CN209425825U - A kind of cement mixer - Google Patents
A kind of cement mixer Download PDFInfo
- Publication number
- CN209425825U CN209425825U CN201821669946.7U CN201821669946U CN209425825U CN 209425825 U CN209425825 U CN 209425825U CN 201821669946 U CN201821669946 U CN 201821669946U CN 209425825 U CN209425825 U CN 209425825U
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- Prior art keywords
- stirring container
- stirring
- container
- driving device
- rear end
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Abstract
The utility model discloses a kind of cement mixers, including puddle support, stirring container, hydraulic transmission, control device and driving device；The stirring container inner hollow, front end surface offer feed inlet and outlet, are provided with support frame on puddle support, be supported to stirring container circumferential surface；Stirring container rear end face center and hydraulic transmission are hinged；Stirring blade is provided on stirring container inner wall；Hydraulic transmission is able to drive stirring container rear end and moves along the vertical direction；Driving device is used to provide the power rotated around stirring container axis to stirring container；Control device is used to control the start and stop and rotation direction of driving device；Facilitate being placed and taken out for test material, and the material after stirring is made to reach full and uniform degree, improves the order of accuarcy of cement test.
Description
Technical field
The utility model belongs to experimental instrument field, is related to a kind of cement mixer.
Background technique
Agitator for cement mortar is the specialized instrument and equipment examined in laboratory for cement physical properties, the prior art
Agitator for cement mortar on agitating shaft be the inside for being fixed on equipment, cannot remove, since laboratory condition is limited, stirring
Container is semifixed on puddle support, stirring container can not rotation, only by agitating shaft rotation be stirred because agitating shaft with stir
Mixing container inner wall, there are gaps, therefore cause stirring uneven, and stirring is not thorough；Since agitating shaft protrudes into stirring container, and
The stirring blade being arranged thereon carries out barrier to a certain extent to feed inlet and outlet jointly, causes to test being placed and taken out for material
It is all inconvenient, it can only be poured out using manpower by material is tested by experimenter, also there is risk, and can only be to cement paste
It is tested, cement concrete can not be tested, purposes is single.
Utility model content
The shortcomings that the purpose of the utility model is to overcome the above-mentioned prior arts provides a kind of cement mixer, facilitates examination
Being placed and taken out for material is tested, and the material after stirring is made to reach full and uniform degree, improves the order of accuarcy of cement test.
In order to achieve the above objectives, the utility model is achieved using following technical scheme:
A kind of cement mixer, including puddle support, stirring container, hydraulic transmission, control device and driving device；
The stirring container inner hollow, front end surface offer feed inlet and outlet, are provided with support frame on puddle support, to stirring
Container circumferential surface is mixed to be supported；Stirring container rear end face center and hydraulic transmission are hinged；It is arranged on stirring container inner wall
There is stirring blade；
Hydraulic transmission is able to drive stirring container rear end and moves along the vertical direction；Driving device is used for stirring container
The power rotated around stirring container axis is provided；Control device is used to control the start and stop and rotation direction of driving device；
When being fed to stirring container, by the support of support frame, so that stirring container front end horizontal position is higher than rear end, stir
Mix container rotating forward；When stirring container discharging, feeding device turns to stirring container circumferential surface, and hydraulic transmission drives stirring to hold
Device rear end is moved upward to horizontal position higher than front end, the rotation of stirring container opposite direction along the vertical direction.
Preferably, support frame be divided into fixed stirring container part with connect puddle support part, two parts are hinged, connection stirring
Frame part is fixed, and fixed stirring container part can be rotated by the center of circle of articulated shaft, and fixed stirring container partial interior passes through axis
It holds and is nested in stirring container circumferential surface.
Further, the side that the fixed stirring container part of support frame is located at stirring container front end is arranged in driving device, stirs
It mixes container and corresponds to the circumferential surface at driving device position and be provided with a circle tooth, driving device is provided with chain and wraps up tooth, passes through motor
Chain is driven.
