CN107587718A - One kind lifting and rotary type concrete cast pump machine - Google Patents
One kind lifting and rotary type concrete cast pump machine Download PDFInfo
- Publication number
- CN107587718A CN107587718A CN201711067906.5A CN201711067906A CN107587718A CN 107587718 A CN107587718 A CN 107587718A CN 201711067906 A CN201711067906 A CN 201711067906A CN 107587718 A CN107587718 A CN 107587718A
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- concrete
- arm support
- construction
- lifting
- cast
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- 239000004567 concrete Substances 0.000 title claims abstract description 164
- 238000010276 construction Methods 0.000 claims abstract description 90
- 238000007789 sealing Methods 0.000 claims description 14
- 238000009434 installation Methods 0.000 claims description 9
- 238000007514 turning Methods 0.000 claims description 7
- 238000000034 method Methods 0.000 claims description 5
- 230000015271 coagulation Effects 0.000 claims description 4
- 238000005345 coagulation Methods 0.000 claims description 4
- 230000000694 effects Effects 0.000 claims description 3
- 238000009435 building construction Methods 0.000 abstract description 2
- 238000004140 cleaning Methods 0.000 abstract 1
- 238000012423 maintenance Methods 0.000 description 3
- 230000001174 ascending effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000011150 reinforced concrete Substances 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
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- On-Site Construction Work That Accompanies The Preparation And Application Of Concrete (AREA)
Abstract
The present invention relates to technical field of building construction, especially a kind of lifting and rotary type concrete cast pump machine, including concrete running gate system and the lifting of cast arm support and rotary system, conveyance conduit manhole is set, improves efficiency of construction；The concrete running gate system includes：Ground concrete hopper, concrete conveying pipe, concrete conveying pipe manhole, pipeline fixing device, concrete pump, cast telescopic jib, connection flexible pipe；The lifting of cast arm support and rotary system include：Riser guide, guide rail fixer, arm support power bogey, arm support rotating device, hydraulic prop, the construction control device of arm support.The present invention is cleverly combined concrete running gate system and the lifting of cast arm support and rotary system, the lifting and rotation of cast arm support are realized using fluctuating orbit and rotating shaft, the cast of concrete in construction of super highrise building is realized, is poured into a mould with reaching Super High, safety, easy cleaning, easy-to-maintain concrete.
Description
Technical field
The present invention relates to technical field of building construction, more particularly to a kind of lifting and rotary type concrete cast pump machine.
Background technology
Building is all to use reinforced concrete structure, to improve the anti-disaster ability of building, so in construction,
The cast of concrete is essential work progress.The construction of building concrete cast at present is all using concrete cast pump truck
To complete, but concrete cast having some limitations property of pump truck, after construction highly exceeds certain altitude, concrete cast
The arm support of pump truck stretches the construction surface less than building, and concrete pours into a mould pump truck will do more long preparation before construction is started,
Operating efficiency is not high, when there is blockage problem in concrete cast pump truck can only suspension of works, therefore need to invent and disclosure satisfy that and build
Construction height, operating efficiency height and the convenient concrete cast pump machine of maintenance are built to fill up current building concrete casting and constructing
Deficiency.For this, we have proposed one kind lifting and rotary type concrete cast pump machine.
The content of the invention
The invention aims to solve shortcoming present in prior art, and the one kind proposed lifts and rotary mixed
Solidifying soil cast pump machine.
To achieve these goals, present invention employs following technical scheme：
A kind of lifting of design and rotary type concrete cast pump machine, including concrete running gate system and the lifting of cast arm support and
Rotary system, the lifting and rotary type concrete cast pump machine can be lifted with the change of construction story height, be poured into a mould
Arm support can rotate on the inside of building and is fixed with building by hydraulic prop to reach safe construction, set conveyance conduit
Manhole, improve efficiency of construction；The concrete running gate system includes：Ground concrete hopper, concrete conveying pipe, coagulation
Native conveyance conduit manhole, pipeline fixing device, concrete pump, cast telescopic jib, connection flexible pipe；Pour into a mould arm support lifting and rotation
Transfering from one department to another system includes：Riser guide, guide rail fixer, arm support power bogey, arm support rotating device, hydraulic prop, arm support
Construction control device.
