CN108756245A - The method that big graded aggregate concrete substep pours hopper and casting concrete - Google Patents
The method that big graded aggregate concrete substep pours hopper and casting concrete Download PDFInfo
- Publication number
- CN108756245A CN108756245A CN201810522087.7A CN201810522087A CN108756245A CN 108756245 A CN108756245 A CN 108756245A CN 201810522087 A CN201810522087 A CN 201810522087A CN 108756245 A CN108756245 A CN 108756245A
- Authority
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- Prior art keywords
- main bucket
- gates
- graded aggregate
- big
- segmental shape
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 238000005266 casting Methods 0.000 title claims description 10
- 238000000034 method Methods 0.000 title claims description 6
- 239000004744 fabric Substances 0.000 claims abstract description 26
- 238000005192 partition Methods 0.000 claims abstract description 6
- 239000004568 cement Substances 0.000 claims description 24
- 239000004576 sand Substances 0.000 claims description 21
- 239000011083 cement mortar Substances 0.000 claims description 20
- 239000000463 material Substances 0.000 claims description 13
- 229910000831 Steel Inorganic materials 0.000 claims description 6
- 239000010959 steel Substances 0.000 claims description 6
- 239000002002 slurry Substances 0.000 claims 1
- 238000007599 discharging Methods 0.000 abstract 1
- 239000012615 aggregate Substances 0.000 description 44
- 238000010276 construction Methods 0.000 description 4
- 210000000988 bone and bone Anatomy 0.000 description 2
- 238000002955 isolation Methods 0.000 description 2
- 239000004570 mortar (masonry) Substances 0.000 description 2
- 241001282153 Scopelogadus mizolepis Species 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000013329 compounding Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003475 lamination Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000002688 soil aggregate Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000003892 spreading Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
- E04G21/02—Conveying or working-up concrete or similar masses able to be heaped or cast
- E04G21/025—Buckets specially adapted for use with concrete
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- On-Site Construction Work That Accompanies The Preparation And Application Of Concrete (AREA)
Abstract
The invention discloses a kind of big graded aggregate concrete substeps to pour hopper, including main bucket and supporting plate；Main bucket is divided into multiple warehouses by the partition board storehouse in main bucket, each warehouse can place different dispensings, each warehouse is connected to the cloth mouth of lower section, gates of segmental shape is set below main bucket, it is slided in the line of rabbet joint that gates of segmental shape can be arranged between cloth mouth and main bucket, gates of segmental shape is connected with gates of segmental shape connecting rod, gates of segmental shape connecting rod is fixedly connected on axis pin, the gear of axis pin end is engaged with the motor gear below motor, motor gear drives axis pin rotation to be further driven to the rotation of gates of segmental shape connecting rod, so that gates of segmental shape turns an angle, to control different feed bin dischargings.
Description
Technical field
The present invention relates to concrete construction casting method and devices.It is specifically related to a kind of big graded aggregate concrete substep
Pour hopper.
Background technology
Big grading concrete is often applied in engineering.Big grading concrete refers to the thick bone using diameter >=100mm
The concrete of material, such concrete have intensity height, the strong feature of anti-shrink ability.The type concrete is mainly used in water
In the pouring of the big scale of construction concrete works such as dam, roadbed, diaphram wall, floor conversion layer.Due to aggregate size, weight compared with
Greatly, it is different from general concrete, during the construction casting of such concrete, there are problems that following two：1. big grade compounding
Solidifying soil aggregate size is excessive, and the concrete that the no general pole of the image of Buddha is matched equally is stirred and pumped by blender；2. in casting process
In, aggregate dead weight is excessive, is easy to happen sinking, concrete is caused to be layered, aggregate is unevenly distributed.For the above problem,
It there is no preferable reply solution at present.
Invention content
Goal of the invention：Hopper is poured the present invention provides a kind of big graded aggregate concrete substep and is carried out using the hopper
The method of concreting；The hopper construction is simple, reasonable design and using easy to operate, possesses large-size, with unification
Fixed pouring sequentially solves the problems, such as that big graded aggregate concrete can not pump and aggregate sinks, and big grading concrete is made to pour
Aggregate is evenly distributed in journey, is not layered.
