CA2977286C - Modular variable-span variable-amplitude large-size vibrating screen - Google Patents
Modular variable-span variable-amplitude large-size vibrating screen Download PDFInfo
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- CA2977286C CA2977286C CA2977286A CA2977286A CA2977286C CA 2977286 C CA2977286 C CA 2977286C CA 2977286 A CA2977286 A CA 2977286A CA 2977286 A CA2977286 A CA 2977286A CA 2977286 C CA2977286 C CA 2977286C
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- screen box
- screen
- excitation
- variable
- support frames
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- 230000005284 excitation Effects 0.000 claims abstract description 57
- 230000007246 mechanism Effects 0.000 claims abstract description 10
- 239000000463 material Substances 0.000 claims description 26
- 238000007599 discharging Methods 0.000 claims description 15
- 238000013016 damping Methods 0.000 claims description 4
- 238000012216 screening Methods 0.000 abstract description 6
- 238000009434 installation Methods 0.000 abstract description 2
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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
Landscapes
- Combined Means For Separation Of Solids (AREA)
Abstract
The present invention discloses a modular variable-span variable-amplitude large-size vibrating screen, comprising a screen box, excitation beams arranged on the screen box, excitation motors mounted on the excitation beams, and support frames arranged on the lower part of the screen box, wherein, the screen box comprises two screen box side plates arranged opposite to each other, a screen surface is fixed to the lower ends of the screen box side plates, horizontal clamp slots are formed in the screen box side plates, two excitation beams are arranged between the two screen box side plates, the two ends of each excitation beam are provided with vertical clamp slots, and adjusting bolts are inserted into the horizontal clamp slots and the vertical clamp slots, to fix the excitation beams to the screen box side plates; at least two groups of support frames are arranged at intervals along the longitudinal direction of the screen box, the support frames are provided with support frame height adjusting structures, and a support frame span adjusting mechanism is disposed between the two adjacent groups of support frames. The vibrating screen provided in the present invention employs a modular installation scheme and is easy to remove and service, the inclination angle of the screen surface, the span of the excitation motors, the magnitude of excitation force, and the position of the excitation force in relation to the centroid of the screen box can be conveniently adjusted, and the screening accuracy can be improved.
Description
Description Modular Variable-Span Variable-Amplitude Large-Size Vibrating Screen Field of the Invention The present invention relates to screening machinery, in particular to a modular variable-span variable-amplitude large-size vibrating screen.
Background of the Invention Material grading apparatuses are often used in engineering fields. Common material grading apparatuses include: apparatuses that utilize gravity as the grading power, represented by screw graders, mechanical agitating hydraulic graders, and Yunxi-type hydraulic grading boxes, etc.; though these apparatuses are simple in structure, they usually have large footprints, and are inconvenient to install, remove, and service; apparatuses that utilize centrifugal force as the grading power, represented by hydrocyclones, which have an advantage of high processing capacity, but has high requirements for material granularity, and may be worn and clogged easily; and vibrating screens that utilize the vibration of the screen to drive the material to jump and thereby accomplishing layered screening and grading of the material by gap filling; these vibrating screens are widely applied in the material grading work in coal preparation plants, are mainly represented by linear vibrating screens.
In different application states in actual production, linear vibrating screens have some drawbacks and may produce some problems, which may even affect the normal production.
Existing vibrating screens have high structural integrity, are difficult to disassemble and to reassemble, to replace parts and components, and to service; when unbalanced excitation force is required or different amplitudes are required at different positions of the screen surface in actual production, the spans of the excitation motors on existing vibrating screens or the positions of the motors in relation to the centroid of the screen boxes cannot be adjusted, since the excitation motors are fixed to screen box side plates via excitation beams;
consequently, the existing vibrating screens cannot meet the requirement for unbalanced excitation force; since the mechanisms are fixed and the vibration dainping components are fixed by welding in existing vibrating screens, it is inconvenient to adjust the inclination angle of the screen surface.
Contents of the Invention Object of the invention: to solve the technical problems in existing linear vibrating screens in the prior art, the present invention provides a modular variable-span variable-amplitude large-size vibrating screen, which has a compact structure, and can maintain structural stability while meeting the requirements under different operating conditions;
with the vibrating screen provided in the present invention, the inclination angle of screen surface, the span of excitation motors, the magnitude of excitation force, and the position of excitation force in relation to the centroid of the screen box can be adjusted conveniently, and the screening accuracy can be improved. In addition, the vibrating screen employs a modular installation scheme, is easy to remove and service, and has low power consumption.
