CN111346809B - Civil engineering screening sand device with quick-opening mechanism - Google Patents
Civil engineering screening sand device with quick-opening mechanism Download PDFInfo
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- CN111346809B CN111346809B CN202010303562.9A CN202010303562A CN111346809B CN 111346809 B CN111346809 B CN 111346809B CN 202010303562 A CN202010303562 A CN 202010303562A CN 111346809 B CN111346809 B CN 111346809B
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- shaped
- sand screening
- sand
- rotary drums
- quick
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- 239000004576 sand Substances 0.000 title claims abstract description 72
- 238000012216 screening Methods 0.000 title claims abstract description 43
- 230000007246 mechanism Effects 0.000 title claims abstract description 42
- 239000000725 suspension Substances 0.000 claims abstract description 21
- 230000005540 biological transmission Effects 0.000 claims abstract description 18
- 238000009434 installation Methods 0.000 claims description 4
- 230000002457 bidirectional effect Effects 0.000 claims description 3
- 238000001914 filtration Methods 0.000 abstract description 4
- 238000000034 method Methods 0.000 description 8
- 238000007789 sealing Methods 0.000 description 7
- 239000012535 impurity Substances 0.000 description 3
- 238000007599 discharging Methods 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/18—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 discloses a civil engineering sand screening device with a quick-opening mechanism, which comprises a T-shaped suspension frame, rotary drums, a C-shaped screen plate, a lower T-shaped reverser, an upper T-shaped reverser, a transmission mechanism and a driving motor, wherein the rotary drums are positioned on two sides of an upper vertical plate of the T-shaped suspension frame and are coaxially distributed, and the C-shaped screen plate, the lower T-shaped reverser, the upper T-shaped reverser, the transmission mechanism and the driving motor are rotatably matched. According to the sand screening device, the T-shaped suspension frame is arranged, the two rotary drums are rotatably connected to the two sides of the T-shaped suspension frame, the rotating directions of the two rotary drums are opposite, the C-shaped sieve plates are rotatably connected in the rotation, the circumferential arc-shaped feed openings are formed in the periphery of the rotary drums, when the two C-shaped sieve plates are opened, the circumferential arc-shaped feed openings are plugged and opened through the quick opening mechanism formed by the upper T-shaped reverser and the transmission mechanism, when the two rotary drums are opened, the whole sand screening device rotates on a sand pile to collect sand by the two rotary drums, sand screening and filtering of the sand are realized after the two C-shaped sieve plates are closed, the sand can be directly screened on an engineering transport vehicle during sand screening, and the transportation after sand screening is convenient.
Description
Technical Field
The invention relates to the technical field of constructional engineering, in particular to a civil engineering sand screening device with a quick-opening mechanism.
Background
The sand screening process of the building engineering is generally a process of separating hard particle impurities in yellow sand or other sand stones by using a screen, the existing sand screening process is to convey raw materials into a sand screening device by means of an external conveying tool, then sand screening is carried out, impurities are poured backwards after sand screening, and screened sand needs to be loaded to an engineering transport vehicle by using an engineering shovel vehicle when being loaded and finally transported.
Therefore, the engineering equipment involved in the whole sand screening process is various, the existing sand screening device can only realize the action of impurity separation, and the matched equipment involved before and after sand screening is more, so that the cost investment is large and the resource waste is caused.
Accordingly, the present invention provides a civil engineering sand screening device having a quick-opening mechanism.
Disclosure of Invention
The invention aims to: the civil engineering sand screening device with the quick-opening mechanism is provided for solving the problems that the prior sand screening device needs a plurality of matched devices when screening sand, which causes resource waste and high cost.
In order to achieve the purpose, the invention adopts the following technical scheme:
a civil engineering sand screening device with a quick-opening mechanism comprises a T-shaped suspension frame, rotary drums, a C-shaped screen plate, a lower T-shaped reverser, an upper T-shaped reverser, a transmission mechanism and a driving motor, wherein the rotary drums are positioned on two sides of an upper vertical plate of the T-shaped suspension frame and are coaxially distributed, the C-shaped screen plate is positioned in the rotary drums and is in rotary fit with the rotary drums, the peripheral part of the rotary drums and the bottom of the rotary drums are provided with circumferential arc-shaped feed inlets which are uniformly distributed in the axial direction, two output shafts on the lower T-shaped reverser are fixedly connected with the adjacent ends of the two rotary drums, the transmission mechanism is symmetrically distributed and fixedly arranged at two ends of a transverse plate on the T-shaped suspension frame, one end of the C-shaped screen plate is fixedly provided with a connecting plate, one side of the connecting plate is fixedly provided with a driving shaft, the driving shaft penetrates through one end of the rotary drums and, the top of the transverse plate and the upper part of the upper T-shaped commutator are rotatably connected with a connector through a connecting frame.
