CN205701431U - A kind of grains of sand fast screening devices for building - Google Patents
A kind of grains of sand fast screening devices for building Download PDFInfo
- Publication number
- CN205701431U CN205701431U CN201620318814.4U CN201620318814U CN205701431U CN 205701431 U CN205701431 U CN 205701431U CN 201620318814 U CN201620318814 U CN 201620318814U CN 205701431 U CN205701431 U CN 205701431U
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- China
- Prior art keywords
- rotating machine
- plate
- sand
- electric rotating
- web plate
- Prior art date
- 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 52
- 238000012216 screening Methods 0.000 title claims abstract description 32
- 230000001133 acceleration Effects 0.000 abstract description 4
- 230000000694 effects Effects 0.000 abstract description 4
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 56
- 235000012239 silicon dioxide Nutrition 0.000 description 7
- 239000000377 silicon dioxide Substances 0.000 description 5
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- OSGAYBCDTDRGGQ-UHFFFAOYSA-L calcium sulfate Chemical compound [Ca+2].[O-]S([O-])(=O)=O OSGAYBCDTDRGGQ-UHFFFAOYSA-L 0.000 description 3
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical group [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 229910052631 glauconite Inorganic materials 0.000 description 2
- 229910052500 inorganic mineral Inorganic materials 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 239000011707 mineral Substances 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 239000010453 quartz Substances 0.000 description 2
- 239000011435 rock Substances 0.000 description 2
- 238000007873 sieving Methods 0.000 description 2
- 229910052710 silicon Inorganic materials 0.000 description 2
- 239000010703 silicon Substances 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 239000004575 stone Substances 0.000 description 2
- 239000005995 Aluminium silicate Substances 0.000 description 1
- 235000014653 Carica parviflora Nutrition 0.000 description 1
- 241000243321 Cnidaria Species 0.000 description 1
- 241001450685 Corallium japonicum Species 0.000 description 1
- 235000019738 Limestone Nutrition 0.000 description 1
- 241000610384 Sparisoma cretense Species 0.000 description 1
- 235000012211 aluminium silicate Nutrition 0.000 description 1
- PZZYQPZGQPZBDN-UHFFFAOYSA-N aluminium silicate Chemical compound O=[Al]O[Si](=O)O[Al]=O PZZYQPZGQPZBDN-UHFFFAOYSA-N 0.000 description 1
- 229910000323 aluminium silicate Inorganic materials 0.000 description 1
- 229910052925 anhydrite Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910001919 chlorite Inorganic materials 0.000 description 1
- 229910052619 chlorite group Inorganic materials 0.000 description 1
- QBWCMBCROVPCKQ-UHFFFAOYSA-N chlorous acid Chemical compound OCl=O QBWCMBCROVPCKQ-UHFFFAOYSA-N 0.000 description 1
- 239000004927 clay Substances 0.000 description 1
- 229910052681 coesite Inorganic materials 0.000 description 1
- 239000004035 construction material Substances 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 229910052906 cristobalite Inorganic materials 0.000 description 1
- 210000002249 digestive system Anatomy 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 239000002223 garnet Substances 0.000 description 1
- 239000010437 gem Substances 0.000 description 1
- 229910001751 gemstone Inorganic materials 0.000 description 1
- 239000010438 granite Substances 0.000 description 1
- 239000006028 limestone Substances 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 229910052682 stishovite Inorganic materials 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 229910052905 tridymite Inorganic materials 0.000 description 1
Landscapes
- Combined Means For Separation Of Solids (AREA)
Abstract
This utility model relates to a kind of screening plant, particularly relates to a kind of grains of sand fast screening devices for building.The one grains of sand for building fast screening devices that the technical problems to be solved in the utility model is to provide a kind of can reduce labor strength, screening efficiency is high.In order to solve above-mentioned technical problem, this utility model provides such a sand grains for building fast screening devices, includes casing I, fixed block, base plate, pole, spring I, rotating shaft, right baffle-plate, web plate, casing II, spring II, electric pushrod, right baffle plate, jacking block, tooth bar, slide block, gear, electric rotating machine I, slide rail, L bracket, support I, right shelf, top board, feed hopper, electrically-controlled valve and electric rotating machine II.This utility model has reached the effect that can reduce labor strength, screening efficiency is high, breakneck acceleration is fast, it is possible to meet the screening requirements of the grains of sand for building.
