CN205731969U - Screen tray and roller picker for roller picker - Google Patents
Screen tray and roller picker for roller picker Download PDFInfo
- Publication number
- CN205731969U CN205731969U CN201620709187.7U CN201620709187U CN205731969U CN 205731969 U CN205731969 U CN 205731969U CN 201620709187 U CN201620709187 U CN 201620709187U CN 205731969 U CN205731969 U CN 205731969U
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- cylinder
- screen tray
- screen
- face
- disk body
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- 230000002093 peripheral effect Effects 0.000 claims abstract description 6
- 230000007423 decrease Effects 0.000 claims description 7
- 238000012216 screening Methods 0.000 abstract description 17
- 238000012797 qualification Methods 0.000 abstract description 6
- 239000000463 material Substances 0.000 description 9
- 239000003245 coal Substances 0.000 description 8
- 238000000034 method Methods 0.000 description 5
- 238000009434 installation Methods 0.000 description 3
- 238000002485 combustion reaction Methods 0.000 description 2
- 206010010904 Convulsion Diseases 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000036461 convulsion Effects 0.000 description 1
- 238000013467 fragmentation Methods 0.000 description 1
- 238000006062 fragmentation reaction Methods 0.000 description 1
- -1 gangue Substances 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000008450 motivation Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000007873 sieving Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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- Combined Means For Separation Of Solids (AREA)
Abstract
This utility model relates to roller picker field, and disclose a kind of screen tray for roller picker and a kind of roller picker, this screen tray includes disk body (1), the middle part of described disk body (1) is formed with axially mounted through hole, the outer peripheral face of described disk body (1) is formed as ladder periphery, described ladder periphery includes multiple first surface and multiple second surface, and each described first surface is alternating with each other with second surface each described to be arranged with being connected.Roller picker of the present utility model has the advantage that screening efficiency is higher and siftage qualification rate is higher.
Description
Technical field
This utility model relates to roller picker field, in particular it relates to a kind of screen tray for roller picker.Additionally, this practicality
Novel further relate to a kind of roller picker.
Background technology
Roller picker is very important one in sieving machine.Existing roller picker is based on except the utilization of bulk device, sieve
Lower thing granularity is generally 20～200mm, though there being siftage particulate roller picker below 10mm granularity in recent years, but siftage closes
Lattice granularity is only about 70% 80%.It is in main CFBB in combustion enginnering coal, gangue, coal slime, due to
Coming that coal impurity is more, moisture is relatively big and the more high reason of viscosity, causes the compass screen surface frequent jams of roller picker, screening efficiency reduces,
Plant maintenance, cleaning work amount are relatively big, and coal handling system is exerted oneself reduction.Due to siftage release mesh screening percentage be only 60%～
70%, such raw coal will produce Fragmentation Phenomena, and excessively broken raw coal is in the boiler without fully burning will be by convulsion
Machine is taken away, causes boiler combustion efficiency to decline and energy waste.
In view of this, it is desirable to provide the roller picker that a kind of screening efficiency is higher and siftage qualification rate is higher.
Utility model content
Technical problem to be solved in the utility model is to need to provide a kind of screening efficiency higher and siftage qualification rate
The higher screen tray for roller picker.
To be solved in the utility model another technical problem is that needs provide a kind of screening efficiency higher and siftage
The roller picker that qualification rate is higher.
In order to solve above-mentioned technical problem, this utility model provides a kind of screen tray for roller picker, and this screen tray includes dish
Body, the middle part of described disk body is formed with axially mounted through hole, and the outer peripheral face of described disk body is formed as ladder periphery, described ladder
Periphery includes multiple first surface and multiple second surface, and each described first surface is handed over each other with second surface each described
Arrange for connecting ground.
Preferably, described first surface is the face of cylinder or taper seat, and described second surface is anchor ring or taper seat,
Described anchor ring is perpendicular to the central axes of the axial of described disk body, the central axis on the described face of cylinder and described disk body.
Preferably, described first surface is the face of cylinder, and described second surface is anchor ring, and described first surface includes maximum
Diameter circle cylinder, the minimum diameter face of cylinder and multiple between the described maximum gauge face of cylinder and the minimum diameter face of cylinder
Middle circle cylinder, the diameter of multiple described middle circle cylinders gradually successively decreases.
Preferably, the described maximum gauge face of cylinder being formed with the teeth groove that multiple interval is uniformly arranged, described teeth groove is along institute
The axial direction stating disk body extends.