To attain the object described above, the present invention employs the following technical scheme: A modular variable-span variable-amplitude large-size vibrating screen, comprising a screen box, excitation beams arranged on the screen box, excitation motors mounted on the excitation beams, and support frames arranged on the lower part of the screen box, wherein, the screen box comprises two screen box side plates arranged opposite to each other, a screen surface is fixed to the lower ends of the screen box side plates, horizontal clamp slots are formed on the screen box side plates, two excitation beams are arranged between the two screen box side plates, the two ends of each excitation beam are provided with vertical clamp slots, and adjusting bolts are inserted into the horizontal clamp slots and the vertical clamp slots, to fix the excitation beams to the screen box side plates; at least two groups of support frames are arranged at intervals along the longitudinal direction of the screen box, the support frames are provided with support frame height adjusting structures, and a support frame span adjusting mechanism is disposed between two adjacent groups of support frames.
Furthermore, one of the two excitation beams is close to a material feeding end of the screen box, and the other one of the two excitation beams is close to a discharging end of the screen box.
Furthermore, both the material feeding end and the discharging end of the screen box are provided with stiffening beams, and the two ends of the stiffening beams are fixed by lock bolts to the screen box side plates.
Furthermore, there are two groups of support frames, wherein, one group of support frames are disposed at the material feeding end of the screen box, and the other group of support frames are disposed at the discharging end of the screen box.
Furthermore, the frame height adjusting structure comprises support frame upward adjusting blocks and support frame downward adjusting blocks, the top surfaces of the support frame downward adjusting blocks and the bottom surfaces of the upward support frame adjusting blocks are provided with vertical threaded holes, and the support frames are provided with male threads matching with the vertical threaded holes: the support frame span adjusting mechanism comprises adjusting screw rod, and the sides of the support frame downward adjusting blocks are provided with horizontal threaded holes matching with the adjusting screw rod.
Furthermore, damping springs are provided between the screen box and the support frames.
Beneficial effects: (I) all the parts and components are in modular structures, and adjacent modules are clamped and fixed together by bolts; (2) the spans of the excitation beams can be adjusted by altering the spacing between two excitation beams; (3) the magnitude of the excitation force can be adjusted by adjusting the included angles between the eccentric blocks in the excitation motors, and thereby the amplitudes at the material feeding end and the discharging end can be adjusted; (4) the positions of the excitation motors in relations to the centroid of the screen box can be changed by adjusting the positions and elevations of the two excitation beams; (5) the inclination angle of the screen surface can be adjusted by adjusting the frame height adjusting structures and support frame span adjusting mechanisms of the support frames at the material feeding end and the discharging end respectively.
Background of the Invention Material grading apparatuses are often used in engineering fields. Common material grading apparatuses include: apparatuses that utilize gravity as the grading power, represented by screw graders, mechanical agitating hydraulic graders, and Yunxi-type hydraulic grading boxes, etc.; though these apparatuses are simple in structure, they usually have large footprints, and are inconvenient to install, remove, and service; apparatuses that utilize centrifugal force as the grading power, represented by hydrocyclones, which have an advantage of high processing capacity, but has high requirements for material granularity, and may be worn and clogged easily; and vibrating screens that utilize the vibration of the screen to drive the material to jump and thereby accomplishing layered screening and grading of the material by gap filling; these vibrating screens are widely applied in the material grading work in coal preparation plants, are mainly represented by linear vibrating screens.
In different application states in actual production, linear vibrating screens have some drawbacks and may produce some problems, which may even affect the normal production.
Existing vibrating screens have high structural integrity, are difficult to disassemble and to reassemble, to replace parts and components, and to service; when unbalanced excitation force is required or different amplitudes are required at different positions of the screen surface in actual production, the spans of the excitation motors on existing vibrating screens or the positions of the motors in relation to the centroid of the screen boxes cannot be adjusted, since the excitation motors are fixed to screen box side plates via excitation beams;
consequently, the existing vibrating screens cannot meet the requirement for unbalanced excitation force; since the mechanisms are fixed and the vibration dainping components are fixed by welding in existing vibrating screens, it is inconvenient to adjust the inclination angle of the screen surface.
