CN108724467A - A kind of construction concrete central mix plant - Google Patents
A kind of construction concrete central mix plant Download PDFInfo
- Publication number
- CN108724467A CN108724467A CN201810560535.2A CN201810560535A CN108724467A CN 108724467 A CN108724467 A CN 108724467A CN 201810560535 A CN201810560535 A CN 201810560535A CN 108724467 A CN108724467 A CN 108724467A
- Authority
- CN
- China
- Prior art keywords
- wall
- close
- agitator
- bolted
- pedestal
- 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.)
- Pending
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28C—PREPARING CLAY; PRODUCING MIXTURES CONTAINING CLAY OR CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28C7/00—Controlling the operation of apparatus for producing mixtures of clay or cement with other substances; Supplying or proportioning the ingredients for mixing clay or cement with other substances; Discharging the mixture
- B28C7/04—Supplying or proportioning the ingredients
- B28C7/06—Supplying the solid ingredients, e.g. by means of endless conveyors or jigging conveyors
- B28C7/10—Supplying the solid ingredients, e.g. by means of endless conveyors or jigging conveyors by means of rotary members, e.g. inclinable screws
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28C—PREPARING CLAY; PRODUCING MIXTURES CONTAINING CLAY OR CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28C5/00—Apparatus or methods for producing mixtures of cement with other substances, e.g. slurries, mortars, porous or fibrous compositions
- B28C5/08—Apparatus or methods for producing mixtures of cement with other substances, e.g. slurries, mortars, porous or fibrous compositions using driven mechanical means affecting the mixing
- B28C5/18—Mixing in containers to which motion is imparted to effect the mixing
- B28C5/20—Mixing in containers to which motion is imparted to effect the mixing rotating about a horizontal or substantially horizontal axis during mixing, e.g. without independent stirrers
Landscapes
- Chemical & Material Sciences (AREA)
- Dispersion Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Structural Engineering (AREA)
- Preparation Of Clay, And Manufacture Of Mixtures Containing Clay Or Cement (AREA)
- On-Site Construction Work That Accompanies The Preparation And Application Of Concrete (AREA)
Abstract
The invention belongs to Architectural Equipment technical fields, especially a kind of construction concrete central mix plant, it easily lumps for raw material, blender stability in concrete material mixing process is not high, ineffective problem, now propose following scheme, including pedestal, the upper surface of the pedestal has been bolted bearing race fixed frame by two close end, and the top of two bearing race fixed frames has been bolted circular cone roller bearing, it is rotatably connected between the inner ring of two circular cone roller bearings in same and sets the agitator of cavity in tubular construction, the circumferential inner wall of the agitator is provided with thread groove, and the circumferential inner wall of agitator is welded with the arc stock guide equidistantly distributed.The present invention can not only be mixed internal stone and cement, and the concrete being condensed into blocks in advance can be crushed by stock guide well, avoid concrete coagulation blocking to influence the use in later stage.
Description
Technical field
The present invention relates to Architectural Equipment technical field more particularly to a kind of construction concrete central mix plants.
Background technology
Concrete mixer is the mixing of cement, sandstone aggregate and water and mixing is at the machinery of concrete mixture, coagulation
Native blender presses its operation principle, can be divided into gravity type and forced action type two major classes, and self-discharge concrete mixer is suitable for stirring
Plastic concrete is mixed, the stirring action of forced mixer is stronger than self-falling mixer, preferably stirs dry concrete and light
Aggregate concrete.
Existing concrete mixer when in use there is being stirred to raw material when, raw material easily lumps, blender exists
Stability is not high in concrete material mixing process, working efficiency is low, inconvenient movement, is limited by work-yard, is stirred not
Uniform the problems such as being limited by work-yard.
Invention content
It is easily lumpd based on raw material, blender stability in concrete material mixing process is not high, working efficiency is low
The technical issues of, the present invention proposes a kind of construction concrete central mix plant.
