CN107877684A - A kind of production method that can produce various shapes prefabricated component simultaneously - Google Patents
A kind of production method that can produce various shapes prefabricated component simultaneously Download PDFInfo
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- CN107877684A CN107877684A CN201710990293.6A CN201710990293A CN107877684A CN 107877684 A CN107877684 A CN 107877684A CN 201710990293 A CN201710990293 A CN 201710990293A CN 107877684 A CN107877684 A CN 107877684A
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 19
- 238000002156 mixing Methods 0.000 claims abstract description 15
- 239000011265 semifinished product Substances 0.000 claims abstract description 12
- 238000003860 storage Methods 0.000 claims abstract description 11
- 238000009434 installation Methods 0.000 claims abstract description 8
- 230000036541 health Effects 0.000 claims abstract description 5
- 229910000831 Steel Inorganic materials 0.000 claims description 42
- 239000010959 steel Substances 0.000 claims description 42
- 239000000463 material Substances 0.000 claims description 24
- 238000012856 packing Methods 0.000 claims description 16
- 238000012423 maintenance Methods 0.000 claims description 14
- 239000004576 sand Substances 0.000 claims description 14
- 238000004140 cleaning Methods 0.000 claims description 13
- 238000004080 punching Methods 0.000 claims description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 11
- 238000000034 method Methods 0.000 claims description 10
- 239000000654 additive Substances 0.000 claims description 9
- 230000000996 additive effect Effects 0.000 claims description 9
- 239000004568 cement Substances 0.000 claims description 9
- 238000010276 construction Methods 0.000 claims description 8
- 230000008569 process Effects 0.000 claims description 7
- 238000012545 processing Methods 0.000 claims description 7
- 239000007921 spray Substances 0.000 claims description 7
- 239000000047 product Substances 0.000 claims description 6
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 4
- 238000009841 combustion method Methods 0.000 claims description 4
- 238000007599 discharging Methods 0.000 claims description 4
- 238000001035 drying Methods 0.000 claims description 4
- 238000011068 loading method Methods 0.000 claims description 4
- 238000004513 sizing Methods 0.000 claims description 4
- 239000003795 chemical substances by application Substances 0.000 claims description 3
- 238000000465 moulding Methods 0.000 claims description 3
- 238000005266 casting Methods 0.000 abstract description 3
- 230000032258 transport Effects 0.000 description 5
- 238000013461 design Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000002474 experimental method Methods 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- 238000005507 spraying Methods 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000007598 dipping method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000686 essence Substances 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000005259 measurement 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
- 238000009417 prefabrication Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000012795 verification Methods 0.000 description 1
Classifications
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Mechanical Engineering (AREA)
- Devices For Post-Treatments, Processing, Supply, Discharge, And Other Processes (AREA)
- On-Site Construction Work That Accompanies The Preparation And Application Of Concrete (AREA)
Abstract
The invention discloses a kind of production method that can produce various shapes prefabricated component simultaneously, comprise the following steps：The installation of mould, the mixing of concrete, the supply of concrete, concrete are poured and vibrated, the lifting stacking of semi-finished product prefabricated component, health, the demoulding and the pile of prefabricated component and storage.The present invention improves the degree of mechanization, reduces artificial occupancy；The spoilage of template is effectively reduced, reduces the expense amortization of template；The curing cycle of concrete is shortened, improves productivity ratio；Reduce storage burden, realize extensive concentration pre-casting；A kind of template can produce Multiple Type, reduce template occupancy.
Description
Technical field
The present invention relates to preform production technical field, it particularly relates to which can to produce various shapes simultaneously pre- for one kind
The production method of product.
