CN108638331A - A kind of mixing drum of concrete mixer convenient for cleaning - Google Patents
A kind of mixing drum of concrete mixer convenient for cleaning Download PDFInfo
- Publication number
- CN108638331A CN108638331A CN201810737404.7A CN201810737404A CN108638331A CN 108638331 A CN108638331 A CN 108638331A CN 201810737404 A CN201810737404 A CN 201810737404A CN 108638331 A CN108638331 A CN 108638331A
- Authority
- CN
- China
- Prior art keywords
- mixing drum
- sleeve
- fixedly connected
- rotation axis
- slot
- 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
Links
- 238000004140 cleaning Methods 0.000 title claims abstract description 24
- 238000003756 stirring Methods 0.000 claims description 9
- 239000012528 membrane Substances 0.000 claims description 4
- 210000002421 cell wall Anatomy 0.000 claims description 3
- 239000011159 matrix material Substances 0.000 claims description 3
- 239000000463 material Substances 0.000 claims 1
- 230000008878 coupling Effects 0.000 abstract description 3
- 238000010168 coupling process Methods 0.000 abstract description 3
- 238000005859 coupling reaction Methods 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 4
- 239000002699 waste material Substances 0.000 description 4
- 239000000203 mixture Substances 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 239000002689 soil Substances 0.000 description 2
- 239000004568 cement Substances 0.000 description 1
- 230000015271 coagulation Effects 0.000 description 1
- 238000005345 coagulation Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- 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
- B28C5/10—Mixing in containers not actuated to effect the mixing
- B28C5/12—Mixing in containers not actuated to effect the mixing with stirrers sweeping through the materials, e.g. with incorporated feeding or discharging means or with oscillating stirrers
- B28C5/16—Mixing in containers not actuated to effect the mixing with stirrers sweeping through the materials, e.g. with incorporated feeding or discharging means or with oscillating stirrers the stirrers having motion about a vertical or steeply inclined axis
-
- 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
- B28C5/0806—Details; Accessories
-
- 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
- B28C5/0806—Details; Accessories
- B28C5/0812—Drum mixer cover, e.g. lid
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Structural Engineering (AREA)
- Preparation Of Clay, And Manufacture Of Mixtures Containing Clay Or Cement (AREA)
Abstract
The invention discloses a kind of mixing drums of the concrete mixer convenient for cleaning, mixing drum including upper end opening, it is fixedly connected with driving motor at the bottom centre of mixing drum, the output end of driving motor is connected with rotation axis by shaft coupling, the one end of rotation axis far from driving motor passes through the cylinder bottom of mixing drum and extends into mixing drum, the upper end of rotation axis offers fixing groove, the sleeve of one end open is arranged on the axial wall of rotation axis in mixing drum, the open end of sleeve is arranged towards driving motor, cylinder bottom in sleeve is fixedly connected with fixed link, the one end of fixed link far from sleeve cylinder bottom is plugged in fixing groove, fixed link symmetrically offers locating slot on the correspondence bar wall of one end position of fixing groove slot bottom, the slot bottom of locating slot is fixedly connected with spring, the other end of spring is fixedly connected with locating piece.The present invention easily cleans it by taking out the sleeve contacted with mixed mud and blade from mixing drum.
Description
Technical field
The present invention relates to the stirrings of Architectural Equipment technical field more particularly to a kind of concrete mixer convenient for cleaning
Cylinder.
Background technology
It is well known that concrete mixer is common mechanical equipment in construction, it can be by cement, sandstone aggregate
It is mixed and stirred for that concrete mixture is made with water, concrete mixer is during making concrete mixture, blender
Mixing drum inner wall, can all be stained with many concrete mixtures above agitating roller and paddle, so every time after use all
Concrete mixer can be cleaned.
Traditional concrete mixer, is limited by structure, is all to inject water into utilize in mixing drum to stir in cleaning
It mixes roller and paddle is stirred water, mixing drum and paddle are cleaned by means of which, since cleaning process exists
It is carried out inside mixing drum, people can not observe cleaning performance, it is often necessary to clean repeatedly several times, this results in traditional coagulation
The cleaning of native blender, especially stirring blade is inconvenient.
Invention content
Inconvenient the purpose of the present invention is to solve concrete mixer in the prior art, especially stirring blade cleaning
Problem, and a kind of mixing drum of the concrete mixer convenient for cleaning proposed.