Preferably, the described minimum diameter face of cylinder is positioned at the axial two ends of described disk body, the described maximum gauge face of cylinder pair
Claim ground between two described minimum diameter faces of cylinder；Or the described maximum gauge face of cylinder and the described minimum diameter face of cylinder
Lay respectively at the axial two ends of described disk body.
Preferably, a diameter of the 200～500mm of the described maximum gauge face of cylinder, the thickness of described disk body be 30～
120mm。
This utility model also provides for a kind of roller picker, and this roller picker includes: casing；Multiple screen axis；And multiple screen tray, many
Individual described screen tray is divided into many groups, and the described screen tray of many groups is arranged on multiple described screen axis accordingly, and multiple described screen axis are the most adjacent
Closely and abreast it is arranged on described casing, so that the described screen tray on adjacent described screen axis is closely adjacent to each other and is formed and have
The compass screen surface in gap, described screen tray is the screen tray for roller picker described in the utility model.
Preferably, described first surface is the face of cylinder, and described second surface is anchor ring, and described first surface includes maximum
Diameter circle cylinder, the minimum diameter face of cylinder and multiple between the described maximum gauge face of cylinder and the minimum diameter face of cylinder
Middle circle cylinder, the diameter of multiple described middle circle cylinders gradually successively decreases, and described screen tray includes the first screen tray and the second screen tray, institute
State the axial two ends that the minimum diameter face of cylinder of the first screen tray is positioned at the disk body of described first screen tray, the maximum of described first screen tray
Diameter circle cylinder is symmetrically located between two described minimum diameter faces of cylinder of described first screen tray, the institute of described second screen tray
State the maximum gauge face of cylinder and the described minimum diameter face of cylinder lays respectively at the axial two ends of disk body of described second screen tray, described
Screen axis includes the first screen axis and the second screen axis arranged alternating with each otherly, described second screen axis is provided with by multiple described first
The row of screen tray composition and be positioned at described second screen tray of both sides of row of described first screen tray, described first screen axis are provided with many
On individual described first screen tray, one end being provided with the described minimum diameter face of cylinder of described second screen tray and described second screen axis
One end that described first screen tray is provided with the described minimum diameter face of cylinder is relative.
Preferably, the maximum gauge face of cylinder of described first screen tray and described second screen tray is formed with multiple interval uniform
Teeth groove, described teeth groove along described disk body axial direction extend.
Preferably, the described maximum gauge face of cylinder of described first screen tray and described second screen tray a diameter of 200～
500mm, the thickness of the described disk body of described first screen tray and described second screen tray is 30～120mm.
Preferably, described gap is 4～10mm in the distance of the axial direction along described screen axis, and described gap is at described sieve
Distance in the orientation of axle is 10-30mm.
Screen tray for roller picker of the present utility model is owing to including disk body, and the outer peripheral face of disk body is formed as ladder circumference
Face, described ladder periphery includes multiple first surface and multiple second surface, each described first surface with each described the
The ground that connects alternating with each other, two surfaces is arranged, thus when this screen tray is applied to roller picker and starts roller picker, material will ceaselessly
Contact with the first surface on multiple screen traies and second surface and constantly roll, relative to existing roller picker, this utility model
Screen tray can increase the chance that material rolls in screening process the work area increasing screening, thus improve roller picker
Screening efficiency and siftage qualification rate.
Other features and advantages of the utility model will be described in detail in detailed description of the invention part subsequently.
Accompanying drawing explanation
Accompanying drawing is used to offer and is further appreciated by of the present utility model, and constitutes a part for description, with following
Detailed description of the invention be used for explaining this utility model together, but be not intended that restriction of the present utility model.In the accompanying drawings:
Fig. 1 is the front view of the screen tray for roller picker according to detailed description of the invention of the present utility model；
Fig. 2 is the sectional view of the screen tray for roller picker in Fig. 1；
Fig. 3 is the structural representation sketch of the roller picker according to detailed description of the invention of the present utility model.
Description of reference numerals
1, disk body 2, teeth groove
3, drive mechanism 4, screen axis
4a, the first screen axis 4b, the second screen axis
5, first screen tray the 6, second screen tray
Detailed description of the invention
Below in conjunction with accompanying drawing, detailed description of the invention of the present utility model is described in detail.It should be appreciated that herein
Described detailed description of the invention is merely to illustrate and explains this utility model, is not limited to this utility model.