A kind of construction concrete central mix plant proposed by the present invention, including pedestal, the upper surface of the pedestal are leaned on
Two close end has been bolted bearing race fixed frame, and the top of two bearing race fixed frames has been bolted circle
Roller bearing is bored, is rotatably connected between the inner ring of two circular cone roller bearings and sets cavity in same in tubular construction
The circumferential inner wall of agitator, the agitator is provided with thread groove, and the circumferential inner wall of agitator is welded with the arc equidistantly distributed
Shape stock guide has been bolted disk cover board and outlet damper, the pedestal at the both ends open of the agitator respectively
Upper surface be bolted support plate close to one end of disk cover board, and the top of support plate is welded with T-shaped slider, institute
The outer wall for stating T-shaped slider slidably connects header board, and the upper surface of the header board has been bolted delivery pipe, and conveys
The bottom outer wall of pipe is fixed with bearing block by screw, and round bar, and the outer circumferential walls of round bar are rotatably connected in the bearing block
It is socketed with helical blade, the distance between the outer wall of helical blade and the inner wall of delivery pipe are less than one centimetre, the header board
Lower surface has been bolted driving motor, and the output shaft top of driving motor and the top of round bar difference by close end
It is welded with drive pulley and driven pulley, the upper surface of the pedestal is fixed with controller close to edge by screw.
Preferably, the lower surface of the pedestal has been bolted universal wheel close to four corners, and pedestal
Lower surface is fixed with electric telescopic rod at universal wheel by screw, and the top of electric telescopic rod extension rod passes through screw
It is fixed with non-slipping block, the low side of non-slipping block is provided with anti-slop serrations, and four electric telescopic rods are connected with switch by conducting wire, and switch
It is connected with the signal output end of controller by signal wire.
Preferably, the cross section of the thread groove is in semi-circular structure, and the inner wall of thread groove makees polishing treatment, arc guide
Plate is equidistant to be interspersed in the circumferential inner wall of agitator.
Preferably, the both ends outer circumferential walls of the agitator are reserved with annular groove, and the ruler of annular groove close to opening
Very little to be adapted with the diameter of circular cone roller bearing inner race, two circular cone roller bearings are symmetric.
Preferably, the outer circumferential walls of the agitator are socketed with driven tooth torus, and the upper surface of pedestal is close to driven tooth
Rectangular recess is provided with immediately below torus, the bottom of rectangular recess is fixed with clip by screw, main motor is connected in clip,
The output shaft top of main motor is welded with driving gear, and driving gear intermeshes together with driven tooth torus, driving gear
For anti-leaping herringbone bear.
Preferably, the main motor is connected with control switch by conducting wire, and controls switch and pass through signal wire and controller
Signal output end be connected.
Preferably, the agitator has been bolted loudspeaker close to one end outer circumferential walls of outlet damper by close end
Flaring, and there are gaps, outlet damper to be provided with equidistant point close to edge between the outer wall and the outer wall of pedestal of loudspeaker flaring
The sector notch of cloth, and the same blinds window cover is rotatably connected in sector notch.
Preferably, the centre of the disk cover board is reserved with circular hole, and welding and sliding bearing in circular hole, sliding bearing
It is formed and is slidably connected between inner wall and the outer wall of delivery pipe, the outer wall of delivery pipe is connected with sealing close to the distal end of sliding bearing
It encloses, outer edge is rounded down at the nozzle of delivery pipe.
Preferably, the lower surface of the header board is provided with T shape sliding slots compatible with T-shaped slider, and the upper table of header board
Face has been bolted snap ring compatible with delivery pipe, and support plate is provided with mounting hole close to top, is connected in mounting hole
The top of hydraulic mandril extension rod has been bolted compression bar, and the top of compression bar is fixed on the lower surface of header board.
Preferably, it is formed and is sequentially connected between the drive pulley and driven pulley, the switch of driving motor passes through
Signal wire is connected with the signal output end of controller, and the outer wall of delivery pipe is welded with conical hopper far from one end of disk cover board.
Having the beneficial effect that in the present invention：
1, by the helical blade and delivery pipe of the rotation of setting, handstone and cement can be carried out one during conveying
Secondary mixing carries out feeding in the dynamic of stirring, improves transfer efficiency, reduces later stage mixing time, improves stirring efficiency.