Preferably, concrete running gate system is by ground concrete hopper, concrete conveying pipe, concrete pump machine, connection
Flexible pipe, telescopic jib, discharge tube are formed, and the concrete mixed is poured into ground hopper by concrete mixer truck in work progress
Afterwards, the concrete in hopper is transported in the presence of concrete pump by the concrete conveying pipe installed in side of buildings
Construction floor, the pipeline in construction surface to be poured into a mould to arm support by concrete conveying pipe using connection flexible pipe with concrete are connected
Connect, implement to pour into a mould eventually through discharge tube, telescopic jib is controlled and poured to complete the concrete of construction surface diverse location
Note operation.
Preferably, ground concrete hopper should be located at broad vacant lot, to facilitate concrete mixer truck batch turning and disengaging,
If enough broad in the position of hopper, can realize the batch turning simultaneously of three concrete mixer truck, can be greatly improved and pour
Note efficiency.
Preferably, the pipeline in concrete conveying pipe and telescopic jib all sets a maintenance per separated by a distance
Hole, occurs the treatment effeciency of concrete blockage problem in construction to improve, the manhole is carried out using sealing ring, lid and screw
Sealing, due to being in the state of high pressure in concrete duct in construction, in order to improve the operating efficiency of concrete pump, the invention exists
Need periodically to check manhole in actual use.
Preferably, concrete conveying pipe is to continue up installation with the rise of construction surface, is needed at pipe joint
To pay special attention to sealing effectiveness, and to inspect periodically, the sealing effectiveness of pipeline is better, and concrete pump operating efficiency will be higher,
To improve efficiency of construction, concrete pump needs to set stand-by pump.
Preferably, concrete conveying pipe and the pipeline in concrete cast arm support, in the two pipelines of not construction stage
Off-state is in order at, facilitates the installation of concrete conveying pipe and the lifting of telescopic jib, in construction stage of concrete, is mixed
Coagulate native conveyance conduit to be attached using flexible pipe with the pipeline in concrete cast arm support, interface is should be noted in practical operation
Sealing.
Preferably, arm support lifting and rotary system are poured into a mould by riser guide, arm support power bogey, arm support rotating device
And the construction fixing device of arm support is formed, in the not construction stage, arm support rotating device is turned on the outside of building, and arm support can be with arm
Frame power bogey lifts in orbit；In the construction stage, arm support rotating device is turned on the inside of building, and now arm support rotates
Device is fixed on building by hydraulic support, to reach the purpose of safe construction.
Preferably, fluctuating orbit uses gear drive with arm support power bogey, by controlling arm support power carrying dress
The liter and drop of arm support power bogey are realized in the steering for putting motor, to ensure security, are had in power bogey standby
Motor.
Preferably, arm support rotating device can realize the two states of arm support lifting and fixed construction, in the not construction stage, arm
Frame rotating device is turned on the outside of building, and arm support can lift in orbit with arm support power bogey, is made without prejudice to construction
Other constructions in industry face；In the construction stage, arm support rotating device can be turned to quickly on the inside of building, now arm support rotating device
Quickly it can be fixed on by hydraulic support on building, to reach the purpose of safe construction, arm support is arranged on arm support rotating device
Turntable on, i.e., arm support can on the turntable on arm support rotating device rotary work, to realize the cast of construction surface diverse location,
And arm support rotating device simply allows arm support to be in two kinds of different conditions.
Preferably, concrete conveying pipe and fluctuating orbit are to use fluctuating orbit fixing device and pipeline fixing device
Depend on side of buildings to be installed, the installation and removal of concrete conveying pipe and fluctuating orbit are with pin hand in construction
Frame is set up and dismantled while carries out, to reduce repetition, repeatedly construction.
Preferably, the power Knucle-gear of power arm support bogey is fixed using guide rail and filled with being engaged between guide rail spur gear
Put makes the lifting position of arm support more accurate with spur gear fixing device, and the process of lifting is safer.
