CN114536555B - Building construction concrete mixing device - Google Patents
Building construction concrete mixing device Download PDFInfo
- Publication number
- CN114536555B CN114536555B CN202210263423.7A CN202210263423A CN114536555B CN 114536555 B CN114536555 B CN 114536555B CN 202210263423 A CN202210263423 A CN 202210263423A CN 114536555 B CN114536555 B CN 114536555B
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- stirring
- assembly
- stirring box
- column
- subassembly
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- 239000004567 concrete Substances 0.000 title claims abstract description 60
- 238000009435 building construction Methods 0.000 title claims abstract description 12
- 238000003756 stirring Methods 0.000 claims abstract description 110
- 238000004140 cleaning Methods 0.000 claims abstract description 35
- 238000010276 construction Methods 0.000 claims abstract description 19
- 238000007599 discharging Methods 0.000 claims abstract description 19
- 238000003825 pressing Methods 0.000 claims description 21
- 230000000670 limiting effect Effects 0.000 claims description 10
- 230000003044 adaptive effect Effects 0.000 claims description 6
- 230000000712 assembly Effects 0.000 claims description 3
- 238000000429 assembly Methods 0.000 claims description 3
- 230000005540 biological transmission Effects 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 6
- 238000013019 agitation Methods 0.000 abstract 1
- 238000000034 method Methods 0.000 description 7
- 230000008569 process Effects 0.000 description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- 239000004568 cement Substances 0.000 description 4
- 239000000463 material Substances 0.000 description 3
- 230000007123 defense Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 235000008733 Citrus aurantifolia Nutrition 0.000 description 1
- 235000011941 Tilia x europaea Nutrition 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 239000004571 lime Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
Images
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
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B1/00—Cleaning by methods involving the use of tools
-
- 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
- B28C5/0818—Charging or discharging gates or chutes; Sealing means
-
- 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
- B28C5/0831—Drives or drive systems, e.g. toothed racks, winches
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 is suitable for the field of building construction, and provides a building construction concrete mixing device, which comprises: the stirring device comprises a stirring box, wherein fixed supporting legs are arranged on two sides of the stirring box, and a feeding hole is formed in the stirring box; the stirring assembly is arranged inside the stirring box; the discharging assembly is arranged on the stirring box; a cleaning assembly mounted on the agitation assembly; and the linkage assembly is arranged between the cleaning assembly and the discharging assembly. When this construction concrete mixing device used, drop into the agitator tank through the feed inlet in with the concrete, start the stirring subassembly afterwards, then the stirring subassembly can stir the concrete, accomplish the back at the stirring, start the subassembly of unloading, then the subassembly of unloading can make the discharge opening open and unload, and when the subassembly operation of unloading, can drive clean subassembly operation through the interlock subassembly, clear up remaining concrete on the stirring subassembly, realize self-cleaning's effect.
Description
Technical Field
The invention belongs to the field of building construction, and particularly relates to a concrete stirring device for building construction.
Background
The building construction refers to production activities in the engineering construction implementation stage, is the construction process of various buildings, and also can be a process of changing various lines on a design drawing into a real object at a specified place. The method comprises foundation engineering construction, main structure construction, roofing engineering construction, decoration engineering construction and the like. The site of the construction work is called a "construction site" or "job site", also called a worksite.
Concrete: refers to the general name of engineering composite materials formed by cementing aggregate into a whole by cementing materials. The term concrete generally refers to cement as the cementing material and sand and stone as the aggregate; the cement concrete, also called as common concrete, is obtained by mixing with water (which may contain additives and admixtures) according to a certain proportion and stirring, and is widely applied to civil engineering.
Concrete mixing is an operation method for uniformly mixing cement, lime, water and other materials. Concrete mixing is divided into two categories: manually and mechanically stirring the water. The concrete mixing plant is widely applied to construction projects of industry, agriculture, traffic, national defense, water conservancy, municipal administration and the like in China, and the demand is increasing continuously.
The cement concrete mixing plant is widely applied to construction projects of industry, agriculture, traffic, national defense, water conservancy, municipal administration and the like in China, and the demand is increasing continuously. Although the domestic concrete mixing plant is continuously innovated and advanced on the basis of referring to foreign products, the technical level is gradually improved, the research on the batching process is not sufficient for the whole mixing plant, and particularly for a newly-built concrete mixing plant, the domestic concrete mixing plant usually depends on the experience accumulated by a matching manufacturer for many years, basically meets the quality requirements of the national standard on the concrete mixing plant, and does not carry out special experimental research on the conveying process, the feeding process and the like.
