CN108339731B - Self-lifting sand and stone sorting device for concrete - Google Patents
Self-lifting sand and stone sorting device for concrete Download PDFInfo
- Publication number
- CN108339731B CN108339731B CN201810137056.XA CN201810137056A CN108339731B CN 108339731 B CN108339731 B CN 108339731B CN 201810137056 A CN201810137056 A CN 201810137056A CN 108339731 B CN108339731 B CN 108339731B
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- Prior art keywords
- lifting
- bevel gear
- fixedly connected
- barrel
- sand
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 239000004576 sand Substances 0.000 title claims abstract description 41
- 239000004575 stone Substances 0.000 title claims abstract description 26
- 239000004567 concrete Substances 0.000 title claims abstract description 17
- 239000000463 material Substances 0.000 claims abstract description 37
- 230000005540 biological transmission Effects 0.000 claims description 10
- 238000005096 rolling process Methods 0.000 claims description 6
- 238000000926 separation method Methods 0.000 claims description 3
- 230000032258 transport Effects 0.000 abstract description 4
- 235000017166 Bambusa arundinacea Nutrition 0.000 abstract description 2
- 235000017491 Bambusa tulda Nutrition 0.000 abstract description 2
- 241001330002 Bambuseae Species 0.000 abstract description 2
- 235000015334 Phyllostachys viridis Nutrition 0.000 abstract description 2
- 239000011425 bamboo Substances 0.000 abstract description 2
- 238000010276 construction Methods 0.000 description 4
- 239000002245 particle Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 208000037805 labour Diseases 0.000 description 2
- 238000012216 screening Methods 0.000 description 2
- 241000196324 Embryophyta Species 0.000 description 1
- 239000002969 artificial stone Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004566 building material Substances 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 239000010453 quartz Substances 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 239000013049 sediment Substances 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
Classifications
-
- 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
- B07B1/04—Stationary flat 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
-
- 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
- B07B1/4609—Constructional details of screens in general; Cleaning or heating of screens constructional details of screening surfaces or meshes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G33/00—Screw or rotary spiral conveyors
- B65G33/08—Screw or rotary spiral conveyors for fluent solid materials
- B65G33/14—Screw or rotary spiral conveyors for fluent solid materials comprising a screw or screws enclosed in a tubular housing
Landscapes
- Combined Means For Separation Of Solids (AREA)
Abstract
The invention discloses a self-lifting type sand and stone sorting device for concrete, wherein the upper end of a storage barrel is communicated with a feeding port, a lifting barrel is arranged on the right side of the storage barrel, a spiral lifting roller is rotationally connected in the lifting barrel, the bottom of the lifting barrel is mutually communicated with the bottom of the storage barrel, and the lower end of the spiral lifting roller is rotationally connected with a driving motor; the upper part of the lifting barrel is provided with a material guide pipe, the material guide pipe is communicated with the interior of the device body, the top end of the spiral lifting roller is fixedly connected with a first bevel gear, a second bevel gear is fixedly connected with the left end of the driven shaft, and the right end of the driven shaft is fixedly connected with another second bevel gear. The device rotates through spiral lift material roller and upwards transports the gravel and sand that will promote barrel head portion, and pivoted spiral lift material roller drives first bevel gear and rotates and then drive left side second bevel gear and drive the driven shaft and follow the rotation and drive lower extreme band pulley and brush a section of thick bamboo and rotate, and the pivoted gravel and sand bucket is constantly upwards thrown the gravel and sand of bottom for gravel and sand fully screen on the sieve, promote the gravel and sand through spiral lift material roller and save the labour, accelerate work efficiency.
Description
Technical Field
The invention relates to construction machinery, in particular to a self-lifting type sand and stone sorting device for concrete.
Background
Along with the rapid development of the construction industry in China, the high requirement on the automation degree of the construction machinery is higher and higher, and the project progress is accelerated by improving the automation degree of the construction machinery. Building sand is most common in building materials. The building sand and stone uses quartz particles as main materials, and includes a small amount of detritus and argillaceous debris sediments formed by rivers, lakes and seas and hard and undenerated artificial mechanical broken materials of rocks, and is used as concrete aggregate concrete, and is artificial stone materials formed by mixing and hardening cement, water, sand and coarse aggregate pebbles, and the like.
