CN111940287A - Screening gravel and sand equipment is used in building site construction - Google Patents
Screening gravel and sand equipment is used in building site construction Download PDFInfo
- Publication number
- CN111940287A CN111940287A CN202010799637.7A CN202010799637A CN111940287A CN 111940287 A CN111940287 A CN 111940287A CN 202010799637 A CN202010799637 A CN 202010799637A CN 111940287 A CN111940287 A CN 111940287A
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- CN
- China
- Prior art keywords
- screening
- sand
- plate
- gravel
- gear
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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.)
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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
- B07B1/28—Moving screens not otherwise provided for, e.g. swinging, reciprocating, rocking, tilting or wobbling screens
- B07B1/30—Moving screens not otherwise provided for, e.g. swinging, reciprocating, rocking, tilting or wobbling screens jigging or moving to-and-fro within their own plane in or approximately in or transverse to the direction of conveyance
-
- 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
- B07B1/18—Drum screens
- B07B1/22—Revolving drums
-
- 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
Abstract
The invention relates to sand and stone screening equipment, in particular to sand and stone screening equipment for construction of a building site. Provides a sand and stone screening device for construction site construction, which can collect stones and carry out secondary screening. The utility model provides a building site construction is with screening gravel and sand equipment, including: the frame is used for mounting the whole device; the screening assembly is arranged on the rack and screens in a sliding mode; the blanking assembly is arranged on the rack and carries out blanking in a sliding mode; and the driving assembly is arranged on the blanking assembly and used for providing power to rotate. Compared with the prior art, the invention has the following advantages: through box and otter board cooperation, can carry out first screening to gravel and sand, can alleviate the impact that gravel and sand fell moreover, prevent effectively that equipment from being damaged by gravel and sand, through a screening section of thick bamboo and the cooperation of lower flitch, can unify the collection processing to the sand of screening out fast.
Description
Technical Field
The invention relates to sand and stone screening equipment, in particular to sand and stone screening equipment for construction of a building site.
Background
The building construction refers to production activities in the engineering construction implementation stage, is the construction process of various buildings, and also can be a process of changing various lines on a design drawing into a real object at a specified place. The method comprises foundation engineering construction, main structure construction, roofing engineering construction, decoration engineering construction and the like. The construction site is called a construction site or a construction site, and is also called a construction site, and before construction of the construction site, sand and stones need to be screened and separated.
Patent No. CN108296160B discloses a building site is with quick screening gravel and sand device. The invention aims to provide a rapid sand and stone screening device for a construction site, which is convenient to use. In order to solve the technical problems, the invention provides a quick sand and stone screening device for a construction site, which comprises a base, a first slide rail, a first slide block, a support plate, a support rod, a first screen, a second screen, a slide plate, a first connecting rod, a first fixing plate, a first motor and the like; the base is fixedly connected with a first slide rail, the first slide rail is connected with two first slide blocks in a sliding mode, the two first slide blocks are fixedly connected with a support plate, and the support plate is fixedly connected with support rods in a bilateral symmetry mode. The sand and stone screening device disclosed by the invention realizes the function of screening sand and stone, not only realizes the function of rapidly screening sand and stone, but also realizes the function of transmitting sand and stone, and the mode can be used for screening sand and stone, but cannot uniformly collect the screened stones and cannot perform secondary screening treatment on the sand and stone, so that the working efficiency is lower.
Therefore, the development of a sand and stone screening device for construction site construction, which can collect and perform secondary screening on stones, is urgently needed.
Disclosure of Invention
In order to overcome the defects that the screened stones cannot be collected uniformly and the secondary screening treatment cannot be carried out on the sand in the existing sand screening mode, the invention has the technical problems that: provides a sand and stone screening device for construction site construction, which can collect stones and carry out secondary screening.
The technical scheme is as follows: the utility model provides a building site construction is with screening gravel and sand equipment, including: the frame is used for mounting the whole device; the screening assembly is arranged on the rack and screens in a sliding mode; the blanking assembly is arranged on the rack and carries out blanking in a sliding mode; and the driving assembly is arranged on the blanking assembly and used for providing power to rotate.