Background technology
Small precast part in existing process is produced as using the artificial+platform that vibrates+high strength plastics mould to carry out in advance for combination
System construction.Its work progress is：By small-sized forced concrete mixer ready-mixed concrete, transported through concrete transportation tank car
To the platform that vibrates, enter mould by artificial splicing and be put into the platform that vibrates to shake, had bad luck after concrete vibrating is closely knit to storage area,
After intensity reaches 2.5MPa, artificial form removal, stacking maintenance.It is primarily present problems with：1. prefabrication process needs largely manually to match somebody with somebody
Close, mechanization degree is low, artificial occupancy is high, and cost of labor is higher；2. high strength plastics mould is generally used in prefabricated, template week
Rate of rotation is relatively low, spoilage is high, and cost absorption is big；3. the prefabricated cycle it is longer, it is necessary to for a long time maintenance rear can reach traffic condition,
Low construction efficiency；4. generally needing to take large area place as storage area, it is unfavorable for extensive prefabricated；A kind of 5 templates can only
A kind of model is produced, template occupancy is high.
The content of the invention
For the above-mentioned technical problem in correlation technique, the present invention proposes that one kind can produce various shapes prefabricated component simultaneously
Production method, the above-mentioned deficiency of prior art can be overcome.
To realize above-mentioned technical purpose, the technical proposal of the invention is realized in this way：
A kind of production method that can produce various shapes prefabricated component simultaneously, comprises the following steps：
S1：The installation of mould, is specifically included：
S1.1：Steel die cavity is fixed in die station；
S1.2：Steel die intracavitary sets sizing diaphragm plate according to the species and shape of prefabricated component, and steel die cavity is arranged completely
Onto whole die station；
S2：Sand material, water, cement and additive are loaded in the agitator of concrete mixer, and are stirred；
S3：Aerial receiving hopper is fed into concrete spreader by the discharging opening splicing of concrete mixer；
S4：Concrete spreader by screw feeder by concreting to steel die intracavitary, while it is high to pass through bumper position
Frequency vibrator vibrates to the concrete of steel die intracavitary；
S5：Through the closely knit semi-finished product prefabricated component of bumper position high frequency tamping, stacking is hung to health lodging bench position by purlin；
S6：Semi-finished product prefabricated component after the completion of stacking is entered in curing kilns by hydraulic top pushing device and carries out steam curing, so
Late maintaining is carried out using spray afterwards；
S7：The demoulding of prefabricated component is carried out, is specifically included：
S7.1：Allocation and transportation are hung to stripping station position by purlin after prefabricated component maintenance kiln discharge, by overturning mould emptier by prefabricated component from steel
Deviate from molding chamber；
S7.2：Finished product after the demoulding is delivered to by piling station by rollgang；
S7.3：Steel die cavity after the demoulding is delivered to by punching block return system by MPV；
S8：The stacking and packing of component are carried out in piling station.
Further, the size of die station is 2780mmX1500mm in step S1.1.
Further, in step S2, described sand material includes coarse aggregate and fine aggregate, is needed before sand material is added
The moisture content of sand material is detected by alcohol combustion method or oven for drying method.
Preferably, loading the material order of concrete mixer is：Fine aggregate → coarse aggregate → cement → water → additive,
And it is more than or equal to 2min since the most short mixing time that all material addition agitator discharges to.
Further, in step S4, pouring for concrete pours or one-time feeding pours to be fed by several times.
Preferably, the concrete of steel die intracavitary is carried out in process of vibrating, needs manually to carry out troweling to concrete surface
Handle, after the completion of concrete vibrating, utilize residual concrete on steel brush cleaning steel die cavity.
Further, in step S5, the stacking number of plies of semi-finished product prefabricated component is less than or equal to 6 layers.
Further, in step S7.3, the steel die cavity after the demoulding is carried out in the mold cleaning station of punching block return system
The cleaning of mould, spray station spraying releasing agent is entered after cleaning, then installation mold annex and is checked, in steel die
Enter pouring for the concrete in the waiting step S4 of platform position of vibrating after passed examination.
Further, step S8 is specifically included：
S8.1：Component is piled up on pallet after being captured by palletizing mechanical arm；
S8.2：Pile up and operation is piled up by the lowering or hoisting gear progress second layer after one layer；
S8.3：Component piled up on pallet it is neat after packing processing carried out by automatic packing machine；
S8.4：Subregion storage is carried out to different component by forklift transport to component stockyard after the completion of packing.
