CN206493431U - A kind of double layer concrete mixer - Google Patents
A kind of double layer concrete mixer Download PDFInfo
- Publication number
- CN206493431U CN206493431U CN201720163753.3U CN201720163753U CN206493431U CN 206493431 U CN206493431 U CN 206493431U CN 201720163753 U CN201720163753 U CN 201720163753U CN 206493431 U CN206493431 U CN 206493431U
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- CN
- China
- Prior art keywords
- agitator
- agitating shaft
- rotating bar
- double layer
- concrete mixer
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- 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.)
- Expired - Fee Related
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- Preparation Of Clay, And Manufacture Of Mixtures Containing Clay Or Cement (AREA)
- Mixers Of The Rotary Stirring Type (AREA)
Abstract
The utility model discloses a kind of double layer concrete mixer, upper agitator including frame, lower agitator and provided with discharge nozzle, the upper agitator is provided with charging aperture and the mixing component for stirring, the discharge nozzle is provided with opening/shutting valve, the upper agitator both sides are equipped with the connecting rod for being fixedly connected with upper agitator and frame, rotating bar is provided between the upper agitator and lower agitator, the rotating bar is rotationally connected with agitator and is fixed on lower agitator, is provided with the frame due to the runner assembly that driving rotating bar is rotated.When need to discharge, runner assembly driving rotating bar is rotated, so as to drive lower agitator to be rotated relative to upper agitator, concrete is directly poured out from lower agitator, is completed discharging.In the absence of the situation of blocking, make the discharging efficiency high of concrete.
Description
Technical field
The utility model is related to agitating device, and in particular to a kind of double layer concrete mixer.
Background technology
Concrete refers to make binder materials with cement, and sand, masonry gather materials, and coordinate by a certain percentage with water, agitated and obtain
Cement concrete.Mixer is that cement, sandstone aggregate and water are mixed simultaneously machinery of the mixing into concrete mixture.It is main by
Mix the composition such as cylinder, charging and shedding mechanism, water system, prime mover, transmission mechanism, frame and supporting arrangement.
Such as Patent No. CN201520629982.0 patent, a kind of bilayer with helix transporting device which disclose
Mixer, including support, stack be provided with lower agitator, upper agitator on the bracket from bottom to top；Upper agitator is with
Stirring vane and lower stirring vane are respectively equipped with agitator；The bottom of upper agitator is provided with the work that can be opened and closed
Door；Bottom in lower agitator is provided with a helical blade, and the helical blade is located at below lower stirring vane；Lower agitator
Bottom is provided with discharge pipe；Motor power transmission device is provided with the top of upper agitator, the motor power transmission device leads to
Cross rotating shaft connection upper stirring vane, lower stirring vane and helical blade.To the downward pressurization of slurries during helical blade rotation.
During work, raw material is added by proportioning first in upper agitator, motor power transmission device drives upper paddle
Piece is stirred to it, and now valve is closed；The concrete opened after appropriateness to be mixed in valve, upper agitator falls
Into lower agitator.Discharged when that need to use after spiral boosting by discharge pipe.
The shortcoming of the patent is：When the mixer is same as concrete stirring discharging, because the denseness of concrete is larger,
And can be sticked to when after concrete drying on discharge pipe and helical blade, cause discharge pipe speed, cause concrete discharging efficiency
It is low.
Utility model content
In view of the deficienciess of the prior art, the purpose of this utility model is to provide a kind of double-deck coagulation of convenient discharging
Native mixer.
To achieve the above object, the utility model provides following technical scheme：
A kind of double layer concrete mixer, including frame, lower agitator and the upper agitator provided with discharge nozzle, it is described on stir
Bucket is mixed provided with charging aperture and the mixing component for stirring, the discharge nozzle is provided with opening/shutting valve, the upper agitator two
Side is equipped with the connecting rod for being fixedly connected with upper agitator and frame, provided with rotation between the upper agitator and lower agitator
Bar, the rotating bar is rotationally connected with agitator and is fixed on lower agitator, is provided with the frame because driving is rotated
The runner assembly that bar is rotated.
By using above-mentioned technical proposal, when need to discharge, runner assembly driving rotating bar is rotated, so as to drive lower agitator
Rotated relative to upper agitator, concrete is directly poured out from lower agitator, complete discharging.In the absence of the situation of blocking, make to mix
Coagulate the discharging efficiency high of soil.