Preferably, the hydraulic transmission includes lever handle, small oil tank, the small piston being arranged in small oil tank, oil
Case, large tank and the big piston being arranged in large tank；Lever handle one end is hingedly fixed, for control small piston on move down
It is dynamic；Small oil tank is connected to fuel tank by the first check valve, and the first check valve liquid outlet is connect with small oil tank, and inlet and fuel tank connect
It connects；Small oil tank is connected to large tank by second one-way valve, and second one-way valve liquid outlet is connect with large tank, inlet and small oil
Cylinder connection；Large tank is connected to fuel tank by shut-off valve；Big piston and stirring container rear end face center pass through Hooks coupling universal coupling
Hingedly.
Preferably, several stirring blades are provided on stirring container inner wall, when stirring container rotates forward, stirring blade band animal
Expect to the movement of stirring container rear end, when stirring container reversely rotates, stirring blade drives material mobile to stirring container front end.
Preferably, stirring container is internally provided with temperature-adjusting device and temperature sensor, temperature-adjusting device and temperature
Sensor is connect with control device, and control device is provided with thermometer.
Preferably, stirring container is hinged with feeding device by bracket, and feeding device can be rotated around bracket one end；
When charging, feeding device, which is rotated to feed inlet and outlet, to be connected to, when discharging, rotation to stirring container circumferential surface.
Compared with prior art, the utility model has the following beneficial effects:
The not set agitating shaft of the utility model, by by stirring blade be arranged on stirring container inner wall, avoid due to
There are gaps between agitating shaft and stirring container inner wall, and caused stirring is uneven, stir halfway problem, improve cement
Normal consistency, setting time, soundness test order of accuarcy, and due to there is no agitating shaft and its stirring blade to input and output material
Mouthful barrier so that concrete can be also put into stirring container, thus blender can either cement paste tested, also can
Enough to test concrete, its widened scope of use saves experimental rig cost；It is stirred by hydraulic means controlling
Rear container end moves up and down, and in discharging, stirring container rear end horizontal position is higher than front end, in the anti-of gravity and stirring container
Turn, and the not barrier of agitating shaft, so that discharging is more thorough, taking-up is more convenient, avoids and is held stirring by manpower
Device lifts discharging and the efficiency and safety problem of generation.
Further, by being provided with articulated shaft on the support frame, make to hold in process of rising or falling after the agitated vessel, it is whole
A stirring container can be rotated around the articulated shaft on support frame, the normal operation without influencing driving device, moreover, because support
Frame is to be connect by bearing with stirring container, so the rotation of stirring container will not influence the use of support frame.
Further, oil liquid can be passed through check valve by above mentioning and pushing to lever handle by hydraulic transmission, from
Fuel tank flows into large tank by small oil tank, and then big piston is driven to shift up, and big piston driving stirring container rear end is upward
Displacement, shut-off valve is opened, and oil liquid is flowed into fuel tank by shut-off valve from large tank, and stirring is held while big piston is to bottom offset
To bottom offset, structure is simple for device rear end, easy to operate, and can effectively control stirring container rear end in the vertical direction
Position.
Further, temperature-adjusting device can be heated to stirring container or be cooled down operation, and the temperature of material passes through temperature
It spends thermometer of the sensor on control device to be shown, temperature of charge can be controlled, to being stirred under different temperatures
Influence to final product, is tested, and the project of test is increased.
Further, feed inlet and outlet is provided with feeding device, and material is enable to enter inside stirring container by feed inlet and outlet,
Facilitate being put into for material, and in discharging, the taking-up that will not influence material to remaining position can be rotated.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the schematic diagram of internal structure of the utility model stirring container；
Fig. 3 is the structural schematic diagram of the utility model hydraulic transmission；
Fig. 4 is the structural schematic diagram of the utility model driving device.
Wherein: 1- puddle support；2- stirring container；3- hydraulic transmission；4- control device；5- feeding device；6- end socket；
7- lever handle；8- stirring blade；9- driving device；10- feed inlet and outlet；11- insulating layer；12- thermometer；13- small oil tank；
14- small piston；The first check valve of 15-；16- second one-way valve；17- shut-off valve；18- fuel tank；19- large tank；The big piston of 20-；
21 support frames.