Current concrete mixing device only can discharge the concrete after the stirring is accomplished, and still remain a large amount of concrete on the puddler, if not in time clear up then can solidify on the puddler, is difficult to clean, has brought very big inconvenience for subsequent work, the poor problem of result of use.
Disclosure of Invention
The embodiment of the invention aims to provide a concrete stirring device for building construction, and aims to solve the problems that the existing concrete stirring device can only discharge concrete after stirring is completed, a large amount of concrete still remains on a stirring rod, the concrete is solidified on the stirring rod if the concrete is not cleaned in time, the cleaning is difficult, great inconvenience is brought to subsequent work, and the using effect is poor.
The embodiment of the present invention is achieved as described above, in which a concrete mixer for building construction includes:
the stirring device comprises a stirring box, wherein fixed supporting legs are arranged on two sides of the stirring box, a feeding hole is formed in the stirring box, and a discharging hole is formed in one side of the stirring box;
the stirring assembly is arranged in the stirring box and is used for stirring and mixing concrete in the stirring box;
the discharging assembly is arranged on the stirring box and used for discharging concrete in the stirring box;
the cleaning assembly is arranged on the stirring assembly and is used for removing the residual concrete on the stirring assembly;
the linkage assembly is arranged between the cleaning assembly and the discharging assembly and used for driving the cleaning assembly to work through the operation of the discharging assembly.
Preferably, the stirring assembly comprises:
the control motor is arranged in the stirring box, and the output end of the control motor is connected with a rotating shaft;
the stirring shaft is arranged on the side part of the rotating shaft, and the cleaning component is arranged on the stirring shaft and inside the rotating shaft.
Preferably, the discharge assembly comprises:
the first tank body is arranged inside the side wall of the stirring box, a driving motor is rotatably connected to the first tank body, and the output end of the driving motor is connected with a first threaded rod;
the pushing column is in threaded connection with the first threaded rod, one end of the pushing column is rotatably connected with a closing plate through a torsion spring, the closing plate is matched with the discharge opening, and a guiding pushing column is installed on one side of the closing plate;
the guide push plate is arranged on the fixed supporting leg, and the guide push plate is matched with the guide push column;
and the limiting assembly is arranged on the side wall of the stirring box and used for limiting the rotation of the driving motor.
Preferably, the spacing assembly includes:
the adaptive groove is formed in the fixed supporting leg, a first spring is arranged in the adaptive groove, one end of the first spring is provided with a first pressing column, and one end of the first pressing column is provided with a pressing plate;
the second pressing column is arranged on the side part of the pushing column and is matched with the pressing plate;
the push plate is connected to the side wall of the stirring box in a sliding manner and is connected with the pressure plate;
the clamping rod is connected to the side wall of the stirring box in a sliding mode, a bayonet is formed in the driving motor, and the bayonet is matched with the clamping rod;
the arc installs kelly one end, the cover is equipped with the second spring on the kelly, the arc is mutually supported with the push pedal.
Preferably, the cleaning assembly comprises:
the second threaded rod is rotatably connected inside the stirring box, and a threaded block is connected to the second threaded rod in a threaded manner;
the circular ring is connected to the side part of the thread block in a sliding manner, and a pulling column is installed on the circular ring;
the cleaning sleeve is sleeved on the stirring shaft in a sliding manner, one side of the cleaning sleeve is rotatably connected with a linkage rod, and one end of the linkage rod is rotatably connected with the pulling column.
Preferably, the linkage assembly includes:
the column spinner is installed driving motor one side, the inside rotation of agitator tank is connected with the carousel, the carousel with the second threaded rod is connected, the cover is equipped with the transmission band between carousel and the column spinner.
Preferably, the number of said agitator shafts and cleaning assemblies is equal.
The concrete stirring device for building construction provided by the embodiment of the invention has the following beneficial effects:
when this construction concrete mixing device used, drop into the agitator tank through the feed inlet in with the concrete, start the stirring subassembly afterwards, then the stirring subassembly can stir the concrete, accomplish the back at the stirring, start the subassembly of unloading, then the subassembly of unloading can make the discharge opening open and unload, and when the subassembly operation of unloading, can drive clean subassembly operation through the interlock subassembly, clear up remaining concrete on the stirring subassembly, realize self-cleaning's effect.