Present building gravel and sand screening plant moves through the manpower sieve mostly, and degree of automation is very low, consumes a large amount of labours, is unfavorable for improving work efficiency and engineering progress.
Disclosure of Invention
The invention aims to provide a self-lifting type sand and stone sorting device for concrete, which solves the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme:
a self-lifting type sand and stone sorting device for concrete comprises a device body, a storage barrel, a lifting barrel, a driving motor, a driving belt, a sieve plate and a material receiving plate, wherein the storage barrel is arranged at the left end of the device body, the upper end of the storage barrel is communicated with a material feeding port, the lifting barrel is arranged at the right side of the storage barrel, a spiral material lifting roller is rotatably connected in the lifting barrel, the bottom of the lifting barrel is mutually communicated with the bottom of the storage barrel, and the lower end of the spiral material lifting roller is rotatably connected with the driving motor; the upper part of the lifting barrel is provided with a material guide pipe, the material guide pipe is communicated with the interior of the device body, the top end of the spiral lifting roller is fixedly connected with a first bevel gear, the first bevel gear is meshed with a second bevel gear, the second bevel gear is fixedly connected with the left end of a driven shaft, and the right end of the driven shaft is fixedly connected with another second bevel gear; a third bevel gear is arranged at the right end of the driven shaft and is meshed with a second bevel gear on the right side, the front end of the third bevel gear is fixedly connected with a belt wheel, and the third bevel gear and the belt wheel are both rotatably connected with the right side of the upper end of the device body; the surface of the belt wheel is connected with the upper part of the transmission belt in a rolling way, the lower part of the transmission belt is connected with the other belt wheel in a rolling way, the lower belt wheel is fixedly connected with the front end of the brush drum, and the brush drum and the lower belt wheel are both rotationally connected with the side wall of the device body; the lower part of the brush cylinder is attached to an inclined guide plate which is fixedly connected with the inner wall of the device body, the right side of the inclined guide plate is rotatably connected with a sieve plate, the lower end of the middle part of the sieve plate is rotatably connected with the upper end of a connecting rod, and the lower end of the connecting rod is rotatably connected with a sleeve block; the set block is in threaded connection with the threaded rod, the threaded rod bearing rotates the connecting device body, the left side of the set block is in sliding connection with the guide rail, and the guide rail is fixedly connected with the lower end of the inner wall of the connecting device body.
As a further scheme of the invention: the lower end of the sieve plate is provided with a receiving disc, the lower end of the receiving disc is communicated with the discharge hole, and the receiving disc is fixedly connected with the bottom of the device body.
As a still further scheme of the invention: the lower end of the threaded rod is fixedly connected with the rotating wheel.
As a still further scheme of the invention: a plurality of circular sieve pores are uniformly distributed on the surface of the sieve plate.
As a still further scheme of the invention: the driving motor is electrically connected with the power supply and the switch.
As a still further scheme of the invention: the two sides of the lower end of the device body are respectively fixedly connected with supporting legs.
As a still further scheme of the invention: the upper end of a loop bar is sleeved on two sides of the driven shaft respectively, and the lower end of the loop bar is fixedly connected with the device body.
Compared with the prior art, the invention has the beneficial effects that: the device rotates through spiral lift material roller and upwards transports the gravel and sand that will promote barrel head portion, and pivoted spiral lift material roller drives first bevel gear and rotates and then drive left side second bevel gear and drive the driven shaft and follow the rotation and drive lower extreme band pulley and brush a section of thick bamboo and rotate, and the pivoted gravel and sand bucket is constantly upwards thrown the gravel and sand of bottom for gravel and sand fully screen on the sieve, promote the gravel and sand through spiral lift material roller and save the labour, accelerate work efficiency.
Drawings
Fig. 1 is a schematic structural view of a self-lifting type sand sorting device for concrete.
Fig. 2 is a plan view of a brush drum and a pulley in the self-lifting type sand sorting apparatus for concrete.
Fig. 3 is a top view of a screen plate in a self-elevating sand sorting apparatus for concrete.