Contents of the Invention Object of the invention: to solve the technical problems in existing linear vibrating screens in the prior art, the present invention provides a modular variable-span variable-amplitude large-size vibrating screen, which has a compact structure, and can maintain structural stability while meeting the requirements under different operating conditions;
with the vibrating screen provided in the present invention, the inclination angle of screen surface, the span of excitation motors, the magnitude of excitation force, and the position of excitation force in relation to the centroid of the screen box can be adjusted conveniently, and the screening accuracy can be improved. In addition, the vibrating screen employs a modular installation scheme, is easy to remove and service, and has low power consumption.
To attain the object described above, the present invention employs the following technical scheme: A modular variable-span variable-amplitude large-size vibrating screen, comprising a screen box, excitation beams arranged on the screen box, excitation motors mounted on the excitation beams, and support frames arranged on the lower part of the screen box, wherein, the screen box comprises two screen box side plates arranged opposite to each other, a screen surface is fixed to the lower ends of the screen box side plates, horizontal clamp slots are formed on the screen box side plates, two excitation beams are arranged between the two screen box side plates, the two ends of each excitation beam are provided with vertical clamp slots, and adjusting bolts are inserted into the horizontal clamp slots and the vertical clamp slots, to fix the excitation beams to the screen box side plates; at least two groups of support frames are arranged at intervals along the longitudinal direction of the screen box, the support frames are provided with support frame height adjusting structures, and a support frame span adjusting mechanism is disposed between two adjacent groups of support frames.
Furthermore, one of the two excitation beams is close to a material feeding end of the screen box, and the other one of the two excitation beams is close to a discharging end of the screen box.
Furthermore, both the material feeding end and the discharging end of the screen box are provided with stiffening beams, and the two ends of the stiffening beams are fixed by lock bolts to the screen box side plates.
Furthermore, there are two groups of support frames, wherein, one group of support frames are disposed at the material feeding end of the screen box, and the other group of support frames are disposed at the discharging end of the screen box.
Furthermore, the frame height adjusting structure comprises support frame upward adjusting blocks and support frame downward adjusting blocks, the top surfaces of the support frame downward adjusting blocks and the bottom surfaces of the upward support frame adjusting blocks are provided with vertical threaded holes, and the support frames are provided with male threads matching with the vertical threaded holes: the support frame span adjusting mechanism comprises adjusting screw rod, and the sides of the support frame downward adjusting blocks are provided with horizontal threaded holes matching with the adjusting screw rod.
Furthermore, damping springs are provided between the screen box and the support frames.
Beneficial effects: (I) all the parts and components are in modular structures, and adjacent modules are clamped and fixed together by bolts; (2) the spans of the excitation beams can be adjusted by altering the spacing between two excitation beams; (3) the magnitude of the excitation force can be adjusted by adjusting the included angles between the eccentric blocks in the excitation motors, and thereby the amplitudes at the material feeding end and the discharging end can be adjusted; (4) the positions of the excitation motors in relations to the centroid of the screen box can be changed by adjusting the positions and elevations of the two excitation beams; (5) the inclination angle of the screen surface can be adjusted by adjusting the frame height adjusting structures and support frame span adjusting mechanisms of the support frames at the material feeding end and the discharging end respectively.
2 Description of the Drawings Fig. 1 is a front view of the vibrating screen according to the present invention;
Fig. 2 is a left view of the vibrating screen according to the present invention;
Fig. 3 is a top view of the vibrating screen according to the present invention;
Fig. 4 is an isometric view of the vibrating screen according to the present invention.
In the figures: 1 - screen box; 1-1 - screen box side plate; 2 - excitation motor; 3 -excitation beam; 4 - stiffening beam; 5 - support frame; 6 - material feeding end; 7 -screen surface; 8 - discharging end; 9 - adjusting bolt; 10 - adjusting screw rod; 11 -horizontal clamp slot; 12 - vertical clamp slot; 13 - support frame downward adjusting block; 14 - support frame upward adjusting block; 15 - damping spring Detailed Description of the Embodiments Hereunder the present invention will be further detailed, with reference to the accompanying drawings.