Drawings
Fig. 1 is a schematic structural diagram of a concrete mixing device for building construction according to an embodiment of the present invention;
FIG. 2 is a diagram illustrating an operation state of a concrete mixer for construction according to an embodiment of the present invention;
FIG. 3 is an enlarged view of a portion of FIG. 1 at A;
FIG. 4 is an enlarged view of a portion of FIG. 2 at B;
fig. 5 is a partially enlarged view of C in fig. 2.
In the drawings: 1-a stirring box; 2-fixed support legs; 3-a feed inlet; 4-a discharge opening; 5-a stirring component; 51-control motor; 52-spin columns; 53-stirring shaft; 6-a discharge assembly; 61-a first trough body; 62-a drive motor; 63-a first threaded rod; 64-a push column; 65-a closing plate; 66-a guide push column; 67-a guide push plate; 68-an adapter groove; 69-a first spring; 610-pressing the first column; 611, pressing a plate; 612-pressing the second column; 613-push plate; 614-clamping rod; 615-bayonet; 616-an arc plate; 617-second spring; 7-a cleaning component; 71-a second threaded rod; 72-a thread block; 73-ring; 74-pulling the post; 75-a cleaning sleeve; 76-linkage; 8-a linkage assembly; 81-spin columns; 82-a turntable; 83-conveying belt.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Specific implementations of the present invention are described in detail below with reference to specific embodiments.
As shown in fig. 1, in an embodiment of the present invention, the construction concrete mixing apparatus includes:
the stirring device comprises a stirring box 1, wherein fixed support legs 2 are arranged on two sides of the stirring box 1, a feeding hole 3 is arranged on the stirring box 1, and a discharging hole 4 is formed in one side of the stirring box 1;
the stirring assembly 5 is installed inside the stirring box 1, and the stirring assembly 5 is used for stirring and mixing concrete in the stirring box 1;
the discharging assembly 6 is arranged on the stirring box 1, and the discharging assembly 6 is used for discharging concrete in the stirring box 1;
the cleaning component 7 is arranged on the stirring component 5 and is used for removing residual concrete on the stirring component 5;
and the linkage assembly 8 is arranged between the cleaning assembly 7 and the discharging assembly 6 and is used for driving the cleaning assembly 7 to work through the operation of the discharging assembly 6.
When this construction concrete mixing device uses, drop into agitator tank 1 with the concrete through feed inlet 3 in, start stirring subassembly 5 afterwards, then stirring subassembly 5 can stir the concrete, after the stirring is accomplished, start the subassembly 6 of unloading, then the subassembly 6 of unloading can make discharge opening 4 open and unload, and when the subassembly 6 operation of unloading, can drive clean subassembly 7 operation through interlock subassembly 8, clear up remaining concrete on stirring subassembly 5, realize self-cleaning's effect.
As shown in fig. 1 to 5, in the embodiment of the present invention, the stirring assembly 5 includes:
the control motor 51 is arranged inside the stirring box 1, and the output end of the control motor 51 is connected with a rotating shaft 52;
a stirring shaft 53 installed at a side of the rotating shaft 52, the cleaning assembly 7 being installed on the stirring shaft 53 and inside the rotating shaft 52.
As shown in fig. 1 to 5, in the embodiment of the present invention, the discharging assembly 6 includes:
the first tank body 61 is arranged inside the side wall of the stirring box 1, a driving motor 62 is rotatably connected to the first tank body 61, and the output end of the driving motor 62 is connected with a first threaded rod 63;
the pushing column 64 is in threaded connection with the first threaded rod 63, one end of the pushing column 64 is rotatably connected with a closing plate 65 through a torsion spring, the closing plate 65 is matched with the discharge opening 3, and a guiding pushing column 66 is arranged on one side of the closing plate 65;
the guide push plate 67 is arranged on the fixed supporting leg 2, and the guide push plate 67 is matched with the guide push column 66;
and the limiting assembly is arranged on the side wall of the stirring box 1 and is used for limiting the rotation of the driving motor 62.