Preferably, in step S8.2, component piles up height and is no more than 0.8 meter, piles up construction weight no more than 2 tons.
Beneficial effects of the present invention：The present invention improves the degree of mechanization, reduces artificial occupancy；Effectively reduce
The spoilage of template, reduce the expense amortization of template；The curing cycle of concrete is shortened, improves productivity ratio；Reduce
Storage burden, realizes extensive concentration pre-casting；A kind of template can produce Multiple Type, reduce template occupancy.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to institute in embodiment
The accompanying drawing needed to use is briefly described, it should be apparent that, drawings in the following description are only some implementations of the present invention
Example, for those of ordinary skill in the art, on the premise of not paying creative work, can also be obtained according to these accompanying drawings
Obtain other accompanying drawings.
Fig. 1 is a kind of production method that can produce various shapes prefabricated component simultaneously described according to embodiments of the present invention
Flow chart.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, rather than whole embodiments.It is based on
Embodiment in the present invention, the every other embodiment that those of ordinary skill in the art are obtained, belong to what the present invention protected
Scope.
A kind of as shown in figure 1, described production that can produce various shapes prefabricated component simultaneously according to embodiments of the present invention
Method, comprise the following steps：
S1：The installation of mould, is specifically included：
S1.1：Steel die cavity is fixed in die station；
S1.2：Steel die intracavitary sets sizing diaphragm plate according to the species and shape of prefabricated component, and steel die cavity is arranged completely
Onto whole die station；
S2：Sand material, water, cement and additive are loaded in the agitator of concrete mixer, and are stirred；
S3：Aerial receiving hopper is fed into concrete spreader by the discharging opening splicing of concrete mixer；
S4：Concrete spreader by screw feeder by concreting to steel die intracavitary, while it is high to pass through bumper position
Frequency vibrator vibrates to the concrete of steel die intracavitary；
S5：Through the closely knit semi-finished product prefabricated component of bumper position high frequency tamping, stacking is hung to health lodging bench position by purlin；
S6：Semi-finished product prefabricated component after the completion of stacking is entered in curing kilns by hydraulic top pushing device and carries out steam curing, so
Late maintaining is carried out using spray afterwards；
S7：The demoulding of prefabricated component is carried out, is specifically included：
S7.1：Allocation and transportation are hung to stripping station position by purlin after prefabricated component maintenance kiln discharge, by overturning mould emptier by prefabricated component from steel
Deviate from molding chamber；
S7.2：Finished product after the demoulding is delivered to by piling station by rollgang；
S7.3：Steel die cavity after the demoulding is delivered to by punching block return system by MPV；
S8：The stacking and packing of component are carried out in piling station.
In one embodiment, the size of die station is 2780mmX1500mm in step S1.1.
In one embodiment, in step S2, described sand material includes coarse aggregate and fine aggregate, is adding sand material
Need to detect the moisture content of sand material by alcohol combustion method or oven for drying method before.
In one embodiment, loading the material order of concrete mixer is：Fine aggregate → coarse aggregate → cement →
Water → additive, and it is more than or equal to 2min since the most short mixing time that all material addition agitator discharges to.
In one embodiment, in step S4, pouring for concrete pours or one-time feeding pours to be fed by several times.
In one embodiment, the concrete of steel die intracavitary is carried out in process of vibrating, needed manually to concrete table
Face carries out troweling processing, after the completion of concrete vibrating, utilizes residual concrete on steel brush cleaning steel die cavity.
In one embodiment, in step S5, the stacking number of plies of semi-finished product prefabricated component is less than or equal to 6 layers.
In one embodiment, in step S7.3, the mold cleaning of steel die cavity after the demoulding in punching block return system
Station carries out the cleaning of mould, and spray station spraying releasing agent is entered after cleaning, then installation mold annex and is checked,
Enter pouring for the concrete in the waiting step S4 of platform position of vibrating after steel die passed examination.