Technical solution：A kind of big graded aggregate concrete substep pours hopper, hopper is divided into 3 storehouses, both sides are cement
Pulp bin, the built-in fine concrete stirred evenly, centre are aggregate bin, place major diameter aggregate.3 feed bins pass through an arc
Shape gates system and opens and closes, and controls arc-shaped door with motor, arc-shaped door rotates first cement pulp bin of opening, aggregate bin and second successively
Cement pulp bin discharges the aggregate in different storehouses successively.It is suitable to control pouring for concrete by the opening sequence of different feed bins
Sequence.The isolation of concrete is solved the problems, such as with this.Meanwhile using the hopper, specific pour sequentially should be followed：First pass pours,
First cement bonded sand pulp bin is opened, cement mortar bottoming is poured；Pouring cloth for second time, starting gate makes second feed bin open,
Cloth magnifying diameter aggregate makes the upper cement mortar all over bottoming of aggregate covering, aggregate that can sink in mortar；Third time is finally carried out to pour
It builds, continues sliding gate, open third cement mortar feed bin, filled with cement mortar when spreading all over material between big graded aggregate
Gap and covering aggregate.
Wherein, it pours hopper bucket body to be made of the main cloth mouth for struggling against and being fixed on main bucket bottom, intermediate there are one arc gates
Door is controlled the keying of three feed bins by a gates of segmental shape for closing main bucket bottom, and the shape of main bucket and cloth mouth is down
Tetragonous bench-type, the wide side plate and two pieces of narrow sides being oppositely arranged that main bucket is oppositely arranged by two pieces form.
Wherein, gates of segmental shape is mounted on by two rotary fixing devices on hopper, the structure of two rotary fixing devices
Identical and arranged symmetrically, rotary fixing device includes inside and outside fixed plate, axis pin, axis pin gear, gates of segmental shape connecting plate, arc
Gate connecting rod.Internal fixation plate is fixed on the inside of main bucket steel plate, and outer stationary plates are fixed on main bucket steel plate outside, axis pin with it is inside and outside solid
Fixed board is rotatablely connected, and axis pin gear is fixed on axis pin, and gates of segmental shape connecting plate one end is fixedly connected with axis pin, the other end and arc
Shape gate connecting rod one end is fixedly connected, and the gates of segmental shape connecting rod other end is fixedly connected with gates of segmental shape.
The main bucket top that a kind of above-mentioned big graded aggregate concrete substep pours hopper is installed with supporting plate, can use
In preventing mortar in main bucket or aggregate exudation.
The main bucket lower part that a kind of above-mentioned big graded aggregate concrete substep pours hopper is fixedly welded with cloth mouth.
The main bucket that a kind of above-mentioned big graded aggregate concrete substep pours hopper is divided into three feed bins：First cement mortar
Storehouse, big graded aggregate storehouse, the second cement bonded sand pulp bin.
A kind of above-mentioned big graded aggregate concrete substep pours hopper, and motor is fixed on main bucket by motor connection backing plate
The side of wide side plate, motor gear and axis pin gear coupling are rotated by motor and drive the rotation of axis pin gear, to control arc
Gate is slided along the line of rabbet joint.
A kind of above-mentioned big graded aggregate concrete substep pours hopper, must will be inside previous feed bin in casting process
Material all empty could open next feed bin.
A kind of above-mentioned big graded aggregate concrete substep pours hopper, and primary complete casting process is completed using this hopper
Blanking three times must be divided into：First pass cloth：Open the first cement bonded sand pulp bin, joints cement mortar；Second spreads all over material:Open big grade
With aggregate bin, cloth amplifies graded aggregate in cement mortar；Third spreads all over material：The second cement bonded sand pulp bin is opened, in big grading bone
Joints cement mortar covers on material.
A kind of above-mentioned big graded aggregate concrete substep pours hopper, and three feed bins of main bucket are arranged along wide plate direction.
Advantageous effect：
1. structure of the invention reasonable design and using easy to operate；
2. the present invention has the first, second cement bonded sand pulp bin and big graded aggregate storehouse, by cement mortar and big graded aggregate
It separates and individually keeps in, avoid and two kinds of materials are mixed into generated laminations；
3. the present invention solves the problems, such as isolation of the big grading concrete in casting process, aggregate can be not only stored, but also can pour
Build concrete；
4. power transmission of the present invention is simple, structural reliability is high.
Description of the drawings
Fig. 1 is the front view of the present invention；
Fig. 2 is the left view of the present invention；
Fig. 3 is the vertical view of the present invention；
Fig. 4 is the structure graph of first pass cloth of the present invention；
The positions Fig. 5 present invention second spreads all over the structure graph of material；
The positions Fig. 6 third of the present invention spreads all over the structure graph of material.
Specific implementation mode
As shown in Figure 1, a kind of big graded aggregate concrete substep pours hopper, including supporting plate 1, main bucket 2, gates of segmental shape
5 and cloth mouth 6.
