CN114558772B - Sand screening device for building construction and use method - Google Patents
Sand screening device for building construction and use method Download PDFInfo
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- CN114558772B CN114558772B CN202210211479.8A CN202210211479A CN114558772B CN 114558772 B CN114558772 B CN 114558772B CN 202210211479 A CN202210211479 A CN 202210211479A CN 114558772 B CN114558772 B CN 114558772B
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- box
- sand
- fixedly connected
- screening
- screen box
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/28—Moving screens not otherwise provided for, e.g. swinging, reciprocating, rocking, tilting or wobbling screens
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C13/00—Disintegrating by mills having rotary beater elements ; Hammer mills
- B02C13/14—Disintegrating by mills having rotary beater elements ; Hammer mills with vertical rotor shaft, e.g. combined with sifting devices
- B02C13/18—Disintegrating by mills having rotary beater elements ; Hammer mills with vertical rotor shaft, e.g. combined with sifting devices with beaters rigidly connected to the rotor
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/42—Drive mechanisms, regulating or controlling devices, or balancing devices, specially adapted for screens
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/46—Constructional details of screens in general; Cleaning or heating of screens
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/91—Use of waste materials as fillers for mortars or concrete
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- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Combined Means For Separation Of Solids (AREA)
Abstract
The invention relates to the technical field of building construction, in particular to a sand screening device for building construction. The invention aims to solve the technical problems of sand caking, time and labor waste and inconvenient cleaning. In order to solve the technical problems, the invention provides a sand screening device for building construction and a using method thereof. According to the sand box, the stirring blades are driven to rotate inside the feeding barrel through the stepping motor, the stirring blades break caked sand, the screening effect of the sand box is effectively enhanced, workers can conveniently feed the sand, physical strength is saved, the working efficiency is improved, waste of the sand is effectively prevented, the box body is cleaned, the workers can conveniently clean sand stones, and the difficulty of the workers in cleaning the inside of the sand box is reduced.
Description
Technical Field
The invention relates to a sand screening device for building construction, in particular to a sand screening device for building construction and a using method thereof, and belongs to the technical field of building construction.
Background
Screening sand device is often used in construction and sand is screened to the sand, current job site sieve sand utilizes the individual layer screen cloth to screen usually, the sand that falls on the screen cloth is too concentrated, greatly reduced the efficiency of screening sand, the thickness degree of sand refers to the average thickness degree that the grains of sand of different particle diameters were mixed together, there is coarse sand usually, well sand, the branch of fine sand, the proportion of taking up that the granule gradation of sand is the big or small granule of sand, the good sand of gradation, not only can save cement, the closely knit degree and the intensity of concrete and mortar have still been improved.
At present, sand screening work is carried out on building sites manually, and the physical strength of workers is reduced along with the lapse of time, so that the sand screening effect is gradually reduced; meanwhile, the conventional sand screening device lacks pretreatment of agglomerated sand, so that a large amount of sand is easily wasted after screening, and secondary sand screening is needed, which wastes time and labor; the prior sand screening device is very inconvenient for cleaning screened sand, increases the working difficulty of cleaning workers,
disclosure of Invention
The invention aims to solve the problems and provide a sand screening device for building construction and a using method thereof.
The sand screening device comprises a bottom plate, wherein a pretreatment mechanism with a hydraulic column is arranged on the bottom plate, a screening mechanism with a box body is arranged on the bottom plate, the pretreatment mechanism comprises the hydraulic column, an installation plate, a feeding barrel, a stepping motor and a feeding hopper, the hydraulic column is fixedly connected to the top end surface of the bottom plate, the installation plate is fixedly connected to the top end of the hydraulic column, the feeding barrel is fixedly connected to the top end surface of the installation plate, the stepping motor is fixedly installed at one end of the feeding barrel, the feeding hopper is fixedly installed at the top of the feeding barrel in a penetrating mode, a fixed block is fixedly connected to the top end surface of the installation plate, a rotating shaft is fixedly connected to the output end of the stepping motor, stirring blades are fixedly connected to the rotating shaft, and a valve box is fixedly installed at the bottom of the installation plate in a penetrating mode.