As a further description of the above technical solution:
the outer periphery of the C-shaped sieve plate is fixedly connected with a sliding ring which is coaxially distributed, and the inner periphery of the rotary drum is provided with an annular groove which is in running fit with the sliding ring.
As a further description of the above technical solution:
the motor installation breach has been seted up on the riser, driving motor is two-way output structure and two outputs are connected with the clutch, driving motor passes through the clutch and is connected with T type commutator down and the input of last T type commutator.
As a further description of the above technical solution:
the transmission mechanism comprises a rectangular sealing pipe which is vertically distributed, a middle shaft which is positioned in the rectangular sealing pipe and is in rotary fit with the rectangular sealing pipe, and two rotating shafts which are positioned on one side of the rectangular sealing pipe, wherein one ends of the two rotating shafts are connected with the middle shaft through bevel gear combinations.
As a further description of the above technical solution:
and the inner surface wall of the C-shaped sieve plate is provided with guide plates which are axially and uniformly distributed.
As a further description of the above technical solution:
the bottom of riser is seted up with the groove of stepping down that the cooperation of T type commutator was used down, the one end of rotary drum is fixed to be provided with and runs through riser one side and stretch into the cooperation axle in the groove of stepping down.
As a further description of the above technical solution:
the top of connector is fixed and is provided with the link plate, the fixed side link plate that is provided with in one side of connector.
In summary, due to the adoption of the technical scheme, the invention has the beneficial effects that:
1. according to the sand screening device, the T-shaped suspension frame is arranged, the two rotary drums are rotatably connected to the two sides of the T-shaped suspension frame, the rotating directions of the two rotary drums are opposite, the C-shaped sieve plates are rotatably connected in the rotation, the circumferential arc-shaped feed openings are formed in the periphery of the rotary drums, when the two C-shaped sieve plates are opened, the circumferential arc-shaped feed openings are plugged and opened through the quick opening mechanism formed by the upper T-shaped reverser and the transmission mechanism, when the two rotary drums are opened, the whole sand screening device rotates on a sand pile to collect sand by the two rotary drums, sand screening and filtering of the sand are realized after the two C-shaped sieve plates are closed, the sand can be directly screened on an engineering transport vehicle during sand screening, and the transportation after sand screening is convenient.
2. In the invention, the vertical plate is provided with a motor installation gap, the driving motor is of a bidirectional output structure, two output ends of the driving motor are connected with the clutches, the driving motor is connected with the input ends of the lower T-shaped commutator and the upper T-shaped commutator through the clutches, so that the driving motor realizes the rotation control of the rotary drums and the C-shaped sieve plate through the two clutches, and the driving motor, the clutches, the upper T-shaped commutator and the lower T-shaped commutator are all positioned at the central position between the two rotary drums, the gravity center is stable, the integral weight can be greatly reduced by the control of a single driving motor, and the driving motor is convenient to be connected and matched with an excavator.
3. In the invention, the guide plates which are uniformly distributed in the axial direction are arranged on the inner surface wall of the C-shaped sieve plate, the section of the guide plate of the C-shaped sieve plate can be a V shape, the guide plates are convenient for discharging sand in the rotating process of the rotating drum, and the left sand can not be discharged in the rotating drum.
Drawings
FIG. 1 is a schematic structural view of the integral combination of a T-shaped suspension bracket, a rotary drum, a C-shaped sieve plate and a driving motor of a civil engineering sand screening device with a quick-opening mechanism, which is provided by the invention;
FIG. 2 is a schematic view showing the structure of a C-shaped sieve plate and a revolving drum of a civil engineering sand screening device with a quick-opening mechanism according to the present invention;
FIG. 3 is a schematic structural view of a C-shaped screen deck of a civil engineering sand screening device with a quick-opening mechanism according to the present invention;
FIG. 4 is a schematic structural view of a T-shaped suspension bracket of a civil engineering sand screening device with a quick-opening mechanism according to the present invention;
fig. 5 is a schematic structural diagram in section of a transmission mechanism of a civil engineering sand screening device with a quick-opening mechanism, which is provided by the invention.
