CN214682802U - Civil engineering grit screening installation - Google Patents
Civil engineering grit screening installation Download PDFInfo
- Publication number
- CN214682802U CN214682802U CN202120345682.5U CN202120345682U CN214682802U CN 214682802 U CN214682802 U CN 214682802U CN 202120345682 U CN202120345682 U CN 202120345682U CN 214682802 U CN214682802 U CN 214682802U
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- Prior art keywords
- screening
- fine sand
- sand
- bin
- storage device
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- 238000012216 screening Methods 0.000 title claims abstract description 89
- 238000009434 installation Methods 0.000 title claims abstract description 6
- 239000004576 sand Substances 0.000 claims abstract description 137
- 239000002699 waste material Substances 0.000 claims abstract description 40
- 238000000034 method Methods 0.000 claims abstract description 33
- 239000004575 stone Substances 0.000 claims abstract description 22
- 230000008569 process Effects 0.000 claims abstract description 12
- 238000007873 sieving Methods 0.000 claims abstract description 12
- 238000009827 uniform distribution Methods 0.000 claims abstract description 11
- 230000007246 mechanism Effects 0.000 claims abstract description 9
- 239000000203 mixture Substances 0.000 claims abstract description 4
- 239000000463 material Substances 0.000 claims description 11
- 238000009825 accumulation Methods 0.000 abstract description 3
- 230000003139 buffering effect Effects 0.000 description 6
- 230000032258 transport Effects 0.000 description 6
- 238000010276 construction Methods 0.000 description 4
- 238000007599 discharging Methods 0.000 description 4
- 238000009826 distribution Methods 0.000 description 3
- 239000004566 building material Substances 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 238000009435 building construction Methods 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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Abstract
The utility model relates to a civil engineering grit screening installation, including loading attachment, sieving mechanism and storage device, the grit mixture enters the sieving mechanism through the loading attachment and sieves, and fine sand enters the storage device, and the bottom of sieving mechanism is equipped with the dump bin, and coarse sand and stone enter the dump bin or enter the loading attachment and carry out the secondary screening; the storage device is internally provided with a uniform distribution device for uniformly distributing the fine sand in the storage device; the storage device is also provided with a post-process output device for conveying to a subsequent process and a bulk output device for bulk fine sand respectively. Has the advantages that: realize the autofilter of grit. The sand and stone carrying vehicle is directly poured to the sand and stone feeding hopper and can automatically feed, and the screened fine sand can be transported to the subsequent working procedure for direct use, thereby simplifying the process flow and improving the working efficiency. The waste can be directly discharged or secondary screening can be carried out, and accumulation phenomenon can not be formed when screened fine sand enters the fine sand bin, so that the volume can be fully utilized.
Description
Technical Field
The utility model relates to a civil engineering field especially relates to a civil engineering grit screening installation.
Background
Because of its good hardness and stable chemical properties, sandstone is often used as a high-quality building material and concrete raw material and is widely applied in the fields of houses, roads, highways, railways, engineering and the like. Sandstone is an important building material for large-scale buildings, rubble carving, interior decoration and garden yard construction since ancient times. A large amount of sand and stone concrete are required in building construction projects such as urban engineering construction, road construction and the like at present, and different requirements are required on the granularity and the uniformity of sand and stone in different engineering constructions, so that screening operation of a large amount of sand and stone can be involved in civil engineering. The sand screening is a work which is large in quantity, heavy and requires careful patience, and can involve a plurality of operation environments such as transportation, screening and transportation of sand. The existing vibrating screen needs to be operated by a plurality of people, which wastes labor force seriously, thereby being inconvenient in use. In addition, the feeding of grit often still needs the manpower to shovel into sieving mechanism with the grit, and the fine sand after the screening often also piles up in one department or box earlier, transports to subsequent handling department again to in the manual work shovels into subsequent handling's feeding device with the fine sand, the process is numerous, wastes time and energy. The conventional screening device is not thorough enough in screening, cannot meet the requirement when secondary screening is needed, and is easy to form accumulation when screened fine sand enters a device for storing the fine sand, so that the volume cannot be fully utilized.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that a civil engineering grit screening installation is provided to solve above-mentioned problem.