This utility model provides a kind of screen tray for roller picker, and specifically, as depicted in figs. 1 and 2, this screen tray includes dish
Body 1, the middle part of described disk body 1 is formed with axially mounted through hole, and the outer peripheral face of described disk body 1 is formed as ladder periphery, described
Ladder periphery includes multiple first surface and multiple second surface, each described first surface and each described second surface that
This alternately connects ground and arranges.
Screen tray for roller picker of the present utility model is owing to including disk body 1, and the outer peripheral face of disk body 1 is formed as ladder circumference
Face, described ladder periphery includes multiple first surface and multiple second surface, each described first surface with each described the
The ground that connects alternating with each other, two surfaces is arranged, thus when this screen tray is applied to roller picker and starts roller picker, material will ceaselessly
Contact with the first surface on multiple screen traies and second surface and constantly roll, relative to existing roller picker, this utility model
Screen tray can increase the chance that material rolls in screening process the work area increasing screening, thus improve roller picker
Screening efficiency and siftage qualification rate.
It is understood that the concrete form of first surface and second surface can be arranged as required to, these belong to
Within technology concept of the present utility model.Such as, described first surface can be the face of cylinder or taper seat, described second
Surface can be anchor ring or taper seat, and described anchor ring is perpendicular to the axial of described disk body 1, the central shaft on the described face of cylinder
Line and the central axes of described disk body 1.For the ease of processing first surface and second surface, described first surface is preferably
The face of cylinder, described second surface is preferably anchor ring, and described first surface includes the maximum gauge face of cylinder, the minimum diameter face of cylinder
And the multiple middle circle cylinders between the described maximum gauge face of cylinder and the minimum diameter face of cylinder, multiple described middle circle
The diameter of cylinder gradually successively decreases.In order to increase the chance that material rolls in screening process the work surface increasing screening further
Long-pending, first surface and second surface can be all taper seat.
In screen tray of the present utility model, it is preferable that be formed with multiple interval on the described maximum gauge face of cylinder and uniformly set
The teeth groove 2 (as shown in Figure 1) put, described teeth groove 2 extends along the axial direction of described disk body 1, thus increases material further and exist
The chance of rolling in screening process.
In screen tray of the present utility model, specifically, the described minimum diameter face of cylinder is positioned at axial the two of described disk body 1
End, the described maximum gauge face of cylinder is symmetrically located between two described minimum diameter faces of cylinder (as shown in Figure 2)；Or it is described
The maximum gauge face of cylinder and the described minimum diameter face of cylinder lay respectively at the axial two ends of described disk body 1, such that it is able to according to need
The disk body 1 of specific constructive form to be selected.
In screen tray of the present utility model, specifically, a diameter of the 200～500mm of the described maximum gauge face of cylinder, described
The thickness of disk body 1 (i.e. along the maximum gauge of axial direction of disk body 1) is 30～120mm, so that screen tray is suitable for sieve
Coal separation material.
This utility model also provides for a kind of roller picker, specifically, as it is shown on figure 3, this roller picker includes: casing；Multiple drive
Motivation structure 3, each drive mechanism 3 is separately mounted on described casing；Multiple screen axis 4, each described screen axis 4 correspondingly with
Each described drive mechanism 3 is in transmission connection；And multiple screen tray, multiple described screen traies are divided into many groups, and (often group screen tray is preferably bag
Include 6～20 screen traies), the described screen tray of many groups is arranged on accordingly on multiple described screen axis 4 and (such as passes through interference fit or pass through
The axially mounted through hole of screen axis 4 and disk body 1 forms keyway and utilizes keyway and coordinating of key to install), multiple described sieves
Axle 4 is located adjacent one another and is arranged on described casing that (spacing between the two of the arbitrary neighborhood in multiple screen axis is preferred abreast
It is 150～400mm) so that the described screen tray on adjacent described screen axis 4 is closely adjacent to each other and forms the compass screen surface with gap,
Described screen tray is the screen tray for roller picker described in the utility model.
Roller picker of the present utility model is owing to including the screen tray for roller picker described in the utility model, and therefore it is same
There is above advantage.
It is understood that the mode of multiple screen axis 4 installation parallel to each other can select as required, such as, multiple
Screen axis 4 can be the most parallel installation (axis of the most multiple screen axis 4 can be in Different Plane), it is also possible to all of screen axis 4
The installation of the most parallel (axis of the most multiple screen axis 4 is at grade).