Supporting plate 1 is fixedly mounted on main bucket 2, reinforces the structure of main bucket 2.Main bucket 2 is the cylinder of upper and lower opening.Main bucket 2
Gates of segmental shape 5 is provided at lower exit port, gates of segmental shape 5 can block 2 lower openings of main bucket, and 2 lower section of main bucket is fixedly connected with cloth
Expect that mouth 6, the lower openings of main bucket 2 are connected to cloth mouth 6, the line of rabbet joint that gates of segmental shape 5 can be arranged between cloth mouth 6 and main bucket 2
Between slide.Being disposed with the first partition panel 7-1 and the second partition panel 7-2 along 5 opening direction of gates of segmental shape in main bucket 2 will lead
Bucket 2 is divided into the first cement bonded sand pulp bin 2-1, big graded aggregate storehouse 2-2, second cement bonded sand pulp bin 2-3.Wherein it is located at the of both sides
One cement bonded sand pulp bin 2-1 and the second cement bonded sand pulp bin 2-3 is then used to store for storing cement mortar, big graded aggregate storehouse 2-2
Big graded aggregate to be poured.
As shown in Figure 1, gates of segmental shape 5 is rotatably connected by rotary fixing device and main bucket 2.Rotary fixing device includes
Outer stationary plates 4-1, internal fixation plate 4-2, the first axis pin 4-3, the second axis pin 4-4, axis pin gear 4-5, gates of segmental shape connecting plate 4-6
With gates of segmental shape connecting rod 4-7；Gates of segmental shape 5 is fixedly connected with gates of segmental shape connecting rod 4-7, and gates of segmental shape connecting rod 4-7 is logical
It crosses gates of segmental shape connecting plate 4-6 to be fixedly connected on axis pin, axis pin is rotationally connected on main bucket 2, and axis pin external part is provided with pin
Shaft gear 4-5, axis pin gear 4-5 are coupled with the motor gear 3-2 on motor 3-1, and axis pin gear 4- is driven when motor 3-1 is operated
5 rotations, to be further driven to axis pin rotation.
As shown in Figure 1, gates of segmental shape connecting rod 4-7 is made of 3 connecting rods, be separately connected gates of segmental shape 5 both ends and
Middle part, the connection that can be more consolidated between the gates of segmental shape 5 for being and gates of segmental shape connecting rod.
As shown in Fig. 2, gates of segmental shape connecting rod 4-7 and axis pin there are two and be symmetrically distributed in the both sides of main bucket 2.Wherein
Axis pin gear 4-5 is fixed on the first axis pin 4-3.
As shown in Fig. 2, axis pin is rotatably connected on by rotary mount on main bucket 2, rotary mount includes outer stationary plates
4-1 and internal fixation plate 4-2, internal fixation plate 4-2 are fixed on the inside of 2 steel plates of main bucket, and outer stationary plates 4-1 is fixed on outside 2 steel plates of main bucket
Side, axis pin are rotatablely connected with internal fixation plate 4-2 and outer stationary plates 4-1.
As shown in figure 3,2 horizontal cross sectional geometries of main bucket are rectangle, the wide side plate 2-4 and two that main bucket 2 is oppositely arranged by two pieces
The narrow side 2-5 compositions that block is oppositely arranged, correspond respectively to the length of rectangular section and wide position.Wherein, motor 3-1 passes through
Motor connection backing plate 3-3 is fixed on the side of 2 wide side plate 2-4 of main bucket.Two groups of gates of segmental shape connecting rod 4-7 and axis pin are fixed respectively
It is connected on side plate 2-4 two wide.The line of rabbet joint is set to below a two opposite wide side plate 2-4 and narrow side 2-5, another
Narrow side 2-5 is fixedly connected with cloth mouth 6.Therefore gates of segmental shape 5 is first opened along the bottoms wide side plate 2-4 outward, finally by side
Thoroughly deviate from narrow side lower part.Such structure can expand the movement travel of gates of segmental shape 5, the period that the motor for being is shut down and opened
Extend.
In order to enable each indoor raw material in storehouse are easier to fall, and the generally truncated rectangular pyramids structure of main bucket 2, outlet face
Product is smaller, as shown in Figure 1, nozzle 6 is tilted along 5 opening direction of gates of segmental shape, and whole is also up big and down small pyramidal structure.