The utility model provides an above-mentioned technical problem's technical scheme as follows: a civil engineering gravel screening device comprises a feeding device, a screening device and a storage device, gravel mixtures enter the screening device through the feeding device to be screened, fine sand enters the storage device, a waste bin is arranged at the bottom of the screening device, and coarse sand and stones enter the waste bin or enter the feeding device to be screened secondarily; the storage device is internally provided with a uniform distribution device for uniformly distributing fine sand in the storage device; and the storage device is also respectively provided with a post-process output device for conveying to a subsequent process and a bulk output device for the fine sand in bulk.
The feeding device comprises a buffering bin, a feeding screening elevator and a first guide groove, the buffering bin is arranged in an inclined mode, the bottom of the buffering bin is arranged in an inclined mode, a sand and stone feeding hopper is arranged at the top of the buffering bin, the bottom of the buffering bin is communicated with the bottom of the feeding screening elevator, one end of the first guide groove is communicated with the top of the feeding screening elevator, and the other end of the first guide groove extends into the screening device.
Sieving mechanism is including screening body, sieve, vibrating motor and guide slot two, sieve elastic connection in screening is originally internal, vibrating motor install in on the screening body and its vibration output end with one side fixed connection of sieve, one of guide slot stretches into screening body and its stretch-in end are located the top of sieve, two fixed connection of guide slot in screening is originally internal and it is located the below of sieve, the one end of guide slot two is worn out the screening body is stretched into in the storage device.
And a waste hopper is arranged below the discharge end of the screen and is positioned above the waste box.
A material return groove communicated with the feeding and screening elevator is further arranged below the discharging end of the screen, a switching device is arranged on the waste hopper, and materials falling from the discharging end of the screen can enter the waste hopper or the material return groove by adjusting the switching device.
The switching device comprises a switching baffle plate, the switching baffle plate is hinged to the top of the waste hopper, and the switching baffle plate is swung to enable the waste hopper or the feed back trough to be selectively opened.
Storage device includes the fine sand storehouse, the bottom slope in fine sand storehouse sets up, the equipartition device includes equipartition motor, equipartition pivot and acceptor, equipartition motor fixed connection in on the fine sand storehouse, the vertical setting of equipartition pivot and its one end with the motor shaft fixed connection of equipartition motor, the other end of equipartition pivot with acceptor fixed connection, the acceptor wind the central axis of equipartition pivot is rotatory, the acceptor is the cavity, evenly spaced has seted up a plurality of equipartition holes on the acceptor, the exit end of guide slot two is located the top of acceptor.
The adaptor is a cylindrical cavity with an open top.
The adaptor is a spherical cavity with an open top.
The post-process output device comprises a fine sand outlet elevator and a fine sand post-process outlet pipe, and two ends of the fine sand post-process outlet pipe are respectively communicated with the bottom of the fine sand bin and the bottom of the fine sand outlet elevator; the bulk output device comprises a fine sand bulk outlet pipe, the fine sand bulk outlet pipe is communicated with the bottom of the fine sand bin, and valves are arranged on the fine sand post-process outlet pipe and the fine sand bulk outlet pipe.
The utility model has the advantages that: the automatic screening of the sandstone is realized without the operation of people. The grit transport vechicle can directly pour the grit into the grit feeder hopper, gets into the surge bin and transports to screening this internal screening through advancing the screening lifting machine, need not pile up earlier on the ground, and the manual work is shoveled the grit to the sieving mechanism in again, and the fine sand after the screening can be transported to direct use in the subsequent handling simultaneously, need not pile up and transport again in the feed arrangement of subsequent handling and shovel into the subsequent handling in a department, great simplification process flow, improved work efficiency. The waste material can be directly discharged or secondary screening can be carried out, when secondary screening is needed, the requirement can be met, accumulation can not be formed when screened fine sand enters the fine sand bin, and the volume can be fully utilized.
Drawings
Fig. 1 is a schematic structural view of a civil engineering sandstone screening apparatus provided by the present invention;
fig. 2 is a partially enlarged view of a switching device at a of the civil sand screening apparatus shown in fig. 1.
In the drawings, the components represented by the respective reference numerals are listed below:
1. the fine sand screening device comprises a buffer bin, 2, a sand feeding hopper, 3, a feeding screening hoister, 4, a screening body, 5, a waste bin, 6, a fine sand bin, 7, a fine sand outlet hoister, 8, a fine sand post-process outlet pipe, 9, a fine sand bulk outlet pipe, 10, a valve, 11, a guide groove I, 12, a screen, 13, a vibration motor, 14, a guide groove II, 15, a waste bin, 16, a material returning groove, 17, a switching baffle, 18, an even distribution motor, 19, an even distribution rotating shaft, 20, a receiver, 21 and even distribution holes.