Illustration of the drawings:
1. a T-shaped suspension bracket; 11. a vertical plate; 111. a motor mounting notch; 112. a yielding groove; 12. a transverse plate; 121. a connecting frame; 122. a connector; 1221. hanging the plate; 1222. side hanging plates; 3. a rotating drum; 31. a circumferential arc feed port; 32. an annular groove; 33. a mating shaft; 32. an annular groove; 4. c-shaped sieve plates; 41. a connecting plate; 411. a drive shaft; 42. a baffle; 43. a slip ring; 5. a lower T-shaped commutator; 6. an upper T-shaped commutator; 7. a transmission mechanism; 71. rectangular tube sealing; 72. an intermediate shaft; 73. a rotating shaft; 8. a drive motor; 9. a clutch.
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
Referring to fig. 1-5, a civil engineering sand screening device with a quick-opening mechanism comprises a T-shaped suspension bracket 1, rotary drums 3 which are coaxially distributed on two sides of an upper vertical plate 11 of the T-shaped suspension bracket 1, a C-shaped screen plate 4 which is positioned on the rotary drums 3 and is in rotary fit with the rotary drums 3, a lower T-shaped reverser 5, an upper T-shaped reverser 6, a transmission mechanism 7 and a driving motor 8, wherein the T-shaped suspension bracket 1 is used for being connected with external hoisting equipment, the two rotary drums 3 are in rotary fit with the vertical plate 11, specifically, a yielding groove 112 which is used in cooperation with the lower T-shaped reverser 5 is arranged at the bottom of the vertical plate 11, a matching shaft 33 which penetrates through one side of the vertical plate 11 and extends into the yielding groove 112 is fixedly arranged at one end of the rotary drum 3, two output shafts on the lower T-shaped reverser 5 are fixedly connected with adjacent ends of the two rotary drums 3, specifically, when two output ends of the lower T-shaped, the two rotary drums 3 roll reversely, so that after the two rotary drums 3 are placed on the sand pile, the T-shaped suspension bracket 1 is in an in-situ rotating state, the circumferential arc-shaped feed openings 31 which are uniformly distributed in the axial direction are formed in the periphery and the bottom of the rotary drum 3, sand on the sand pile enters the rotary drum 3 through the circumferential arc-shaped feed openings 31 in the rotating process of the two rotary drums, and extraction and collection of the sand are realized; the transmission mechanisms 7 are symmetrically distributed and fixedly arranged at two ends of a transverse plate 12 on the T-shaped suspension frame 1, one end of the C-shaped sieve plate 4 is fixedly provided with a connecting plate 41, one side of the connecting plate 41 is fixedly provided with a driving shaft 411, the driving shaft 411 penetrates through one end of the rotary drum 3 and is fixedly connected with an output shaft at one side of the transmission mechanism 7, the upper T-shaped reverser 6 is arranged at the upper part of the transverse plate 12, an output end on the upper T-shaped reverser 6 is fixedly connected with input ends at one side of the two transmission mechanisms 7, wherein the transmission mechanism 7 comprises a vertically distributed rectangular sealing pipe 71, a middle shaft 72 which is positioned at one side of the rectangular sealing pipe 71 and is in rotating fit with the middle shaft 72, and one ends of the two rotating shafts 73 are connected with the middle shaft 72 through a bevel gear combination, so that the output end of the upper T-shaped, as for the way of rotationally matching the C-shaped sieve plate 4 with the rotary drum 3, a sliding ring 43 which is coaxially distributed is fixedly connected to the outer periphery of the C-shaped sieve plate 4, an annular groove 32 which is rotationally matched with the sliding ring 43 is formed in the inner periphery of the rotary drum 3, so that the C-shaped sieve plate 4 rotates to seal the circumferential arc-shaped feed opening 31, the top of the transverse plate 12 and the upper part of the upper T-shaped reverser 6 are rotationally connected with a connecting head 122 through a connecting frame 121, the connecting head 122 is connected with a lifting beam of an external engineering machine, an upper hanging plate 1221 is fixedly arranged at the top of the connecting head 122, a side hanging plate 1222 is fixedly arranged at one side of the connecting head 122, the engineering machine can adopt an excavator, and an excavator; from this, after rotary drum 3 accomplished dress husky, control engineering machine tool and promote connector 122, remove this device to engineering transport vechicle top, then control down T type commutator 5 rotates, the upset of two rotary drums 3, the sand sees through C type sieve 4 filtration and circumference arc feed inlet 31 in the in-process that rolls, then control C type sieve 4 is rotatory, can discharge the filter residue, can carry out next time from this and get husky, sieve husky and fall husky function.