Specific embodiment
The utility model is described in further detail with reference to the accompanying drawing:
As shown in Figure 1, the utility model is the specialized instrument and equipment that cement physical properties are examined, held by puddle support 1, stirring
Device 2, hydraulic transmission 3, control device 4, feeding device 5, driving device 9 and support frame 21 form；Support frame 21 is fixed on
On puddle support 1, it is located at stirring container 2 and leans on front end, for 2 front support of stirring container to be played certain altitude；Hydraulic transmission 3
It is fixed on puddle support 1, is located at 2 rear end of stirring container；The stirring container 2 is fixed on support frame 21, inside stirring container 2
Hollow, front end surface offers feed inlet and outlet 10；The feeding device 5 is hingedly fixed in stirring container 2 by bracket, should
Feeding device 5 can be rotated around bracket one end, i.e., the described feeding device 5 can be manually rotated alignment feed inlet and outlet 10 in charging, with it
Connection, charging, which finishes, turns to 2 circumferential surface side of stirring container；The hydraulic transmission 3 is fixed together with control device 4,
Control device 4 is used to control the start and stop and rotation direction of driving device 9, and is provided with thermometer 12；Hydraulic transmission 3 uses
Hinged mode is connect by Hooks coupling universal coupling with 2 rear end end socket 6 of stirring container, and driving device 9 will in a manner of engaged gears
2 front end of stirring container is fixed on puddle support 1, and driving device 9 drives stirring container 2 to rotate.
The stirring container 2 of above-mentioned cement mixer, as shown in Fig. 2, further include end socket 6, feed inlet and outlet 10, stirring blade 8,
Active ring, insulating layer 11, end socket 6 are arranged at 2 rear end face center of stirring container；Feed inlet and outlet 10 is arranged in stirring container 2
At front end surface；Stirring blade 8 is arranged on 2 inner wall of stirring container, and preferably multiple stirring blades 8 are arranged in the present embodiment, stirs
When mixing the rotating forward of container 2, stirring blade 8 drives material mobile to 2 rear end of stirring container, when stirring container 2 reversely rotates, paddle
Piece 8 drives material mobile to 2 front end of stirring container；Active ring is arranged on 10 position circumferential surface of feed inlet and outlet, and passes through driving
Device 9 is fixed on puddle support 1, and insulating layer 11 is wrapped on 2 shell of stirring container；Temperature is additionally provided with inside stirring container 2
Regulating device and temperature sensor, temperature-adjusting device can be heated or be cooled down to stirring container 2, temperature-adjusting device and
Temperature sensor is connect with control device 4；The diameter of the preferred stirring container 2 of the present embodiment be φ 140mm, length H325mm,
Volume is 3.5L.
Since above-mentioned puddle support 1 is equipped with hydraulic transmission 3, such 2 rear end of stirring container can be done along the vertical direction
It moves up and down, is higher than its front end when 2 rear end of stirring container is raised up to level height, in the case where gravity and its reversion, then plus
On not no agitating shaft barrier so that test material is convenient to remove；Since above-mentioned stirring container 2 is equipped with feeding device 5, make object
Material can be entered inside stirring container 2 by feed inlet and outlet 10, be discharged more thorough, so that test material is put into conveniently, and
In discharging, the taking-up that will not influence material to remaining position can be rotated；Simultaneously because the active ring band in stirring container 2
Dynamic stirring container 2 rotates, so that cement mixer stirring operation is convenient.
Support frame 21 divide for fixed 2 part of stirring container with connect 1 part of puddle support, two parts are hinged by articulated shaft, company
The fixed setting of 1 part of puddle support is connect, fixed 2 part of stirring container can be rotated by the center of circle of articulated shaft, fixed stirring container 2
Inside is divided to be nested in 2 circumferential surface of stirring container by bearing.
As shown in figure 4, driving device 9 is fixed at before fixed 2 part of stirring container of support frame 21 is located at stirring container 2
The circumferential surface of the side at end, corresponding 9 position of driving device of stirring container 2 is provided with a circle tooth, and driving device 9 is provided with chain for tooth
Package, chain lower section are connect with gear, and the driving axis connection of gear and motor, motor is fixed in driving device 9, passes through motor
Chain is driven, so that 2 pivoting of stirring container is driven, and the revolving speed of motor and rotation direction control stirring container
2 revolving speed and rotation direction.In 2 rear end process of rising or falling of stirring container, entire stirring container 2 can be around support frame 21
On articulated shaft rotation, without influence driving device 9 normal operation, moreover, because support frame 21 be by bearing and stirring
Container 2 connects, so the rotation of stirring container 2 will not influence the use of support frame 21.