Screening mechanism includes box, backup pad, electric putter, extension spring and connecting axle, box fixed connection is on the face of the top of bottom plate, threaded connection has the bolt on the box, the box has the door plant through bolt threaded connection, it has the baffle to peg graft on the door plant, fixedly connected with backup pad on the face of the top of box, the bottom fixed mounting of backup pad has electric putter, fixedly connected with extension spring on electric putter's the output, the first sieve case of bottom fixedly connected with of extension spring, first sieve case rotates through the connecting axle and is connected with the second sieve case, fixed through mounting has vibrating motor on the box, the fixed through mounting in top of box has the connection fill.
Preferably, the number of the hydraulic columns is four, and the four hydraulic columns are distributed between the mounting plate and the bottom plate in a rectangular shape.
Preferably, the number of electric putter and extension spring is four, four electric putter and two extension springs are a set of and correspond the top of distributing at first sieve case and second sieve case respectively.
Preferably, the number of the fixed blocks is two, the fixed blocks are wedge-shaped fixed blocks, and the top ends of the two fixed blocks are fixedly connected to the feeding barrel.
Preferably, one end of the first sieve box is located inside the second sieve box, and the connecting shaft respectively and movably penetrates through two side plates of the second sieve box and the first sieve box.
Preferably, the output ends of the vibration motors are fixedly connected to one end of the first screen box, the number of the vibration motors is two, and the two vibration motors are symmetrically distributed on the box body relative to the first screen box.
Preferably, the connecting hopper is a hose, the connecting hopper fixedly penetrates through the valve box, and the tail end of the connecting hopper is located inside the first screen box.
A use method of a sand screening device for building construction comprises the following steps:
firstly, the device is installed at a designated position, then a power supply of the device is switched on, a control switch of a hydraulic column of the device is turned on, the hydraulic column is adjusted to a proper working height, a control switch of a stepping motor is turned on, the stepping motor drives a rotating shaft to rotate, so that stirring blades rotate in a feeding barrel, a corresponding electric push rod is turned on, an output end is contracted, a first sieve box enables a second sieve box to rotate to a proper angle around a connecting shaft, and a vibration motor is turned on;
secondly, pouring sand from a feed hopper, pre-screening by a stirring blade, smashing the agglomerated sand, opening a valve box after a period of time to enable the sand to enter a first screen box through a connecting hopper, and screening the sand on the first screen box and a second screen box;
and thirdly, after the screening is finished, pulling the baffle open, cleaning the screened sand out of the box body, then opening the corresponding electric push rod to ensure that the first screen box and the second screen box are V-shaped, rolling the large sand on the first screen box to the second screen box, sliding the large sand into the box body from the second screen box, and cleaning the box body.
The beneficial effects of the invention are:
1. according to the invention, the rotating shaft is driven to rotate by the stepping motor, so that the stirring blades rotate in the feeding barrel, sand is poured from the feeding hopper, agglomerated sand is smashed through pre-screening of the stirring blades, the screening effect of the device is effectively enhanced, meanwhile, the working height of the device is convenient, workers can conveniently feed the material, the physical strength of the workers is saved, and the working efficiency is improved;
2. through multiple screening of sand, the corresponding electric push rod is opened, the output end is contracted, the first screen box enables the second screen box to rotate to a proper angle around the connecting shaft, the vibration motor is simultaneously opened, the valve box is opened, the sand enters the first screen box through the connecting hopper, the sand is screened on the first screen box and the second screen box, the sand is screened for multiple times, the sand screening effect is further enhanced, waste of the sand is effectively prevented, the cost of working time is saved, and the practicability of the device is enhanced;
3. open the electric putter who corresponds for first sieve case and second sieve case are "V" font, and big sand on the first sieve case rolls second sieve case, and in the box of sliding down from second sieve case again, then clear up the box, have reached the clearance of making things convenient for the staff to the grit, reduce the effect of staff to the inside clearance degree of difficulty of device.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.
FIG. 1 is a first perspective view of the present invention;
FIG. 2 is a first schematic perspective cross-sectional view of the present invention;
FIG. 3 is a schematic diagram of a second three-dimensional structure according to the present invention;
FIG. 4 is a third perspective view of the present invention;
FIG. 5 is an enlarged view of a portion A of FIG. 2 according to the present invention.
In the figure: 1. a base plate; 2. a hydraulic column; 3. mounting a plate; 4. a charging barrel; 5. a stepping motor; 6. a feed hopper; 7. a fixed block; 8. a rotating shaft; 9. stirring blades; 10. a valve box; 11. a box body; 12. mounting a plate; 13. an electric push rod; 14. a tension spring; 15. a first sieve box; 16. a connecting shaft; 17. a second sieve box; 18. a vibration motor; 19. a connecting hopper; 20. a bolt; 21. a door panel; 22. and a baffle plate.