As shown in Figs. 1-4, the modular variable-span variable-amplitude large-size vibrating screen provided in the present invention comprises a screen box I, which comprises two screen box side plates 1-1 arranged opposite to each other, and a screen surface 7 fixed to the lower ends of the screen box side plates 1-1, the screen box side plates 1-1 and the screen surface 7 constitute a main structure of the screen box 1, one end of the screen box 1 is a material feeding end 6, and the other end of the screen box 1 is a discharging end 8.
The screen box side plates I-1 are provided with horizontal clamp slots 11, two excitation beams 3 are arranged between the two screen box side plates 1-1, wherein, one of the two excitation beams 3 is close to the material feeding end 6 of the screen box I, while the other one of the two excitation beams 3 is close to the discharging end 8 of the screen box 1. The two ends of each excitation beam 3 are provided with vertical clamp slots 12, adjusting bolts 9 are inserted into the horizontal clamp slots 11 and the vertical clamp slots 12 to fix the excitation beams 3 to the screen box side plates 1-1, and excitation motors 2 are mounted on the excitation beams 3. To ensure the overall strength of the screen box 1, both the material feeding end 6 and the discharging end 8 of the screen box I are provided with stiffening beams 4, and the two ends of the stiffening beams 4 are fixed by lock bolts to the screen box side plates 1-1.
Two groups of support frames 5 are arranged on the lower part of the screen box l, wherein, one group of support frames 5 are disposed at the material feeding end 6 of the screen box 1, and the other group of support frames 5 are disposed at the discharging end 8 of the screen box 1. The support frames 5 are provided with frame height adjusting structures, and a support frame span adjusting mechanism is provided between two adjacent groups of support frames 5. The frame height adjusting structure comprises support frame upward adjusting blocks 14 and support frame downward adjusting blocks 13, the top surfaces of the support frame downward adjusting blocks 13 and the bottom surfaces of the support frame upward adjusting blocks 14 are provided with vertical threaded holes, the support frames 5 are provided with male threads matching with the vertical threaded holes, and the upper and lower ends of the support frames (5) are screwed into the vertical threaded holes. The support
Fig. 2 is a left view of the vibrating screen according to the present invention;
Fig. 3 is a top view of the vibrating screen according to the present invention;
Fig. 4 is an isometric view of the vibrating screen according to the present invention.
In the figures: 1 - screen box; 1-1 - screen box side plate; 2 - excitation motor; 3 -excitation beam; 4 - stiffening beam; 5 - support frame; 6 - material feeding end; 7 -screen surface; 8 - discharging end; 9 - adjusting bolt; 10 - adjusting screw rod; 11 -horizontal clamp slot; 12 - vertical clamp slot; 13 - support frame downward adjusting block; 14 - support frame upward adjusting block; 15 - damping spring Detailed Description of the Embodiments Hereunder the present invention will be further detailed, with reference to the accompanying drawings.
As shown in Figs. 1-4, the modular variable-span variable-amplitude large-size vibrating screen provided in the present invention comprises a screen box I, which comprises two screen box side plates 1-1 arranged opposite to each other, and a screen surface 7 fixed to the lower ends of the screen box side plates 1-1, the screen box side plates 1-1 and the screen surface 7 constitute a main structure of the screen box 1, one end of the screen box 1 is a material feeding end 6, and the other end of the screen box 1 is a discharging end 8.
The screen box side plates I-1 are provided with horizontal clamp slots 11, two excitation beams 3 are arranged between the two screen box side plates 1-1, wherein, one of the two excitation beams 3 is close to the material feeding end 6 of the screen box I, while the other one of the two excitation beams 3 is close to the discharging end 8 of the screen box 1. The two ends of each excitation beam 3 are provided with vertical clamp slots 12, adjusting bolts 9 are inserted into the horizontal clamp slots 11 and the vertical clamp slots 12 to fix the excitation beams 3 to the screen box side plates 1-1, and excitation motors 2 are mounted on the excitation beams 3. To ensure the overall strength of the screen box 1, both the material feeding end 6 and the discharging end 8 of the screen box I are provided with stiffening beams 4, and the two ends of the stiffening beams 4 are fixed by lock bolts to the screen box side plates 1-1.
