CN107309160A - A kind of vibrations screening plant for being used to build sandstone separation - Google Patents
A kind of vibrations screening plant for being used to build sandstone separation Download PDFInfo
- Publication number
- CN107309160A CN107309160A CN201710666642.9A CN201710666642A CN107309160A CN 107309160 A CN107309160 A CN 107309160A CN 201710666642 A CN201710666642 A CN 201710666642A CN 107309160 A CN107309160 A CN 107309160A
- Authority
- CN
- China
- Prior art keywords
- screening plant
- movable axis
- adjustable shelf
- feeding chamber
- spring
- 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.)
- Withdrawn
Links
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
-
- 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
- B07B1/4609—Constructional details of screens in general; Cleaning or heating of screens constructional details of screening surfaces or meshes
Abstract
The invention discloses a kind of vibrations screening plant for being used to build sandstone separation, including feeding device, screening plant, shaking device, silt container and stone collecting box, described shaking device includes fixed mount and adjustable shelf, described fixed mount includes bottom plate, the left and right sides of the upper plane of described bottom plate is provided with side plate, the outer wall of the left and right sides of described adjustable shelf is mounted on the first movable axis, first movable axis of the described left and right sides both passes through the side plate of the left and right sides, the first spring is wound with the first described movable axis, the centre position of described adjustable shelf is provided with dividing plate, the second movable axis is mounted between the lower planes of described dividing plate and the upper wall of adjustable shelf and lower wall, second spring is wound with the second described movable axis, the front and rear sides of described dividing plate are mounted on twice eccentric block；The present invention uses eccentric block shaking device, by adjusting angle between eccentric block, and material conveying is driven while screening is shaken.
Description
Technical field
The present invention relates to a kind of building implement, specifically a kind of vibrations screening plant for being used to build sandstone separation.
Background technology
Architectural engineering, refer to by the construction to all kinds of building constructions and its affiliated facility and the circuit supporting with it, pipeline,
The engineering entity that the installation activity of equipment is formed.Wherein " building construction ", which refers to, top cover, beam column, wall, basis and can
Inner space is formed, people's production, inhabitation, study, the engineering of public activity needs is met.
In building sites such as highway, bridge, building constructions, sandstone separation is an essential job.The sieve used at present
Husky machine is generally large-scale monoblock type sand sieving machine, due to structure, is had the following disadvantages：First, build is larger, heaviness, operation
Inconvenience；Second, the husky cost of sieve is high, intensity of workers is big；Third, sandstone separating effect is poor.Especially large-scale
Sandstone factory, the efficiency and quality of sandstone separation, directly affects corresponding economic benefit, existing sand-stone separator can not expire
Sufficient demand.
The content of the invention
It is an object of the invention to provide a kind of vibrations screening plant for being used to build sandstone separation, to solve above-mentioned background
The problem of being proposed in technology.
To achieve the above object, the present invention provides following technical scheme：
A kind of vibrations screening plant for being used to build sandstone separation, including feeding device, screening plant, shaking device, collection
Sandbox and stone collecting box, described feeding device are provided with pan feeding chamber and feeding chamber, and the top of described pan feeding chamber is provided with material bin, institute
The inside for the pan feeding chamber stated is provided with inclined deflector, and described feeding chamber is located at the right side of pan feeding chamber, and described deflector is stretched
Enter in feeding chamber, the bottom of described feeding chamber is provided with conveying motor, and the top of described conveying motor is provided with conveying and turned
Spiral flood dragon is installed, the right side of the bottom of described feeding chamber is provided with conveying bucket, described sieve in axle, described conveying rotating shaft
Screening device is located at the right side of feeding device, and the centre position of described screening plant is provided with screen pack, and described screen pack will
Screening plant is divided into sieving groove and filter sand room, and described conveying bucket is located at the surface of sieving groove left end, described filter sand room
The left and right sides be provided with blanking chamber, the bottom of described blanking chamber is connected with conveying pipeline, and described silt container is located at screening plant
Lower section, described conveying pipeline is connected with silt container, and described stone collecting box is located at the right side of silt container, described sieving groove
Right-hand member be provided with discharge gate, the bottom of described discharge gate is provided with stock guide, described stock guide be located at stone collecting box just on
Side, the inwall of described stone collecting box is provided with cushion pad, and described shaking device is arranged on the top of silt container, described vibrations dress
Put and include fixed mount and adjustable shelf, described fixed mount includes bottom plate, the left and right sides peace of the upper plane of described bottom plate
Equipped with side plate, the outer wall of the left and right sides of described adjustable shelf is mounted on the movable axis of twice first, the described left and right sides
First movable axis both passes through and is wound with the first spring, described first on the side plate of the left and right sides, the first described movable axis
One end of spring is arranged on the outer wall of adjustable shelf, and the other end of the first spring is fixed on the inwall of side plate, described adjustable shelf
Centre position is provided with dividing plate, and twice the are mounted between the described lower planes of dividing plate and the upper wall of adjustable shelf and lower wall
Second spring is wound with two movable axis, the second described movable axis, one end of described second spring is arranged on dividing plate,
The other end of described second spring is fixed on adjustable shelf, and the front and rear sides of described dividing plate are mounted on twice eccentric block,
It is connected between the eccentric block of described front and rear sides by rotating shaft, the centre position on the top of dividing plate is provided with connecting pole, institute
The top for the connecting pole stated is provided with support frame, and described support frame is fixed on the baseplane of filter sand room.