Detailed Description
The principles and features of the present invention are described below in conjunction with the following drawings, the examples given are only intended to illustrate the present invention and are not intended to limit the scope of the present invention.
As shown in fig. 1-2, a civil sand screening device comprises a feeding device, a screening device and a storage device, sand and stone mixture enters the screening device through the feeding device for screening, fine sand enters the storage device, a waste bin 5 is arranged at the bottom of the screening device, and coarse sand and stones enter the waste bin 5 or enter the feeding device for secondary screening; the storage device is internally provided with a uniform distribution device for uniformly distributing fine sand in the storage device; and the storage device is also respectively provided with a post-process output device for conveying to a subsequent process and a bulk output device for the fine sand in bulk.
Loading attachment includes surge bin 1, advances to sieve lifting machine 3 and guide slot 11, 1 slope in surge bin sets up, just the bottom slope of surge bin 1 sets up, the top of surge bin 1 is equipped with grit feeder hopper 2, the bottom of surge bin 1 with advance the bottom intercommunication of sieving lifting machine 3, the one end of guide slot 11 with advance the top intercommunication of sieving lifting machine 3, the other end of guide slot 11 stretches into in the sieving mechanism. The sand and stone transport vehicle can directly pour sand and stone into the sand and stone feed hopper 2, enter the buffer bin 1 and convey the sand and stone into the screening body 4 for screening through the screening hoister 3, the sand and stone are not required to be accumulated on the ground firstly, and then the sand and stone are manually shoveled into the screening device, so that the working process is simplified, and the working efficiency is improved; the arrangement of the buffer bin 1 is that when the amount of the sand poured is too large, the sand cannot be conveyed into the screening body 4 for screening by the screening hoister 3, and the buffer bin 1 can be used as a container for temporary storage, transfer and buffering, so that the larger amount of the sand poured can be allowed; the dumping arrangement of the buffer bin 1 is to ensure the volume of the buffer bin 1 and make the sand feed hopper 2 shorter so as to match the height of a vehicle for conveying sand; the bottom of the buffer bin 1 is obliquely arranged so that sand and stones can slide to the bottom of the right side more smoothly and enter the screening hoister 3 more easily; the screening elevator 3 may be an auger elevator.
Sieving mechanism is including screening body 4, sieve 12, vibrating motor 13 and two 14 of guide slot, sieve 12 elastic connection in screening body 4, vibrating motor 13 install in on screening body 4 and its vibration output end with one side fixed connection of sieve 12, one 11 of guide slot stretch into screening body 4 and its stretch into the end and are located the top of sieve 12, two 14 fixed connection of guide slot in screening body 4 and its be located the below of sieve 12, the one end of two 14 of guide slot is worn out screening body 4 stretches into in the storage device. The first guide groove 11 conveys the sand and stone to the screen 12, the vibrating motor 13 drives the screen 12 to vibrate, the fine sand meeting the requirements falls to the second guide groove 14 from the lower part of the screen 12, and then slides to the fine sand bin 6 along the second guide groove 14, and the coarse sand and the stone which do not meet the requirements roll off from one end of the screen 12; the fine sand meeting the requirements directly slides to the fine sand bin 6 along the second guide groove 14, and can enter the fine sand bin 6 without passing through a transportation device, so that the structure is simplified, the cost is reduced, and the failure point of the device and the down time possibly caused by the failure of the device are reduced because the transportation device does not need to be additionally arranged; the sieve 12 is fixedly connected to the vibration seat, and the vibration seat is connected with the sieving body 4 through a spring.
A waste hopper 15 is arranged below the discharge end of the screen 12, and the waste hopper 15 is positioned above the waste box 5. Grit and stones that roll off under the discharge end of the screen 12 can pass directly into the waste bin 5 along the waste hopper 15.
A material return groove 16 communicated with the feeding and screening elevator 3 is further arranged below the discharging end of the screen 12, a switching device is arranged on the waste hopper 15, and materials rolled from the discharging end of the screen 12 can enter the waste hopper 15 or the material return groove 16 by adjusting the switching device. Adjust auto-change over device, can control the going of coarse sand and the stone that rolls down from the discharge end below of sieve 12, both can select to follow waste hopper 15 and directly get into waste material case 5, also can select to follow feed back 16 and get into screening lifting machine 3 and carried and carry out the secondary screening in screening body 4, can be according to follow the quantity condition of the available fine sand in the material that the discharge end of sieve 12 rolled down carries out the reasonable selection.