Two groups of support frames 5 are arranged on the lower part of the screen box l, wherein, one group of support frames 5 are disposed at the material feeding end 6 of the screen box 1, and the other group of support frames 5 are disposed at the discharging end 8 of the screen box 1. The support frames 5 are provided with frame height adjusting structures, and a support frame span adjusting mechanism is provided between two adjacent groups of support frames 5. The frame height adjusting structure comprises support frame upward adjusting blocks 14 and support frame downward adjusting blocks 13, the top surfaces of the support frame downward adjusting blocks 13 and the bottom surfaces of the support frame upward adjusting blocks 14 are provided with vertical threaded holes, the support frames 5 are provided with male threads matching with the vertical threaded holes, and the upper and lower ends of the support frames (5) are screwed into the vertical threaded holes. The support
3 frame span adjusting mechanism comprises adjusting screw rod 10, the sides of the support frame downward adjusting blocks 13 are provided with horizontal threaded holes matching with the adjusting screw rod 10, and the two ends of the adjusting screw rod 10 are screwed into the horizontal threaded holes. The elevation of the support frame 5 can be adjusted by turning the support frame 5, and the spacing between two groups of support frames 5 can be adjusted by turning the adjusting screw rod 10. To improve the self-stability of the screen box 1, damping springs 15 are arranged between the screen box 1 and the support frames 5.
When the vibrating screen operates, the screen box 1 is driven by the excitation motors 2 to vibrate, and the material is fed via the material feeding end 6 to the screen surface 7 and is screened there; after the screening, the coarse-grained material is discharged via the discharging end 8, while the fine-grained material penetrates the screen surface 7 to the bottom, and is taken as a fine-grained product. The excitation motors 2 fixed to the excitation beams 3 are the key component for material screening by gap filling. The included angles between the eccentric blocks in the excitation motors 2 close to the material feeding end 6 and the discharging end 8 can be adjusted to change the magnitude of the excitation force according to requirements. The excitation beams 3 are clamped and fixed to the screen box side plates 1-1 by the adjusting bolts 9. The adjusting bolts 9 can be driven to slide in the horizontal clamp slots 11, so as to change the span between two excitation motors 2 within a range. The clamping bolts can be driven to slide in the vertical clamp slots 12, so as to change the elevations of the two excitation motors in the vertical direction, and thereby change the position of the excitation force in relation to the centroid of the screen box 1, to meet the requirement for unbalanced excitation force. Usually there is an included angle between the screen surface 7 and the horizontal plane. The elevations of the two groups of support frames can be adjusted respectively by means of the frame height adjusting structures on the support frames 5 at the material feeding end and the discharge end, so as to obtain different inclination angles. To adjust the inclination angle of the screen surface 7, the support frame span adjusting mechanisms should be adjusted at the same time, so that the two groups of support frames 5 reach a static equilibrium state.
While the present invention has been illustrated and described with reference to some preferred embodiments, the present invention is not limited to these. Those skilled in the art should recognize that various variations and modifications can be made without departing from the spirit and scope of the present invention. All of such variations and modifications shall be deemed as falling into the protected scope of the present invention.
When the vibrating screen operates, the screen box 1 is driven by the excitation motors 2 to vibrate, and the material is fed via the material feeding end 6 to the screen surface 7 and is screened there; after the screening, the coarse-grained material is discharged via the discharging end 8, while the fine-grained material penetrates the screen surface 7 to the bottom, and is taken as a fine-grained product. The excitation motors 2 fixed to the excitation beams 3 are the key component for material screening by gap filling. The included angles between the eccentric blocks in the excitation motors 2 close to the material feeding end 6 and the discharging end 8 can be adjusted to change the magnitude of the excitation force according to requirements. The excitation beams 3 are clamped and fixed to the screen box side plates 1-1 by the adjusting bolts 9. The adjusting bolts 9 can be driven to slide in the horizontal clamp slots 11, so as to change the span between two excitation motors 2 within a range. The clamping bolts can be driven to slide in the vertical clamp slots 12, so as to change the elevations of the two excitation motors in the vertical direction, and thereby change the position of the excitation force in relation to the centroid of the screen box 1, to meet the requirement for unbalanced excitation force. Usually there is an included angle between the screen surface 7 and the horizontal plane. The elevations of the two groups of support frames can be adjusted respectively by means of the frame height adjusting structures on the support frames 5 at the material feeding end and the discharge end, so as to obtain different inclination angles. To adjust the inclination angle of the screen surface 7, the support frame span adjusting mechanisms should be adjusted at the same time, so that the two groups of support frames 5 reach a static equilibrium state.