In roller picker of the present utility model, it is preferable that described first surface is the face of cylinder, described second surface is annulus
Face, described first surface include the maximum gauge face of cylinder, the minimum diameter face of cylinder and be positioned at the described maximum gauge face of cylinder and
Multiple middle circle cylinders between the minimum diameter face of cylinder, the diameter of multiple described middle circle cylinders gradually successively decreases, described screen tray
Including the first screen tray 5 and the second screen tray 6, the minimum diameter face of cylinder of described first screen tray 5 is positioned at the disk body of described first screen tray 5
The axial two ends of 1, the maximum gauge face of cylinder of described first screen tray 5 be symmetrically located at two of described first screen tray 5 described in
Between small-diameter circular cylinder, the described maximum gauge face of cylinder of described second screen tray 6 and described minimum diameter face of cylinder position respectively
In the axial two ends of the disk body 1 of described second screen tray 6, described screen axis 4 includes the first screen axis 4a and arranged alternating with each otherly
Two screen axis 4b, described second screen axis 4b are provided with the row being made up of multiple described first screen traies 5 and are positioned at described first screen tray 5
Described second screen tray 6 of both sides of row, described first screen axis 4a is provided with multiple described first screen tray 5, described second sieve
One end being provided with the described minimum diameter face of cylinder of dish 6 is arranged with described first screen tray 5 on described second screen axis 4b
The one end stating the minimum diameter face of cylinder is relative, thus is formed the sieve with small gap by the first screen tray 5 and the second screen tray 6
Face, it is to avoid there is in compass screen surface bigger material leakage region.
In roller picker of the present utility model, it is preferable that described first screen tray 5 and the maximum gauge of described second screen tray 6
Be formed on the face of cylinder multiple (preferably 6～20) evenly spaced teeth groove 2 (Breadth Maximum of teeth groove 2 can be 6～
10mm, depth capacity can be 4～8mm), described teeth groove 2 extends along the axial direction of described disk body 1, thus increases further
The chance that material rolls in screening process.
In roller picker of the present utility model, specifically, described first screen tray 5 and the described maximum of described second screen tray 6
A diameter of the 200 of diameter circle cylinder～500mm, the thickness of the described disk body 1 of described first screen tray 5 and described second screen tray 6 is
30～120mm, described gap is 4～10mm (preferably 8mm) in the distance of the axial direction along described screen axis, and described gap exists
Distance in the orientation of described screen axis 4 is 10-30mm (preferably 20mm), so that roller picker of the present utility model is fitted
Share in screening coal charge.
Preferred implementation of the present utility model is described in detail above in association with accompanying drawing, but, this utility model does not limit
Detail in above-mentioned embodiment, in technology concept of the present utility model, can be to skill of the present utility model
Art scheme carries out multiple simple variant, and these simple variant belong to protection domain of the present utility model.
It is further to note that each the concrete technical characteristic described in above-mentioned detailed description of the invention, at not lance
In the case of shield, can be combined by any suitable means, in order to avoid unnecessary repetition, this utility model is to respectively
Plant possible compound mode to illustrate the most separately.
Additionally, combination in any can also be carried out, as long as it is not disobeyed between various different embodiment of the present utility model
Carrying on the back thought of the present utility model, it should be considered as content disclosed in the utility model equally.
Claims (11)
1., for a screen tray for roller picker, this screen tray includes disk body (1), and the middle part of described disk body (1) is formed axially mounted
Through hole, it is characterised in that the outer peripheral face of described disk body (1) is formed as ladder periphery, described ladder periphery includes multiple
One surface and multiple second surface, each described first surface is alternating with each other with second surface each described to be arranged with being connected.
Screen tray the most according to claim 1, it is characterised in that described first surface is the face of cylinder or taper seat, described
Second surface is anchor ring or taper seat, and described anchor ring is perpendicular to the axial of described disk body (1), the center on the described face of cylinder
Axis and the central axes of described disk body (1).
Screen tray the most according to claim 2, it is characterised in that described first surface is the face of cylinder, described second surface is
Anchor ring, described first surface includes the maximum gauge face of cylinder, the minimum diameter face of cylinder and is positioned at described maximum gauge cylinder
Multiple middle circle cylinders between face and the minimum diameter face of cylinder, the diameter of multiple described middle circle cylinders gradually successively decreases.