Furthermore, it is particularly preferred that the screening assembly comprises: the two slide rails are arranged on the rack; the box body is arranged between the slide rails in a sliding manner; the telescopic rod is arranged on the box body; the screen plate is arranged on the telescopic part of the telescopic rod and matched with the box body; the first spring is connected between the telescopic rod and the screen plate; the inclined plate is arranged on the screen plate and matched with the box body.
Furthermore, it is particularly preferred that the blanking assembly comprises: the mounting plate is mounted on the rack; the screening cylinder is rotatably arranged on the mounting plate; the hollow circular ring is arranged on the mounting plate; the blanking plate is arranged on the mounting plate; the baffle is installed on the flitch down, and the baffle has two.
Furthermore, it is particularly preferred that the drive assembly comprises: the speed reducing motor is arranged on the mounting plate; the rotating rod is arranged on an output shaft of the speed reducing motor; the first gear is arranged on the rotating rod; and the second gear is arranged on the screening drum and is meshed with the first gear.
Further, it is particularly preferable that: the lower material plate is provided with a through hole, the connecting rod is arranged in the through hole in a sliding mode, and the connecting rod is connected with the box body; the pushing block is arranged on the screening cylinder and matched with the connecting rod; and the second spring is connected between the blanking plate and the connecting rod.
Further, it is particularly preferable that: the circular plate is rotatably arranged on the hollow circular ring, and holes are formed in the circular plate; a third gear installed on the circular plate; and the rack is arranged on the box body and meshed with the third gear.
Compared with the prior art, the invention has the following advantages: through box and otter board cooperation, can carry out first screening to gravel and sand, and can alleviate the impact that gravel and sand fell, effectively prevent that equipment from being damaged by gravel and sand, through a screening cylinder and lower flitch cooperation, the sand that can sieve out fast is unified and is collected the processing, through first gear and second gear cooperation, can provide sufficient power for gravel and sand screening, through connecting rod and ejector pad cooperation, can drive the box automatically and slide around going on, need not artifical manual push-and-pull, through third gear and rack cooperation, can prevent that gravel and sand from falling too fast, the effect that leads to gravel and sand screening is not good.
Drawings
Fig. 1 is a schematic perspective view of a first embodiment of the present invention.
Fig. 2 is a schematic perspective view of a second embodiment of the present invention.
FIG. 3 is a schematic view of a first partial body structure according to the present invention.
FIG. 4 is a schematic view of a second partial body structure according to the present invention.
In the above drawings: 1: a frame, 2: slide rail, 3: a box body, 4: telescopic rod, 5: mesh plate, 6: first spring, 7: swash plate, 8: mounting plate, 9: screening cartridge, 10: hollow ring, 11: blanking plate, 12: baffle, 13: gear motor, 14: turning rod, 15: first gear, 16: second gear, 17: through hole, 18: connecting rod, 181: push block, 19: second spring, 20: circular plate, 21: holes, 22: third gear, 23: a rack.
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.
Example 1
The utility model provides a building site construction is with screening gravel and sand equipment, as shown in fig. 1-4, including frame 1, screening subassembly, unloading subassembly and drive assembly, frame 1 is used for installing whole device, and frame 1 right side is equipped with the screening subassembly that screens through the slip mode, and frame 1 left side is equipped with the unloading subassembly that carries out the unloading through the slip mode, and unloading subassembly front side is equipped with and is used for providing power and carries out rotatory drive assembly.
As shown in fig. 1-3, the screening subassembly is including slide rail 2, box 3, telescopic link 4, otter board 5, first spring 6 and swash plate 7, there are two slide rails 2 at 1 top in the frame through the screw rigid coupling, the slidingtype is equipped with box 3 between the slide rail 2, 3 inboard central point of box puts and has telescopic link 4 through the bolt rigid coupling, be equipped with otter board 5 on the extensible part of telescopic link 4, otter board 5 and box 3 cooperation, be connected with first spring 6 between telescopic link 4 and the otter board 5, there is swash plate 7 at otter board 5 bottom through the screw rigid coupling, swash plate 7 and box 3 cooperation.