In one embodiment, step S8 is specifically included：
S8.1：Component is piled up on pallet after being captured by palletizing mechanical arm；
S8.2：Pile up and operation is piled up by the lowering or hoisting gear progress second layer after one layer；
S8.3：Component piled up on pallet it is neat after packing processing carried out by automatic packing machine；
S8.4：Subregion storage is carried out to different component by forklift transport to component stockyard after the completion of packing.
In one embodiment, in step S8.2, component piles up height and is no more than 0.8 meter, piles up construction weight and does not surpass
Cross 2 tons.
In order to facilitate understand the present invention above-mentioned technical proposal, below by way of in specifically used mode to the present invention it is above-mentioned
Technical scheme is described in detail.
When specifically used, according to a kind of producer that can produce various shapes prefabricated component simultaneously of the present invention
Method, including：
The installation of mould is carried out first, and mould uses die station and steel die cavity, die station size 2780X1500mm, and steel die cavity is consolidated
It is scheduled in die station, steel die intracavitary sets sizing diaphragm plate according to the fast species of small precast and shape, and arranges completely to whole
Open and produce component in die station, suitable for the mold forming of various shapes small-sized precast block one, the recycling cycle of steel die is reachable
More than 500 times, mould can be configured according to prefabricated model sum amount, and deposit fortune mould dolly.
Then the stirring of concrete is carried out, is specifically included：1. the control of mixing plant metering：The mixing plant of mixing plant is by working as
Once, mixing plant oneself is per week must also to be demarcated once demarcation every half a year of ground measurement verification unit, checked whether out by demarcation
Existing error, to adjust in time.Mixing plant metering must be accurate, and all raw material error in dipping is all controlled within error range
（Cement, water, additive ± 1.0%；Slightly, fine aggregate 2.0%）；2. the calculating of coordination in works：Laboratory opens in each concrete
It is both needed to detect thick, fine aggregate water content by alcohol combustion method or oven for drying method before disk, surveys its thickness and gather materials
Moisture content, theoretical match ratio is converted into coordination in works by converting；3. the control of whipping process：Small-sized precast block uses
Two kinds of model pea gravel concretens of C20 and C25, to adapt to steam curing fast lifting intensity needs, matched using striaght cement, and root
According to the early strong additive of experiment admixture, shorten steam-cured time cycle, accelerating construction progress.During mixing concrete batching, various meterings
Utensil should keep accurate.Detected before being opened the set to sand material moisture content, adjust the materials of sand material and water according to this.During stirring pair
Concrete mixing time, feeding sequence have a strict requirements, feeding sequence be by fine aggregate → coarse aggregate → cement → water →
Additive is launched successively.The most short mixing time to be discharged since all material loading mixing drum to is no less than 2min.Concrete
Mixture answers uniform mixing, solid colour, must not there is isolation and excreting water phenomenon.
Then the supply of concrete is carried out：After concrete is stirred in mixer, aerial receiving hopper is traveled under mixing machine
At material mouth, after carrying out splicing, scrap steel container is transported to by concrete spreader splicing by aerial receiving hopper traveling control system
Position（I.e. concrete spreader sets 0 position）, after concrete spreader reaches specified location, aerial receiving hopper blowing arrives
In concrete spreader feed bin.
Followed by progress concreting and vibrate：It is mainly that concrete spreader passes through spiral shell that concrete, which is poured into a mould with area of vibrating,
Dispenser is revolved by concrete supply to punching block.Concrete can use feed or one-time feeding by several times and simultaneously by high speed vibrator
Vibrated.Smash and shake since autofeed, until reaching optimal concrete density.It is artificial right also to be needed in process of vibrating
Concrete surface carries out troweling processing, after the completion of concrete vibrating, utilizes residual concrete on steel brush cleaning mould.According to experiment
Parameter determines, productive temp 2-4min, is controlled using the time relay, to ensure concrete component vibration compacting.