It is used as further scheme of the invention：Described deflector in right low left high tilt and angle of inclination be 10 °.
It is used as further scheme of the invention：The top of described feeding chamber is provided with bearing, described conveying rotating shaft
Top is fixed in bearing.
It is used as further scheme of the invention：Described stock guide is arranged on the right side bottom of sieving groove by movable axis.
It is used as further scheme of the invention：Described eccentric block semicircular in shape.
It is used as further scheme of the invention：Angle between the eccentric block of described same axle is 90 °.
It is used as further scheme of the invention：Described is located between not coaxial and in the same plane eccentric block
Angle be 180 °.
Compared with prior art, the beneficial effects of the invention are as follows：The mechanism is slim and graceful, easy, is readily transported and human users；
Compared with similar mechanism, equipment cost is relatively low, with production and can effectively reduce the labor intensity of personnel；Use bias
Block shaking device, by adjusting angle between eccentric block, the corresponding vibrations track of design drives material while screening is shaken
Promote to the right, while starting screening and the effect of conveying material；Cushion pad is provided with stone collecting box, it is to avoid stone collision causes collection
Stone case broken.
Brief description of the drawings
Fig. 1 is structural representation of the invention.
Fig. 2 is the structural representation of shaking device in the present invention.
Fig. 3 is the vibrations track schematic diagram of screening plant in the present invention.
In figure：1- feeding devices, 2- screening plants, 3- shaking devices, 4- silt containers, 5- stone collecting boxs, 6- pan feedings chamber, 7- enter
Hopper, 8- deflectors, 9- feeding chambers, 10- conveyings motor, the rotating shaft of 11- conveyings, 12- spirals flood dragon, 13- conveyings bucket, 14- filterings
Net, 15- sieving grooves, 16- filter sands room, 17- blankings chamber, 18- stock guides, 19- discharge gates, 20- conveying pipelines, 21- fixed mounts, 22-
Adjustable shelf, 23- bottom plates, 24- side plates, 25- dividing plates, the movable axis of 26- first, the springs of 27- first, the movable axis of 28- second, 29-
Two springs, 30- rotating shafts, 31- eccentric blocks, 32- connecting poles, 33- support frames, 34- cushion pads
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than whole embodiments.It is based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of creative work is not made
Embodiment, belongs to the scope of protection of the invention.