To achieve the goals above, present invention employs following technical solutions：
A kind of mixing drum of concrete mixer convenient for cleaning, includes the mixing drum of upper end opening, the mixing drum
Driving motor is fixedly connected at bottom centre, the output end of the driving motor is connected with rotation axis by shaft coupling, described
The one end of rotation axis far from driving motor passes through the cylinder bottom of mixing drum and extends into mixing drum, and the upper end of the rotation axis opens up
There is fixing groove, the sleeve of one end open, the open end of the sleeve are arranged on the axial wall of rotation axis in the mixing drum
Be arranged towards driving motor, the cylinder bottom in the sleeve is fixedly connected with fixed link, the fixed link far from sleeve cylinder bottom one
End is plugged in fixing groove, and the fixed link symmetrically offers positioning on the correspondence bar wall of one end position of fixing groove slot bottom
The slot bottom of slot, the locating slot is fixedly connected with spring, and the other end of the spring is fixedly connected with locating piece, the rotation axis
Axial wall and sleeve barrel on correspond to the position of locating piece and linearly offer first positioning hole and second location hole respectively, institute
The one end of locating piece far from spring is stated to sequentially pass through the notch of locating slot and first positioning hole and into second location hole extend, institute
It states mixing drum and is communicated with discharge port on the barrel of bottom, it is vertically uniformly and equidistantly symmetrical on the barrel of the sleeve
It is connected with several groups blade.
Preferably, the open end hinge connection of the mixing drum has cover, the bottom of the cover to be fixedly connected with splashproof
Disk, matrix is uniformly and equidistantly connected with several anti-sticking teeth in a ring for the bottom of the anti-splashing disk.
Preferably, symmetrically offer sliding slot on the correspondence cell wall of the locating slot, be slidably connected in the sliding slot there are one
Sliding block, two sliding blocks pass through the notch of sliding slot close to the side of locating piece and extend outwardly, and are fixedly connected on locating piece
Correspondence side wall on.
Preferably, it is fixedly connected with elastic membrane on hole wall of the second location hole far from rotation axis one end.
Preferably, the sleeve lower end and the place of being arranged of rotation axis axial wall are equipped with seal washer, and the seal washer is fixed
It is connected on the inner tube wall of sleeve.
Preferably, valve is installed on the discharge port.
Compared with prior art, the present invention provides it is a kind of convenient for cleaning concrete mixer mixing drum, have with
Lower advantageous effect：
1, should convenient for cleaning concrete mixer mixing drum, by be arranged rotation axis, fixing groove, sleeve, fixed link,
Locating slot, spring, locating piece, first positioning hole and second location hole, when needing to clean mixing drum, to being located in second location hole
Locating piece apply a pressure towards spring direction, locating piece is under pressure across first positioning hole and enters locating slot
In, then sleeve pulled up, the sleeve for connecting blade removed from rotation axis, and then by the sleeve contacted with mixed mud and
Blade takes out from mixing drum, is easily cleaned to it.
It 2, should be convenient for the mixing drum of the concrete mixer of cleaning, by the way that cover, anti-splashing disk and anti-sticking tooth is arranged, to mixing mud
When soil is stirred, cover is covered, the mixed mud splash in mixing drum whipping process sputters on the anti-sticking tooth on anti-splashing disk,
Effectively mixed mud is prevented to be adhered on anti-splashing disk by anti-sticking tooth, the mixed mud splash is fallen into mixing drum again, is avoided
Waste.
It is not directed to part in the device to be the same as those in the prior art or can be realized by using the prior art, the present invention passes through
The sleeve contacted with mixed mud and blade are taken out from mixing drum, easily it is cleaned, and mixed mud is avoided to splash
Go out mixing drum to cause to waste.
Description of the drawings
Fig. 1 is a kind of structural schematic diagram of the mixing drum of concrete mixer convenient for cleaning proposed by the present invention；
Fig. 2 is a kind of structural schematic diagram of the mixing drum part A of concrete mixer convenient for cleaning proposed by the present invention.
In figure：1 mixing drum, 2 driving motors, 3 rotation axis, 4 fixing grooves, 5 sleeves, 6 fixed links, 7 locating slots, 8 springs, 9
Locating piece, 10 first positioning holes, 11 second location holes, 12 discharge ports, 13 covers, 14 anti-splashing disks, 15 anti-sticking teeth, 16 sliding slots, 17
Sliding block, 18 elastic membranes, 19 seal washers, 20 valves, 21 blades.