Then carry out the lifting stacking of semi-finished product prefabricated component：Semi-finished product prefabricated component through high speed vibrator vibration compacting, passes through
Purlin hangs stacking to health lodging bench position, the stacking number of plies and is not more than 6 layers, is entered after the completion of stacking by hydraulic top pushing device and conserved
Kiln, carry out steam curing.
Curing system is made up of maintenance temperature control system, maintenance passage, haulage gear, hydraulic pushing mechanism and maintenance dolly；
Steam curing is used in maintenance passage, equipped with monitoring system, maintenance intra passage temperature and humidity can be automatically controlled；Due to punching block
Special construction design, component within the defined time by the maintenance passage of temperature change when, can guarantee that the mould that 6 stackings are put is every
Layer can be contacted fully with steam, maintenance effect be optimized, to guarantee the intensity for reaching requirement;Reach in 10-12h
Design strength 80% can kiln discharge, using spray carry out late maintaining, reaching design strength can transport to scene.
After prefabricated component kiln discharge by maintenance, it is de- by MPV, upset to stripping station position, dismoulding system that allocation and transportation are hung by purlin
Mold mechanism and rollgang composition.Major function is：The component that maintenance is reached to intensity requirement is deviate from from punching block, and finished product is defeated
Piling station is delivered to, the punching block for having taken off component is delivered into punching block return system；The system uses PLC technology and frequency conversion drive
Technology, and the mode such as hydraulic synchronization driving, pneumatic realize respective action.
Finally carry out prefabricated component pile and storage：Finished product member transports piling station, piling station by rollgang
The equipment such as pallet lift device, palletizing mechanical arm, automatic packing machine are provided with, component is piled up after being captured by palletizing mechanical arm
On pallet, the operation of piling up for carrying out the second layer after one layer by lowering or hoisting gear is piled up, component piles up height and is no more than 0.8 meter, code
Construction weight is put no more than 2 tons.Component piled up on pallet it is neat after packing processing carried out by automatic packing machine.Packing is completed
Subregion storage is carried out to different component by forklift transport to component stockyard, component stockyard afterwards.
In summary, by means of the above-mentioned technical proposal of the present invention, the degree of mechanization is improved, reduces artificial occupancy
Rate；The spoilage of template is effectively reduced, reduces the expense amortization of template；The curing cycle of concrete is shortened, is improved
Productivity ratio；Reduce storage burden, realize extensive concentration pre-casting；A kind of template can produce Multiple Type, reduce template
Occupancy.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
God any modification, equivalent substitution and improvements made etc., should be included in the scope of the protection with principle.
Claims (10)
1. a kind of production method that can produce various shapes prefabricated component simultaneously, it is characterised in that comprise the following steps：
S1：The installation of mould, is specifically included：
S1.1：Steel die cavity is fixed in die station；
S1.2：Steel die intracavitary sets sizing diaphragm plate according to the species and shape of prefabricated component, and steel die cavity is arranged completely
Onto whole die station；
S2：Sand material, water, cement and additive are loaded in the agitator of concrete mixer, and are stirred；
S3：Aerial receiving hopper is fed into concrete spreader by the discharging opening splicing of concrete mixer；
S4：Concrete spreader by screw feeder by concreting to steel die intracavitary, while it is high to pass through bumper position
Frequency vibrator vibrates to the concrete of steel die intracavitary；
S5：Through the closely knit semi-finished product prefabricated component of bumper position high frequency tamping, stacking is hung to health lodging bench position by purlin；
S6：Semi-finished product prefabricated component after the completion of stacking is entered in curing kilns by hydraulic top pushing device and carries out steam curing, so
Late maintaining is carried out using spray afterwards；
S7：The demoulding of prefabricated component is carried out, is specifically included：
S7.1：Allocation and transportation are hung to stripping station position by purlin after prefabricated component maintenance kiln discharge, by overturning mould emptier by prefabricated component from steel
Deviate from molding chamber；
S7.2：Finished product after the demoulding is delivered to by piling station by rollgang；
S7.3：Steel die cavity after the demoulding is delivered to by punching block return system by MPV；
S8：The stacking and packing of component are carried out in piling station.