It is of the present utility model to be further arranged to：The rotating bar is provided with two and is symmetrical set.
By using above-mentioned technical proposal, so that lower agitator is by 2 points of supports, so that lower agitator is being rotated
Shi Gengjia is stable, so that it is more stable to discharge.
It is of the present utility model to be further arranged to：The upper agitator is fixedly installed in frame, and the runner assembly includes
Rotation cylinder, the compensating tank being opened in along rotating bar length direction in rotating bar and it is fixedly connected on rotation cylinder piston rod side
Rotary shaft, the rotary shaft is embedded in compensating tank, and the rotary shaft is rotationally connected with compensating tank and is slidably connected to compensation
Groove, the rotation cylinder cylinder body is rotationally connected with frame.
By using above-mentioned technical proposal, shortened by the piston rod of rotation cylinder, so as to drive rotary shaft in compensating tank
It is interior to slide, there is a thrust to compensation groove sidewall when rotary shaft is slided in compensating tank, so as to drive rotating bar to rotate, realize
Lower agitator topples over discharging.
It is of the present utility model to be further arranged to：The rotary shaft is fixedly connected with block back to rotation cylinder one end, institute
State block and be connected to rotating bar.
By using above-mentioned technical proposal, block has a spacing power to rotary shaft, and rotary shaft can be prevented in sliding process
Middle disengaging compensating tank, so that the driving rotating bar that runner assembly can be stablized is rotated.
It is of the present utility model to be further arranged to：The mixing component includes being rotationally connected with the upper stirring of agitator
Axle, the lower agitating shaft for being rotationally connected with lower agitator, for driving stirring motor that upper agitating shaft rotates and being stirred in driving
Mix axle and realize agitating shaft and radially secure and separation the impeller of lower agitating shaft axially movable, the upper agitating shaft is with
Paddle is equipped with agitating shaft, clutch shaft bearing is installed between the lower agitating shaft lower end and lower agitator.
By using above-mentioned technical proposal, when mixer works, upper agitating shaft and lower agitating shaft are combined, upper agitating shaft and
Lower agitating shaft is stirred motor-driven rotation simultaneously, so that the concrete quilt in the concrete and lower agitator in upper agitator
Stir simultaneously, prevent the concrete coagulation in lower agitator from failing.When that need to discharge, upper agitating shaft and the separation of lower agitating shaft, from
And lower agitator is rotated relative to upper agitator axle, complete discharging.
It is of the present utility model to be further arranged to：The upper agitating shaft bottom side of the wall is radially installed with limited block, described
Lower agitating shaft upper surface offers the circular groove for accommodating upper agitating shaft and the stopper slot for limited block, the stopper slot and circle
Groove is connected.
By using above-mentioned technical proposal, upper agitating shaft and lower agitating shaft is radially fixed by stopper slot, make to stir
When mixing axle and being embedded in circular groove, upper agitating shaft and lower agitating shaft can synchronous axial systems.
It is of the present utility model to be further arranged to：The upper agitating shaft two ends are arranged with turning set, the turning set and
Radially fixed between upper agitating shaft, the upper agitating shaft, which slides axially, is connected to turning set, and the turning set is embedded at
Agitator two ends, are provided with second bearing between the turning set and upper agitator.
By using above-mentioned technical proposal, when upper agitating shaft is rotated, drive turning set to rotate, due to turning set and above stir
Mix and second bearing is provided between bucket, therefore the frictional force between turning set and upper agitator is smaller, agitating shaft is more stablized
Rotation, reduce the noise that sends when agitating shaft is rotated.It relative can be slided by upper agitating shaft and turning set, then make to stir
Axle is mixed to can be achieved axially movable in the presence of impeller.
It is of the present utility model to be further arranged to：The impeller is the hydraulic cylinder vertically set, the promotion
Part is fixedly connected on agitator, and the piston rod of the impeller is fixedly connected on stirring motor.
By using above-mentioned technical proposal, by driving stirring motor vertically to move, to drive upper agitating shaft vertically
Move up and down, so as to realize the separation and combination of agitating shaft and lower agitating shaft.Because stirring motor and upper agitating shaft are synchronously transported
It is dynamic, thus upper agitating shaft axially movable during, upper agitating shaft is still being rotated, and stirs raw material, it is ensured that stirring efficiency.
