CN111751167B - Powder sampling equipment in concrete production - Google Patents
Powder sampling equipment in concrete production Download PDFInfo
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- CN111751167B CN111751167B CN202010728169.4A CN202010728169A CN111751167B CN 111751167 B CN111751167 B CN 111751167B CN 202010728169 A CN202010728169 A CN 202010728169A CN 111751167 B CN111751167 B CN 111751167B
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- 239000000843 powder Substances 0.000 title claims abstract description 42
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 18
- 238000005070 sampling Methods 0.000 title claims abstract description 18
- 239000000463 material Substances 0.000 claims abstract description 21
- 239000000428 dust Substances 0.000 claims abstract description 18
- 238000007599 discharging Methods 0.000 claims abstract description 11
- 238000007667 floating Methods 0.000 claims abstract description 11
- 238000013016 damping Methods 0.000 claims description 11
- 230000001105 regulatory effect Effects 0.000 description 8
- 238000000034 method Methods 0.000 description 5
- 238000012360 testing method Methods 0.000 description 4
- 239000002699 waste material Substances 0.000 description 3
- 239000004566 building material Substances 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005056 compaction Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000003116 impacting effect Effects 0.000 description 1
- 238000005381 potential energy Methods 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/10—Devices for withdrawing samples in the liquid or fluent state
- G01N1/14—Suction devices, e.g. pumps; Ejector devices
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/10—Devices for withdrawing samples in the liquid or fluent state
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/10—Devices for withdrawing samples in the liquid or fluent state
- G01N1/18—Devices for withdrawing samples in the liquid or fluent state with provision for splitting samples into portions
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/10—Devices for withdrawing samples in the liquid or fluent state
- G01N2001/1006—Dispersed solids
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/10—Devices for withdrawing samples in the liquid or fluent state
- G01N1/14—Suction devices, e.g. pumps; Ejector devices
- G01N2001/1418—Depression, aspiration
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
The invention discloses powder sampling equipment in concrete production, and relates to the technical field of concrete; comprises a device main body; the material sucking component is arranged on the equipment main body and is used for sucking powder into the equipment main body; the dust falling component is arranged in the equipment main body and is used for avoiding the discharged sample from floating in the air; the quantitative part is fixedly arranged at the bottom of the equipment main body, and the internal cavities of the quantitative part and the equipment main body are communicated; wherein, the inside row's of being provided with material chamber of ration piece, row material chamber central point puts and rotates and be provided with the pivot, the array is provided with a plurality of blades in the pivot, and one of them blade is contradicted on the ration conflict piece that an elasticity set up, encloses into the ration chamber between this blade and the adjacent blade, ration piece bottom still is provided with the bin outlet. According to the invention, the dust falling component is arranged, so that the discharged sample is prevented from floating in the air, and powder is saved; meanwhile, quantitative discharging is realized.
Description
Technical Field
The invention relates to the technical field of concrete, in particular to powder sampling equipment in concrete production.
Background
Concrete is the most widely used building material prepared manually in the world at present. Along with the continuous development of economy, the development of the building industry in China is rapid, the building quantity of infrastructure is increased or not, and the concrete is taken as one of the building materials with the largest modern building engineering consumption, so that the demand of the concrete is rapid. Particularly, the high performance requirements of the super high-rise building on the concrete, such as the characteristics of super pumping performance, high strength and high performance, self-compaction performance and the like, need to be subjected to a large number of pilot tests and multiple pilot tests, so as to design the concrete mixing ratio meeting the requirements.
In the production process of concrete, powder needs to be sampled, multiple tests are needed after sampling is completed, a large amount of powder is usually taken out at one time in the prior art, then the powder is artificially aliquoted, then the tests are carried out, the workload is large, and the use is inconvenient; the powder sampling equipment for concrete production is provided to solve the technical problems.
Disclosure of Invention
The invention aims to provide powder sampling equipment in concrete production so as to solve the problems in the background technology.
In order to achieve the above purpose, the present invention provides the following technical solutions:
a powder sampling device in concrete production comprises a device main body;
the material sucking component is arranged on the equipment main body and is used for sucking powder into the equipment main body;
the dust falling component is arranged in the equipment main body and is used for avoiding the discharged sample from floating in the air;
the quantitative part is fixedly arranged at the bottom of the equipment main body, and the internal cavities of the quantitative part and the equipment main body are communicated;
wherein, the inside row's of being provided with material chamber of ration piece, row material chamber central point puts and rotates and be provided with the pivot, the array is provided with a plurality of blades in the pivot, and one of them blade is contradicted on the ration conflict piece that an elasticity set up, encloses into the ration chamber between this blade and the adjacent blade, ration piece bottom still is provided with the bin outlet.