The switching device comprises a switching baffle 17, the switching baffle 17 is hinged to the top of the waste hopper 15, and the waste hopper 15 or the feed back trough 16 can be opened by swinging the switching baffle 17. The switching baffle 17 can swing left and right, when the switching baffle 17 swings to abut against the feed back trough 16, the feed back trough 16 is closed, and the waste hopper 15 is opened; when switching baffle 17 and swinging to the time with waste material hopper 15 butt, waste material hopper 15 closes, and feed back groove 16 opens simultaneously, and this kind of switching mode is simple direct, the operation of being convenient for.
Storage device includes fine sand storehouse 6, the bottom slope setting in fine sand storehouse 6, the equipartition device includes equipartition motor 18, equipartition pivot 19 and acceptor 20, equipartition motor 18 fixed connection in on the fine sand storehouse 6, 19 vertical settings in equipartition pivot and its one end with the motor shaft fixed connection of equipartition motor 18, the other end of equipartition pivot 19 with acceptor 20 fixed connection, acceptor 20 winds the central axis of equipartition pivot 19 is rotatory, acceptor 20 is the cavity, evenly spaced has seted up a plurality of equipartition holes 21 on the acceptor 20, the exit end of guide slot two 14 is located acceptor 20's top. The fine sand sliding down from the second guide groove 14 enters the adaptor 20, the uniform distribution motor 18 drives the uniform distribution rotating shaft 19 and the adaptor 20 to rotate, the centrifugal force generated by rotation of the fine sand in the adaptor 20 leaks out of each uniform distribution hole 21 into the fine sand bin 6, and the fine sand falling mode is more uniform compared with the mode that the fine sand directly falls into the fine sand bin 6 from the second guide groove 14, so that the fine sand is prevented from being accumulated and space waste is caused; the bottom of the fine sand bin 6 is obliquely arranged to ensure that the fine sand can slide to the bottom on the right side to enter the fine sand post-process outlet pipe 8 or the fine sand bulk outlet pipe 9, so that the volume of the fine sand bin 6 can be ensured, and if the fine sand is output from the bottom of the fine sand bin 6, the volume capable of containing the fine sand at the bottom of the fine sand bin 6 can be greatly reduced.
The receptacle 20 is a cylindrical cavity with an open top. The fine sand uniformly leaks out along the uniformly distributed holes 21 on the cylindrical surface and the bottom surface of the cylinder.
The adaptor 20 is a spherical cavity with an open top. Fine sand leaks out evenly along the evenly distributed holes 21 on the sphere.
The post-process output device comprises a fine sand outlet elevator 7 and a fine sand post-process outlet pipe 8, and two ends of the fine sand post-process outlet pipe 8 are respectively communicated with the bottom of the fine sand bin 6 and the bottom of the fine sand outlet elevator 7; the bulk output device comprises a fine sand bulk outlet pipe 9, the fine sand bulk outlet pipe 9 is communicated with the bottom of the fine sand bin 6, and valves 10 are arranged on the fine sand post-process outlet pipe 8 and the fine sand bulk outlet pipe 9. The fine sand outlet hoister 7 and the fine sand post-process outlet pipe 8 can transport the fine sand to a subsequent process for direct use, and the fine sand does not need to be accumulated at one position and then transported to the subsequent process and shoveled into a feeding device of the subsequent process, so that the process flow is greatly simplified, and the working efficiency is improved; the fine sand bulk outlet pipe 9 can be connected to the bottom of the fine sand bulk outlet pipe 9 by a sand carrier when a small amount of bulk fine sand is temporarily needed; the valve 10 can control the opening and closing and flow rate of the fine sand post-process outlet pipe 8 and the fine sand bulk outlet pipe 9; the fine sand outlet elevator 7 may be an auger type elevator.
The fixed connection referred to in this application may be a threaded connection, a welded connection or an adhesive connection.
The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.
Claims (10)
1. The civil engineering sandstone screening equipment is characterized by comprising a feeding device, a screening device and a storage device, wherein sandstone mixtures enter the screening device through the feeding device for screening, fine sands enter the storage device, a waste box (5) is arranged at the bottom of the screening device, and coarse sands and stones enter the waste box (5) or enter the feeding device for secondary screening; the storage device is internally provided with a uniform distribution device for uniformly distributing fine sand in the storage device; and the storage device is also respectively provided with a post-process output device for conveying to a subsequent process and a bulk output device for the fine sand in bulk.