Preferably, concrete pump and lifting drive motor all use redundant system, can improve the reliability of system.
A kind of lifting proposed by the present invention and rotary type concrete cast pump machine, beneficial effect are：
(1) present invention, which designs lifting and rotary type concrete cast pump machine, can realize that the cast of high-rise building concrete is applied
Work.
(2) present invention can be realized while three concrete mixer truck batch turnings using ground concrete hopper, facilitate concrete
The disengaging of trucd mixer, concrete cast efficiency can be improved.
(3) present invention can improve concrete blockage problem in solution construction using concrete conveying pipe maintenance aperture apparatus
Efficiency, make concrete cast efficiency be improved.
(4) present invention makes the lifting position of arm support more accurate, the process of lifting is more using gear engagement and lifting rail
Add safety.
(5) present invention can realize the two states of arm support lifting and fixed construction using arm support rotating device, can reduce pair
The reciprocal effect of other constructions, can also realize safe construction.
(6) concrete pump in the present invention and lifting drive motor are all redundant systems, can improve the reliability of system.
Brief description of the drawings
Fig. 1 is a kind of side view lifted with rotary type concrete cast pump machine working condition proposed by the present invention；
Fig. 2 is a kind of side view lifted with rotary type concrete cast pump machine propradation proposed by the present invention；
Fig. 3 is a kind of ascending track front view lifted with rotary type concrete cast pump machine proposed by the present invention；
Fig. 4 is a kind of arm support bogey rearview lifted with rotary type concrete cast pump machine proposed by the present invention；
Fig. 5 is a kind of concrete conveying pipe manhole lifted with rotary type concrete cast pump machine proposed by the present invention
Front view；
Fig. 6 is a kind of concrete conveying pipe manhole lifted with rotary type concrete cast pump machine proposed by the present invention
Side view.
In figure：1 building, 2 ground concrete hoppers, 3 concrete pumps, 4 concrete conveying pipes, 4.1 tubular service holes,
4.2 port lids, 4.3 sealing rings, 4.4 screws, 5 fluctuating orbits, 5.1 spur gears, 6 power arm support bogeys, 6.1 guide rails fix dress
Put, 6.2 Knucle-gears, 6.3 spur gear fixing devices, 7 arm support rotating devices, 8 arm support turntables, 9 hydraulic cylinders, 10 arm supports, 11 connection
Flexible pipe, 12 discharge tubes, 13 rotating shafts, 14 fluctuating orbit fixing devices, 15 pipeline fixing devices, the carrying support of 16 power arm supports
Bar, 17 hydraulic supports, 18 motors.
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.
Reference picture 1-6, one kind lifting and rotary type concrete cast pump machine, including concrete running gate system and cast arm support
Lifting and rotary system, the lifting and rotary type concrete cast pump machine can be risen with the change of 1 construction floor height of building
Drop, cast arm support 10 can rotate to the inner side of building 1 and be fixed with building by hydraulic prop 17 to reach safe construction,
Conveyance conduit manhole 6.1 is set to improve efficiency of construction；The concrete running gate system includes：Ground concrete hopper 2, coagulation
Native conveyance conduit 4, concrete conveying pipe manhole 6.1, pipeline fixing device 15, concrete pump 3, cast telescopic jib 10,
Connection flexible pipe 11；The lifting of cast arm support and rotary system include：Riser guide 5, guide rail fixer 14, arm support power carrying dress
Put 6, arm support rotating device 7, hydraulic prop 17, the construction control device of arm support 10.
Concrete running gate system is by ground concrete hopper 2, concrete conveying pipe 4, concrete pump machine 3, connection flexible pipe
11st, telescopic jib 10, discharge tube 12 are formed, and the concrete mixed is poured into ground fabric by concrete mixer truck in work progress
After groove 2, the concrete in hopper passes through the concrete conveying pipe 4 installed in side of buildings in the presence of concrete pump 3
Construction floor is transported to, in construction surface using connection flexible pipe 11 by concrete conveying pipe 4 and concrete cast arm support 10
Pipeline is attached, and implements to pour into a mould eventually through discharge tube 12, telescopic jib 10 is controlled to complete construction surface difference
The concrete pouring practice of position.