Screen tray the most according to claim 3, it is characterised in that be formed with multiple interval on the described maximum gauge face of cylinder equal
The teeth groove (2) of even setting, described teeth groove (2) extends along the axial direction of described disk body (1).
5. according to the screen tray described in claim 3 or 4, it is characterised in that the described minimum diameter face of cylinder is positioned at described disk body (1)
Axial two ends, the described maximum gauge face of cylinder is symmetrically located between two described minimum diameter faces of cylinder；Or described
Large diameter cylindrical surface and the described minimum diameter face of cylinder lay respectively at the axial two ends of described disk body (1).
6. according to the screen tray described in claim 3 or 4, it is characterised in that the described maximum gauge face of cylinder a diameter of 200～
500mm, the thickness of described disk body (1) is 30～120mm.
7. a roller picker, this roller picker includes:
Casing；
Multiple screen axis (4)；And
Multiple screen traies, multiple described screen traies are divided into many groups, and the described screen tray of many groups is arranged on multiple described screen axis (4) accordingly,
Multiple described screen axis (4) are located adjacent one another and are arranged on abreast on described casing, so that the institute on adjacent described screen axis (4)
State screen tray to be closely adjacent to each other and form the compass screen surface with gap,
It is characterized in that, described screen tray is according to the screen tray for roller picker described in any one in claim 1 to 2.
Roller picker the most according to claim 7, it is characterised in that described first surface is the face of cylinder, described second surface
For anchor ring, described first surface includes the maximum gauge face of cylinder, the minimum diameter face of cylinder and is positioned at described maximum gauge circle
Multiple middle circle cylinders between cylinder and the minimum diameter face of cylinder, the diameter of multiple described middle circle cylinders gradually successively decreases, institute
State screen tray and include that the first screen tray (5) and the second screen tray (6), the minimum diameter face of cylinder of described first screen tray (5) are positioned at described
The axial two ends of the disk body (1) of one screen tray (5), the maximum gauge face of cylinder of described first screen tray (5) is symmetrically located at described
Between two described minimum diameter faces of cylinder of one screen tray (5), the described maximum gauge face of cylinder of described second screen tray (6) and institute
Stating the axial two ends that the minimum diameter face of cylinder lays respectively at the disk body (1) of described second screen tray (6), described screen axis (4) includes that
The first screen axis (4a) that this is alternately arranged and the second screen axis (4b), described second screen axis (4b) is provided with by multiple described
Row that one screen tray (5) forms and be positioned at described second screen tray (6) of both sides of row of described first screen tray (5), described first sieve
Multiple described first screen tray (5) is installed on axle (4a), described second screen tray (6) be provided with the described minimum diameter face of cylinder
One end that one end is provided with the described minimum diameter face of cylinder with described first screen tray (5) on described second screen axis (4b) is relative.
Roller picker the most according to claim 8, it is characterised in that described first screen tray (5) and described second screen tray (6)
Being formed with multiple evenly spaced teeth groove (2) on the maximum gauge face of cylinder, described teeth groove (2) is along the axial side of described disk body (1)
To extension.
Roller picker the most according to claim 8, it is characterised in that described first screen tray (5) and described second screen tray (6)
The described maximum gauge face of cylinder a diameter of 200～500mm, described first screen tray (5) and described second screen tray (6) described
The thickness of disk body (1) is 30～120mm.
11. roller pickers according to claim 7, it is characterised in that described gap is at the axial direction along described screen axis
Distance is 4～10mm, and described gap distance in the orientation of described screen axis (4) is 10-30mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620709187.7U CN205731969U (en) | 2016-07-06 | 2016-07-06 | Screen tray and roller picker for roller picker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620709187.7U CN205731969U (en) | 2016-07-06 | 2016-07-06 | Screen tray and roller picker for roller picker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205731969U true CN205731969U (en) | 2016-11-30 |
Family
ID=57377416
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620709187.7U Active CN205731969U (en) | 2016-07-06 | 2016-07-06 | Screen tray and roller picker for roller picker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205731969U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106076834A (en) * | 2016-07-06 | 2016-11-09 | 中国神华能源股份有限公司 | Screen tray and roller picker for roller picker |
-
2016
- 2016-07-06 CN CN201620709187.7U patent/CN205731969U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106076834A (en) * | 2016-07-06 | 2016-11-09 | 中国神华能源股份有限公司 | Screen tray and roller picker for roller picker |
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