It is of the present utility model to be further arranged to：The frame, which is provided with, to be used to drive lower agitator with respect to gantry rotation
Drive component, the lower agitator inwall is radially installed with stirring sheet, and the lower agitator upper end offers annular groove, described
Rotating bar lower end is installed with sliding block, and the sliding block is slidably connected to annular groove.
By using above-mentioned technical proposal, when lower agitator is rotated, stirring sheet can cut the coagulation in the lower agitator of stirring
Soil, so as to prevent the concrete coagulation in lower agitator from failing.
It is of the present utility model to be further arranged to：The drive component includes vertically being fixedly installed in the drive of frame
Dynamic motor, the driven gear of driving gear and fixed cover located at lower agitator for being fixedly connected on motor output end, it is described
Driving gear and driven gear engagement.
By using above-mentioned technical proposal, motor driving driving gear is rotated, so that drive driven gear to rotate, it is real
The now rotation of agitator.It is relative with being directly coaxially fixed on motor because motor is located at lower agitator side
Lower agitator bottom surface, herein motor be not subjected to the gravity of lower agitator, under same power, driving motor output shaft is defeated
The moment of torsion gone out is bigger, rotates lower agitator more stable.
The utility model has advantages below：Discharging is convenient, and discharging efficiency cylinder；The concrete in lower agitator can be prevented
Condense failure.
Brief description of the drawings
Fig. 1 is the structural representation of embodiment one（It is not drawn into block）；
Fig. 2 is the sectional view of embodiment one；
Fig. 3 is the enlarged drawing at A in Fig. 2；
Fig. 4 is the enlarged drawing at B in Fig. 2；
Fig. 5 is upper agitating shaft and the structural representation of lower stirring shaft connection place in embodiment one；
Fig. 6 is the structural representation of embodiment two；
Fig. 7 is the sectional view of embodiment two.
Reference：1st, frame；2nd, base；3rd, mounting rod；4th, upper agitator；5th, charging aperture；6th, discharge nozzle；7th, valve is opened and closed
Door；8th, rotating bar；9th, compensating tank；10th, rotary shaft；11st, rotation cylinder；12nd, runner assembly；13rd, block；14th, lower agitator；
15th, mixing component；16th, impeller；17th, stirring motor；18th, upper agitating shaft；19th, lower agitating shaft；20th, limited block；21st, rotate
Set；22nd, second bearing；23rd, paddle；24th, circular groove；25th, stopper slot；26th, clutch shaft bearing；27th, stirring sheet；28th, annular groove；29、
Sliding block；30th, drive component；31st, motor；32nd, driving gear；33rd, driven gear.
Embodiment
The utility model is described further referring to the drawings.
Embodiment one：
As shown in figure 1, a kind of double layer concrete mixer, including frame 1.Frame 1 includes base 2 and mounting rod 3.Install
Bar 3 is fixedly arranged on the upper surface of base 2 and vertically set.Mounting rod 3 is provided with two and is symmetrical set.Two mounting rods 3
Between be installed with agitator 4.The upper upper surface of agitator 4 is provided with charging aperture 5.The upper lower surface of agitator 4 is provided with discharge nozzle
6, discharge nozzle 6 is provided with opening/shutting valve 7.
As shown in figures 1 and 3, the upper lower surface both sides of agitator 4 are provided with rotating bar 8, and rotating bar 8 is rotationally connected with stirring
Bucket 4.The relatively upper side of agitator 4 of rotating bar 8 offers compensating tank 9.Compensating tank 9 is opened up and connected along the length direction of rotating bar 8
The both sides of rotating bar 8.Rotary shaft 10 is embedded with compensating tank 9, rotary shaft 10 is rotationally connected with compensating tank 9 and is slidably connected to compensation
Groove 9.Rotary shaft 10 is provided with rotation cylinder 11 with respect to the one end of frame 1, and the piston rod of rotation cylinder 11 is fixedly connected on rotary shaft 10
One end, the cylinder body of rotation cylinder 11 is rotationally connected with mounting rod 3.Compensating tank 9, rotation cylinder 11 and rotary shaft 10 are constituted for driving
The runner assembly 12 that dynamic rotating bar 8 is rotated relative to upper agitator 4.Rotary shaft 10 is installed with block back to the one end of rotation cylinder 11
13, block 13 is connected to rotating bar 8.