In the figure: 1-the device body; 2, a material storage barrel; 3-feeding port; 4-lifting the barrel; 5-spiral lifting roller; 6-driving a motor; 7-a support leg; 8-a first bevel gear; 9-a second bevel gear; 10-a driven shaft; 11-a third bevel gear; 12-a material guide pipe; 13-a loop bar; 14-a pulley; 15-a transmission belt; 16-a brush cylinder; 17-an inclined guide plate; 18-sieve plate; 19-a connecting rod; 20-a nest block; 21-a threaded rod; 22-a guide rail; 23-a wheel; 24-a take-up pan; 25-discharge port.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments 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.
Referring to fig. 1 to 3, in the embodiment of the present invention, a self-lifting type sand and stone sorting apparatus for concrete includes an apparatus body 1, a storage tank 2, a lifting tank 4, a driving motor 6, a transmission belt 15, a sieve plate 18 and a receiving tray 24; the device comprises a device body 1, wherein a storage barrel 2 is arranged at the left end of the device body 1, the upper end of the storage barrel 2 is communicated with a feeding hole 3, a lifting barrel 4 is arranged at the right side of the storage barrel 2, a spiral lifting roller 5 is rotatably connected in the lifting barrel 4, the bottom of the lifting barrel 4 is communicated with the bottom of the storage barrel 2, the lower end of the spiral lifting roller 5 is rotatably connected with a driving motor 6, the driving motor 6 is electrically connected with a power supply and a switch, and the switch is turned on to enable the driving motor 6 to work to drive the spiral lifting roller 5 to rotate so as to transport sand and stones; the two sides of the lower end of the device body 1 are fixedly connected with supporting legs 7 respectively, the upper part of the lifting barrel 4 is provided with a material guide pipe 12, the material guide pipe 12 is communicated with the inside of the device body 1, the top end of the spiral material lifting roller 5 is fixedly connected with a first bevel gear 8, the first bevel gear 8 is meshed with a second bevel gear 9, the second bevel gear 9 is fixedly connected with the left end of a driven shaft 10, the right end of the driven shaft 10 is fixedly connected with another second bevel gear 9, the two sides of the driven shaft 10 are sleeved with the upper end of a sleeve rod 13 respectively, the lower end of the sleeve rod 13 is fixedly connected with the device body 1, and the rotating spiral material lifting roller; the right end of the driven shaft 10 is provided with a third bevel gear 11, the third bevel gear 11 is meshed with a right second bevel gear 9, the front end of the third bevel gear 11 is fixedly connected with a belt wheel 14, the third bevel gear 11 and the belt wheel 14 are both rotatably connected with the right end of the body 1, and the driven shaft 10 rotates to drive the right second bevel gear 9 to rotate so as to drive the third bevel gear 11 and the belt wheel 14 to rotate.
The surface of the belt wheel 14 is connected with the upper part of a transmission belt 15 in a rolling way, the lower part of the transmission belt 15 is connected with another belt wheel 15 in a rolling way, the lower belt wheel 15 is fixedly connected with the front end of a brush drum 16, the brush drum 16 and the lower belt wheel 15 are both rotatably connected with the side wall of the device body 1, and the rotating upper belt wheel 14 drives the transmission belt 15 to roll so as to drive the lower belt wheel and the brush drum 16 to rotate along with the; the lower part of the brush barrel 16 is attached to an inclined guide plate 17, the inclined guide plate 17 is fixedly connected with the inner wall of the device body 1, the right side of the inclined guide plate 17 is rotatably connected with a sieve plate 18, a plurality of circular sieve holes are uniformly distributed on the surface of the sieve plate 18, the lower end of the middle part of the sieve plate 18 is rotatably connected with the upper end of a connecting rod 19, and the lower end of the connecting rod 19 is rotatably connected with a sleeve; the sleeve block 20 is connected with a threaded rod 21 in a threaded manner, the threaded rod 21 is connected with the device body 1 in a bearing rotating manner, the left side of the sleeve block 20 is connected with a guide rail 22 in a sliding manner, the guide rail 22 is fixedly connected with the lower end of the inner wall of the device body 1, the lower end of the threaded rod 21 is fixedly connected with a rotating wheel 23, sand and stone which are transported upwards by the spiral material lifting roller 5 are discharged into the upper end of the device body 1 through the material guide pipe 12 and fall onto the inclined guide plate 17, the sand and stone are filtered and sorted through the sieve plate 18, and the sand and stone at the bottom are continuously thrown upwards by the rotating sand bucket 16; the 18 lower extreme of sieve sets up take-up (stock) pan 24, the 24 lower extreme of take-up (stock) pan communicates discharge gate 25, and 1 bottom of take-up (stock) pan 24 fixed connection device body, the gravel and sand after the screening drops and discharges through discharge gate 25 on take-up (stock) pan 24, after sorting, the great stone of particle diameter stays on sieve 18, it drives threaded rod 21 and rotates and then drive sleeve block 20 downstream to rotate runner 23 this moment, sleeve block 20 drives connecting rod 19 drive sieve 18 and rotates and open, the big stone on the sieve 18 drops and discharges on take-up (stock) pan 24, reach gravel and sand sorting effect.