While the present invention has been illustrated and described with reference to some preferred embodiments, the present invention is not limited to these. Those skilled in the art should recognize that various variations and modifications can be made without departing from the spirit and scope of the present invention. All of such variations and modifications shall be deemed as falling into the protected scope of the present invention.
4
Claims (6)
1. A modular variable-span variable-amplitude vibrating screen, comprising a screen box ( 1), excitation beams (3) arranged on the screen box (1), excitation motors (2) mounted on the excitation beams (3), and support frames (5) arranged on a lower part of the screen box (1), wherein, the screen box (1) comprises two screen box side plates (1-1) arranged opposite to each other, a screen surface (7) is fixed to lower ends of the screen box side plates (1-1), horizontal clamp slots (11) are formed in the screen box side plates (1-1), two excitation beams (3) are arranged between the two screen box side plates (1-1), two ends of each excitation beam (3) are provided with vertical clamp slots (12), and adjusting bolts (9) are inserted into the horizontal clamp slots (11) and the vertical clamp slots (12), to fix the excitation beams (3) to the screen box side plates (1-1); at least two groups of support frames (5) are arranged at intervals along the longitudinal direction of the screen box (1), the support frames (5) are provided with support frame height adjusting structures, and a support frame span adjusting mechanism is disposed between two adjacent groups of support frames (5).
2. The modular variable-span variable-amplitude vibrating screen according to claim 1, wherein, one of the two excitation beams (3) is close to a material feeding end (6) of the screen box (1), and the other one of the two excitation beams (3) is close to a discharging end (8) of the screen box (1).
3. The modular variable-span variable-amplitude vibrating screen according to claim 1, wherein, both a material feeding end (6) and a discharging end (8) of the screen box (1) are provided with stiffening beams (4), and two ends of the stiffening beams (4) are fixed by lock bolts to the screen box side plates (1-1).
4. The modular variable-span variable-amplitude vibrating screen according to claim 1, wherein, the support frames (5) are in two groups, wherein, one group of support frames (5) are disposed at a material feeding end (6) of the screen box (1), and the other group of support frames (5) are disposed at a discharging end (8) of the screen box (1).
5. The modular variable-span variable-amplitude vibrating screen according to claim 1, wherein, the frame height adjusting structure comprises support frame upward adjusting blocks (14) and support frame downward adjusting blocks (13), top surfaces of the support frame downward adjusting blocks (13) and bottom surfaces of the support frame upward adjusting blocks (14) are provided with vertical threaded holes, and the support frames (5) are provided with male threads matching with the vertical threaded holes; the support frame span adjusting mechanism comprises adjusting screw rod (10), and the sides of the support frame downward adjusting blocks (13) are provided with horizontal threaded holes matching with the adjusting screw rod (10).
6. The modular variable-span variable-amplitude vibrating screen according to claim 1, wherein, damping springs (15) are provided between the screen box (1) and the support frames (5)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610190157.4 | 2016-03-30 | ||
| CN201610190157.4A CN105689257B (en) | 2016-03-30 | 2016-03-30 | Modular variable-span variable-amplitude large vibrating screen |
| PCT/CN2016/083577 WO2017166413A1 (en) | 2016-03-30 | 2016-05-27 | Large modular vibration screen with variable span and variable vibration amplitude |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CA2977286A1 CA2977286A1 (en) | 2017-09-30 |