As a further scheme of the invention: the quantitative conflict piece is including supporting the shell, the inside first elastic component that is provided with of supporting the shell, first elastic component one end is fixed to be set up in supporting the inside other end of shell and is set up on supporting the feeler lever, the through-hole setting on the quantitative conflict piece is passed to the conflict lever, and one end slides and sets up in supporting the shell, and the other end is contradicted on a blade.
As still further aspects of the invention: the contact surface of the blade and the contact rod is a smooth cambered surface.
As still further aspects of the invention: the blade includes that tip elasticity is provided with the extensible member, and the material intracavity portion of discharging still is provided with the damping piece, the conflict distance of extensible member and damping piece is the rotation distance of blade single ration row material.
As still further aspects of the invention: the discharging cavity bottom is fixedly provided with a sliding block which is arranged in the sliding cavity in a sliding mode, the sliding block bottom is fixedly provided with a second elastic piece, and the second elastic piece is fixedly arranged in the sliding cavity.
As still further aspects of the invention: the inside slip of supporting shell is provided with first support piece, first elastic component keeps away from conflict pole one end fixed mounting on first support piece, and first adjusting screw passes the screw hole setting on the supporting shell, and first adjusting screw one end rotation is installed on first support piece.
As still further aspects of the invention: the sliding device comprises a sliding cavity, a first elastic piece, a second elastic piece, a first supporting piece, a second supporting piece, a regulating block, a blade, a second regulating screw and a threaded hole, wherein the lower end of the second elastic piece is fixedly arranged on the second supporting piece which is arranged in the sliding cavity in a sliding mode, the bottom of the second supporting piece is further provided with the regulating block, the contact surface of the regulating block and the second supporting piece is an inclined surface, the regulating block is arranged in the sliding cavity in a sliding mode in a back-and-forth mode, the blade is further provided with the second regulating screw, and the second regulating screw penetrates through the threaded hole in the blade to be rotationally connected to the regulating block.
As still further aspects of the invention: the dust falling component comprises a supporting rod fixedly installed inside the equipment main body, and spiral blades are arranged on the outer side of the supporting rod.
As still further aspects of the invention: the inside cavity setting of bracing piece, and with the inside blast pipe intercommunication on the equipment main part of bracing piece.
As still further aspects of the invention: the suction component comprises a suction nozzle communicated with the inside of the equipment main body, and a fan is further arranged on the suction nozzle and fixedly installed on the equipment main body.
Compared with the prior art, the invention has the beneficial effects that: the dust falling component carries out dust falling treatment on the sample, so that the waste caused by floating of the discharged sample in the air is avoided; then between two continuous blades in the row's material chamber is fallen to the sample through dust fall processing, and one of them blade conflict is on quantitative conflict piece, when the sample that falls to row's material intracavity portion reaches the settlement weight, the blade makes quantitative conflict piece shrink, and the blade slides out from quantitative conflict piece, slides to the next position and simultaneously powder on this blade is discharged through the bin outlet, then adjacent blade conflict is on quantitative conflict piece, carries out the quantitative discharge of secondary. According to the invention, the dust falling component is arranged, so that the discharged sample is prevented from floating in the air, and powder is saved; meanwhile, quantitative discharging is realized.
Drawings
FIG. 1 is a schematic diagram of a powder sampling apparatus in concrete production.
FIG. 2 is a schematic structural view of a quantitative interference member in a powder sampling apparatus in concrete production.
FIG. 3 is a schematic view of the structure of the rotary shaft in the powder sampling apparatus in concrete production.
In the figure: the device comprises a 1-device main body, a 2-supporting rod, a 3-spiral blade, a 4-suction nozzle, a 5-fan, a 6-exhaust pipe, a 7-discharge cavity, an 8-rotating shaft, a 9-blade, a 10-quantitative abutting piece, an 11-abutting rod, a 12-supporting shell, a 13-first elastic piece, a 14-first supporting piece, a 15-first adjusting screw rod, a 16-sliding cavity, a 17-telescopic piece, a 18-sliding block, a 19-second elastic piece, a 20-second supporting piece, a 21-adjusting block, a 22-second adjusting screw rod, a 23-damping piece, a 24-discharge opening and a 25-quantitative piece.