The agitating device of above-mentioned cement mixer, due to hydraulic transmission 3, so that test material is put into taking-up more
It is convenient；Simultaneously because 2 rotation of stirring container rather than traditional experiment it is indoor by agitating shaft rotate, overcome traditional blender
Since, there are gap, caused stirring is uneven, stirs halfway problem, this reality between 2 inner wall of agitating shaft and stirring container
Drive multiple stirring blades 8 to mix cement with novel cement mixer rotation, improve cement normal consistency, setting time,
The order of accuarcy of soundness test；And machine is easy to operate, good appearance.
Feeding device 5 is manually rotated to 2 front end of stirring container before being put into test material by the cement mixer, is aligned
2 feed inlet and outlet 10 of stirring container, communicates therewith；Test material by gather materials, the sequence of cement, water is sequentially placed into, while adding water
Utilize water wash feed device 5；Start control device 4 after the completion of testing material filling and control temperature-adjusting device, to stirring
Container 2 is heated or is cooled down operation, and the temperature of material is shown by thermometer 12 of the temperature sensor on control device 4
Show；When 12 displays temperature of thermometer on control device 4 reaches test requirements document after charging, it is stirred operation；It will charging
Device 5 turns to 2 side of stirring container, starts control device 4, and control device for pivoting 4 is switched to S, and driving device 9 is driven by gear
Dynamic chain-driving stirring container 2 rotates clockwise, and is stirred；After the completion of stirring, start hydraulic transmission device, so that stirring is held
2 rear end of device is raised up to rear end horizontal position higher than behind front end, and hydraulic transmission 3 stops working, and control device for pivoting 4 switchs extremely
N, driving device 9 drive stirring container 2 to rotate counterclockwise, then the test material after taking out stirring；After material all takes out, pass through
Control device 4 closes driving device 9, and stirring container 2 stops operating；Hydraulic transmission 3 is manipulated, it is made to drive stirring container 2
Afterwards after end movement initial position, hydraulic transmission 3 stops working.
Specific input and output material operating procedure is as follows:
Step 1, material is made to enter stirring by feed inlet and outlet 10 to being connected to feed inlet and outlet 10 rotation of feeding device 5
Inside container 2, after charging, by the rotation of feeding device 5 to 2 circumferential surface of stirring container；
Step 2, temperature-adjusting device is controlled by control device 4, adjusts temperature in stirring container 2, until temperature of charge
Reach test set temperature；
Step 3, driving device 9 is opened by control device 4, stirring container 2 is driven to rotate forward；
Step 4, when stirring, which reaches scheduled, to be required, driving device 9 is closed by control device 4, stirring container 2 stops
Rotation；
Step 5, hydraulic transmission 3 is manipulated, makes it that 2 rear end of stirring container be driven to shift up, is moved to stirring container 2
After rear end horizontal position is higher than front end, hydraulic transmission 3 stops working；
Step 6, driving device 9 is opened by control device 4, drives stirring container 2 to invert, discharges；
Step 7, after material all takes out, driving device 9 is closed by control device 4, stirring container 2 stops operating；
Step 8, hydraulic transmission 3 is manipulated, behind the position before making it that 2 rear end of stirring container be driven to be moved to step 5,
Hydraulic transmission 3 stops working.
As shown in figure 3, being the structural schematic diagram of hydraulic transmission device, including lever handle 7, small oil tank 13, setting small
Small piston 14, fuel tank 18, large tank 18 in oil cylinder 13 and the big piston 20 being arranged in large tank 18；7 one end of lever handle
It is hinged fixed, for controlling moving up and down for small piston 14；Small oil tank 13 is connected to fuel tank 18 by the first check valve 15, and first
15 liquid outlet of check valve is connect with small oil tank 13, and inlet is connect with fuel tank 18；Small oil tank 13 and large tank 19 are single by second
It is connected to valve 16,16 liquid outlet of second one-way valve is connect with large tank 19, and inlet is connect with small oil tank 13；Large tank 19 and oil
Case 18 is connected to by shut-off valve 17；Big piston 20 and end socket 6 are hinged.