The working principle of the invention is as follows: the switch is turned on to drive the driving motor 6 to work by electrifying to drive the spiral material lifting roller 5 to rotate so as to transport the sand and stones at the bottom of the lifting barrel 4 upwards, the rotating spiral material lifting roller 5 drives the first bevel gear 8 to rotate so as to drive the left second bevel gear 9 to drive the driven shaft 10 to rotate, the rotating driven shaft 10 drives the right second bevel gear 9 to rotate so as to drive the third bevel gear 11 and the belt pulley 14 to rotate, the rotating upper end belt pulley 14 drives the transmission belt 15 to roll so as to drive the lower end belt pulley and the brush barrel 16 to rotate, the sand and stones transported upwards by the spiral material lifting roller 5 are discharged into the upper end of the device body 1 through the material guide pipe 12 to fall on the inclined guide plate 17, the sand and stones are filtered and sorted through the sieve plate 18, the rotating sand and stone barrel 16 continuously throws the sand and stones at the bottom upwards so that the sand and stones are sufficiently screened on the sieve plate 18, after the separation is finished, stones with larger particle sizes are left on the sieve plate 18, the rotating wheel 23 is rotated to drive the threaded rod 21 to rotate, the sleeve block 20 is driven to move downwards, the sleeve block 20 drives the connecting rod 19 to drive the sieve plate 18 to rotate and open, the large stones on the sieve plate 18 fall on the material receiving disc 24 to be discharged, and the sand and stone separation effect is achieved.
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.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (5)
1. A self-lifting type sand and stone sorting device for concrete comprises a device body (1), a storage barrel (2), a lifting barrel (4), a driving motor (6), a driving belt (15), a sieve plate (18) and a material receiving plate (24), and is characterized in that the storage barrel (2) is arranged at the left end of the device body (1), a material adding opening (3) is communicated with the upper end of the storage barrel (2), the lifting barrel (4) is arranged at the right side of the storage barrel (2), a spiral material lifting roller (5) is rotatably connected in the lifting barrel (4), the bottom of the lifting barrel (4) is mutually communicated with the bottom of the storage barrel (2), and the lower end of the spiral material lifting roller (5) is rotatably connected with the driving motor (6); a material guide pipe (12) is arranged at the upper part of the lifting barrel (4), the material guide pipe (12) is communicated with the interior of the device body (1), the top end of the spiral material lifting roller (5) is fixedly connected with a first bevel gear (8), the first bevel gear (8) is meshed with a second bevel gear (9), the second bevel gear (9) is fixedly connected with the left end of a driven shaft (10), and the right end of the driven shaft (10) is fixedly connected with another second bevel gear (9); a third bevel gear (11) is arranged at the right end of the driven shaft (10), the third bevel gear (11) is meshed with a right second bevel gear (9), a belt wheel (14) is fixedly connected to the front end of the third bevel gear (11), and the third bevel gear (11) and the belt wheel (14) are rotatably connected to the right side of the upper end of the device body (1); the surface of the belt wheel (14) is connected with the upper part of a transmission belt (15) in a rolling way, the lower part of the transmission belt (15) is connected with another belt wheel (14) in a rolling way, the lower belt wheel (14) is fixedly connected with the front end of a brush drum (16), and the brush drum (16) and the lower belt wheel (14) are rotationally connected with the side wall of the device body (1); the lower part of the brush barrel (16) is attached to an inclined guide plate (17), the inclined guide plate (17) is fixedly connected with the inner wall of the device body (1), the right side of the inclined guide plate (17) is rotatably connected with a sieve plate (18), the lower end of the middle part of the sieve plate (18) is rotatably connected with the upper end of a connecting rod (19), and the lower end of the connecting rod (19) is rotatably connected with a sleeve block (20); the sleeve block (20) is in threaded connection with a threaded rod (21), the threaded rod (21) is in bearing rotation connection with the device body (1), the left side of the sleeve block (20) is in sliding connection with a guide rail (22), and the guide rail (22) is fixedly connected with the lower end of the inner wall of the device body (1);
the lower end of the sieve plate (18) is provided with a receiving disc (24), the lower end of the receiving disc (24) is communicated with a discharge hole (25), the receiving disc (24) is fixedly connected with the bottom of the device body (1), and the lower end of the threaded rod (21) is fixedly connected with the rotating wheel (23).