| CA2977286C true CA2977286C (en) | 2019-07-30 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA2977286A Active CA2977286C (en) | 2016-03-30 | 2016-05-27 | Modular variable-span variable-amplitude large-size vibrating screen |
Country Status (6)
| Country | Link |
|---|---|
| CN (1) | CN105689257B (en) |
| AU (1) | AU2016358298B2 (en) |
| CA (1) | CA2977286C (en) |
| RU (1) | RU2675274C1 (en) |
| WO (1) | WO2017166413A1 (en) |
| ZA (1) | ZA201701395B (en) |
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| CN107470136A (en) * | 2017-09-27 | 2017-12-15 | 中国矿业大学 | One kind becomes amplitude equal thick screen |
| RU2768573C2 (en) * | 2019-10-14 | 2022-03-24 | Общество с ограниченной ответственностью "Сибирская техническая компания" | Vibrating screen |
| CN114433464A (en) * | 2020-11-03 | 2022-05-06 | 怀化市大丰源生态农业开发股份有限公司 | High-efficient sieving mechanism of seed for farming |
| CN113477512B (en) * | 2021-07-30 | 2022-12-23 | 中国矿业大学 | Vibrating screen |
| CN114100446B (en) * | 2021-11-12 | 2024-03-15 | 湖南进庄农业股份有限公司 | Fertilizer mixing device with automatic crushing function |
| CN115780242B (en) * | 2022-12-08 | 2023-08-04 | 中国矿业大学(北京) | Combined multidimensional movement relaxation sieve |
| CN116618307B (en) * | 2023-07-20 | 2023-10-20 | 淄博齐茂催化剂有限公司 | Catalyst plastic back screening machine |
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| RU2221622C1 (en) * | 2003-03-05 | 2004-01-20 | Скворцов Дмитрий Семенович | Vibrating screen |
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| WO2010132033A2 (en) * | 2009-05-11 | 2010-11-18 | Atalay Makina Insaat Ithalat Ihracaat Sanayi Ve Ticaret Limited Sirketi | Vibration sieve mechanism |
| CN101733247A (en) * | 2010-01-14 | 2010-06-16 | 潘德歧 | Plug-in vibration exciter adapting to different spans |
| CN201711272U (en) * | 2010-03-26 | 2011-01-19 | 三一重型装备有限公司 | Vibrating sieve with adjustable sieve surface inclination |
| CN202343428U (en) * | 2011-09-29 | 2012-07-25 | 范公奇 | Self-adaptive inertial vibration device capable of modulating amplitude |
| CN103028539A (en) * | 2011-09-29 | 2013-04-10 | 范公奇 | Self-adaption amplitude adjustable inertia vibration device |
| US9010541B2 (en) * | 2012-04-27 | 2015-04-21 | Kem-Tron Technologies, LLC | Shale shaker screen and fastening system |
| CN202655233U (en) * | 2012-06-06 | 2013-01-09 | 河南工业大学 | Planar revolving vibration sieve with position-adjustable vibration exciter |
| RU134085U1 (en) * | 2013-03-12 | 2013-11-10 | Закрытое акционерное общество Научно-производственное предприятие "Машпром" (ЗАО НПП "Машпром") | Vibrating Screen |
| CN103394461B (en) * | 2013-08-16 | 2015-04-01 | 安徽理工大学 | Series-parallel vibrating screen with five degrees of freedom |
| CN203426042U (en) * | 2013-08-16 | 2014-02-12 | 安徽理工大学 | Five-freedom-degree series-parallel vibrating screen |
| CN104646279B (en) * | 2013-12-05 | 2016-03-30 | 广西华锡集团股份有限公司河池矿冶机械制造分公司 | Vibratory sieve |
| CN104226003A (en) * | 2014-10-13 | 2014-12-24 | 中煤科工集团唐山研究院有限公司 | Two-stage drive complex high-frequency vibration sieve |
| CN205599493U (en) * | 2016-03-30 | 2016-09-28 | 中国矿业大学 | Modular becomes span and becomes large -scale shale shaker of amplitude |
-
2016
- 2016-03-30 CN CN201610190157.4A patent/CN105689257B/en active Active
- 2016-05-27 RU RU2017130210A patent/RU2675274C1/en active
- 2016-05-27 AU AU2016358298A patent/AU2016358298B2/en active Active
- 2016-05-27 WO PCT/CN2016/083577 patent/WO2017166413A1/en active Application Filing
- 2016-05-27 CA CA2977286A patent/CA2977286C/en active Active
-
2017
- 2017-02-23 ZA ZA2017/01395A patent/ZA201701395B/en unknown
Also Published As
| Publication number | Publication date |
|---|---|
| CN105689257B (en) | 2017-07-18 |
| AU2016358298A1 (en) | 2017-10-19 |
| CN105689257A (en) | 2016-06-22 |
| CA2977286A1 (en) | 2017-09-30 |
| WO2017166413A1 (en) | 2017-10-05 |
| RU2675274C1 (en) | 2018-12-18 |
| AU2016358298B2 (en) | 2019-05-02 |
| ZA201701395B (en) | 2018-05-30 |
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