As shown in fig. 1 to 5, in the embodiment of the present invention, the position limiting assembly includes:
the adaptive groove 68 is formed in the fixed supporting leg 2, a first spring 69 is arranged in the adaptive groove 68, a first pressing column 610 is installed at one end of the first spring 69, and a pressing plate 611 is installed at one end of the first pressing column 610;
the second pressing column 612 is installed on the side part of the pushing column 64, and the second pressing column 612 is matched with the pressing plate 611;
a push plate 613, slidably connected to the side wall of the stirring tank 1, wherein the push plate 613 is connected to the pressure plate 611;
the clamping rod 614 is connected to the side wall of the stirring box 1 in a sliding manner, a bayonet 615 is formed in the driving motor 62, and the bayonet 615 is matched with the clamping rod 614;
an arc plate 616 is installed at one end of the clamping rod 614, a second spring 617 is sleeved on the clamping rod 614, and the arc plate 616 and the push plate 613 are matched with each other.
When the sealing device is used, the driving motor 62 is started, the driving motor 62 drives the first threaded rod 63 to rotate under the limiting action of the limiting assembly, the pushing column 64 is driven to move downwards, the closing plate 65 is driven to move by the downward movement of the pushing column 64, the closing plate 65 is driven to rotate through the matching relation between the guiding pushing column 66 and the guiding pushing plate 67, and the discharge opening 4 is in an open state;
meanwhile, when the pushing column 64 moves downward, the second pressing column 612 can press the pressing plate 611 downward, and drive the pushing plate 613 to separate from the arc-shaped plate 616, so that the clamping rod 614 can separate from the bayonet 615 under the action of the second spring 617, and the rotation of the driving motor 62 drives itself to start rotating, thereby driving the linking assembly 8 to operate.
As shown in fig. 1 to 5, in the embodiment of the present invention, the cleaning assembly 7 includes:
the second threaded rod 71 is rotatably connected inside the stirring box 1, and a threaded block 72 is connected to the second threaded rod 71 in a threaded manner;
a circular ring 73 slidably connected to the side of the thread block 72, wherein a pulling column 74 is mounted on the circular ring 73;
the cleaning sleeve 75 is sleeved on the stirring shaft 53 in a sliding manner, one side of the cleaning sleeve 75 is rotatably connected with a linkage rod 76, and one end of the linkage rod 76 is rotatably connected with the pulling column 74.
During the use, when driving motor 62 itself began to rotate, can drive second threaded rod 71 through interlock subassembly 8 and rotate, then can drive screw block 72 and descend, then screw block 72 can push cleaning sleeve 75 through the cooperation between pulling post 74 and the trace 76 and remove, will remain the concrete on (mixing) shaft 53 through cleaning sleeve 75 and clear up.
As shown in fig. 1 to 5, in the embodiment of the present invention, the linkage assembly 8 includes:
In the embodiment of the present invention, the number of the agitating shafts 53 and the cleaning assemblies 7 is equal.
To summer up, when this construction concrete mixing device uses, drop into agitator tank 1 with the concrete through feed inlet 3 in, start stirring subassembly 5 afterwards, then stirring subassembly 5 can stir the concrete, after the stirring is accomplished, start the subassembly 6 of unloading, then the subassembly 6 of unloading can make discharge opening 4 open and unload, and when the subassembly 6 operation of unloading, can drive clean subassembly 7 operation through interlock subassembly 8, clear up remaining concrete on stirring subassembly 5, realize self-cleaning's effect.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (3)
1. The utility model provides a construction concrete mixing device which characterized in that, construction concrete mixing device includes:
the stirring device comprises a stirring box, wherein fixed supporting legs are arranged on two sides of the stirring box, a feeding hole is formed in the stirring box, and a discharging hole is formed in one side of the stirring box;
the stirring component is arranged in the stirring box and is used for stirring and mixing concrete in the stirring box;
the discharging assembly is arranged on the stirring box and used for discharging concrete in the stirring box;
the cleaning assembly is arranged on the stirring assembly and is used for removing the residual concrete on the stirring assembly;
the linkage assembly is arranged between the cleaning assembly and the discharging assembly and is used for driving the cleaning assembly to work through the operation of the discharging assembly;
wherein, the stirring subassembly includes:
the control motor is arranged in the stirring box, and the output end of the control motor is connected with a rotating shaft;