Ground concrete hopper 2 should be located at broad vacant lot, to facilitate concrete mixer truck batch turning and disengaging, such as fruit
Enough broad in the position of groove, can realize the batch turning simultaneously of three concrete mixer truck, cast efficiency can be greatly improved.
Pipeline in concrete conveying pipe 4 and telescopic jib 10 all sets a manhole 6.1 per separated by a distance,
There is the treatment effeciency of concrete blockage problem to improve in construction, the manhole uses sealing ring 6.3, lid 6.2 and screw
6.4 are sealed, due to being in the state of high pressure in concrete duct in construction, in order to improve the operating efficiency of concrete pump,
The invention needs periodically to check manhole 6.1 in actual use.
Concrete conveying pipe 4 is to continue up installation with the rise of construction surface, is needed in the interface of pipeline 4 special
Pay attention to sealing effectiveness, and to inspect periodically, the sealing effectiveness of pipeline is better, and the operating efficiency of concrete pump 3 will be higher, to improve
Efficiency of construction, concrete pump 3 need to set stand-by pump 3.
Concrete conveying pipe 4 and the pipeline 4 in concrete cast arm support 10, in the not construction stage, the two pipelines 4 are
For off-state, the installation of concrete conveying pipe 4 and the lifting of telescopic jib 10 are facilitated, in construction stage of concrete,
The pipeline 4 that concrete conveying pipe 4 is poured into a mould with concrete in arm support 10 is attached using flexible pipe 11, needs to note in practical operation
The sealing of meaning interface.
Arm support lifting and rotary system are poured into a mould by riser guide 5, arm support power bogey 6, arm support rotating device 7 and arm
The construction fixing device 17 of frame is formed, and in the not construction stage, arm support rotating device 7 turns to the outside of building 1, and arm support can be with arm
Frame power bogey 6 lifts on the rail 5；In the construction stage, arm support rotating device 7 turns to the inner side of building 1, now arm support
Rotating device 7 is fixed on the building 1 by hydraulic support 17, to reach the purpose of safe construction.
Fluctuating orbit 5 is driven with arm support power bogey 6 using gear 6.2, by controlling arm support power bogey 6
The liter and drop of arm support power bogey 6 are realized in the steering of upper motor 18, to ensure security, are had in power bogey 6 standby
With motor 18.
Arm support rotating device 7 can realize that arm support 10 lifts and fixed the two states of construction, in the not construction stage, arm support rotation
Rotary device 7 turns to the outside of building 1, and arm support 10 can lift on the rail 5 with arm support power bogey 6, without prejudice to construction
Other constructions of the scope of operation；In the construction stage, arm support rotating device 7 can quickly turn to the inner side of building 1, and now arm support rotates
Device 7 can be fixed quickly on the building 1 by hydraulic support 17, and to reach the purpose of safe construction, arm support 10 is arranged on arm
On the turntable 8 of frame rotating device 7, i.e., arm support 10 can on the turntable 8 on arm support rotating device 7 rotary work, come realize construction
The cast of face diverse location, and arm support rotating device 7 simply allows arm support 10 to be in two kinds of different conditions.
Concrete conveying pipe 4 and fluctuating orbit 5 are to use fluctuating orbit fixing device 14 and pipeline fixing device 15
Depend on the side of building 1 to be installed, the installation and removal of concrete conveying pipe 4 and fluctuating orbit 5 are with the construction of building 1
Scaffold is set up and dismantled while carries out, to reduce repetition, repeatedly construction.
The power Knucle-gear 6.2 of power arm support bogey between guide rail spur gear 5.1 with engaging, using guide rail fixer
6.1 and spur gear fixing device 6.3 make the lifting position of arm support 10 more accurate, the process of lifting is safer.
Concrete pump 3 and lifting drive motor 18 all use redundant system, can improve the reliability of system.