As depicted in figs. 1 and 2, rotating bar 8 is connected with lower agitator 14 back to upper one end of agitator 4 is fixed.Lower agitator
14 are located at upper agitator 4 time and are in be coaxially disposed with upper agitator 4.The lower upper end of agitator 14 is set in opening.
As depicted in figs. 1 and 2, the upper upper surface of agitator 4 is installed with mixing component 15.Mixing component 15 includes impeller
16th, stirring motor 17, upper agitating shaft 18 and lower agitating shaft 19.Impeller 16 is hydraulic cylinder, and impeller 16, which is fixedly installed in, to be stirred
Mix bucket 4.Stirring motor 17 is located between impeller 16 and upper agitator 4, and the piston rod of impeller 16 is fixedly connected on stirring
The body of motor 17.The output end of stirring motor 17 is fixedly connected on agitating shaft 18.
As shown in Figure 2 and Figure 4, the upper two ends of agitating shaft 18 are fed through the two ends of agitator 4 respectively.The upper outer wall of agitating shaft 18 is consolidated
Provided with limited block 20, limited block 20 is axially arranged along upper agitating shaft 18, and the length of limited block 20 is equal to the upper length of agitating shaft 18.On
The two ends of agitating shaft 18 are arranged with turning set 21.Limited block 20 makes radially to fix between turning set 21 and upper agitating shaft 18.On
Agitating shaft 18, which slides axially, is connected to turning set 21.Two turning sets 21 are embedded at the two ends of agitator 4, turning set 21 respectively
Second bearing 22 is provided between upper agitator 4, turning set 21 is rotationally connected with agitator 4.So that upper agitating shaft 18
It is rotationally connected with agitator 4.The upper outer wall of agitating shaft 18 is radially installed with paddle 23.
As shown in Figure 2 and Figure 5, lower agitating shaft 19 and upper agitating shaft 18 are in and are coaxially disposed.The lower upper end of agitating shaft 19 is offered
For being embedded the circular groove 24 of upper agitating shaft 18 and stopper slot 25 for being embedded limited block 20.Stopper slot 25 is connected with circular groove 24.
The lower lower end of agitating shaft 19 is worn into the lower bottom surface of agitator 14.Clutch shaft bearing 26 is provided between lower agitating shaft 19 and lower agitator 14.
It is axially fixed lower agitating shaft 19 and is connected to lower agitator 14, and lower agitating shaft 19 can be rotated relative to lower agitator 14.Under stir
Mix the outer wall of axle 19 and be radially installed with paddle 23.
The operation principle of the mixer is as follows：
As shown in Fig. 2 during mixer work, upper agitating shaft 18 is embedded in circular groove 24, upper agitating shaft 18 and lower agitating shaft
19 combine, and radially fix.Raw material is entered in upper agitator 4 from charging aperture 5, and stirring motor 17 starts, and is stirred in driving
Axle 18 and lower agitating shaft 19 are rotated, so as to stir the concrete in the raw material and lower agitator 14 in upper agitator 4.On stir
Mix the stirring of the raw material in bucket 4 to become after concrete, open opening/shutting valve 7, concrete discharging is stored up to lower agitator 14 is interior
Material.
If need to pour out the concrete in lower agitator 14, the driving stirring motor 17 of impeller 16 is moved upwards, so as to drive
Dynamic upper agitating shaft 18 relatively rotates 21 upward slidings of set, separates agitating shaft 18 and lower agitating shaft 19.Rotation cylinder 11 is stretched,
So as to drive rotary shaft 10 to be slided in compensating tank 9, rotary shaft 10 has one when being slided in compensating tank 9 to the side wall of compensating tank 9
Thrust, so as to drive rotating bar 8 to rotate, makes lower agitator 14 be rotated relative to upper agitator 4, realizes toppling over for lower agitator 14
Discharging.
After the completion of discharging, rotation cylinder 11 is set to drive rotating bar 8 to reset into the state parallel to upper agitator 4.Promote
Part 16 promotes stirring motor 17 to move downward, and agitating shaft 18 is moved downwardly to be embedded in circular groove 24 and the lower knot of agitating shaft 19
Conjunction.