2, by the thread groove of setting and it is equidistant be interspersed in the stock guide of agitator inner wall, not only can be to inside
Stone and cement be mixed, and stock guide can well break the concrete being condensed into blocks in advance
It is broken, avoid concrete coagulation blocking to influence the use in later stage.
3, the circular cone roller bearing being symmetric by the driving gear of the herringbone bear of setting and two, ensure that dress
Set during stirring will not with the shaking of inner concrete left and right play, to improve the stability of device.
4, by four universal wheels and electric telescopic rod of setting, it can not only ensure that device is moved easily, and in work
Device can be positioned well when work, avoid its sliding.
Description of the drawings
Fig. 1 is a kind of schematic cross-sectional view of construction concrete central mix plant proposed by the present invention；
Fig. 2 is a kind of overlooking structure diagram of construction concrete central mix plant proposed by the present invention；
Fig. 3 is a kind of side structure schematic view of construction concrete central mix plant proposed by the present invention；
Fig. 4 is a kind of structural schematic diagram of construction concrete central mix plant support plate proposed by the present invention；
Fig. 5 is a kind of main structure diagram of construction concrete central mix plant disk cover version proposed by the present invention.
In figure：1 pedestal, 2 support plates, 3 mounting holes, 4 hydraulic mandrils, 5 T-shaped sliders, 6 driving motors, 7 drive pulleys,
8 driven pulleies, 9 bearing blocks, 10 helical blades, 11 delivery pipes, 12 loading hoppers, 13 T shapes sliding slots, 14 round bars, 15 sealings
Circle, 16 slide covers, 17 channel steel sliding rails, 18 disk cover versions, 19 arc stock guides, 20 thread grooves, 21 agitators, 22 exit catches
Plate, 23 blinds window covers, the flaring of 24 loudspeaker, circular cone roller bearing, 26 bearing race fixed frames, 27 universal wheels, 28 electric telescopic rods,
29 main motors, 30 clips, 31 rectangular recess, 32 driving gears, 33 driven tooth torus, 34 header boards, 35 sliding bearings.
Specific implementation mode
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation describes, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.
Referring to Fig.1-5, a kind of construction concrete central mix plant, including pedestal 1, the upper surface of pedestal 1 is close to two
End has been bolted bearing race fixed frame 26, and the top of two bearing race fixed frames 26 has been bolted circle
Roller bearing 25 is bored, is rotatably connected between the inner ring of two circular cone roller bearings 25 and sets cavity in same in tubular construction
The circumferential inner wall of agitator 21, agitator 21 is provided with thread groove 20, and the circumferential inner wall of agitator 21 is welded with and equidistantly distributes
Arc stock guide 19, be bolted disk cover board 18 and outlet damper 22 respectively at the both ends open of agitator 21,
The upper surface of pedestal 1 has been bolted support plate 2 close to one end of disk cover board 18, and the top of support plate 2 is welded with T
The outer wall of shape sliding block 5, T-shaped slider 5 slidably connects header board 34, and the upper surface of header board 34 has been bolted delivery pipe
11, and the bottom outer wall of delivery pipe 11 is fixed with bearing block 9 by screw, and round bar 14, and round bar are rotatably connected in bearing block 9
14 outer circumferential walls are socketed with helical blade 10, and the distance between the outer wall of helical blade 10 and the inner wall of delivery pipe 11 are less than one
Centimetre, the lower surface of header board 34 has been bolted driving motor 6, and the output shaft top of driving motor 6 by close end
And the top of round bar 14 is respectively welded drive pulley 7 and driven pulley 8, the outer wall of disk cover board 18 is close to sliding axle
The both sides for holding 35 are welded with two openings relatively and channel steel sliding rail 17 parallel to each other, and the company of sliding between two channel steel sliding rails 17
It is connected to slide cover 16, the upper surface of pedestal 1 is fixed with controller close to edge by screw.