Refer in Fig. 1~3, the embodiment of the present invention, a kind of vibrations screening plant for being used to build sandstone separation, including it is defeated
Expect device 1, screening plant 2, shaking device 3, silt container 4 and stone collecting box 5, described feeding device 1 is provided with pan feeding chamber 6 and conveying
Chamber 9, the top of described pan feeding chamber 6 is provided with material bin 7, and the inside of described pan feeding chamber 6 is provided with inclined deflector 8, described
Deflector 8 tilted in right low left high and angle of inclination is 10 °, described feeding chamber 9 is located at the right side of pan feeding chamber 6, institute
The deflector 8 stated is stretched into feeding chamber 9, and the bottom of described feeding chamber 9 is provided with conveying motor 10, described conveying motor 10
Top be provided with conveying rotating shaft 11, described conveying rotating shaft 11 spiral flood dragon 12 be installed, the top of described feeding chamber 9
Bearing is installed, the top of described conveying rotating shaft 11 is fixed in bearing, the right side of the bottom of described feeding chamber 9 is provided with defeated
Hopper 13, described screening plant 2 is located at the right side of feeding device 1, and the centre position of described screening plant 2 is provided with filtering
Screening plant 2 is divided into sieving groove 15 and filter sand room 16 by net 14, described screen pack 14, and described conveying bucket 13 is located at sieve and expected
The surface of the left end of groove 15, the left and right sides of described filter sand room 16 is provided with blanking chamber 17, and the bottom of described blanking chamber 17 connects
Conveying pipeline 20 is connected to, described silt container 4 is located at the lower section of screening plant 2, and described conveying pipeline 20 is connected with silt container 4
Logical, described stone collecting box 5 is located at the right side of silt container 4, and the right-hand member of described sieving groove 15 is provided with discharge gate 19, described discharge
The bottom of mouth 19 is provided with stock guide 18, and described stock guide 18 is arranged on the right side bottom of sieving groove 15 by movable axis 19,
Described stock guide 18 is located at the surface of stone collecting box 5, and the inwall of described stone collecting box 5 is provided with cushion pad 34, described vibrations
Device 3 is arranged on the top of silt container 4, and described shaking device 3 includes fixed mount 21 and adjustable shelf 22, described fixed mount
21 include bottom plate 23, and the left and right sides of the upper plane of described bottom plate 23 is provided with side plate 24, a left side for described adjustable shelf 22
The outer wall of right both sides is mounted on the first movable axis of twice 26, and the first movable axis 26 of the described left and right sides both passes through left and right two
The first spring 27 is wound with the side plate 24 of side, the first described movable axis 26, one end of the first described spring 27 is installed
In the outer wall of adjustable shelf 22, the other end of the first spring 27 is fixed on the inwall of side plate 24, the interposition of described adjustable shelf 22
Dividing plate 25 has been installed, twice are mounted between the described lower planes of dividing plate 25 and the upper wall and lower wall of adjustable shelf 22
Second spring 29 is wound with two movable axis 28, the second described movable axis 28, one end of described second spring 29 is installed
On dividing plate 25, the other end of described second spring 29 is fixed on adjustable shelf 22, and the front and rear sides of described dividing plate 25 are equal
Twice eccentric block 31 is installed, is connected between the eccentric block 31 of described front and rear sides by rotating shaft 30, described eccentric block
Angle between 31 semicirculars in shape, the eccentric block 31 of described same axle is 90 °, it is described be located at it is not coaxial and positioned at same flat
The angle between eccentric block 31 on face is 180 °, and the centre position on the top of dividing plate 25 is provided with connecting pole 32, described company
The top for connecing post 32 is provided with support frame 33, and described support frame 33 is fixed on the baseplane of filter sand room 16.
The present invention operation principle be：During work, sandstone is put into out of material bin 7, after being acted on through deflector 8, entered
Feeding chamber 9, starts conveying motor 10, and conveying motor 10 drives spiral flood dragon 12 to rotate by conveying rotating shaft 11, spiral flood dragon 12
Material is delivered to the conveying bucket 13 at top from bottom, and fallen into from conveying bucket 13 in sieving groove 15；Starting shock device 3, electricity
Machine drives eccentric block 31 to rotate respectively by rotating shaft 30, due to carrying the effect for the eccentric force that two axles of eccentric block 31 are produced.Therefore
And drive the first movable axis 26 and the second movable axis 28 to make side-to-side movement or up and down motion, the first spring 27 and the second bullet respectively
Spring 29 opens effect that is spacing and resetting, and vibration performance is depended on：On the direction of rotation of electric motor starting front axle and speed, each axle
Angle between eccentric wheel, it is not coaxial on eccentric wheel between angle；Angle between the eccentric block 31 of described same axle is
90 °, the described angle being located between not coaxial and in the same plane eccentric block 31 is 180 °, the shaking device 3
Track is shaken to shake for low dip from left to right；By shock effect, sandstone is separated, grit falls into filter sand by screen pack 14
In room 16, it is delivered to by blanking chamber 17 through conveying pipeline 20 in silt container 4, not by the stone of screen pack 14, in vibrations process
In, progressively lateral movement to the right is subsequently fallen into stone collecting box 5 by stock guide 18, cushion pad 34 is provided with stone collecting box 5, it is to avoid stone
Collision causes stone collecting box 5 damaged.It is of the invention slim and graceful, easy, it is readily transported and human users；Compared with similar mechanism, equipment into
This is relatively low, with production and can effectively reduce the labor intensity of personnel；It is inclined by regulation using eccentric block shaking device
Angle between heart block, the corresponding vibrations track of design, drives material to promote to the right while screening is shaken, while starting sieve
Choosing and the effect of conveying material.