Example 2
Please refer to fig. 4, the difference from embodiment 1 is that a vertical plate 11 is provided with a motor installation notch 111, a driving motor 8 has a bidirectional output structure, two output ends of the driving motor are connected with clutches 9, the driving motor 8 is connected with the input ends of a lower T-shaped commutator 5 and an upper T-shaped commutator 6 through the clutches 9, so that the driving motor 8 realizes the rotation control of the rotary drums 3 and the C-shaped sieve plates 4 through the two clutches 9, and the driving motor 8, the clutches 9, the upper T-shaped commutator 6 and the lower T-shaped commutator 5 are all located at the central position between the two rotary drums 3, the center of gravity is stable, the control of a single driving motor 8 can greatly reduce the overall weight, and the connection and matching with the excavator are convenient.
Example 3
Referring to fig. 3, the difference from embodiment 1 is that the guide plates 42 are uniformly distributed in the axial direction on the inner surface wall of the C-shaped sieve plate 4, the cross section of the guide plate 42 of the C-shaped sieve can be a V-shape, so that the guide plate 42 is convenient for discharging sand during the rotation of the rotating drum 3, and no sand left in the rotating drum 3 is discharged.
Before use, the connector 122 on the T-shaped suspension bracket 1 is connected with a cantilever beam on an engineering vehicle, then the driving motor 8 and the clutch 9 are connected with an external control electric box, the control electric box controls the starting of the driving motor 8 and the opening and closing of the clutch 9, when in use, the engineering machine is operated to place the sand screening device above a sand pile to be screened, the driving motor 8 is controlled to be started, one clutch 9 positioned at the upper part of the driving motor 8 is controlled to be switched on, the upper T-shaped commutator 6 drives the openings of the C-shaped sieve plates 4 positioned in the two rotary drums 3 to face downwards through the two transmission mechanisms 7, then the engineering machine is controlled to descend to be contacted with the sand pile, the driving motor 8 is controlled to be started, the clutch 9 positioned at the lower part of the driving motor 8 is communicated, therefore, the two rotary drums 3 can be driven to rotate in opposite rotating directions and rotate and roll on the sand pile, two rotary drums 3 are at the in-process that rotates around connector 122, two rotary drums 3 utilize circumference arc feed inlet 31 to collect the sand on the sand heap, after collecting a certain amount of sand of sword, and circumference arc feed inlet 31 on the control rotary drum 3 is located upper portion, then promote whole screening sand device and remove to the upper portion of engineering transport vechicle, two clutches 9 of control switch-on simultaneously this moment, and starter motor, driving motor 8 drives two rotary drums 3 and is located the C type sieve 4 synchronous rotation of rotary drum 3, the sand in it rolls and filters, and fall into the engineering transport vechicle through C type sieve 4 filtration and circumference arc feed inlet 31, the realization is got the sand, the integration operation of screening sand and row sand.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (7)
1. A civil engineering sand screening device with a quick-opening mechanism is characterized by comprising a T-shaped suspension frame (1), rotary drums (3) which are positioned on two sides of an upper vertical plate (11) of the T-shaped suspension frame (1) and are coaxially distributed, a C-shaped sieve plate (4) which is positioned on the rotary drums (3) and is in rotary fit with the rotary drums, a lower T-shaped commutator (5), an upper T-shaped commutator (6), a transmission mechanism (7) and a driving motor (8), wherein the periphery of each rotary drum (3) is provided with circumferential arc-shaped feed inlets (31) which are axially and uniformly distributed at the bottom, two output shafts on the lower T-shaped commutator (5) are fixedly connected with adjacent ends of the two rotary drums (3), the transmission mechanisms (7) are symmetrically distributed and fixedly arranged at two ends of a transverse plate (12) on the T-shaped suspension frame (1), and one end of the C-shaped sieve plate (4) is fixedly provided with, one side of connecting plate (41) is fixed sets up drive shaft (411), and this drive shaft (411) pass rotary drum (3) one end and with the output shaft fixed connection of drive mechanism (7) one side, go up output and the input fixed connection of two drive mechanism (7) one side on T type commutator (6) set up on the upper portion of diaphragm (12), the top of diaphragm (12) just is located the upper portion of last T type commutator (6) and rotates through link (121) and is connected with connector (122).
2. Civil engineering sand screening device with quick-opening mechanism according to claim 1, characterized in that the outer periphery of the C-shaped screen plate (4) is fixedly connected with a coaxially distributed sliding ring (43), and the inner periphery of the revolving drum (3) is provided with an annular groove (32) which is rotatably matched with the sliding ring (43).