the stirring shaft is arranged on the side part of the rotating shaft, and the cleaning assembly is arranged on the stirring shaft and in the rotating shaft;
the subassembly of unloading includes:
the first tank body is arranged inside the side wall of the stirring box, a driving motor is rotatably connected to the first tank body, and the output end of the driving motor is connected with a first threaded rod;
the pushing column is in threaded connection with the first threaded rod, one end of the pushing column is rotatably connected with a closing plate through a torsion spring, the closing plate is matched with the discharge opening, and a guiding pushing column is installed on one side of the closing plate;
the guide push plate is arranged on the fixed supporting leg, and the guide push plate is matched with the guide push column;
the limiting assembly is mounted on the side wall of the stirring box and used for limiting the rotation of the driving motor;
the spacing subassembly includes:
the adaptive groove is formed in the fixed supporting leg, a first spring is arranged in the adaptive groove, one end of the first spring is provided with a first pressing column, and one end of the first pressing column is provided with a pressing plate;
the second pressing column is arranged on the side part of the pushing column and is matched with the pressing plate;
the push plate is connected to the side wall of the stirring box in a sliding manner and is connected with the pressure plate;
the clamping rod is connected to the side wall of the stirring box in a sliding mode, a bayonet is formed in the driving motor, and the bayonet is matched with the clamping rod;
the arc-shaped plate is installed at one end of the clamping rod, a second spring is sleeved on the clamping rod, and the arc-shaped plate is matched with the push plate;
the cleaning assembly includes:
the second threaded rod is rotatably connected inside the stirring box, and a threaded block is connected to the second threaded rod in a threaded manner;
the circular ring is connected to the side part of the thread block in a sliding manner, and a pulling column is installed on the circular ring;
the cleaning sleeve is sleeved on the stirring shaft in a sliding manner, one side of the cleaning sleeve is rotatably connected with a linkage rod, and one end of the linkage rod is rotatably connected with the pulling column.
2. The construction concrete mixing device according to claim 1, wherein the interlocking member includes:
the column spinner is installed driving motor one side, the inside rotation of agitator tank is connected with the carousel, the carousel with the second threaded rod is connected, the cover is equipped with the transmission band between carousel and the column spinner.
3. The building construction concrete mixing device of claim 1, wherein the number of mixing shafts and cleaning assemblies is equal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210263423.7A CN114536555B (en) | 2022-03-17 | 2022-03-17 | Building construction concrete mixing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210263423.7A CN114536555B (en) | 2022-03-17 | 2022-03-17 | Building construction concrete mixing device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114536555A CN114536555A (en) | 2022-05-27 |
| CN114536555B true CN114536555B (en) | 2022-09-20 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210263423.7A Active CN114536555B (en) | 2022-03-17 | 2022-03-17 | Building construction concrete mixing device |
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| Country | Link |
|---|---|
| CN (1) | CN114536555B (en) |
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| CN210361905U (en) * | 2019-04-11 | 2020-04-21 | 民勤县鼎盛新型建材有限公司 | Raw material mixing and stirring device for concrete building blocks |
| DE102020103139A1 (en) * | 2020-02-07 | 2021-08-12 | Wolfgang Kindler | Dosing system |
| CN112207984A (en) * | 2020-09-03 | 2021-01-12 | 岳超然 | High-efficient type concrete mixing equipment |
| CN214214240U (en) * | 2020-11-08 | 2021-09-17 | 雷明 | Agitating unit for municipal construction |
| CN213918940U (en) * | 2020-11-26 | 2021-08-10 | 福州市闽建工程检测有限公司 | Cement mortar mixer |
| CN113103434A (en) * | 2021-03-31 | 2021-07-13 | 南京秋杰通讯科技有限公司 | A concrete mixing equipment for airport construction |
| CN214772990U (en) * | 2021-05-21 | 2021-11-19 | 抚顺远东混凝土有限公司 | Dust fall concrete mixing device |
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| CN114536555A (en) | 2022-05-27 |
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Address after: No. 807, Qiancheng Community, Shangma Street, Chengyang District, Qingdao City, Shandong Province, 266114 Patentee after: China Railway Construction Group No.2 Construction Co.,Ltd. Patentee after: China Railway Construction Engineering Group Address before: No.807, Qiancheng community, Shangma street, Chengyang District, Qingdao City, Shandong Province Patentee before: CHINA RAILWAY CONSTRUCTION ENGINEERING GROUP SHANDONG Co.,Ltd. Patentee before: China Railway Construction Engineering Group |
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