Large tank 19 and big piston 20 form lifting hydraulic cylinder.Lever handle 7, small oil tank 13, small piston 14, check valve and
Form hydraulic hand-pump.Such as lifting handle moves up small piston 14,14 lower end oil pocket volume of small piston, and it is true to form part
Sky passes through fuel sucking pipe oil suction from fuel tank 18；Handle is firmly depressed, small piston 14 moves down, and oil liquid passes through second one-way valve 16
It is flowed into large tank 19 from small oil tank 13, big piston 20 is forced to move up, jack up end socket 6.When lifting handle oil suction again, by
It is connect in 16 liquid outlet of second one-way valve with large tank 19, inlet is connect with small oil tank 13, prevents oil liquid from flowing back to small oil
In cylinder 13, to ensure that end socket 6 will not voluntarily fall.Handle is constantly back and forth pulled, constantly oil liquid can be pressed into and lifted
Cylinder cavity of resorption is risen, rises end socket 6 gradually.If opening shut-off valve 17, the oil liquid of load lifting cylinder cavity of resorption is flowed by pipeline, shut-off valve 17
Oil return box 18, end socket 6 just move down.
Detailed process is as follows:
If desired it allows 2 rear end of stirring container to move up, closes shut-off valve 17, lever handle 7 above mentions, and makes small piston 14 to upper
It moves, oil liquid is flowed into small oil tank 13 by the first check valve 15 from fuel tank 18, and lever handle 7 pushes, and makes small piston 14 to bottom
It moves, oil liquid is flowed into large tank 19 by second one-way valve 16 from small oil tank 13, drives big piston 20 to shift up, big piston 20
End socket 6 is driven to shift up；It repeats to put pressure on handle, until stopping hand after 2 rear end horizontal position of stirring container is higher than front end
Handle operation；If desired it allows 2 rear end of stirring container to move down, opens shut-off valve 17, oil liquid is flowed by shut-off valve 17 from large tank 19
In fuel tank 18, drive end socket 6 to bottom offset while big piston 20 is to bottom offset.
When 2 rotation of stirring container, the slow-speed of revolution is 125 ± 5 revs/min, and high revolving speed is 285 ± 10 revs/min, rotational velocity and is stirred
The setting for mixing the time can be carried out automatically by control device 4 or be carried out manually.
The above content is only to illustrate the technical idea of the utility model, and the protection model of the utility model cannot be limited with this
Enclose, it is all according to the utility model proposes technical idea, any changes made on the basis of the technical scheme each falls within this reality
Within protection scope with novel claims.
Claims (7)
1. a kind of cement mixer, which is characterized in that including puddle support (1), stirring container (2), hydraulic transmission (3), control
Device (4) processed and driving device (9)；
Stirring container (2) inner hollow, front end surface offer feed inlet and outlet (10), and puddle support is provided with support on (1)
Frame (21) is supported stirring container (2) circumferential surface；Stirring container (2) rear end face center and hydraulic transmission (3) are cut with scissors
It connects；Stirring blade (8) are provided on stirring container (2) inner wall；
Hydraulic transmission (3) is able to drive stirring container (2) rear end and moves along the vertical direction；Driving device (9) is for being stirred
It mixes container (2) and the power rotated around stirring container (2) axis is provided；Control device (4) is used to control the start and stop of driving device (9)
And rotation direction；
When feeding to stirring container (2), by the support of support frame (21), it is higher than stirring container (2) front end horizontal position
Rear end, stirring container (2) rotate forward；When stirring container (2) discharging, feeding device (5) turns to stirring container (2) circumferential surface, liquid
Pressure transmission device (3) drives stirring container (2) rear end to be moved upward to horizontal position along the vertical direction higher than front end, stirring container
(2) opposite direction rotates.