As shown in fig. 1, 2 and 4, the blanking assembly comprises an installation plate 8, a screening cylinder 9, a hollow circular ring 10, a blanking plate 11 and baffle plates 12, the left part of the rack 1 is fixedly connected with the installation plate 8 through bolts, the upper part of the installation plate 8 is rotatably provided with the screening cylinder 9, the right side of the installation plate 8 is fixedly connected with the hollow circular ring 10 through bolts, the lower part of the installation plate 8 is fixedly connected with the blanking plate 11 through bolts, and the top of the blanking plate 11 is fixedly connected with two baffle plates 12 through screws.
As shown in fig. 1 and 3, the driving assembly includes a speed reduction motor 13, a rotating rod 14, a first gear 15 and a second gear 16, the speed reduction motor 13 is fixedly connected to the middle of the front side surface of the mounting plate 8 through bolts, the rotating rod 14 is arranged on an output shaft of the speed reduction motor 13, the first gear 15 is arranged on the right portion of the rotating rod 14, the second gear 16 is arranged on the right portion of the screening cylinder 9, and the second gear 16 is meshed with the first gear 15.
When needs are screened gravel and sand, start drive assembly and carry out work, simultaneously, gravel and sand carries out the unloading through the unloading subassembly and carries out a screening, when the gravel and sand that will filter once falls into on the screening subassembly, the staff promotes the screening subassembly back-and-forth movement and carries out the secondary screening, after finishing screening all gravel and sand, close drive assembly can.
When gravel falls onto the screen plate 5, the screen plate 5 moves downwards under the action of gravity of the gravel, the telescopic rod 4 is shortened, the first spring 6 is compressed, the inclined plate 7 is driven to move downwards, then the worker pushes and pulls the box body 3 to slide back and forth, the telescopic rod 4 and the upper device are driven to move back and forth, and then the screen plate 5 is driven to move back and forth to carry out secondary screening on the gravel, and simultaneously, sand falls onto the inclined plate 7 through the screen plate 5, after screening the gravel on the screen plate 5 is finished, the telescopic rod 4 is driven to extend under the action of the first spring 6 to reset, thereby driving the screen plate 5 to move upwards to reset, driving the inclined plate 7 to move upwards to reset, so secondary screening can be carried out on the gravel, the impact of falling gravel can be reduced, and the equipment is effectively prevented from being.
When the driving assembly works, the screening cylinder 9 is driven to rotate, and meanwhile, sand and stones slide downwards through the screening cylinder 9, so that the sand falls onto the blanking plate 11, the sand is prevented from being ejected everywhere through the action of the baffle 12, when the driving assembly stops working, the screening cylinder 9 stops rotating, and therefore the screened sand can be collected and processed in a unified mode.
When needs filter the gravel and sand, start gear motor 13 and rotate, drive bull stick 14 and rotate, and then drive first gear 15 and rotate, drive second gear 16 and rotate, finish the back to all gravel and sand screening, it can to close gear motor 13, so, can provide sufficient power for the gravel and sand screening.
Example 2
On the basis of embodiment 1, as shown in fig. 1, 2 and 4, the screening device further comprises a connecting rod 18, a pushing block 181 and a second spring 19, a through hole 17 is formed in the rear side of the left portion of the blanking plate 11, the connecting rod 18 is arranged in the through hole 17 in a sliding manner, the connecting rod 18 is connected with the box body 3, the pushing block 181 is welded to the left portion of the screening cylinder 9, the pushing block 181 is matched with the connecting rod 18, and the second spring 19 is connected between the blanking plate 11 and the connecting rod 18.
As shown in fig. 1-3, as shown in fig. 1 and 4, the hollow circular ring 10 further includes a circular plate 20, a third gear 22 and a rack 23, the circular plate 20 is rotatably disposed on the right side of the hollow circular ring 10, a hole 21 is formed on the circular plate 20, the third gear 22 is disposed on the right side of the circular plate 20, the rack 23 is welded to the rear side of the top of the box 3, and the rack 23 is engaged with the third gear 22.