Embodiment two：
The difference of embodiment two and embodiment one is：
As shown in Figure 6 and Figure 7, mixing component 15 includes stirring motor 17 and upper agitating shaft 18.Stirring motor 17 fixes peace
Loaded on upper agitator 4.The upper two ends of agitating shaft 18 are fed through between agitator 4, and upper agitator 4 and upper agitating shaft 18 provided with the
Two bearings 22.The inner ring of second bearing 22 is fixedly connected on agitating shaft 18, and the outer ring of second bearing 22 is fixedly connected on agitator
4.Upper agitating shaft 18 is rotationally connected with agitator 4.
As shown in Figure 6 and Figure 7, the lower inwall of agitator 14 is radially installed with stirring sheet 27, and stirring sheet 27 is provided with some
It is individual.The lower outer wall of agitator 14 offers annular groove 28.The end of rotating bar 8 is installed with sliding block 29, and sliding block 29 is set along lower agitator 14 is circumferential
Put.Sliding block 29 is embedded in chute and is slidably connected to annular groove 28.
As shown in Figure 6 and Figure 7, drive component 30 is installed on base 2.Drive component 30 includes motor 31, active
Gear 32 and driven gear 33.Motor 31 is located at lower agitator 14 back to the side of rotation cylinder 11, and motor 31 is solid
Dingan County is loaded on base 2.Driving gear 32 is coaxially fixed on the output end of motor 31.The fixed cover of driven gear 33, which is located at down, to be stirred
Mix the outer wall of bucket 14.Driving gear 32 and driven gear 33 are engaged.
The operation principle of the mixer is as follows：
As shown in Figure 6 and Figure 7, when mixer works, the upper agitating shaft 18 of the driving of stirring motor 17 is rotated, agitator in stirring
Raw material in 4.The driving driving gear 32 of motor 31 is rotated, and driving gear 32 drives driven gear 33 to rotate, and makes lower stirring
Bucket 14 is rotated.Lower agitator 14 is rotated, and the concrete in the lower agitator 14 of 27 pairs of stirring sheet carries out cutting stirring.Now sliding block
29 rotate in chute.
When that need to discharge, motor 31 is closed.Rotation cylinder 11 is stretched, so as to drive rotary shaft 10 in compensating tank 9
Slide, rotary shaft 10 has a thrust when being slided in compensating tank 9 to the side wall of compensating tank 9, so as to drive rotating bar 8 to rotate, makes
Lower agitator 14 is rotated relative to upper agitator 4, and realize lower agitator 14 topples over discharging.Lower agitator 14 relatively on stir
When bucket 4 is rotated, driven gear 33 and driving gear 32 are separated.
After the completion of discharging, rotation cylinder 11 is set to drive rotating bar 8 to reset into the state parallel to upper agitator 4.
Now driven gear 33 is engaged with driving gear 32.
Described above is only preferred embodiment of the present utility model, and protection domain of the present utility model is not limited merely to
Above-described embodiment, all technical schemes belonged under the utility model thinking belong to protection domain of the present utility model.It should refer to
Go out, for those skilled in the art, some improvement under the premise of the utility model principle is not departed from and
Retouching, these improvements and modifications also should be regarded as protection domain of the present utility model.
Claims (10)
1. a kind of double layer concrete mixer, including frame（1）, lower agitator（14）With provided with discharge nozzle（6）Upper agitator
（4）, the upper agitator（4）It is provided with charging aperture（5）With the mixing component for stirring（15）, the discharge nozzle（6）On set
There is opening/shutting valve（7）, it is characterized in that：The upper agitator（4）Both sides are equipped with for being fixedly connected with agitator（4）And frame
（1）Connecting rod, the upper agitator（4）With lower agitator（14）Between be provided with rotating bar（8）, the rotating bar（8）Rotate
It is connected to agitator（4）And it is fixed on lower agitator（14）, the frame（1）On be provided with due to driving rotating bar（8）Turn
Dynamic runner assembly（12）.
2. a kind of double layer concrete mixer according to claim 1, it is characterized in that：The rotating bar（8）Provided with two
And be symmetrical set.
3. a kind of double layer concrete mixer according to claim 2, it is characterized in that：The upper agitator（4）Fixed peace
Loaded on frame（1）, the runner assembly（12）Including rotation cylinder（11）, along rotating bar（8）Length direction is opened in rotating bar
（8）On compensating tank（9）Be fixedly connected on rotation cylinder（11）The rotary shaft of piston rod side（10）, the rotary shaft（10）
It is embedded at compensating tank（9）It is interior, the rotary shaft（10）It is rotationally connected with compensating tank（9）And it is slidably connected to compensating tank（9）, it is described
Rotation cylinder（11）Cylinder body is rotationally connected with frame（1）.