Description
Technical field
This utility model relates to a kind of screening plant, particularly relates to a kind of grains of sand fast screening devices for building.
Background technology
Sand composition most typically is silicon dioxide, usually the form of quartz, because its chemical property is steady
Determine and quality is hard, it is sufficient to resist air slaking.Sand main component is silicon dioxide, and the density of silicon dioxide is
2.65g/cm^3, i.e. 2.65t/m^3.Sand is made up of mineral and small carg.Carg is rock
Stone forms with air slaking through corroding.The composition of sand is different because of local, and concrete condition regards the source of local rock
Depending on condition.In inland (such as desert) and non-tropical coast (such as sandy beach) environment, sand most common
Component is silicon (silicon dioxide SiO2).Under normal circumstances, silicon is presented in quartz.
Arkose is the sand or sandstone that a kind of Anhydrite (aluminium silicate) content is the highest, it is common that neighbouring granite
Formed through air slaking and erosion.The thin matter white sand found in coral reef is ground Corallium Japonicum Kishinouye (limestone),
They can be by the digestive system of parrot fish.The sand in some places comprises magnetic iron ore, clay, green mud
Stone, glauconite or Gypsum Fibrosum.Sand rich in magnetic iron ore is atrous.Containing chlorite and the sand of glauconite
It is typically green.Be positioned at New Mexico the white sand National Museum Gypsum Fibrosum sand dune with its white and well-known in
Generation.Garnet and other anti-corrosion mineral are comprised, such as some gemstone in certain areas, sand bed.
The grains of sand are a kind of important construction materials, and therefore, the screening of the grains of sand also seems and is even more important, husky at present
Mostly the screening of grain is by manually completing, the artificial screening grains of sand exist that labor intensity is big, breakneck acceleration slowly,
Screening efficiency is low, cannot screen uniform shortcoming, therefore need badly research and development one can reduce labor strength,
Screening efficiency is high, can screen uniform a kind of grains of sand fast screening devices for building.
Utility model content
(1) to solve the technical problem that
This utility model in order to overcome that artificial screening grains of sand labor intensity is big, breakneck acceleration is slow, screening efficiency is low,
Shortcoming, the technical problems to be solved in the utility model is to provide one can reduce labor strength, screening
The one grains of sand for building fast screening devices that efficiency is high.
(2) technical scheme
In order to solve above-mentioned technical problem, this utility model provides such a sand grains for building fast screening devices,
Include casing I, fixed block, base plate, pole, spring I, rotating shaft, right baffle-plate, web plate, casing II,
Spring II, electric pushrod, right baffle plate, jacking block, tooth bar, slide block, gear, electric rotating machine I, slide rail, L
Shape support, support I, right shelf, top board, feed hopper, electrically-controlled valve and electric rotating machine II, base plate upper end is from a left side
Fixed block, casing I, pole, casing II, electric pushrod, support I and right shelf, case it is sequentially provided with to the right side
Body I is symmetrically arranged on two with fixed block, and fixed block is close to casing I outer wall, connects with on the right side of pole on the left of casing II
Touching, with electric pushrod left contact on the right side of casing II, pole is provided with spring I, and electric pushrod is provided with bullet
Spring II, spring I and spring II are provided with web plate, are provided with rotating shaft on the left of web plate, and rotating shaft upper end is provided with right baffle-plate,
Being provided with right baffle plate on the right side of web plate upper end, support I upper end is provided with L bracket, and L bracket is provided with slide rail, sliding
Rail is provided with slide block, and slide block is slidably connected with slide rail, and slide block is provided with tooth bar, is provided with rotation on the left of L bracket
Motor I, electric rotating machine I is provided with gear, and wheel and rack engages, and is provided with jacking block, right shelf on the left of tooth bar
Upper end is provided with top board, and top board is provided with feed hopper, and feed hopper is provided with electrically-controlled valve.