Detailed Description
In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first", "a second", etc. may explicitly or implicitly include one or more such feature. In the description of the present invention, unless otherwise indicated, the meaning of "a plurality" is two or more.
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1 to 3, in an embodiment of the present invention, a powder sampling apparatus for concrete production includes an apparatus main body 1;
the material sucking component is arranged on the equipment main body 1 and is used for sucking powder into the equipment main body 1;
the dust falling component is arranged in the equipment main body 1 and used for avoiding the discharged sample from floating in the air;
the quantifying piece 25 is fixedly arranged at the bottom of the equipment main body 1, and the two internal cavities are communicated;
wherein, the inside row material chamber 7 that is provided with of ration piece 25, the rotation of row material chamber 7 central point puts and is provided with pivot 8, the array is provided with a plurality of blades 9 on the pivot 8, and one of them blade 9 is contradicted on the ration conflict piece 10 that an elasticity set up, encloses into the ration chamber between this blade 9 and the adjacent blade 9, ration piece 25 bottom still is provided with bin outlet 24 for discharge quantitative sample.
Specifically, the material sucking component sucks powder into the equipment main body 1, and the dust falling component carries out dust falling treatment on the sample, so that the waste caused by floating of the discharged sample in the air is avoided; then the sample through dust fall processing falls between two continuous blades 9 in the discharge chamber 7, and one of them blade 9 conflict is on quantitative conflict piece 10, when the sample that falls to the discharge chamber 7 inside reaches the settlement weight, blade 9 makes quantitative conflict piece 10 shrink, and blade 9 slides out from quantitative conflict piece 10, slides to next position and simultaneously the powder on this blade 9 is discharged through bin outlet 24, then adjacent blade 9 conflict is on quantitative conflict piece 10, carries out the quantitative discharge of second time. According to the invention, the dust falling component is arranged, so that the discharged sample is prevented from floating in the air, and powder is saved; meanwhile, quantitative discharging is realized.
The quantitative abutting piece 10 comprises a supporting shell 12, a first elastic piece 13 is arranged inside the supporting shell 12, one end of the first elastic piece 13 is fixedly arranged inside the supporting shell 12, the other end of the first elastic piece is arranged on the abutting rod 11, the abutting rod 11 penetrates through a through hole formed in the quantitative abutting piece 10, one end of the abutting rod is arranged in the supporting shell 12 in a sliding mode, and the other end of the abutting rod abuts against one blade 9. This arrangement in turn achieves elastic interference on the vanes 9, and thus achieves quantitative discharge.
The abutting surface of the blade 9 and the abutting rod 11 is a smooth cambered surface. Reduce the resistance in the collision process.
Because when one of them blade 9 receives the drive of powder and rotates under the row material in-process, if not set up the damping, the rotational speed of whole pivot 8 and a plurality of blade 9 can be faster and faster, and then lead to blade 9 can not be blocked by quantitative conflict piece 10, can not carry out the quantitative row material of secondary, consequently blade 9 is provided with telescopic member 17 including tip elasticity, and the inside damping piece 23 that still is provided with of row material chamber 7, telescopic member 17 is the rotation distance of the quantitative row material of blade 9 single with damping piece 23's conflict distance. This setting is then at blade 9 rotation row material in-process, and one of them damping piece 23 contradicts on damping piece 23, offsets the kinetic energy of powder decline in-process, avoids next blade 9 to cause the impact to quantitative conflict piece 10 for continuous row material can go on.
In order to be able to mount the telescopic element 17 elastically on the blade 9, a sliding block 18 is fixedly mounted at the bottom of the discharging cavity 7 and is slidably arranged in the sliding cavity 16, a second elastic element 19 is fixedly mounted at the bottom of the sliding block 18, and the second elastic element 19 is fixedly arranged in the sliding cavity 16, and the telescopic element 17 is further elastically mounted on the blade 9.
In order to be able to meet different quantitative demands, the elasticity of the telescopic element 17 and the quantitative abutting element 10 is thus adjustable; the concrete support shell 12 is inside to slide and is provided with first support piece 14, first elastic component 13 keeps away from to touch pole 11 one end fixed mounting on first support piece 14, and first adjusting screw 15 passes the screw hole setting on the support shell 12, and first adjusting screw 15 one end rotation is installed on first support piece 14, makes first support piece 14 slide in support shell 12 inside under the effect of screw hole when first adjusting screw 15 rotation, and then accomplishes the adjustment to first elastic component 13 elasticity, and then satisfies the requirement of different discharge amount powder.