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.
In the description of the present invention, it is to be understood that, term "upper", "lower", "front", "rear", "left", "right", "top",
The orientation or positional relationship of the instructions such as "bottom", "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings, merely to just
In the description present invention and simplify description, do not indicate or imply the indicated device or element must have a particular orientation, with
Specific azimuth configuration and operation, therefore be not considered as limiting the invention.
Referring to Fig.1-2, the mixing drum of a kind of concrete mixer convenient for cleaning, includes the mixing drum 1 of upper end opening, stirs
It mixes and is fixedly connected with driving motor 2 at the bottom centre of cylinder 1, the output end of driving motor 2 is connected with rotation axis by shaft coupling
3, the one end of rotation axis 3 far from driving motor 2 passes through the cylinder bottom of mixing drum 1 and extends into mixing drum 1, the upper end of rotation axis 3
Fixing groove 4 is offered, the sleeve 5 of one end open, the open end of sleeve 5 are arranged on the axial wall of rotation axis 3 in mixing drum 1
It is arranged towards driving motor 2, the cylinder bottom in sleeve 5 is fixedly connected with fixed link 6, and the one end of fixed link 6 far from 5 bottoms of sleeve is inserted
It is located in fixing groove 4, fixed link 6 symmetrically offers locating slot 7 on the correspondence bar wall of 4 slot bottom of fixing groove, one end position, fixed
The slot bottom of position slot 7 is fixedly connected with spring 8, and the other end of spring 8 is fixedly connected with locating piece 9, the axial wall and sleeve of rotation axis 3
The position that locating piece 9 is corresponded on 5 barrel linearly offers first positioning hole 10 and second location hole 11, locating piece 9 respectively
One end far from spring 8 sequentially passes through the notch of locating slot 7 and first positioning hole 10 and extends into second location hole 11, stirs
Cylinder 1 is communicated with discharge port 12 on the barrel of bottom, is vertically uniformly and equidistantly symmetrically connected on the barrel of sleeve 5
Several groups blade 21 when needing to clean mixing drum 1, applies one towards spring 8 to the locating piece 9 in second location hole 11
The pressure in direction, locating piece 9 is under pressure across first positioning hole 10 and enters in locating slot 7, then sleeve 5 is pulled up,
The sleeve 5 for connecting blade 21 is removed from rotation axis 3, and then by 5, the set that is contacted with mixed mud and blade 21 from mixing drum 1
Middle taking-up, easily cleans it.
The open end hinge connection of mixing drum 1 has cover 13, the bottom of cover 13 to be fixedly connected with anti-splashing disk 14, anti-splashing disk
Matrix is uniformly and equidistantly connected with several anti-sticking teeth 15 in a ring for 14 bottom, when being stirred to mixed mud, by cover 13
It covers, the mixed mud splash in 1 whipping process of mixing drum sputters on the anti-sticking tooth 15 on anti-splashing disk 14, has by anti-sticking tooth 15
Effect prevents mixed mud to be adhered on anti-splashing disk 14, and the mixed mud splash is fallen into mixing drum again, avoids waste.
Sliding slot 16 is symmetrically offered on the correspondence cell wall of locating slot 7, is slidably connected in sliding slot 16 there are one sliding block 17, two
Sliding block 17 passes through the notch of sliding slot 16 close to the side of locating piece 9 and extends outwardly, and is fixedly connected on the respective side of locating piece 9
On wall, band movable slider 17 moves in sliding slot 16 when locating piece 9 moves.
Second location hole 11 is fixedly connected with elastic membrane 18 on the hole wall far from 3 one end of rotation axis, prevents from mixing mud when stirring
Soil is entered by second location hole 11 in sleeve 5.
5 lower end of sleeve and the place of being arranged of 3 axial wall of rotation axis are equipped with seal washer 19, and seal washer 19 is fixedly connected on sleeve
On 5 inner tube wall, prevent mixed mud from entering sleeve 5.
Valve 20 is installed on discharge port 12, the switch of discharge port 12 is controlled by valve 20.