A method of pouring hopper casting concrete using above-mentioned big graded aggregate concrete distribution：
Step 1) pours into cement mortar in the first cement bonded sand pulp bin 2-1 and the second cement bonded sand pulp bin 2-3 respectively, in big grade
With pouring into big graded aggregate in aggregate bin 2-2；
Step 2) first pass cloth：It controls motor 3-1 to open, the is opened after driving gates of segmental shape 5 to rotate by a certain angle
One cement bonded sand pulp bin 2-1 controls motor 3-1 and shuts down, at this time by guiding cloth mouth 6 so that cement mortar is uniform in the feed bin
It pours；
Step 3) second spreads all over material:After the cement mortar in the first feed bin has all poured, control motor 3-1 is opened,
Gates of segmental shape 5 continues rotation to big graded aggregate storehouse 2-2 unlatchings, and the second cement bonded sand pulp bin 2-3 is closed, and closes control
Motor 3-1 processed, uniform cloth amplifies graded aggregate in the cement mortar just poured；
Step 4) third spreads all over material：After big graded aggregate storehouse all arranges, control motor 3-1 opens the second cement bonded sand
Pulp bin 2-3, the uniform joints cement mortar covering on the big graded aggregate just poured, and vibrated using vibrating spear.
Claims (10)
1. big graded aggregate concrete substep pours hopper, it is characterised in that：Including main bucket (2), gates of segmental shape (5) and cloth mouth
(6), it is provided with partition panel in main bucket (2), multiple warehouses will be divided into inside main bucket (2), be provided at main bucket (2) lower exit port
Gates of segmental shape (5), main bucket (2) lower section are fixedly connected with cloth mouth (6), and the lower openings of main bucket (2) are connected to cloth mouth (6),
It is slided between the line of rabbet joint that gates of segmental shape (5) can be arranged between cloth mouth (6) and main bucket (2).
2. big graded aggregate concrete substep according to claim 1 pours hopper, it is characterised in that：The main bucket (2)
It is interior to be disposed with the first partition panel (7-1) and the second partition panel (7-2) by main bucket (2) along gates of segmental shape (5) opening direction
It is divided into the first cement bonded sand pulp bin (2-1), big graded aggregate storehouse (2-2), the second cement bonded sand pulp bin (2-3).
3. big graded aggregate concrete substep according to claim 1 or 2 pours hopper, it is characterised in that：The arc
Gate (5) is connect with gates of segmental shape connecting rod (4-7), and the gates of segmental shape connecting rod (4-7) is fixedly connected on axis pin, axis pin
It is rotationally connected on main bucket (2), axis pin external part is provided with axis pin gear (4-5), the axis pin gear (4-5) and motor (3-
1) motor gear (3-2) engagement on, drives axis pin gear (4-5) to rotate, to be further driven to pin when motor (3-1) operates
Shaft rotation is dynamic.
4. big graded aggregate concrete substep according to claim 3 pours hopper, it is characterised in that：The gates of segmental shape
There are two connecting rods (4-7) and axis pin and is symmetrically distributed in the both sides of main bucket (2).
5. big graded aggregate concrete substep according to claim 3 pours hopper, it is characterised in that：The axis pin passes through
Rotary mount is rotatably connected on main bucket (2), and the rotary mount includes outer stationary plates (4-1) and internal fixation plate (4-2),
The internal fixation plate (4-2) is fixed on the inside of main bucket (2) steel plate, and the outer stationary plates (4-1) are fixed on outside main bucket (2) steel plate
Side, the axis pin are rotatablely connected with internal fixation plate (4-2) and outer stationary plates (4-1).
6. big graded aggregate concrete substep according to claim 3 pours hopper, it is characterised in that：The main bucket (2)
Horizontal cross sectional geometry is rectangle, the wide side plate (2-4) and two pieces of narrow sides being oppositely arranged that the main bucket (2) is oppositely arranged by two pieces
Plate (2-5) forms, and corresponds respectively to the length of rectangular section and wide position.
7. big graded aggregate concrete substep according to claim 6 pours hopper, it is characterised in that：Motor (the 3-
1) side of the wide side plate (2-4) of main bucket (2) is fixed on by motor connection backing plate (3-3).
8. big graded aggregate concrete substep according to claim 6 pours hopper, it is characterised in that：The line of rabbet joint setting
In two opposite wide side plates (2-4) with below a narrow side (2-5), another narrow side (2-5) is fixed with cloth mouth (6)
Connection.
9. big graded aggregate concrete substep according to claim 6 pours hopper, it is characterised in that：The main bucket (2)
Generally truncated rectangular pyramids structure, exit area are smaller.