Detailed Description
In order to make the objects, features and advantages of the present invention more obvious and understandable, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the embodiments described below are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The technical scheme of the invention is further explained by the specific implementation mode in combination with the attached drawings.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.
Please refer to fig. 1-5, a sand sieving device for building construction, comprising a bottom plate 1, a pre-treatment mechanism with a hydraulic column 2 is arranged on the bottom plate 1, a sieving mechanism with a box body 11 is arranged on the bottom plate 1, the pre-treatment mechanism comprises a hydraulic column 2, a mounting plate 3, a feeding barrel 4, a stepping motor 5 and a feeding hopper 6, the hydraulic column 2 is fixedly connected on the top end surface of the bottom plate 1, the mounting plate 3 is fixedly connected on the top end surface of the hydraulic column 2, the feeding barrel 4 is fixedly connected on the top end surface of the mounting plate 3, the stepping motor 5 is fixedly mounted at one end of the feeding barrel 4, the feeding hopper 6 is fixedly installed at the top of the feeding barrel 4 in a penetrating way, the fixed block 7 is fixedly connected on the top end surface of the mounting plate 3, a rotating shaft 8 is fixedly connected on the output end of the stepping motor 5, a stirring blade 9 is fixedly connected on the rotating shaft 8, and a valve box 10 is fixedly installed at the bottom of the mounting plate 3 in a penetrating way.
Screening mechanism includes box 11, backup pad 12, electric putter 13, extension spring 14 and connecting axle 16, box 11 fixed connection is on bottom plate 1's top face, threaded connection has bolt 20 on the box 11, box 11 has door plant 21 through bolt 20 threaded connection, it has baffle 22 to peg graft on the door plant 21, fixedly connected with backup pad 12 on the top face of box 11, the bottom fixed mounting of backup pad 12 has electric putter 13, fixedly connected with extension spring 14 on electric putter 13's the output, the first sieve case 15 of the bottom fixed connection of extension spring 14, first sieve case 15 rotates through connecting axle 16 and is connected with second sieve case 17, fixed through mounting has vibrating motor 18 on the box 11, the fixed through mounting in top of box 11 has connection fill 19.
Specifically, the number of the hydraulic columns 2 is four, and the four hydraulic columns 2 are distributed between the mounting plate 3 and the bottom plate 1 in a rectangular shape.
Specifically, the number of the electric push rods 13 and the number of the tension springs 14 are four, and the four electric push rods 13 and the two tension springs 14 are a group and are respectively and correspondingly distributed above the first screen box 15 and the second screen box 17.
Specifically, the number of the fixed blocks 7 is two, the fixed blocks 7 are wedge-shaped fixed blocks, and the top ends of the two fixed blocks 7 are fixedly connected to the feeding barrel 4.
Specifically, one end of the first sieve box 15 is located inside the second sieve box 17, and the connecting shaft 16 respectively penetrates through the two side plates of the second sieve box 17 and the first sieve box 15.
Specifically, the output end of the vibration motor 18 is fixedly connected to one end of the first sieve box 15, the number of the vibration motors 18 is two, and the two vibration motors 18 are symmetrically distributed on the box body 11 about the first sieve box 15.
Specifically, the connecting bucket 19 is a hose, the connecting bucket 19 fixedly penetrates through the valve box 10, and the tail end of the connecting bucket 19 is located inside the first sieve box 15.
A use method of a sand screening device for building construction comprises the following steps:
firstly, the device is installed at a specified position, then a power supply of the device is switched on, a control switch of a hydraulic column 2 of the device is switched on, the hydraulic column 2 is adjusted to a proper working height, a control switch of a stepping motor 5 is switched on, the stepping motor 5 drives a rotating shaft 8 to rotate, a stirring blade 9 is enabled to rotate inside a feeding barrel 4, a corresponding electric push rod 13 is switched on, an output end is enabled to contract, a first screen box 15 enables a second screen box 17 to rotate to a proper angle around a connecting shaft 16, and a vibration motor 18 is switched on;
secondly, pouring sand from the feed hopper 6, pre-screening by the stirring blade 9, smashing the caked sand, opening the valve box 10 after a period of time to enable the sand to enter the first screen box 15 through the connecting hopper 19, and screening the sand on the first screen box 15 and the second screen box 17;
and thirdly, after the screening is finished, pulling open the baffle 22, cleaning the screened sand out of the box body 11, then opening the corresponding electric push rod 13 to ensure that the first screen box 15 and the second screen box 17 are V-shaped, rolling the large sand on the first screen box 15 to the second screen box 17, then sliding the large sand from the second screen box 17 into the box body 11, and then cleaning the box body 11.