When the screening cylinder 9 rotates, the push block 181 is driven to rotate, when the push block 181 contacts the connecting rod 18, the connecting rod 18 is pushed to slide backwards, the box body 3 is driven to slide backwards, the second spring 19 is compressed, and when the push block 181 is separated from the connecting rod 18, the connecting rod 18 is driven to move forwards under the action of the second spring 19 to reset, so that the box body 3 can be automatically driven to slide forwards and backwards, and manual pushing and pulling are not needed.
When box 3 slides around, drive rack 23 back-and-forth movement, and then drive third gear 22 and rotate, drive plectane 20 and rotate, when hole 21 rotated to the downside, the stone in the screen cylinder 9 passed through the hole 21 landing and comes out, so, can prevent that gravel and sand whereabouts too fast, lead to the effect of gravel and sand screening not good.
It should be understood that this example is only for illustrating the present invention and is not intended to limit the scope of the present invention. Further, it should be understood that various changes or modifications of the present invention may be made by those skilled in the art after reading the teaching of the present invention, and such equivalents may fall within the scope of the present invention as defined in the appended claims.
Claims (6)
1. The utility model provides a building site construction is with screening gravel and sand equipment, characterized by, including:
a frame (1) for mounting the entire device;
the screening assembly is arranged on the rack (1) and screens in a sliding mode;
the blanking assembly is arranged on the rack (1) and carries out blanking in a sliding mode;
and the driving assembly is arranged on the blanking assembly and used for providing power to rotate.
2. The apparatus for screening gravel and sand for construction at a construction site as set forth in claim 1, wherein the screening module comprises:
the two sliding rails (2) are arranged on the rack (1), and the number of the sliding rails (2) is two;
the box body (3) is arranged between the slide rails (2) in a sliding way;
the telescopic rod (4) is arranged on the box body (3);
the screen plate (5) is arranged on the telescopic part of the telescopic rod (4), and the screen plate (5) is matched with the box body (3);
the first spring (6) is connected between the telescopic rod (4) and the screen plate (5);
the inclined plate (7) is arranged on the screen plate (5), and the inclined plate (7) is matched with the box body (3).
3. The apparatus for screening sand and stone for construction site according to claim 2, wherein the discharging member comprises:
the mounting plate (8) is mounted on the rack (1);
the screening cylinder (9) is rotatably arranged on the mounting plate (8);
the hollow circular ring (10) is arranged on the mounting plate (8);
the blanking plate (11) is arranged on the mounting plate (8);
the baffle plates (12) are arranged on the blanking plate (11), and the number of the baffle plates (12) is two.
4. A screening apparatus for gravel and sand for construction at a construction site as set forth in claim 3, wherein the driving unit comprises:
the speed reducing motor (13) is arranged on the mounting plate (8);
a rotating rod (14) which is arranged on an output shaft of the speed reducing motor (13);
a first gear (15) mounted on the rotating rod (14);
and the second gear (16) is arranged on the screening drum (9), and the second gear (16) is meshed with the first gear (15).
5. The apparatus for screening sand and stone for construction site according to claim 4, further comprising:
the blanking plate (11) is provided with a through hole (17), the connecting rod (18) is arranged in the through hole (17) in a sliding mode, and the connecting rod (18) is connected with the box body (3);
the push block (181) is arranged on the screening drum (9), and the push block (181) is matched with the connecting rod (18);
and the second spring (19) is connected between the blanking plate (11) and the connecting rod (18).