The foregoing is only a preferred embodiment of the present invention, but protection scope of the present invention be not limited thereto,
Any one skilled in the art the invention discloses technical scope in, technique according to the invention scheme and its
Inventive concept is subject to equivalent substitution or change, should all be included within the scope of the present invention.
Claims (10)
1. one kind lifting and rotary type concrete cast pump machine, including concrete running gate system and the lifting of cast arm support and rotation system
System, it is characterised in that：The lifting and rotary type concrete cast pump machine can be lifted with the change of construction story height,
Cast arm support can rotate on the inside of building and is fixed with building by hydraulic prop to reach safe construction, set conveying
Tubular service hole, improve efficiency of construction；The concrete running gate system includes：Ground concrete hopper, concrete conveying pipe,
Concrete conveying pipe manhole, pipeline fixing device, concrete pump, cast telescopic jib, connection flexible pipe；Pour into a mould arm support lifting
Include with rotary system：Riser guide, guide rail fixer, arm support power bogey, arm support rotating device, hydraulic prop,
The construction control device of arm support.
2. a kind of lifting according to claim 1 and rotary type concrete cast pump machine, it is characterised in that：Concrete is poured into a mould
System is by ground concrete hopper, concrete conveying pipe, concrete pump machine, connection flexible pipe, telescopic jib, discharge tube structure
Into after the concrete mixed is poured into ground hopper by concrete mixer truck in work progress, the concrete in hopper is in coagulation
Construction floor is transported to by the concrete conveying pipe installed in side of buildings in the presence of native pump, in construction surface using company
Connect flexible pipe to be attached concrete conveying pipe and the pipeline in concrete cast arm support, implement to pour eventually through discharge tube
Note, is controlled to telescopic jib to complete the concrete pouring practice of construction surface diverse location.
3. concrete running gate system according to claim 2, it is characterised in that：Ground concrete hopper should be located at broad
Vacant lot, to facilitate concrete mixer truck batch turning and disengaging, if enough broad in the position of hopper, can realize three coagulations
The batch turning simultaneously of native trucd mixer, can be greatly improved cast efficiency.
4. concrete running gate system according to claim 2, it is characterised in that：In concrete conveying pipe and telescopic jib
Pipeline per it is separated by a distance all set a manhole, come improve construction in occur concrete blockage problem processing effect
Rate, the manhole are sealed using sealing ring, lid and screw, due to being in the shape of high pressure in concrete duct in construction
State, in order to improve the operating efficiency of concrete pump, the invention needs periodically to check manhole in actual use.
5. concrete running gate system according to claim 2, it is characterised in that：Concrete conveying pipe is with construction surface
Rise and continue up installation, sealing effectiveness is paid particular attention at pipe joint, and to inspect periodically, the sealing of pipeline
Effect is better, and concrete pump operating efficiency will be higher, and to improve efficiency of construction, concrete pump needs to set stand-by pump.
6. concrete running gate system according to claim 2, it is characterised in that：Concrete conveying pipe is poured into a mould with concrete
Pipeline in arm support, in the not construction stage, the two pipelines are in order at off-state, facilitate the installation of concrete conveying pipe
With the lifting of telescopic jib, in construction stage of concrete, concrete conveying pipe uses with the pipeline in concrete cast arm support
Flexible pipe is attached, and the sealing of interface is should be noted in practical operation.
7. a kind of lifting according to claim 1 and rotary type concrete cast pump machine, it is characterised in that：Pour into a mould arm support liter
Drop and rotary system are made up of the construction fixing device of riser guide, arm support power bogey, arm support rotating device and arm support,
In the not construction stage, arm support rotating device is turned on the outside of building, and arm support can rise in orbit with arm support power bogey
Drop；In the construction stage, arm support rotating device is turned on the inside of building, and now arm support rotating device is fixed on building by hydraulic support
On thing, to reach the purpose of safe construction.
8. arm support lifting and rotary system are poured into a mould according to claim 7, it is characterised in that：Fluctuating orbit is held with arm support power
Carry and put using gear drive, by controlling the steering of motor on arm support power bogey to realize arm support power bogey
Rise and drop, to ensure security, there is standby motor in power bogey.