In the present invention, the lower surface of pedestal 1 has been bolted universal wheel 27, and pedestal 1 close to four corners
Lower surface electric telescopic rod 28 is fixed with by screw at universal wheel 27, the top of 28 extension rod of electric telescopic rod is equal
It is fixed with non-slipping block by screw, the low side of non-slipping block is provided with anti-slop serrations, and four electric telescopic rods 28 are connected with by conducting wire
Switch, and switch is connected by signal wire with the signal output end of controller, the cross section of thread groove 20 is in semi-circular structure, and spiral shell
The inner wall of groove 20 makees polishing treatment, and arc stock guide 19 is equidistant to be interspersed in the circumferential inner wall of agitator 21, agitator
21 both ends outer circumferential walls are reserved with annular groove close to opening, and the size of annular groove with 25 inner ring of circular cone roller bearing
Diameter be adapted, two circular cone roller bearings 25 are symmetric.
The outer circumferential walls of agitator 21 are socketed with driven tooth torus 33, and the upper surface of pedestal 1 is close to driven tooth torus 33
Underface be provided with rectangular recess 31, the bottom of rectangular recess 31 is fixed with clip 30 by screw, master is connected in clip 30
The output shaft top of motor 29, main motor 29 is welded with driving gear 32, and driving gear 32 intermeshes with driven tooth torus 33
Together, driving gear 32 is anti-leaping herringbone bear, and main motor 29 is connected with control switch by conducting wire, and controls switch
It is connected with the signal output end of controller by signal wire, agitator 21 leans on proximal end close to one end outer circumferential walls of outlet damper 22
Portion has been bolted loudspeaker flaring 24, and there are gap, exit catches between the outer wall and the outer wall of pedestal 1 of loudspeaker flaring 24
Plate 22 is provided with the sector notch equidistantly distributed close to edge, and the same blinds window cover is rotatably connected in sector notch
23。
The centre of disk cover board 18 is reserved with circular hole, and welding and sliding bearing 35 in circular hole, the inner wall of sliding bearing 35
It is formed and is slidably connected between the outer wall of delivery pipe 11, the outer wall of delivery pipe 11 is connected with sealing close to the distal end of sliding bearing 35
15 are enclosed, outer edge is rounded down at the nozzle of delivery pipe 11, and the lower surface of header board 34 is provided with T shapes compatible with T-shaped slider 5
Sliding slot 13, and the upper surface of header board 34 has been bolted snap ring compatible with delivery pipe 11, support plate 2 is close to top
It is provided with mounting hole 3, the top that 4 extension rod of hydraulic mandril is connected in mounting hole 3 has been bolted compression bar, the top of compression bar
It is fixed on the lower surface of header board 34, is formed and is sequentially connected between drive pulley 7 and driven pulley 8, driving motor 6 is opened
Pass is connected by signal wire with the signal output end of controller, and the outer wall of delivery pipe 11 is welded with far from one end of disk cover board 18
Conical hopper 12, the model DATA-7311 of controller.
Stone and cement are poured into conical hopper 12 when use, are then turned on driving motor 6 later, in helical blade 10
The cement being stirred and stone are delivered in agitator 21 under the action of worm drive；Control the promotion of hydraulic mandril 4 again later
Delivery pipe 11 is detached from sliding bearing 35；Will be in inlet cover by slide cover 16；Start main motor 29 and start rotation, turns
The concrete disintegrating being condensed into blocks is transported at outlet damper 22 by arc stock guide 19 on one side during dynamic；It stirs evenly
Rotary shutter baffle 23 exposes fan-shaped outlet afterwards, is rotating clockwise agitator 21.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto,
Any one skilled in the art in the technical scope disclosed by the present invention, according to the technique and scheme of the present invention and its
Inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.