A kind of 2. production method that can produce various shapes prefabricated component simultaneously according to claim 1, it is characterised in that
The size of die station is 2780mmX1500mm in step S1.1.
A kind of 3. production method that can produce various shapes prefabricated component simultaneously according to claim 1, it is characterised in that
In step S2, described sand material includes coarse aggregate and fine aggregate, and the moisture content to sand material is needed before sand material is added
Detected by alcohol combustion method or oven for drying method.
A kind of 4. production method that can produce various shapes prefabricated component simultaneously according to claim 3, it is characterised in that
Loading the material order of concrete mixer is：Fine aggregate → coarse aggregate → cement → water → additive, and add from all material
Enter agitator and be more than or equal to 2min to the most short mixing time for starting discharging.
A kind of 5. production method that can produce various shapes prefabricated component simultaneously according to claim 1, it is characterised in that
In step S4, pouring for concrete pours or one-time feeding pours to be fed by several times.
A kind of 6. production method that can produce various shapes prefabricated component simultaneously according to claim 5, it is characterised in that
The concrete of steel die intracavitary is carried out in process of vibrating, needs manually to carry out troweling processing, concrete vibrating to concrete surface
After the completion of, utilize residual concrete on steel brush cleaning steel die cavity.
A kind of 7. production method that can produce various shapes prefabricated component simultaneously according to claim 1, it is characterised in that
In step S5, the stacking number of plies of semi-finished product prefabricated component is less than or equal to 6 layers.
A kind of 8. production method that can produce various shapes prefabricated component simultaneously according to claim 1, it is characterised in that
In step S7.3, the steel die cavity after the demoulding carries out the cleaning of mould in the mold cleaning station of punching block return system, after cleaning
Releasing agent is sprayed into spray station, then installation mold annex and is checked, enters after steel die passed examination and shakes
Smash pouring for concrete in the waiting step S4 of platform position.
A kind of 9. production method that can produce various shapes prefabricated component simultaneously according to claim 1, it is characterised in that
Step S8 is specifically included：
S8.1：Component is piled up on pallet after being captured by palletizing mechanical arm；
S8.2：Pile up and operation is piled up by the lowering or hoisting gear progress second layer after one layer；
S8.3：Component piled up on pallet it is neat after packing processing carried out by automatic packing machine；
S8.4：Subregion storage is carried out to different component by forklift transport to component stockyard after the completion of packing.
10. a kind of production method that can produce various shapes prefabricated component simultaneously according to claim 9, its feature exist
In in step S8.2, component piles up height and is no more than 0.8 meter, piles up construction weight no more than 2 tons.
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109203211A (en) * | 2018-10-12 | 2019-01-15 | 广州建筑产业研究院有限公司 | A kind of assembly line of the compatible production of component |
| CN110640892A (en) * | 2019-10-21 | 2020-01-03 | 北京建工华创科技发展股份有限公司 | Assembly type building prefabricated part production line and production method |
| CN110640864A (en) * | 2019-08-02 | 2020-01-03 | 长江武汉航道工程局 | Automatic production process for prefabricating interlocking pieces |
| CN110666950A (en) * | 2019-10-23 | 2020-01-10 | 中铁四局集团第四工程有限公司 | Prefabricated field structure of reinforced concrete component |
| CN111844413A (en) * | 2020-07-07 | 2020-10-30 | 中交二公局第三工程有限公司 | Production method of concrete small-sized prefabricated part production line |
| CN113618895A (en) * | 2021-08-15 | 2021-11-09 | 娄底远大建筑工业有限公司 | Production process of concrete prefabricated staircase |
| CN115284430A (en) * | 2021-12-02 | 2022-11-04 | 鲁南中联水泥有限公司新型建材分公司 | A new type of intelligent cement product production line process method |
| CN118952437A (en) * | 2024-10-14 | 2024-11-15 | 中铁四局集团有限公司 | A concrete specimen manufacturing device and method |
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