The lower end of the second elastic piece 19 is fixedly arranged on a second supporting piece 20 which is arranged in the sliding cavity 16 in a sliding manner, an adjusting block 21 is further arranged at the bottom of the second supporting piece 20, the contact surface between the adjusting block 21 and the second supporting piece 20 is an inclined surface, the adjusting block 21 is arranged in the sliding cavity 16 in a sliding manner in a back-and-forth manner, a second adjusting screw 22 is further arranged on the blade 9, the second adjusting screw 22 is rotatably connected onto the adjusting block 21 through a threaded hole in the blade 9, the second adjusting screw 22 is further arranged to rotatably drive the adjusting block 21 to move up and down, the second supporting piece 20 is further enabled to move back-and-forth, and the elastic adjustment of the second elastic piece 19 is further completed, so that the requirements of different discharge amounts are met.
The dust falling component comprises a supporting rod 2 fixedly installed inside the equipment main body 1, a helical blade 3 is arranged on the outer side of the supporting rod 2, powder enters the equipment main body 1 and then centrifugally moves under the guiding action of the helical blade 3, and then collides on the inner wall of the equipment main body 1, so that kinetic energy is lost and the powder falls to the bottom of the equipment main body 1.
The inside cavity of bracing piece 2 sets up, and communicates with the blast pipe 6 on the equipment main part 1 with the inside bracing piece 2, and the bracing piece 2 bottom is provided with the air inlet, this setting is convenient for with the inside gas discharge of equipment main part 1.
The suction component comprises a suction nozzle 4 communicated with the inside of the equipment main body 1, a fan 5 is further arranged on the suction nozzle 4, the fan 5 is fixedly arranged on the equipment main body 1, and the arrangement is used for providing power for dust collection.
The first elastic member 13 and the second elastic member 19 are springs. The telescopic piece 17 is arranged in an arc shape with the abutting surface of the abutting rod 11, so that resistance is reduced, and running is smoother.
The working principle of the invention is as follows: the blower 5 is electrified to suck powder into the equipment main body 1 through the suction nozzle 4, the spiral blades 3 on the support rod 2 enable the powder to do centrifugal motion, the powder impacts on the inner wall of the equipment main body 1, then the powder loses kinetic energy and falls to the bottom of the equipment main body 1, and waste caused by floating of discharged samples in the air is avoided; then the sample subjected to dust fall treatment falls between two connected blades 9 in the discharge cavity 7, one of the blades 9 is abutted against the quantitative abutting piece 10, when the sample falling into the discharge cavity 7 reaches a set weight, the quantitative abutting piece 10 is contracted by the blades 9, the blades 9 slide out of the quantitative abutting piece 10 and slide to the next position, meanwhile, powder on the blades 9 is discharged through a discharge port 24, then the adjacent blades 9 are abutted against the quantitative abutting piece 10, meanwhile, the telescopic piece 17 on one of the blades 9 is abutted against the damping piece 23, potential energy in the powder falling process is counteracted, and the next blade 9 is prevented from impacting the quantitative abutting piece 10, so that continuous discharge can be carried out; then the adjacent blades 9 are abutted against the quantitative abutting piece 10, and then the quantitative discharging is performed for the second time. According to the invention, the dust falling component is arranged, so that the discharged sample is prevented from floating in the air, and powder is saved; meanwhile, quantitative discharging is realized.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.