Claims (10)
1. a kind of construction concrete central mix plant, including pedestal（1）, which is characterized in that the pedestal（1）Upper surface
Bearing race fixed frame has been bolted by two close end（26）, and two bearing race fixed frames（26）Top pass through spiral shell
Bolt is fixed with circular cone roller bearing（25）, two circular cone roller bearings（25）Inner ring between be rotatably connected to it is same in
If the agitator of cavity in tubular construction（21）, the agitator（21）Circumferential inner wall be provided with thread groove（20）, and agitator
（21）Circumferential inner wall be welded with the arc stock guide equidistantly distributed（19）, the agitator（21）Both ends open at distinguish
It has been bolted disk cover board（18）And outlet damper（22）, the pedestal（1）Upper surface close to disk cover board（18）
One end be bolted support plate（2）, and support plate（2）Top be welded with T-shaped slider（5）, the T-shaped slider
（5）Outer wall slidably connect header board（34）, the header board（34）Upper surface be bolted delivery pipe（11）,
And delivery pipe（11）Bottom outer wall bearing block is fixed with by screw（9）, the bearing block（9）Inside it is rotatably connected to round bar
（14）, and round bar（14）Outer circumferential walls be socketed with helical blade（10）, helical blade（10）Outer wall and delivery pipe（11）'s
The distance between inner wall is less than one centimetre, the header board（34）Lower surface be bolted driving motor by close end
（6）, and driving motor（6）Output shaft top and round bar（14）Top be respectively welded drive pulley（7）With it is driven
Belt pulley（8）, the disk cover board（18）Outer wall close to sliding bearing（35）To be welded with two openings opposite and mutually for both sides
Parallel channel steel sliding rail（17）, and two channel steel sliding rails（17）Between slidably connect slide cover（16）, the pedestal（1）
Upper surface controller is fixed with by screw close to edge.
2. a kind of construction concrete central mix plant according to claim 1, which is characterized in that the pedestal（1）
Lower surface be bolted universal wheel close to four corners（27）, and pedestal（1）Lower surface close to universal wheel
（27）Place is fixed with electric telescopic rod by screw（28）, electric telescopic rod（28）The top of extension rod is fixed by screw
There are non-slipping block, the low side of non-slipping block to be provided with anti-slop serrations, four electric telescopic rods（28）Switch is connected with by conducting wire, and is switched
It is connected with the signal output end of controller by signal wire.
3. a kind of construction concrete central mix plant according to claim 1, which is characterized in that the thread groove
（20）Cross section be in semi-circular structure, and thread groove（20）Inner wall make polishing treatment, arc stock guide（19）It is equidistant to interlock
It is distributed in agitator（21）Circumferential inner wall.
4. a kind of construction concrete central mix plant according to claim 1, which is characterized in that the agitator
（21）Both ends outer circumferential walls be reserved with annular groove close to opening, and the size of annular groove with circular cone roller bearing（25）
The diameter of inner ring is adapted, two circular cone roller bearings（25）It is symmetric.
5. a kind of construction concrete central mix plant according to claim 1, which is characterized in that the agitator
（21）Outer circumferential walls be socketed with driven tooth torus（33）, and pedestal（1）Upper surface close to driven tooth torus（33）Just under
Fang Kaiyou rectangular recess（31）, rectangular recess（31）Bottom clip is fixed with by screw（30）, clip（30）Inside it is connected with
Main motor（29）, main motor（29）Output shaft top be welded with driving gear（32）, driving gear（32）With driven tooth torus
（33）It intermeshes together, driving gear（32）For anti-leaping herringbone bear.
6. a kind of construction concrete central mix plant according to claim 5, which is characterized in that the main motor
（29）It is connected with control switch by conducting wire, and controls switch and is connected with the signal output end of controller by signal wire.
7. a kind of construction concrete central mix plant according to claim 1, which is characterized in that the agitator
（21）Close to outlet damper（22）One end outer circumferential walls be bolted loudspeaker flaring by close end（24）, and loudspeaker expand
Mouthful（24）Outer wall and pedestal（1）Outer wall between there are gap, outlet dampers（22）It is provided with and equidistantly distributes close to edge
Sector notch, and the same blinds window cover is rotatably connected in sector notch（23）.
8. a kind of construction concrete central mix plant according to claim 1, which is characterized in that the disk cover board
（18）Centre be reserved with circular hole, and welding and sliding bearing in circular hole（35）, sliding bearing（35）Inner wall and delivery pipe
（11）Outer wall between formed and be slidably connected, delivery pipe（11）Outer wall close to sliding bearing（35）Distal end be connected with sealing ring
（15）, delivery pipe（11）Nozzle at outer edge be rounded down.