Preferably, also including electric rotating machine II, rotating shaft is provided with electric rotating machine II, electric rotating machine II is solid
It is scheduled on web plate.
Preferably, also include left travel switch and right travel switch, be provided with left lateral journey on the left of slide rail upper end and open
Close, on the right side of slide rail upper end, be provided with right travel switch.
Operation principle: when the needs screening grains of sand, open electrically-controlled valve, the grains of sand are poured in feed hopper, the grains of sand
Fall web plate from feed hopper, when falling to having the grains of sand of q.s on web plate, close electrically-controlled valve.Open and rotate
Motor I, electric rotating machine I driven gear rotates clockwise, gear rotate clockwise promotion tooth bar to left movement,
Tooth bar promotes jacking block to left movement.Jacking block clashes into web plate to left movement, and web plate is moved to the left, and web plate is to moving to left
Control electric rotating machine reversion while Dong and return to initial position.After web plate is moved to the left certain distance, at spring
I and the pulling force effect of spring II, web plate stop motion, and setting in motion to the right.When web plate moves right one
After set a distance, opening electric rotating machine, electric rotating machine I driven gear rotates clockwise, and gear rotates clockwise
Promoting tooth bar to left movement, tooth bar promotes jacking block to left movement, and jacking block clashes into web plate again, web plate again to
Left movement.Controlling electric rotating machine and repeat aforesaid operations, web plate can be made to repeat left and right back and forth movement, the grains of sand pass through
After the sieving of web plate, fine sand grain drops in the casing II immediately below web plate, and coarse sand grain is stayed on web plate.Husky
After grain has sieved, control electric rotating machine and return to initial position and stop the rotation.When web plate stops moving left and right
After, rotate counterclockwise right baffle-plate so that it is internal that right baffle-plate makes to stretch into casing I.Control electric pushrod elongation,
Electric pushrod promotes web plate right-hand member to rise, and the coarse sand grain on web plate is in right baffle-plate enters into casing I.When
After coarse sand grain is completely into casing I, controls electric pushrod and return to initial position.This device allows rapid screening sand
Grain, reduces the labor intensity of people.
Because also including electric rotating machine II, rotating shaft being provided with electric rotating machine II, electric rotating machine II is fixed on
On web plate.Opening electric rotating machine II, electric rotating machine II drives axis of rotation, and rotating shaft drives right baffle-plate to rotate,
Can realize the automatic rotation of right baffle-plate, the automaticity that can make this device is more higher.
Because also including left travel switch and right travel switch, on the left of slide rail upper end, it is provided with left travel switch,
Right travel switch it is provided with on the right side of slide rail upper end.When slide block touches left travel switch, jacking block just strikes
Web plate, clashed into rear left travel switch control electric rotating machine I reversion, electric rotating machine I invert band carry-over bar and
Jacking block moves right.When web plate stops to left movement and starts to move right when, slide block just touches
Right travel switch, right lateral journey on-off control electric rotating machine I rotates clockwise, electric rotating machine I band carry-over bar and
Jacking block is moved to the left when slide block touches left travel switch, and jacking block just strikes web plate.Left travel switch
Precise positioning can be realized with right travel switch, can protection device without damage.
(3) beneficial effect
This utility model has reached the effect that can reduce labor strength, screening efficiency is high, breakneck acceleration is fast,
Disclosure satisfy that the screening requirements of the grains of sand for building.
Accompanying drawing explanation
Fig. 1 is the first main TV structure schematic diagram of the present utility model.
Fig. 2 is the second of the present utility model main TV structure schematic diagram.
Being labeled as in accompanying drawing: 1-casing I, 2-fixed block, 3-base plate, 4-pole, 5-spring I, 6-
Rotating shaft, 7-right baffle-plate, 8-web plate, 9-casing II, 10-spring II, 11-electric pushrod, the right baffle plate of 12-,
13-jacking block, 14-tooth bar, 15-slide block, 16-gear, 17-electric rotating machine I, 18-slide rail, 19-L shape is propped up
Frame, 20-support I, 21-right shelf, 22-top board, 23-feed hopper, 24-electrically-controlled valve, 25-electric rotating machine II,
The left travel switch of 26-, the right travel switch of 27-.