9. arm support lifting and rotary system are poured into a mould according to claim 7, it is characterised in that：Arm support rotating device can realize arm
Frame lifts and the two states of fixed construction, and in the not construction stage, arm support rotating device is turned on the outside of building, and arm support can be with
Arm support power bogey lifts in orbit, without prejudice to other constructions of operation side；In the construction stage, arm support rotating dress
Putting can quickly be turned on the inside of building, and now arm support rotating device quickly can be fixed on building by hydraulic support, with
Reach the purpose of safe construction, arm support is arranged on the turntable of arm support rotating device, i.e., arm support can be on arm support rotating device
Rotary work on turntable, to realize the cast of construction surface diverse location, and arm support rotating device simply allows arm support to be in two kinds not
Same state.
10. a kind of lifting according to claim 1 and rotary type concrete cast pump machine, it is characterised in that：Concrete is defeated
It is to be depended on side of buildings using fluctuating orbit fixing device and pipeline fixing device and installed to send pipeline and fluctuating orbit,
The installation and removal of concrete conveying pipe and fluctuating orbit with construction scaffold set up and dismantle while carry out,
To reduce repetition, repeatedly construction；
The power Knucle-gear of power arm support bogey is consolidated with being engaged between guide rail spur gear using guide rail fixer and spur gear
Determining device makes the lifting position of arm support more accurate, and the process of lifting is safer；
Concrete pump and lifting drive motor all use redundant system, can improve the reliability of system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711067906.5A CN107587718A (en) | 2017-11-03 | 2017-11-03 | One kind lifting and rotary type concrete cast pump machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711067906.5A CN107587718A (en) | 2017-11-03 | 2017-11-03 | One kind lifting and rotary type concrete cast pump machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107587718A true CN107587718A (en) | 2018-01-16 |
Family
ID=61045054
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711067906.5A Pending CN107587718A (en) | 2017-11-03 | 2017-11-03 | One kind lifting and rotary type concrete cast pump machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107587718A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109057350A (en) * | 2018-09-30 | 2018-12-21 | 中铁六局集团广州工程有限公司 | Concrete casting device and casting system |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1170074A (en) * | 1996-07-04 | 1998-01-14 | 株木建设株式会社 | Constructing apparatus for concrete construction |
| CN201056467Y (en) * | 2007-07-09 | 2008-05-07 | 杨双来 | Tower crane capable of completing concrete distribution |
| CN203394063U (en) * | 2013-08-02 | 2014-01-15 | 广西建工集团建筑机械制造有限责任公司 | Concrete spreader attached to tower crane |
| CN206053347U (en) * | 2016-09-14 | 2017-03-29 | 中国建筑第八工程局有限公司 | Concrete hopper |
| CN207660288U (en) * | 2017-11-03 | 2018-07-27 | 西安科技大学 | A kind of lift pours into a mould pump machine with rotary type concrete |
-
2017
- 2017-11-03 CN CN201711067906.5A patent/CN107587718A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1170074A (en) * | 1996-07-04 | 1998-01-14 | 株木建设株式会社 | Constructing apparatus for concrete construction |
| CN201056467Y (en) * | 2007-07-09 | 2008-05-07 | 杨双来 | Tower crane capable of completing concrete distribution |
| CN203394063U (en) * | 2013-08-02 | 2014-01-15 | 广西建工集团建筑机械制造有限责任公司 | Concrete spreader attached to tower crane |
| CN206053347U (en) * | 2016-09-14 | 2017-03-29 | 中国建筑第八工程局有限公司 | Concrete hopper |
| CN207660288U (en) * | 2017-11-03 | 2018-07-27 | 西安科技大学 | A kind of lift pours into a mould pump machine with rotary type concrete |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109057350A (en) * | 2018-09-30 | 2018-12-21 | 中铁六局集团广州工程有限公司 | Concrete casting device and casting system |
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Application publication date: 20180116 |