It is obvious to a person skilled in the art that the invention is not restricted to the details of above-mentioned one exemplary embodiment, Er Qie
In the case of without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter
From the point of view of which point, embodiment all should be regarded as exemplary, and be nonrestrictive, the scope of the present invention is by appended power
Profit is required rather than described above is limited, it is intended that all in the implication and scope of the equivalency of claim by falling
Change is included in the present invention.Any reference in claim should not be considered as to the claim involved by limitation.
Moreover, it will be appreciated that although the present specification is described in terms of embodiments, not each embodiment is only wrapped
Containing an independent technical scheme, this narrating mode of specification is only that for clarity, those skilled in the art should
Using specification as an entirety, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
It may be appreciated other embodiment.
Claims (7)
1. a kind of vibrations screening plant for being used to build sandstone separation, including feeding device (1), screening plant (2), shaking device
(3), silt container (4) and stone collecting box (5), it is characterised in that described feeding device (1) is provided with pan feeding chamber (6) and feeding chamber
(9), the top of described pan feeding chamber (6) is provided with material bin (7), and the inside of described pan feeding chamber (6) is provided with inclined deflector
(8), described feeding chamber (9) is located at the right side of pan feeding chamber (6), and described deflector (8) is stretched into feeding chamber (9), described
The bottom of feeding chamber (9) is provided with conveying motor (10), and the top of described conveying motor (10) is provided with conveying rotating shaft (11),
Spiral flood dragon (12) is installed, the right side of the bottom of described feeding chamber (9) is provided with conveying bucket in described conveying rotating shaft (11)
(13), described screening plant (2) is located at the right side of feeding device (1), and the centre position of described screening plant (2) is provided with
Screening plant (2) is divided into sieving groove (15) and filter sand room (16) by screen pack (14), described screen pack (14), and described is defeated
Hopper (13) is located at the surface of sieving groove (15) left end, and the left and right sides of described filter sand room (16) is provided with blanking chamber (17),
The bottom of described blanking chamber (17) is connected with conveying pipeline (20), and described silt container (4) is located at the lower section of screening plant (2),
Described conveying pipeline (20) is connected with silt container (4), and described stone collecting box (5) is located at the right side of silt container (4), described
The right-hand member of sieving groove (15) is provided with discharge gate (19), and the bottom of described discharge gate (19) is provided with stock guide (18), described
Stock guide (18) is located at the surface of stone collecting box (5), and the inwall of described stone collecting box (5) is provided with cushion pad (34), described shake
Dynamic device (3) is arranged on the top of silt container (4), and described shaking device (3) includes fixed mount (21) and adjustable shelf (22),
Described fixed mount (21) includes bottom plate (23), and the left and right sides of the upper plane of described bottom plate (23) is provided with side plate
(24), the outer wall of the left and right sides of described adjustable shelf (22) is mounted on the movable axis of twice first (26), described left and right two
The first movable axis (26) of side both passes through and is wound with first on the side plate (24) of the left and right sides, described the first movable axis (26)
Spring (27), one end of described the first spring (27) is arranged on the outer wall of adjustable shelf (22), the other end of the first spring (27)
It is fixed on the inwall of side plate (24), the centre position of described adjustable shelf (22) is provided with dividing plate (25), described dividing plate (25)
The movable axis of twice second (28), the second described work are mounted between lower planes and the upper wall and lower wall of adjustable shelf (22)
Second spring (29) is wound with moving axis (28), one end of described second spring (29) is arranged on dividing plate (25), described
The other end of second spring (29) be fixed on adjustable shelf (22), the front and rear sides of described dividing plate (25) are mounted on twice
It is connected between eccentric block (31), the eccentric block (31) of described front and rear sides by rotating shaft (30), the top of dividing plate (25)
Centre position is provided with connecting pole (32), and the top of described connecting pole (32) is provided with support frame (33), described support frame
(33) on the baseplane for being fixed on filter sand room (16).
2. the vibrations screening plant according to claim 1 for being used to build sandstone separation, it is characterised in that described water conservancy diversion
Plate (8) in right low left high tilt and angle of inclination be 10 °.
3. the vibrations screening plant according to claim 1 for being used to build sandstone separation, it is characterised in that described conveying
The top of chamber (9) is provided with bearing, and the top of described conveying rotating shaft (11) is fixed in bearing.
4. the vibrations screening plant according to claim 1 for being used to build sandstone separation, it is characterised in that described guide
Plate (18) is arranged on the right side bottom of sieving groove (15) by movable axis (19).
5. the vibrations screening plant according to claim 1 for being used to build sandstone separation, it is characterised in that described bias
Block (31) semicircular in shape.