Detailed description of the invention
With embodiment, this utility model is further described below in conjunction with the accompanying drawings.
Embodiment 1
A kind of sand grains fast screening devices for building, as shown in Figure 1-2, includes casing I 1, fixed block 2, the end
Plate 3, pole 4, spring I 5, rotating shaft 6, right baffle-plate 7, web plate 8, casing II 9, spring II 10, electronic
Push rod 11, right baffle plate 12, jacking block 13, tooth bar 14, slide block 15, gear 16, electric rotating machine I 17, cunning
Rail 18, L bracket 19, support I 20, right shelf 21, top board 22, feed hopper 23, electrically-controlled valve 24 and rotation
Rotating motor II 25, base plate 3 upper end is sequentially provided with fixed block 2, casing I 1, pole 4, casing from left to right
II 9, electric pushrod 11, support I 20 and right shelf 21, casing I 1 is symmetrically arranged on two with fixed block 2, fixing
Block 2 is close to casing I 1 outer wall, with pole 4 right contact on the left of casing II 9, with electronic on the right side of casing II 9
Push rod 11 left contact, pole 4 is provided with spring I 5, and electric pushrod 11 is provided with spring II 10, spring
I 5 and spring II 10 be provided with web plate 8, be provided with rotating shaft 6 on the left of web plate 8, rotating shaft 6 upper end is provided with right baffle-plate
7, it is provided with right baffle plate 12 on the right side of web plate 8 upper end, support I 20 upper end is provided with L bracket 19, L bracket
19 are provided with slide rail 18, and slide rail 18 is provided with slide block 15, and slide block 15 is slidably connected with slide rail 18, slide block
15 are provided with tooth bar 14, are provided with electric rotating machine I 17 on the left of L bracket 19, and electric rotating machine I 17 is provided with
Gear 16, gear 16 engages with tooth bar 14, is provided with jacking block 13 on the left of tooth bar 14, and right shelf 21 upper end is provided with
Top board 22, top board 22 is provided with feed hopper 23, and feed hopper 23 is provided with electrically-controlled valve 24.
Also including electric rotating machine II 25, rotating shaft 6 is provided with electric rotating machine II 25, electric rotating machine II 25 is solid
It is scheduled on web plate 8.
Also include left travel switch 26 and right travel switch 27, be provided with left lateral journey on the left of slide rail 18 upper end and open
Close 26, on the right side of slide rail 18 upper end, be provided with right travel switch 27.
Operation principle: when the needs screening grains of sand, open electrically-controlled valve 24, the grains of sand are poured in feed hopper 23,
The grains of sand are fallen web plate 8 from feed hopper 23, when falling to having the grains of sand of q.s on web plate 8, close electrically-controlled valve
24.Opening electric rotating machine I 17, electric rotating machine I 17 driven gear 16 rotates clockwise, gear 16 up time
Pin rotates and promotes tooth bar 14 to left movement, and tooth bar 14 promotes jacking block 13 to left movement.Jacking block 13 is transported to the left
Dynamic shock web plate 8, web plate 8 is moved to the left, and web plate 8 controls electric rotating machine reversion and returns to while being moved to the left
Initial position.After web plate 8 is moved to the left certain distance, in the pulling force effect of spring I 5 and spring II 10,
Web plate 8 stop motion, and setting in motion to the right.After web plate 8 moves right certain distance, open and rotate
Motor, electric rotating machine I 17 driven gear 16 rotates clockwise, and gear 16 rotates clockwise promotion tooth bar 14
To left movement, tooth bar 14 promotes jacking block 13 to left movement, and jacking block 13 clashes into web plate 8 again, and web plate 8 is again
Secondary to left movement.Control electric rotating machine and repeat aforesaid operations, web plate 8 can be made to repeat left and right back and forth movement, husky
Grain is after the sieving of web plate 8, and fine sand grain drops in the casing II 9 immediately below web plate 8, and coarse sand grain is stayed
On web plate 8.After the grains of sand have sieved, control electric rotating machine and return to initial position and stop the rotation.When web plate 8
After stopping moving left and right, rotate counterclockwise right baffle-plate 7 so that it is internal that right baffle-plate 7 makes to stretch into casing I 1.