4. a kind of double layer concrete mixer according to claim 3, it is characterized in that：The rotary shaft（10）Back to rotation
Cylinder（11）One end is fixedly connected with block（13）, the block（13）It is connected to rotating bar（8）.
5. a kind of double layer concrete mixer according to claim 4, it is characterized in that：The mixing component（15）Including turning
It is dynamic to be connected to agitator（4）Upper agitating shaft（18）, be rotationally connected with lower agitator（14）Lower agitating shaft（19）, for driving
Dynamic upper agitating shaft（18）The stirring motor of rotation（17）With for driving upper agitating shaft（18）Upper agitating shaft is realized axially movable
（18）With lower agitating shaft（19）Radially secure and separation impeller（16）, the upper agitating shaft（18）With lower agitating shaft（19）
On be equipped with paddle（23）, the lower agitating shaft（19）Lower end and lower agitator（14）Between be installed with clutch shaft bearing（26）.
6. a kind of double layer concrete mixer according to claim 5, it is characterized in that：The upper agitating shaft（18）Lower end side
Wall is radially installed with limited block（20）, the lower agitating shaft（19）Upper surface is offered for accommodating agitating shaft（18）Circle
Groove（24）With for limited block（20）Stopper slot（25）, the stopper slot（25）And circular groove（24）Connection.
7. a kind of double layer concrete mixer according to claim 6, it is characterized in that：The upper agitating shaft（18）Two ends are equal
It is arranged with turning set（21）, the turning set（21）With upper agitating shaft（18）Between radially fix, the upper agitating shaft（18）
Slide axially and be connected to turning set（21）, the turning set（21）It is embedded at agitator（4）Two ends, the turning set（21）
With upper agitator（4）Between be provided with second bearing（22）.
8. a kind of double layer concrete mixer according to claim 7, it is characterized in that：The impeller（16）For along vertical
The hydraulic cylinder that direction is set, the impeller（16）It is fixedly connected on agitator（4）, and the impeller（16）Piston rod
It is fixedly connected on stirring motor（17）.
9. a kind of double layer concrete mixer according to claim 4, it is characterized in that：The frame（1）Being provided with is used for
The lower agitator of driving（14）With respect to frame（1）The drive component of rotation（30）, the lower agitator（14）Inwall is radially solid
Provided with stirring sheet（27）, the lower agitator（14）Upper end offers annular groove（28）, the rotating bar（8）Lower end is installed with sliding block
（29）, the sliding block（29）It is slidably connected to annular groove（28）.
10. a kind of double layer concrete mixer according to claim 9, it is characterized in that：The drive component（30）Including
Vertically it is fixedly installed in frame（1）Motor（31）, be fixedly connected on motor（31）The active of output end
Gear（32）Lower agitator is located at fixed cover（14）Driven gear（33）, the driving gear（32）And driven gear（33）
Engagement.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720163753.3U CN206493431U (en) | 2017-02-22 | 2017-02-22 | A kind of double layer concrete mixer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720163753.3U CN206493431U (en) | 2017-02-22 | 2017-02-22 | A kind of double layer concrete mixer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206493431U true CN206493431U (en) | 2017-09-15 |
Family
ID=59806793
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720163753.3U Expired - Fee Related CN206493431U (en) | 2017-02-22 | 2017-02-22 | A kind of double layer concrete mixer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206493431U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110975713A (en) * | 2020-01-03 | 2020-04-10 | 王丽华 | Building site is with energy-efficient agitating unit |
| CN113209876A (en) * | 2021-03-30 | 2021-08-06 | 漳州职业技术学院 | Soil conditioner preparation system and method |
-
2017
- 2017-02-22 CN CN201720163753.3U patent/CN206493431U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110975713A (en) * | 2020-01-03 | 2020-04-10 | 王丽华 | Building site is with energy-efficient agitating unit |
| CN113209876A (en) * | 2021-03-30 | 2021-08-06 | 漳州职业技术学院 | Soil conditioner preparation system and method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170915 Termination date: 20210222 |
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| CF01 | Termination of patent right due to non-payment of annual fee |