2. The civil engineering grit screening installation of claim 1, characterized in that, loading attachment includes surge bin (1), advances to sieve lifting machine (3) and guide slot (11), surge bin (1) slope sets up, and the bottom slope of surge bin (1) sets up, the top of surge bin (1) is equipped with grit feeder hopper (2), the bottom of surge bin (1) with advance to sieve the bottom intercommunication of lifting machine (3), the one end of guide slot (11) with advance to sieve the top intercommunication of lifting machine (3), the other end of guide slot (11) stretches into in the sieving mechanism.
3. The civil sand screening device according to claim 2, wherein the screening device comprises a screening body (4), a screen (12), a vibrating motor (13) and a second guide groove (14), the screen (12) is elastically connected in the screening body (4), the vibrating motor (13) is installed on the screening body (4) and the vibrating output end of the vibrating motor is fixedly connected with one side of the screen (12), the first guide groove (11) extends into the screening body (4) and the extending end of the first guide groove is positioned above the screen (12), the second guide groove (14) is fixedly connected in the screening body (4) and is positioned below the screen (12), and one end of the second guide groove (14) penetrates out of the screening body (4) and extends into the storage device.
4. A civil sand screening plant according to claim 3, characterised in that a waste hopper (15) is provided below the discharge end of the screen (12), the waste hopper (15) being located above the waste bin (5).
5. The civil sandstone screening apparatus according to claim 4, wherein a material return chute (16) communicated with the feeding and screening elevator (3) is further arranged below the discharge end of the screen (12), and a switching device is arranged on the waste hopper (15), and the switching device is adjusted to enable the materials falling from the discharge end of the screen (12) to enter the waste hopper (15) or the material return chute (16).
6. A civil sand screening plant according to claim 5, characterised in that the switching means comprise a switching flap (17), the switching flap (17) being hinged to the top of the waste hopper (15), swinging the switching flap (17) causing the waste hopper (15) or the return chute (16) to be alternatively opened.
7. A civil sand screening plant according to claim 3, characterised in that the storage means comprise a fine sand silo (6), the bottom of the fine sand bin (6) is obliquely arranged, the uniform distribution device comprises a uniform distribution motor (18), a uniform distribution rotating shaft (19) and a receiver (20), the uniformly distributed motor (18) is fixedly connected on the fine sand bin (6), the uniformly distributed rotating shaft (19) is vertically arranged, one end of the uniformly distributed rotating shaft is fixedly connected with a motor shaft of the uniformly distributed motor (18), the other end of the uniform distribution rotating shaft (19) is fixedly connected with the bearing device (20), the adaptor (20) rotates around the central axis of the uniform rotating shaft (19), the adaptor (20) is a cavity, a plurality of uniformly distributed holes (21) are uniformly arranged on the adaptor (20) at intervals, the outlet end of the second guide groove (14) is positioned above the adaptor (20).
8. A civil sand screening apparatus according to claim 7, characterised in that the adaptor (20) is an open-topped cylindrical cavity.
9. A civil sand screening plant according to claim 7, characterised in that the receptacle (20) is an open-topped spheroid cavity.
10. The civil sand screening plant according to claim 7, wherein the post-process output device comprises a fine sand outlet lifter (7) and a fine sand post-process outlet pipe (8), and two ends of the fine sand post-process outlet pipe (8) are respectively communicated with the bottom of the fine sand silo (6) and the bottom of the fine sand outlet lifter (7); the bulk output device comprises a fine sand bulk outlet pipe (9), the fine sand bulk outlet pipe (9) is communicated with the bottom of the fine sand bin (6), and valves (10) are arranged on the fine sand post-process outlet pipe (8) and the fine sand bulk outlet pipe (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120345682.5U CN214682802U (en) | 2021-02-07 | 2021-02-07 | Civil engineering grit screening installation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120345682.5U CN214682802U (en) | 2021-02-07 | 2021-02-07 | Civil engineering grit screening installation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214682802U true CN214682802U (en) | 2021-11-12 |
Family
ID=78567136
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120345682.5U Expired - Fee Related CN214682802U (en) | 2021-02-07 | 2021-02-07 | Civil engineering grit screening installation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214682802U (en) |
-
2021
- 2021-02-07 CN CN202120345682.5U patent/CN214682802U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20211112 |
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| CF01 | Termination of patent right due to non-payment of annual fee |