Controlling electric pushrod 11 to extend, electric pushrod 11 promotes web plate 8 right-hand member to rise, the coarse sand grain on web plate 8
In right baffle-plate 7 enters into casing I 1.After coarse sand grain is completely into casing I 1, control electric pushrod
11 return to initial position.This device allows rapid screening the grains of sand, reduces the labor intensity of people.
Because also including electric rotating machine II 25, rotating shaft 6 is provided with electric rotating machine II 25, electric rotating machine II
25 are fixed on web plate 8.Opening electric rotating machine II 25, electric rotating machine II 25 drives rotating shaft 6 to rotate, rotating shaft
6 drive right baffle-plate 7 to rotate, and can realize the automatic rotation of right baffle-plate 7, can make the automaticity of this device more
High.
Because also including left travel switch 26 and right travel switch 27, being provided with left lateral journey on the left of slide rail 18 upper end and opening
Close 26, on the right side of slide rail 18 upper end, be provided with right travel switch 27.When slide block 15 touches left travel switch 26
Time, jacking block 13 just strikes web plate 8, and having clashed into rear left travel switch 26, to control electric rotating machine I 17 anti-
Turning, electric rotating machine I 17 reversion band carry-over bar 14 and jacking block 13 move right.When web plate 8 stops transporting to the left
The when of moving and start to move right, slide block 15 just touches right travel switch 27, right travel switch 27
Controlling electric rotating machine I 17 to rotate clockwise, electric rotating machine I 17 band carry-over bar 14 and jacking block 13 are moved to the left
When slide block 15 touches left travel switch 26, jacking block 13 just strikes web plate 8.Left travel switch 26
Precise positioning can be realized with right travel switch 27, can protection device without damage.
Embodiment described above only have expressed preferred implementation of the present utility model, its describe more concrete and
In detail, but therefore can not be interpreted as the restriction to this utility model the scope of the claims.It should be pointed out that,
For the person of ordinary skill of the art, without departing from the inventive concept of the premise, it is also possible to make
Some deformation, improving and substitute, these broadly fall into protection domain of the present utility model.Therefore, this practicality is new
The protection domain of type patent should be as the criterion with claims.
Claims (3)
1. a sand grains fast screening devices for building, it is characterised in that include casing I (1), fixed block (2),
Base plate (3), pole (4), spring I (5), rotating shaft (6), right baffle-plate (7), web plate (8), case
Body II (9), spring II (10), electric pushrod (11), right baffle plate (12), jacking block (13), tooth bar
(14), slide block (15), gear (16), electric rotating machine I (17), slide rail (18), L bracket (19),
Support I (20), right shelf (21), top board (22), feed hopper (23), electrically-controlled valve (24) and rotation
Motor II (25), base plate (3) upper end be sequentially provided with from left to right fixed block (2), casing I (1),
Pole (4), casing II (9), electric pushrod (11), support I (20) and right shelf (21), casing
I (1) is symmetrically arranged on two with fixed block (2), and fixed block (2) is close to casing I (1) outer wall, case
Body II (9) left side and pole (4) right contact, casing II (9) right side and electric pushrod (11)
Left contact, pole (4) is provided with spring I (5), and electric pushrod (11) is provided with spring II (10),
Spring I (5) and spring II (10) are provided with web plate (8), and web plate (8) left side is provided with rotating shaft (6),
Rotating shaft (6) upper end is provided with right baffle-plate (7), is provided with right baffle plate (12) on the right side of web plate (8) upper end,
Frame I (20) upper end is provided with L bracket (19), and L bracket (19) is provided with slide rail (18), sliding
Rail (18) is provided with slide block (15), and slide block (15) is slidably connected with slide rail (18), slide block (15)
Being provided with tooth bar (14), L bracket (19) left side is provided with electric rotating machine I (17), electric rotating machine I
(17) being provided with gear (16), gear (16) engages with tooth bar (14), tooth bar (14) left side
Being provided with jacking block (13), right shelf (21) upper end is provided with top board (22), and top board (22) is provided with feed hopper
(23), feed hopper (23) is provided with electrically-controlled valve (24).