10. a kind of big graded aggregate concrete using described in claim 3 is distributed the method for pouring hopper casting concrete：
Step 1) is respectively in the first cement bonded sand pulp bin (2-1) and the second cement bonded sand pulp bin (2-3) is inner pours into cement mortar, in big grade
With pouring into big graded aggregate in aggregate bin (2-2)；
Step 2) first pass cloth：It controls motor (3-1) to open, the is opened after driving gates of segmental shape (5) to rotate by a certain angle
One cement bonded sand pulp bin (2-1) controls motor (3-1) and shuts down, at this time by guiding cloth mouth (6) so that cement bonded sand in the feed bin
Slurry uniformly pours；
Step 3) second spreads all over material:After the cement mortar in the first feed bin has all poured, control motor (3-1) is opened, arc
Shape gate (5) continues rotation to big graded aggregate storehouse (2-2) and opens, and the second cement bonded sand pulp bin (2-3) is closed, and is closed
Control motor (3-1) is closed, uniform cloth amplifies graded aggregate in the cement mortar just poured；
Step 4) third spreads all over material：After big graded aggregate storehouse all arranges, control motor (3-1) opens the second cement mortar
Storehouse (2-3), the uniform joints cement mortar covering on the big graded aggregate just poured, and vibrated using vibrating spear.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810522087.7A CN108756245B (en) | 2018-05-28 | 2018-05-28 | Method for pouring concrete by step by using large-scale aggregate concrete pouring hopper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810522087.7A CN108756245B (en) | 2018-05-28 | 2018-05-28 | Method for pouring concrete by step by using large-scale aggregate concrete pouring hopper |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108756245A true CN108756245A (en) | 2018-11-06 |
| CN108756245B CN108756245B (en) | 2020-05-22 |
Family
ID=64006179
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810522087.7A Expired - Fee Related CN108756245B (en) | 2018-05-28 | 2018-05-28 | Method for pouring concrete by step by using large-scale aggregate concrete pouring hopper |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108756245B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110439287A (en) * | 2019-07-31 | 2019-11-12 | 深圳市惠深博越智慧建造科技有限公司 | Diamond dust flooring one-shot forming technique |
| CN112140350A (en) * | 2020-10-27 | 2020-12-29 | 浙江以祖机械设备制造有限公司 | Cement bin hopper opening device |
| CN112832520A (en) * | 2020-12-31 | 2021-05-25 | 万建建设有限公司 | Construction method for building house |
| CN113059670A (en) * | 2020-03-09 | 2021-07-02 | 崔成群 | Distributor, strickle, row ware and system that concrete component is prefabricated |
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| CN102825664A (en) * | 2012-09-23 | 2012-12-19 | 长安大学 | Double-bin-type aggregate holding hopper for concrete mixing station |
| CN204001756U (en) * | 2014-06-06 | 2014-12-10 | 中建七局建筑装饰工程有限公司 | A kind of small-size concrete member is built auxiliaring bucket |
| EP3061891A1 (en) * | 2015-02-25 | 2016-08-31 | SECATOL (Société par Actions Simplifiée) | Discharging mechanism for a concrete bucket comprising a receptacle for the leakage of the laitance |
| JP2017132164A (en) * | 2016-01-29 | 2017-08-03 | 飛島建設株式会社 | Control system for kneading temperature of concrete |
| CN107476577A (en) * | 2017-08-29 | 2017-12-15 | 中国十七冶集团有限公司 | A kind of new concrete hopper |
-
2018
- 2018-05-28 CN CN201810522087.7A patent/CN108756245B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102825664A (en) * | 2012-09-23 | 2012-12-19 | 长安大学 | Double-bin-type aggregate holding hopper for concrete mixing station |
| CN204001756U (en) * | 2014-06-06 | 2014-12-10 | 中建七局建筑装饰工程有限公司 | A kind of small-size concrete member is built auxiliaring bucket |
| EP3061891A1 (en) * | 2015-02-25 | 2016-08-31 | SECATOL (Société par Actions Simplifiée) | Discharging mechanism for a concrete bucket comprising a receptacle for the leakage of the laitance |
| JP2017132164A (en) * | 2016-01-29 | 2017-08-03 | 飛島建設株式会社 | Control system for kneading temperature of concrete |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110439287A (en) * | 2019-07-31 | 2019-11-12 | 深圳市惠深博越智慧建造科技有限公司 | Diamond dust flooring one-shot forming technique |
| CN113059670A (en) * | 2020-03-09 | 2021-07-02 | 崔成群 | Distributor, strickle, row ware and system that concrete component is prefabricated |
| CN112140350A (en) * | 2020-10-27 | 2020-12-29 | 浙江以祖机械设备制造有限公司 | Cement bin hopper opening device |
| CN112832520A (en) * | 2020-12-31 | 2021-05-25 | 万建建设有限公司 | Construction method for building house |
| CN112832520B (en) * | 2020-12-31 | 2022-08-02 | 绿城熵里建设管理有限公司 | Construction method for building house |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108756245B (en) | 2020-05-22 |
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Granted publication date: 20200522 |