6. The apparatus for screening sand and stone for construction site according to claim 5, further comprising:
the circular plate (20) is rotatably arranged on the hollow circular ring (10), and the circular plate (20) is provided with a hole (21);
a third gear (22) attached to the circular plate (20);
and the rack (23) is arranged on the box body (3), and the rack (23) is meshed with the third gear (22).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN202010799637.7A CN111940287A (en) | 2020-08-11 | 2020-08-11 | Screening gravel and sand equipment is used in building site construction |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN202010799637.7A CN111940287A (en) | 2020-08-11 | 2020-08-11 | Screening gravel and sand equipment is used in building site construction |
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CN111940287A true CN111940287A (en) | 2020-11-17 |
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CN202010799637.7A Pending CN111940287A (en) | 2020-08-11 | 2020-08-11 | Screening gravel and sand equipment is used in building site construction |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113770018A (en) * | 2021-09-27 | 2021-12-10 | 青岛康太源建设集团有限公司 | Can reduce energy loss's drum screening sand machine for building |
Citations (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2002126647A (en) * | 2000-10-27 | 2002-05-08 | Atex Co Ltd | Bran remover of grain separator |
JP2007007538A (en) * | 2005-06-30 | 2007-01-18 | Aichi Electric Co Ltd | Apparatus for and method of discharging mixed raw material |
CN201124153Y (en) * | 2007-10-29 | 2008-10-01 | 招金矿业股份有限公司 | Cleaner |
CN201543499U (en) * | 2009-11-24 | 2010-08-11 | 鞍钢集团矿业公司 | Combined deslagging screen used for magnetic separator |
CN201760390U (en) * | 2010-09-09 | 2011-03-16 | 昆明理工大学 | Cone-cylinder screening machine |
CN202238681U (en) * | 2011-08-29 | 2012-05-30 | 河南省澳斯迪环保机械有限责任公司 | Winnowing device for organic fertilizer made of domestic garbage |
CN203044345U (en) * | 2013-02-25 | 2013-07-10 | 湖北杉树垭矿业科技开发有限公司 | Phosphorite multistage sieving device |
CN203916863U (en) * | 2014-03-26 | 2014-11-05 | 四川回春堂药业连锁有限公司 | Snakegourd Fruit is washed seed flotation device |
CN105478336A (en) * | 2015-12-18 | 2016-04-13 | 宁德师范学院 | Full-automatic mud removing device for radix pseudostellariae |
CN209631618U (en) * | 2019-01-22 | 2019-11-15 | 房风保 | Construction sand sieving machine |
CN210207632U (en) * | 2018-12-28 | 2020-03-31 | 河南威猛振动设备股份有限公司 | Vibration drum screen equipment |
-
2020
- 2020-08-11 CN CN202010799637.7A patent/CN111940287A/en active Pending
Patent Citations (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2002126647A (en) * | 2000-10-27 | 2002-05-08 | Atex Co Ltd | Bran remover of grain separator |
JP2007007538A (en) * | 2005-06-30 | 2007-01-18 | Aichi Electric Co Ltd | Apparatus for and method of discharging mixed raw material |
CN201124153Y (en) * | 2007-10-29 | 2008-10-01 | 招金矿业股份有限公司 | Cleaner |
CN201543499U (en) * | 2009-11-24 | 2010-08-11 | 鞍钢集团矿业公司 | Combined deslagging screen used for magnetic separator |
CN201760390U (en) * | 2010-09-09 | 2011-03-16 | 昆明理工大学 | Cone-cylinder screening machine |
CN202238681U (en) * | 2011-08-29 | 2012-05-30 | 河南省澳斯迪环保机械有限责任公司 | Winnowing device for organic fertilizer made of domestic garbage |
CN203044345U (en) * | 2013-02-25 | 2013-07-10 | 湖北杉树垭矿业科技开发有限公司 | Phosphorite multistage sieving device |
CN203916863U (en) * | 2014-03-26 | 2014-11-05 | 四川回春堂药业连锁有限公司 | Snakegourd Fruit is washed seed flotation device |
CN105478336A (en) * | 2015-12-18 | 2016-04-13 | 宁德师范学院 | Full-automatic mud removing device for radix pseudostellariae |
CN210207632U (en) * | 2018-12-28 | 2020-03-31 | 河南威猛振动设备股份有限公司 | Vibration drum screen equipment |
CN209631618U (en) * | 2019-01-22 | 2019-11-15 | 房风保 | Construction sand sieving machine |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113770018A (en) * | 2021-09-27 | 2021-12-10 | 青岛康太源建设集团有限公司 | Can reduce energy loss's drum screening sand machine for building |
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Application publication date: 20201117 |