One the most according to claim 1 sand grains for building fast screening devices, it is characterised in that also include
There is electric rotating machine II (25), rotating shaft (6) is provided with electric rotating machine II (25), electric rotating machine II (25)
It is fixed on web plate (8).
One the most according to claim 1 sand grains for building fast screening devices, it is characterised in that also include
There are left travel switch (26) and right travel switch (27), on the left of slide rail (18) upper end, are provided with left lateral journey
Switch (26), is provided with right travel switch (27) on the right side of slide rail (18) upper end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620318814.4U CN205701431U (en) | 2016-04-15 | 2016-04-15 | A kind of grains of sand fast screening devices for building |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620318814.4U CN205701431U (en) | 2016-04-15 | 2016-04-15 | A kind of grains of sand fast screening devices for building |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205701431U true CN205701431U (en) | 2016-11-23 |
Family
ID=57308777
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620318814.4U Expired - Fee Related CN205701431U (en) | 2016-04-15 | 2016-04-15 | A kind of grains of sand fast screening devices for building |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205701431U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107282419A (en) * | 2017-08-27 | 2017-10-24 | 刘治国 | A kind of construction sandstone multilevel screening device |
| CN107321601A (en) * | 2017-08-14 | 2017-11-07 | 孙斌 | A kind of rural domestic sewage treatment structures construction sand high frequency zone equipment |
| CN107790384A (en) * | 2017-09-29 | 2018-03-13 | 刘城 | A kind of road construction sand screening plant |
| CN110180777A (en) * | 2019-06-03 | 2019-08-30 | 三门器恒机械设备有限公司 | A kind of water-saving industrial silt screening installation |
| CN110441111A (en) * | 2019-08-28 | 2019-11-12 | 浙江大学 | A kind of geotechnical model of size adjustable pours sand device automatically |
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2016
- 2016-04-15 CN CN201620318814.4U patent/CN205701431U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107321601A (en) * | 2017-08-14 | 2017-11-07 | 孙斌 | A kind of rural domestic sewage treatment structures construction sand high frequency zone equipment |
| CN107282419A (en) * | 2017-08-27 | 2017-10-24 | 刘治国 | A kind of construction sandstone multilevel screening device |
| CN107282419B (en) * | 2017-08-27 | 2019-10-11 | 明光市天骄科技发展有限公司 | A kind of construction sandstone multilevel screening device |
| CN107790384A (en) * | 2017-09-29 | 2018-03-13 | 刘城 | A kind of road construction sand screening plant |
| CN107790384B (en) * | 2017-09-29 | 2020-10-27 | 聊城九洲建设集团有限公司 | Sand sieving mechanism is used in road construction |
| CN110180777A (en) * | 2019-06-03 | 2019-08-30 | 三门器恒机械设备有限公司 | A kind of water-saving industrial silt screening installation |
| CN110441111A (en) * | 2019-08-28 | 2019-11-12 | 浙江大学 | A kind of geotechnical model of size adjustable pours sand device automatically |
| CN110441111B (en) * | 2019-08-28 | 2020-09-04 | 浙江大学 | Automatic sand device that waters of geotechnique's model of adjustable size |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CB03 | Change of inventor or designer information |
Inventor after: Wang Zhijun Inventor before: Zhang Jinfa |
|
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Effective date of registration: 20170614 Address after: Foshan City, Guangdong province 528599 city streets Gaoming District Gaoming Road No. 780 east 2 shop No. 3 Patentee after: Guangdong Dragon Construction Engineering Co.,Ltd. Address before: 362417 Quanzhou County, Anxi County Peach boat Township, South pit village center, No. 48 Patentee before: Zhang Jinfa |
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