6. the vibrations screening plant according to claim 1 for being used to build sandstone separation, it is characterised in that described is same
Angle between the eccentric block (31) of axle is 90 °.
7. the vibrations screening plant according to claim 1 for being used to build sandstone separation, it is characterised in that described is located at
Angle between not coaxial and in the same plane eccentric block (31) is 180 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710666642.9A CN107309160A (en) | 2017-08-07 | 2017-08-07 | A kind of vibrations screening plant for being used to build sandstone separation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710666642.9A CN107309160A (en) | 2017-08-07 | 2017-08-07 | A kind of vibrations screening plant for being used to build sandstone separation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107309160A true CN107309160A (en) | 2017-11-03 |
Family
ID=60170573
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710666642.9A Withdrawn CN107309160A (en) | 2017-08-07 | 2017-08-07 | A kind of vibrations screening plant for being used to build sandstone separation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107309160A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107901271A (en) * | 2017-11-23 | 2018-04-13 | 广东亿洋管业科技有限公司 | A kind of granulation separator for automatically controlling output speed |
| CN108043710A (en) * | 2017-12-11 | 2018-05-18 | 刘勤 | A kind of efficient tealeaves screening installation |
| CN108212556A (en) * | 2017-12-19 | 2018-06-29 | 杨诺 | A kind of centrifugal separating type sandstone screening plant |
| CN108465537A (en) * | 2018-02-27 | 2018-08-31 | 陈鑫利 | A kind of abrading type medical supplies plastic garbage processing equipment |
| CN111804580A (en) * | 2020-07-20 | 2020-10-23 | 武倩 | Efficient chemical raw material filtering and dust removing device and using method thereof |
-
2017
- 2017-08-07 CN CN201710666642.9A patent/CN107309160A/en not_active Withdrawn
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107901271A (en) * | 2017-11-23 | 2018-04-13 | 广东亿洋管业科技有限公司 | A kind of granulation separator for automatically controlling output speed |
| CN108043710A (en) * | 2017-12-11 | 2018-05-18 | 刘勤 | A kind of efficient tealeaves screening installation |
| CN108212556A (en) * | 2017-12-19 | 2018-06-29 | 杨诺 | A kind of centrifugal separating type sandstone screening plant |
| CN108465537A (en) * | 2018-02-27 | 2018-08-31 | 陈鑫利 | A kind of abrading type medical supplies plastic garbage processing equipment |
| CN111804580A (en) * | 2020-07-20 | 2020-10-23 | 武倩 | Efficient chemical raw material filtering and dust removing device and using method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107309160A (en) | A kind of vibrations screening plant for being used to build sandstone separation | |
| CN103212243B (en) | Sand and water separation system and method | |
| CN104353608B (en) | Whirling vibration screening machine | |
| CN205926287U (en) | Jigging sieve | |
| CN107457069A (en) | A kind of recovery reducing mechanism of construction material | |
| CN107138387A (en) | A kind of broken Sand screen of construction | |
| CN107185827A (en) | A kind of vibratory sieve with automatically cleaning screen cloth | |
| CN206731515U (en) | One kind sieves husky system | |
| CN112892675A (en) | Grit grinding and screening device for building engineering construction | |
| CN102580814B (en) | Screening and crushing all-in-one machine | |
| CN214864000U (en) | Grit sieving mechanism is used in processing of cement pole | |
| CN208695580U (en) | A kind of construction sandstone screening plant | |
| CN106418619B (en) | The full-automatic secondary process robot of one boar food | |
| CN205628529U (en) | Engineering construction is with multi -functional high -efficient sieve sand device | |
| CN210545311U (en) | Crusher for producing corundum hollow spheres | |
| CN112371214A (en) | Double-vibration exciter vibration self-synchronizing crusher | |
| CN204247512U (en) | Whirling vibration screening machine | |
| CN104289432B (en) | A kind of efficient spin vibration sieve | |
| CN201692933U (en) | Large multilayer equal thickness vibration screen of ellipse tracks | |
| CN214974580U (en) | Building sand screening device with adjustable height | |
| CN213051488U (en) | Sand screening installation for building engineering | |
| CN101658840A (en) | Mobile trommel sieve | |
| CN107597574A (en) | A kind of construction site rough sand screening plant | |
| CN209238402U (en) | A kind of screening plant for the husky machine of mud point | |
| CN211274774U (en) | Gravel crushing mechanism for tubular pile |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20171103 |
|
| WW01 | Invention patent application withdrawn after publication |