Claims (6)
1. Powder sampling equipment in concrete production is characterized by comprising an equipment main body (1);
the material sucking component is arranged on the equipment main body (1) and is used for sucking powder into the equipment main body (1);
the dust falling component is arranged in the equipment main body (1) and used for avoiding the discharged sample from floating in the air;
the quantitative part (25) is fixedly arranged at the bottom of the equipment main body (1), and the two internal cavities are communicated;
the quantitative device comprises a quantitative piece (25), a rotary shaft (8) is arranged in the quantitative piece (25), the rotary shaft (8) is rotatably arranged in the central position of the quantitative piece (7), a plurality of blades (9) are arranged on the rotary shaft (8) in an array mode, one of the blades (9) is abutted against a quantitative abutting piece (10) which is arranged elastically, a quantitative cavity is formed between the blade (9) and the adjacent blade (9), and a discharge port (24) is further formed in the bottom of the quantitative piece (25);
the quantitative abutting piece (10) comprises a supporting shell (12), a first elastic piece (13) is arranged inside the supporting shell (12), one end of the first elastic piece (13) is fixedly arranged inside the supporting shell (12), the other end of the first elastic piece is arranged on an abutting rod (11), the abutting rod (11) penetrates through a through hole in the quantitative abutting piece (10) to be arranged, one end of the abutting rod is slidably arranged in the supporting shell (12), and the other end of the abutting rod abuts against one blade (9);
the blade (9) comprises a telescopic piece (17) arranged at the end part elastically, a damping piece (23) is arranged in the discharging cavity (7), and the abutting distance between the telescopic piece (17) and the damping piece (23) is the rotation distance of single quantitative discharging of the blade (9);
a sliding block (18) which is arranged in the sliding cavity (16) in a sliding manner is fixedly arranged at the bottom of the discharging cavity (7), a second elastic piece (19) is fixedly arranged at the bottom of the sliding block (18), and the second elastic piece (19) is fixedly arranged in the sliding cavity (16);
the support shell (12) is internally provided with a first support piece (14) in a sliding manner, one end of the first elastic piece (13), far away from the contact supporting rod (11), is fixedly arranged on the first support piece (14), the first adjusting screw (15) penetrates through a threaded hole in the support shell (12) to be arranged, and one end of the first adjusting screw (15) is rotatably arranged on the first support piece (14).
2. Powder sampling apparatus in concrete production according to claim 1, characterized in that the contact surface of the blade (9) with the contact rod (11) is a smooth arc surface.
3. The powder sampling apparatus in concrete production according to claim 1, wherein the lower end of the second elastic member (19) is fixedly mounted on a second supporting member (20) slidably arranged in the sliding cavity (16), an adjusting block (21) is further arranged at the bottom of the second supporting member (20), the contact surface between the adjusting block (21) and the second supporting member (20) is an inclined surface, the adjusting block (21) is slidably arranged in the sliding cavity (16) back and forth, a second adjusting screw (22) is further arranged on the blade (9), and the second adjusting screw (22) penetrates through a threaded hole in the blade (9) to be rotationally connected to the adjusting block (21).
4. A powder sampling apparatus in concrete production according to any one of claims 1-3, wherein the dust-settling means comprises a support rod (2) fixedly mounted inside the apparatus body (1), and a helical blade (3) is provided outside the support rod (2).
5. Powder sampling apparatus in concrete production according to claim 4, characterized in that the support rod (2) is hollow inside and the support rod (2) is in communication with the exhaust pipe (6) on the apparatus body (1).
6. Powder sampling apparatus in concrete production according to claim 1, characterized in that the suction component comprises a suction nozzle (4) which is communicated with the interior of the apparatus main body (1), a fan (5) is further arranged on the suction nozzle (4), and the fan (5) is fixedly installed on the apparatus main body (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010728169.4A CN111751167B (en) | 2020-07-27 | 2020-07-27 | Powder sampling equipment in concrete production |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010728169.4A CN111751167B (en) | 2020-07-27 | 2020-07-27 | Powder sampling equipment in concrete production |
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| Publication Number | Publication Date |
|---|---|
| CN111751167A CN111751167A (en) | 2020-10-09 |
| CN111751167B true CN111751167B (en) | 2023-10-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010728169.4A Active CN111751167B (en) | 2020-07-27 | 2020-07-27 | Powder sampling equipment in concrete production |
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| CN (1) | CN111751167B (en) |
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| CN210681823U (en) * | 2019-06-28 | 2020-06-05 | 上海晨烁工业设计有限公司 | Quantitative discharging device |
| CN210981906U (en) * | 2019-10-16 | 2020-07-10 | 上林县林燃建工材料有限公司 | Powder sampling equipment in concrete production |
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2020
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106922257A (en) * | 2017-01-10 | 2017-07-07 | 刘春燕 | A kind of plantation Quantitative seeder |
| CN107337002A (en) * | 2017-05-16 | 2017-11-10 | 陆丽宁 | For producing the revolving plow reclaimer of gomuti palm powder |
| CN108790051A (en) * | 2018-07-03 | 2018-11-13 | 合肥连森裕腾新材料科技开发有限公司 | It is a kind of can automatic demoulding automobile plate parts injection mold |
| KR102025117B1 (en) * | 2018-08-16 | 2019-09-25 | 주식회사 코바코 | A quantitative feeding apparatus for combustibility waste |
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| CN111097309A (en) * | 2019-12-24 | 2020-05-05 | 盐城顶益食品有限公司 | Food emulsifier production is with shock attenuation mixing device |
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| CN111751167A (en) | 2020-10-09 |
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