The electrical components appearing in the present document are all connected externally to a power supply and a control switch when in use, and the related circuits, electronic components and control modules are all prior art, and can be realized completely by those skilled in the art without needless to say, the protection content of the present invention does not relate to the improvement of software and methods.
In the description of the invention, it is to be understood that the terms "center", "middle", "eccentric", "longitudinal", "lateral", "length", "width", "thickness", "height", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate orientations and positional relationships based on the orientations and positional relationships shown in the drawings, and are used merely for convenience of describing the invention and for simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the invention.
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 attributes 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.
The above-mentioned embodiments are only used for illustrating the technical solutions of the present invention, and not for limiting the same; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (8)
1. The utility model provides a screening sand device for construction which characterized in that: the pretreatment device comprises a bottom plate (1), wherein a pretreatment mechanism with a hydraulic column (2) is arranged on the bottom plate (1), a screening mechanism with a box body (11) is arranged on the bottom plate (1), the pretreatment mechanism comprises the hydraulic column (2), a mounting plate (3), a feeding barrel (4), a stepping motor (5) and a feeding hopper (6), the hydraulic column (2) is fixedly connected to the top end face of the bottom plate (1), the mounting plate (3) is fixedly connected to the top end of the hydraulic column (2), the feeding barrel (4) is fixedly connected to the top end face of the mounting plate (3), the stepping motor (5) is fixedly mounted at one end of the feeding barrel (4), the feeding hopper (6) is fixedly installed at the top end face of the feeding barrel (4) in a penetrating mode, a fixing block (7) is fixedly connected to the top end face of the mounting plate (3), a rotating shaft (8) is fixedly connected to the output end of the stepping motor (5), a stirring blade (9) is fixedly connected to the rotating shaft (8), and a valve box (10) is fixedly installed at the bottom of the mounting plate (3) in a penetrating mode;
screening mechanism includes box (11), backup pad (12), electric putter (13), extension spring (14) and connecting axle (16), box (11) fixed connection is on the top face of bottom plate (1), threaded connection has bolt (20) on box (11), box (11) have door plant (21) through bolt (20) threaded connection, it has baffle (22) to peg graft on door plant (21), fixedly connected with backup pad (12) on the top face of box (11), the bottom fixed mounting of backup pad (12) has electric putter (13), fixedly connected with extension spring (14) on the output of electric putter (13), the first sieve case (15) of bottom fixedly connected with of extension spring (14), first sieve case (15) rotate through connecting axle (16) and are connected with second sieve case (17), fixed run through and install vibrating motor (18) on box (11), the top fixed run through of box (11) is installed and is connected with and fight (19).
2. The sand screening device for building construction according to claim 1, wherein: the number of the hydraulic columns (2) is four, and the four hydraulic columns (2) are distributed between the mounting plate (3) and the bottom plate (1) in a rectangular shape.
3. The sand screening device for construction according to claim 1, wherein: the number of the electric push rods (13) and the number of the tension springs (14) are four, and the electric push rods (13) and the tension springs (14) are in a group and are respectively and correspondingly distributed above the first screen box (15) and the second screen box (17).
4. The sand screening device for building construction according to claim 1, wherein: the number of the fixing blocks (7) is two, the fixing blocks (7) are wedge-shaped fixing blocks, and the top ends of the two fixing blocks (7) are fixedly connected to the feeding barrel (4).
5. The sand screening device for building construction according to claim 1, wherein: one end of the first sieve box (15) is positioned in the second sieve box (17), and the connecting shaft (16) respectively and movably penetrates through two side plates of the second sieve box (17) and the first sieve box (15).
6. The sand screening device for building construction according to claim 1, wherein: the output end of the vibration motor (18) is fixedly connected to one end of the first screen box (15), the number of the vibration motors (18) is two, and the two vibration motors (18) are symmetrically distributed on the box body (11) relative to the first screen box (15).