2. a kind of cement mixer according to claim 1, which is characterized in that support frame (21) is divided into fixed stirring container
(2) partially with connect puddle support (1) part, two parts are hinged, and connection puddle support (1) part is fixed, fixed stirring container (2) portion
Dividing can rotate by the center of circle of articulated shaft, and fixed stirring container (2) partial interior is nested in stirring container (2) week by bearing
Face.
3. a kind of cement mixer according to claim 2, which is characterized in that driving device (9) is arranged in support frame
(21) fixed stirring container (2) are partially located at the side of stirring container (2) front end, corresponding driving device (9) portion of stirring container (2)
The circumferential surface of position is provided with a circle tooth, and driving device (9) is provided with chain and wraps up tooth, is driven by motor to chain.
4. a kind of cement mixer according to claim 1, which is characterized in that the hydraulic transmission (3) includes thick stick
Bar handle (7), small oil tank (13), the small piston (14) being arranged in small oil tank (13), fuel tank (18), large tank (18) and setting
Big piston (20) in large tank (18)；Lever handle (7) one end is hingedly fixed, for control small piston (14) on move down
It is dynamic；Small oil tank (13) is connected to fuel tank (18) by the first check valve (15), the first check valve (15) liquid outlet and small oil tank
(13) it connects, inlet is connect with fuel tank (18)；Small oil tank (13) is connected to large tank (19) by second one-way valve (16), the
Two check valves (16) liquid outlet is connect with large tank (19), and inlet is connect with small oil tank (13)；Large tank (19) and fuel tank
(18) it is connected to by shut-off valve (17)；Big piston (20) is hinged by Hooks coupling universal coupling with stirring container (2) rear end face center.
5. a kind of cement mixer according to claim 1, which is characterized in that stirring container (2) on inner wall if be provided with
Dry stirring blade (8), when stirring container (2) rotates forward, stirring blade (8) drives material mobile to stirring container (2) rear end, stirring
When container (2) reversely rotates, stirring blade (8) drives material mobile to stirring container (2) front end.
6. a kind of cement mixer according to claim 1, which is characterized in that stirring container (2) is internally provided with temperature
Regulating device and temperature sensor, temperature-adjusting device and temperature sensor are connect with control device (4), control device (4)
It is provided with thermometer (12).
7. a kind of cement mixer according to claim 1, which is characterized in that stirring container (2) is hinged with by bracket
Feeding device (5), feeding device (5) can be rotated around bracket one end；When charging, feeding device (5) rotation to disengaging
Material mouth (10) connection, when discharging, rotation to stirring container (2) circumferential surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821669946.7U CN209425825U (en) | 2018-10-15 | 2018-10-15 | A kind of cement mixer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821669946.7U CN209425825U (en) | 2018-10-15 | 2018-10-15 | A kind of cement mixer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209425825U true CN209425825U (en) | 2019-09-24 |
Family
ID=67966220
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821669946.7U Expired - Fee Related CN209425825U (en) | 2018-10-15 | 2018-10-15 | A kind of cement mixer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209425825U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109262842A (en) * | 2018-10-15 | 2019-01-25 | 长安大学 | A kind of cement mixer and its input and output material method |
| CN110586369A (en) * | 2019-10-17 | 2019-12-20 | 长沙佐迩信息科技有限公司 | Environmental protection dust device is with firm support frame |
| CN112060346A (en) * | 2020-09-17 | 2020-12-11 | 李亚勤 | Shaking type concrete stirring device |
-
2018
- 2018-10-15 CN CN201821669946.7U patent/CN209425825U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109262842A (en) * | 2018-10-15 | 2019-01-25 | 长安大学 | A kind of cement mixer and its input and output material method |
| CN109262842B (en) * | 2018-10-15 | 2023-12-19 | 长安大学 | Cement mixer and feeding and discharging method thereof |
| CN110586369A (en) * | 2019-10-17 | 2019-12-20 | 长沙佐迩信息科技有限公司 | Environmental protection dust device is with firm support frame |
| CN112060346A (en) * | 2020-09-17 | 2020-12-11 | 李亚勤 | Shaking type concrete stirring device |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190924 Termination date: 20201015 |
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| CF01 | Termination of patent right due to non-payment of annual fee |