In present invention, it is desirable to when cleaning mixing drum 1, a direction is applied to the locating piece 9 in second location hole 11
The pressure in 8 direction of spring, locating piece 9 are under pressure across first positioning hole 10 and enter in locating slot 7, then sleeve 5 is upward
It pulls, the sleeve 5 for connecting blade 21 is removed from rotation axis 3, and then by 5, the set that is contacted with mixed mud and blade 21 from stirring
It mixes and is taken out in cylinder 1, easily it is cleaned；When being stirred to mixed mud, cover 13 is covered, mixing drum 1 is stirred
The mixed mud splash in journey sputters on the anti-sticking tooth 15 on anti-splashing disk 14, effectively prevents mixed mud from adhering to by anti-sticking tooth 15
On anti-splashing disk 14, the mixed mud splash is fallen into mixing drum again, avoids waste.
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 (6)
1. a kind of mixing drum of concrete mixer convenient for cleaning, includes the mixing drum (1) of upper end opening, which is characterized in that
Driving motor (2) is fixedly connected at the bottom centre of the mixing drum (1), the output end of the driving motor (2) passes through connection
Axis device is connected with rotation axis (3), the one end of the rotation axis (3) far from driving motor (2) pass through the cylinder bottom of mixing drum (1) and to
Extend in mixing drum (1), the upper end of the rotation axis (3) offers fixing groove (4), is located at the mixing drum (1) interior rotation axis
(3) sleeve (5) of one end open is arranged on axial wall, the open end of the sleeve (5) is arranged towards driving motor (2), institute
It states the cylinder bottom in sleeve (5) and is fixedly connected with fixed link (6), the one end of the fixed link (6) far from sleeve (5) cylinder bottom is plugged in
In fixing groove (4), the fixed link (6) symmetrically offers positioning on the correspondence bar wall of one end position of fixing groove (4) slot bottom
The slot bottom of slot (7), the locating slot (7) is fixedly connected with spring (8), and the other end of the spring (8) is fixedly connected with positioning
The position that locating piece (9) is corresponded on block (9), the axial wall of the rotation axis (3) and the barrel of sleeve (5) linearly offers respectively
First positioning hole (10) and second location hole (11), the one end of the locating piece (9) far from spring (8) sequentially pass through locating slot
(7) notch and first positioning hole (10) simultaneously extend into second location hole (11), barrel of the mixing drum (1) close to bottom
On be communicated with discharge port (12), be vertically uniformly and equidistantly symmetrically connected with several groups leaf on the barrel of the sleeve (5)
Piece (21).
2. a kind of mixing drum of concrete mixer convenient for cleaning according to claim 1, which is characterized in that described to stir
The open end hinge connection for mixing cylinder (1) has cover (13), and the bottom of the cover (13) is fixedly connected with anti-splashing disk (14), described
Matrix is uniformly and equidistantly connected with several anti-sticking teeth (15) in a ring for the bottom of anti-splashing disk (14).
3. a kind of mixing drum of concrete mixer convenient for cleaning according to claim 1, which is characterized in that described fixed
Sliding slot (16) is symmetrically offered on the correspondence cell wall of position slot (7), is slidably connected in the sliding slot (16) there are one sliding block (17), two
A sliding block (17) passes through the notch of sliding slot (16) close to the side of locating piece (9) and extends outwardly, and is fixedly connected on and determines
On the correspondence side wall of position block (9).
4. a kind of mixing drum of concrete mixer convenient for cleaning according to claim 1, which is characterized in that described the
Two location holes (11) are fixedly connected with elastic membrane (18) on the hole wall far from rotation axis (3) one end.
5. a kind of mixing drum of concrete mixer convenient for cleaning according to claim 1, which is characterized in that the set
Cylinder (5) lower end and the place of being arranged of rotation axis (3) axial wall are equipped with seal washer (19), and the seal washer (19) is fixedly connected on set
On the inner tube wall of cylinder (5).
