continuous productive process |
| CN108946024A (en) * | 2018-08-17 | 2018-12-07 | 正方利民（天镇）建筑工业化有限公司 | Building concrete wallboard prefabricated components production line closed loop transportation system |
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| CN211806876U (en) * | 2020-02-27 | 2020-10-30 | 福州大学 | Three-rail circulating operation device for high-low temperature series steam curing of precast beam |
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