9. a kind of construction concrete central mix plant according to claim 1, which is characterized in that the header board
（34）Lower surface be provided with and T-shaped slider（5）Compatible T shapes sliding slot（13）, and header board（34）Upper surface pass through bolt
It is fixed with and delivery pipe（11）Compatible snap ring, support plate（2）It is provided with mounting hole close to top（3）, mounting hole（3）Interior clamping
There is hydraulic mandril（4）The top of extension rod has been bolted compression bar, and the top of compression bar is fixed on header board（34）Following table
Face.
10. a kind of construction concrete central mix plant according to claim 1, which is characterized in that the active skin
Belt wheel（7）And driven pulley（8）Between formed be sequentially connected, driving motor（6）Switch pass through signal wire and controller
Signal output end is connected, delivery pipe（11）Outer wall far from disk cover board（18）One end be welded with conical hopper（12）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810560535.2A CN108724467A (en) | 2018-06-04 | 2018-06-04 | A kind of construction concrete central mix plant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810560535.2A CN108724467A (en) | 2018-06-04 | 2018-06-04 | A kind of construction concrete central mix plant |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108724467A true CN108724467A (en) | 2018-11-02 |
Family
ID=63932039
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810560535.2A Pending CN108724467A (en) | 2018-06-04 | 2018-06-04 | A kind of construction concrete central mix plant |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108724467A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109479433A (en) * | 2018-11-27 | 2019-03-19 | 黄仙才 | A kind of agricultural rice cultivation seed coat insect-pest processing unit |
| CN109591161A (en) * | 2018-12-29 | 2019-04-09 | 重庆市永川区红地建材有限责任公司 | Adobe extrusion device |
| CN109624082A (en) * | 2019-01-23 | 2019-04-16 | 杭州嘉淼技术服务有限公司 | A kind of agitating device with defencive function for construction site |
| CN111702958A (en) * | 2020-07-06 | 2020-09-25 | 李彦红 | Concrete mixing equipment convenient to business turn over material |
| CN112008877A (en) * | 2020-09-03 | 2020-12-01 | 侯小柱 | CF50 concrete preparation process |
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| CN206812222U (en) * | 2017-03-09 | 2017-12-29 | 贵州宇昆商砼技术服务有限公司 | A kind of drum concrete mixer |
| CN206899520U (en) * | 2017-06-28 | 2018-01-19 | 陈佳露 | Concrete mixer feed arrangement |
| CN208697701U (en) * | 2018-06-04 | 2019-04-05 | 贵州湄潭鑫盛建材有限公司 | A kind of construction concrete central mix plant |
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| JP2005219360A (en) * | 2004-02-06 | 2005-08-18 | Fujita Corp | Simple, tilting barrel-type mixer for concrete testing |
| CN206812222U (en) * | 2017-03-09 | 2017-12-29 | 贵州宇昆商砼技术服务有限公司 | A kind of drum concrete mixer |
| CN206899520U (en) * | 2017-06-28 | 2018-01-19 | 陈佳露 | Concrete mixer feed arrangement |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109479433A (en) * | 2018-11-27 | 2019-03-19 | 黄仙才 | A kind of agricultural rice cultivation seed coat insect-pest processing unit |
| CN109591161A (en) * | 2018-12-29 | 2019-04-09 | 重庆市永川区红地建材有限责任公司 | Adobe extrusion device |
| CN109624082A (en) * | 2019-01-23 | 2019-04-16 | 杭州嘉淼技术服务有限公司 | A kind of agitating device with defencive function for construction site |
| CN111702958A (en) * | 2020-07-06 | 2020-09-25 | 李彦红 | Concrete mixing equipment convenient to business turn over material |
| CN112008877A (en) * | 2020-09-03 | 2020-12-01 | 侯小柱 | CF50 concrete preparation process |
| CN112008877B (en) * | 2020-09-03 | 2021-11-19 | 台州市强盛混凝土有限公司 | CF50 concrete preparation process |
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Application publication date: 20181102 |
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