6. it is according to claim 1 it is a kind of convenient for cleaning concrete mixer mixing drum, which is characterized in that it is described go out
Valve (20) is installed in material mouth (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810737404.7A CN108638331A (en) | 2018-07-02 | 2018-07-02 | A kind of mixing drum of concrete mixer convenient for cleaning |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810737404.7A CN108638331A (en) | 2018-07-02 | 2018-07-02 | A kind of mixing drum of concrete mixer convenient for cleaning |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108638331A true CN108638331A (en) | 2018-10-12 |
Family
ID=63750547
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810737404.7A Pending CN108638331A (en) | 2018-07-02 | 2018-07-02 | A kind of mixing drum of concrete mixer convenient for cleaning |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108638331A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011213026A (en) * | 2010-04-01 | 2011-10-27 | Kitagawa Iron Works Co Ltd | Adhesion preventing structure for mixer |
| CN204136232U (en) * | 2014-09-04 | 2015-02-04 | 浙江士高环境建设工程有限公司 | Construction site cement mixer |
| CN205521928U (en) * | 2016-04-25 | 2016-08-31 | 黄东 | Civil engineering uses antiseized hopper |
| CN206633214U (en) * | 2017-03-24 | 2017-11-14 | 天津炬实科技发展股份有限公司 | A kind of efficient cement mortar mixer |
| CN107571397A (en) * | 2017-09-22 | 2018-01-12 | 南京思齐环保仪器有限公司 | A kind of environmentally friendly automated machine formula agitating device |
| CN207359349U (en) * | 2017-08-26 | 2018-05-15 | 新昌县勤振机械制造有限公司 | A kind of construction concrete mixer easy to cleaning |
| CN208375596U (en) * | 2018-07-02 | 2019-01-15 | 广西广厦环保科技有限公司 | A kind of mixing drum of the concrete mixer convenient for cleaning |
-
2018
- 2018-07-02 CN CN201810737404.7A patent/CN108638331A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011213026A (en) * | 2010-04-01 | 2011-10-27 | Kitagawa Iron Works Co Ltd | Adhesion preventing structure for mixer |
| CN204136232U (en) * | 2014-09-04 | 2015-02-04 | 浙江士高环境建设工程有限公司 | Construction site cement mixer |
| CN205521928U (en) * | 2016-04-25 | 2016-08-31 | 黄东 | Civil engineering uses antiseized hopper |
| CN206633214U (en) * | 2017-03-24 | 2017-11-14 | 天津炬实科技发展股份有限公司 | A kind of efficient cement mortar mixer |
| CN207359349U (en) * | 2017-08-26 | 2018-05-15 | 新昌县勤振机械制造有限公司 | A kind of construction concrete mixer easy to cleaning |
| CN107571397A (en) * | 2017-09-22 | 2018-01-12 | 南京思齐环保仪器有限公司 | A kind of environmentally friendly automated machine formula agitating device |
| CN208375596U (en) * | 2018-07-02 | 2019-01-15 | 广西广厦环保科技有限公司 | A kind of mixing drum of the concrete mixer convenient for cleaning |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP6316243B2 (en) | Stirrer | |
| CN109569365A (en) | A kind of food liquid detection pretreatment unit with agitating function | |
| CN104984681B (en) | A kind of agitating device | |
| CN207888914U (en) | A kind of self-cleaning concrete mixer | |
| CN208375596U (en) | A kind of mixing drum of the concrete mixer convenient for cleaning | |
| CN107471447B (en) | A kind of construction concrete swing rotary formula agitating device | |
| CN108638331A (en) | A kind of mixing drum of concrete mixer convenient for cleaning | |
| CN208340619U (en) | A kind of powder mixer | |
| CN212666391U (en) | Mix earth mixer convenient to clearance | |
| CN208215662U (en) | A kind of forced concrete mixer | |
| JP3197870U (en) | Agitation blade for concrete mortar mixer | |
| CN213648095U (en) | A high-efficiency mixing device for concrete processing | |
| CN211250743U (en) | Recycled concrete mixing equipment | |
| CN108582489A (en) | A kind of protecting wall construction and maintenance equipment | |
| CN209394998U (en) | A kind of concrete mixer | |
| CN215654909U (en) | Biological reagent mixing arrangement | |
| CN215276799U (en) | Agitating unit is used in water-reducing agent production with self-cleaning function | |
| CN214982185U (en) | Concrete mixer | |
| CN207983687U (en) | A kind of easy cleaned mortar mixer | |
| CN208098830U (en) | A kind of vacuum kneader | |
| CN207495806U (en) | A kind of concrete central mix plant and concrete mixer truck | |
| CN208118115U (en) | A kind of mortar mixing equipment | |
| CN221809465U (en) | A concrete mixing device that is convenient for cleaning residues | |
| CN220807956U (en) | Concrete mixer device for road and bridge | |
| CN217288284U (en) | Agitating unit is used in concrete admixture production |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20181012 |
|
| RJ01 | Rejection of invention patent application after publication |