3. The civil engineering sand screening device with the quick opening mechanism is characterized in that a motor installation notch (111) is formed in the vertical plate (11), the driving motor (8) is of a bidirectional output structure, two output ends of the driving motor are connected with clutches (9), and the driving motor (8) is connected with input ends of the lower T-shaped reverser (5) and the upper T-shaped reverser (6) through the clutches (9).
4. Civil engineering sand screening device with quick-opening mechanism according to claim 1, characterized in that the transmission mechanism (7) comprises a rectangular sealed pipe (71) distributed vertically, a middle shaft (72) which is rotationally fitted in the rectangular sealed pipe (71), and two rotating shafts (73) which are arranged on one side of the rectangular sealed pipe (71), wherein one ends of the two rotating shafts (73) are connected with the middle shaft (72) through a bevel gear combination.
5. Civil engineering sand screening device with quick opening mechanism according to claim 1, characterized in that the inner surface wall of the C-shaped screen deck (4) is provided with flow deflectors (42) evenly distributed in the axial direction.
6. The civil engineering sand screening device with the quick opening mechanism is characterized in that the bottom of the vertical plate (11) is provided with a yielding groove (112) matched with the lower T-shaped reverser (5) for use, and one end of the rotary drum (3) is fixedly provided with a matching shaft (33) which penetrates through one side of the vertical plate (11) and extends into the yielding groove (112).
7. Civil engineering sand screening device with quick-opening mechanism according to claim 1, characterized in that the top of connector (122) is fixedly provided with an upper hanging plate (1221), and one side of connector (122) is fixedly provided with a side hanging plate (1222).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010303562.9A CN111346809B (en) | 2020-04-17 | 2020-04-17 | Civil engineering screening sand device with quick-opening mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010303562.9A CN111346809B (en) | 2020-04-17 | 2020-04-17 | Civil engineering screening sand device with quick-opening mechanism |
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| Publication Number | Publication Date |
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| CN111346809A CN111346809A (en) | 2020-06-30 |
| CN111346809B true CN111346809B (en) | 2021-06-04 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010303562.9A Expired - Fee Related CN111346809B (en) | 2020-04-17 | 2020-04-17 | Civil engineering screening sand device with quick-opening mechanism |
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| CN113083657B (en) * | 2021-03-30 | 2023-09-01 | 南京合工流体科技有限公司 | Sand biological searching device |
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|---|---|---|---|---|
| US5373948A (en) * | 1992-09-16 | 1994-12-20 | Nippon Jiryoku Senko, Co., Ltd. | Device for separating long-size materials |
| CN206549967U (en) * | 2017-02-26 | 2017-10-13 | 山东科技大学 | It is a kind of to adjust the Novel cylinder round sifter of lower material granularity |
| CN206794100U (en) * | 2017-06-09 | 2017-12-26 | 山东省农作物种质资源中心 | The soybean screening plant of variable screening diameter |
| CN208082585U (en) * | 2017-12-26 | 2018-11-13 | 河北丹路生物工程有限公司 | Organic fertilizer grinding bolting mill |
| CN208627750U (en) * | 2018-07-26 | 2019-03-22 | 王薇 | The telescopic screening plant in agriculture gardens |
| CN210159689U (en) * | 2019-06-24 | 2020-03-20 | 湖北枝江峡江矿山机械有限责任公司 | Adjustable sieve plate for heavy hammer crusher |
-
2020
- 2020-04-17 CN CN202010303562.9A patent/CN111346809B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5373948A (en) * | 1992-09-16 | 1994-12-20 | Nippon Jiryoku Senko, Co., Ltd. | Device for separating long-size materials |
| CN206549967U (en) * | 2017-02-26 | 2017-10-13 | 山东科技大学 | It is a kind of to adjust the Novel cylinder round sifter of lower material granularity |
| CN206794100U (en) * | 2017-06-09 | 2017-12-26 | 山东省农作物种质资源中心 | The soybean screening plant of variable screening diameter |
| CN208082585U (en) * | 2017-12-26 | 2018-11-13 | 河北丹路生物工程有限公司 | Organic fertilizer grinding bolting mill |
| CN208627750U (en) * | 2018-07-26 | 2019-03-22 | 王薇 | The telescopic screening plant in agriculture gardens |
| CN210159689U (en) * | 2019-06-24 | 2020-03-20 | 湖北枝江峡江矿山机械有限责任公司 | Adjustable sieve plate for heavy hammer crusher |
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