7. The sand screening device for building construction according to claim 1, wherein: the connecting hopper (19) is a hose, the connecting hopper (19) fixedly penetrates through the valve box (10), and the tail end of the connecting hopper (19) is located inside the first screen box (15).
8. The use method of the sand sieving device for building construction according to any one of claims 1 to 7, characterized in that: the using method comprises the following steps:
firstly, the device is installed at a designated position, then the power supply of the device is switched on, a control switch of a hydraulic column (2) of the device is switched on, the hydraulic column (2) is adjusted to a proper working height, a control switch of a stepping motor (5) is switched on, the stepping motor (5) drives a rotating shaft (8) to rotate, a stirring blade (9) rotates in a feeding barrel (4), a corresponding electric push rod (13) is switched on, an output end is contracted, a first sieve box (15) enables a second sieve box (17) to rotate to a proper angle around a connecting shaft (16), and a vibration motor (18) is switched on;
secondly, pouring sand from a feed hopper (6), pre-screening by a stirring blade (9), smashing agglomerated sand, opening a valve box (10) after a period of time to enable the sand to enter a first screen box (15) through a connecting hopper (19), and screening the sand on the first screen box (15) and a second screen box (17);
thirdly, after screening is finished, pulling back the baffle (22), cleaning screened sand out of the box body (11), then opening the corresponding electric push rod (13) to enable the first screen box (15) and the second screen box (17) to be V-shaped, rolling large sand on the first screen box (15) to the second screen box (17), sliding down the second screen box (17) to the box body (11), and then cleaning the box body (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210211479.8A CN114558772B (en) | 2022-03-05 | 2022-03-05 | Sand screening device for building construction and use method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210211479.8A CN114558772B (en) | 2022-03-05 | 2022-03-05 | Sand screening device for building construction and use method |
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| Publication Number | Publication Date |
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| CN114558772A CN114558772A (en) | 2022-05-31 |
| CN114558772B true CN114558772B (en) | 2023-01-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202210211479.8A Active CN114558772B (en) | 2022-03-05 | 2022-03-05 | Sand screening device for building construction and use method |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2700523A1 (en) * | 1993-01-20 | 1994-07-22 | Bingler Albert | Hopper for loading aggregates. |
| CN108296003A (en) * | 2018-02-05 | 2018-07-20 | 励根士 | A kind of white cement processing unit (plant) with ash removing mechanism |
| CN108405315A (en) * | 2018-04-25 | 2018-08-17 | 新乡市东振机械制造有限公司 | A kind of novel linear sieve |
| CN211026545U (en) * | 2019-08-17 | 2020-07-17 | 秦皇岛云顶房地产开发有限公司 | Multifunctional sand screening device for building |
| CN211100099U (en) * | 2019-09-27 | 2020-07-28 | 重庆聚钡混凝土有限公司 | Sand and stone separating device for concrete |
| CN213161868U (en) * | 2020-06-11 | 2021-05-11 | 安进 | Make things convenient for building screening sand device of unloading |
| CN214320904U (en) * | 2020-12-30 | 2021-10-01 | 沈阳乾玖建材材料有限公司 | Screening plant is used in mortar production |
-
2022
- 2022-03-05 CN CN202210211479.8A patent/CN114558772B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2700523A1 (en) * | 1993-01-20 | 1994-07-22 | Bingler Albert | Hopper for loading aggregates. |
| CN108296003A (en) * | 2018-02-05 | 2018-07-20 | 励根士 | A kind of white cement processing unit (plant) with ash removing mechanism |
| CN108405315A (en) * | 2018-04-25 | 2018-08-17 | 新乡市东振机械制造有限公司 | A kind of novel linear sieve |
| CN211026545U (en) * | 2019-08-17 | 2020-07-17 | 秦皇岛云顶房地产开发有限公司 | Multifunctional sand screening device for building |
| CN211100099U (en) * | 2019-09-27 | 2020-07-28 | 重庆聚钡混凝土有限公司 | Sand and stone separating device for concrete |
| CN213161868U (en) * | 2020-06-11 | 2021-05-11 | 安进 | Make things convenient for building screening sand device of unloading |
| CN214320904U (en) * | 2020-12-30 | 2021-10-01 | 沈阳乾玖建材材料有限公司 | Screening plant is used in mortar production |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114558772A (en) | 2022-05-31 |
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