2. A self-elevating sand and stone separating apparatus for concrete according to claim 1 wherein a plurality of circular holes are uniformly distributed on the surface of the screen plate (18).
3. A self-lifting gravel separator for concrete according to claim 1, wherein the driving motor (6) is electrically connected to a power supply and a switch.
4. The self-lifting gravel separator for concrete according to claim 1, wherein legs (7) are fixedly connected to both sides of the lower end of the separator body (1).
5. The self-lifting sand and stone separation device for concrete according to claim 1, wherein the upper ends of the loop bars (13) are sleeved on two sides of the driven shaft (10), and the lower ends of the loop bars (13) are fixedly connected with the device body (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810137056.XA CN108339731B (en) | 2018-02-10 | 2018-02-10 | Self-lifting sand and stone sorting device for concrete |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810137056.XA CN108339731B (en) | 2018-02-10 | 2018-02-10 | Self-lifting sand and stone sorting device for concrete |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108339731A CN108339731A (en) | 2018-07-31 |
| CN108339731B true CN108339731B (en) | 2020-08-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810137056.XA Expired - Fee Related CN108339731B (en) | 2018-02-10 | 2018-02-10 | Self-lifting sand and stone sorting device for concrete |
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| CN (1) | CN108339731B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109453994B (en) * | 2018-09-20 | 2020-08-21 | 山东隆源橡胶有限公司 | Feeding equipment used in rubber production process |
| CN109531926A (en) * | 2018-12-24 | 2019-03-29 | 佛山市张略包装材料有限公司 | A kind of intermittent automatic feeding system |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201154322Y (en) * | 2008-02-18 | 2008-11-26 | 国投新疆罗布泊钾盐有限责任公司 | Throwing material type crushing vibration screening machine |
| CN206676711U (en) * | 2016-12-30 | 2017-11-28 | 贵州宇昆商砼技术服务有限公司 | One kind building sand screening plant |
| CN206731504U (en) * | 2017-03-25 | 2017-12-12 | 赣州市淳乡情农业开发有限公司 | A kind of processing of farm products walnut multi-stage screening apparatus |
| CN106975601B (en) * | 2017-04-19 | 2019-05-17 | 江苏苏南建筑安装工程有限公司 | A kind of sand high frequency zone equipment for building |
| CN106964552B (en) * | 2017-04-26 | 2019-05-10 | 郑州三和水工机械有限公司 | Interval throwing type feed separation method and device |
| CN107413614A (en) * | 2017-08-10 | 2017-12-01 | 安陆市昌明粮食机械有限公司 | A kind of automatically feed grain and oil processing screening plant |
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2018
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| CN108339731A (en) | 2018-07-31 |
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Effective date of registration: 20200714 Address after: Tangyao village, Yuxi Town, Daxiang district, Shaoyang City, Hunan Province, 422000 Applicant after: Hunan Aerospace Wangcai new building materials Co.,Ltd. Address before: 266000, No. 3, building 28, building 417, 601 Yang Xing Road, Chengyang District, Shandong, Qingdao Applicant before: Chen Yunyan |
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