CN203955502U - A kind of cast stone Grid screen - Google Patents
A kind of cast stone Grid screen Download PDFInfo
- Publication number
- CN203955502U CN203955502U CN201420145145.6U CN201420145145U CN203955502U CN 203955502 U CN203955502 U CN 203955502U CN 201420145145 U CN201420145145 U CN 201420145145U CN 203955502 U CN203955502 U CN 203955502U
- Authority
- CN
- China
- Prior art keywords
- grate bar
- grid screen
- utility
- cast stone
- grate
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 239000004575 stone Substances 0.000 title claims abstract description 16
- 239000000571 coke Substances 0.000 abstract description 13
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 4
- 239000000463 material Substances 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 241000826860 Trapezium Species 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012216 screening Methods 0.000 description 1
Abstract
The utility model discloses a kind of cast stone Grid screen, comprise grate bar, it is characterized in that, some grate bars are arranged in parallel and form Grid screen device on fixture, described grate bar entirety is strip, cross section is up big and down small trapezoidal, and grate bar is axially reduced by upper end to lower end width gradually along it.Cast stone Grid screen described in the utility model effectively prevents that Grid screen from being stopped up by coke, affects put-focusly, avoids coke to stop up, and reduces manually to dredge the workload of grate bar.
Description
Technical field
The utility model relates to mechanical grading equipment, relates in particular to a kind of cast stone Grid screen.
Background technology
In the time of the rigid materials such as screening coke and ore, conventionally can use Grid screen.Cast stone Grid screen is the most frequently used fixed Grid screen of one, by the mode of welding, each root grate bar is welded on sieve crossbeam, forms thus compass screen surface.But at present conventional cast stone Grid screen in use grate interspace often can be stopped up by coke, after artificial dredging, in the short time, stopped up by coke again, cause finished product coke coke powder on the high side.
Utility model content
The technical assignment of technical problem to be solved in the utility model and proposition is that prior art is improved, a kind of cast stone Grid screen is provided, the cast stone Grid screen solving in current technology easily stops up at coke riddling process, causes finished product coke coke powder problem on the high side.
For solving above technical problem, the technical solution of the utility model is:
A kind of cast stone Grid screen, comprises grate bar, it is characterized in that, some grate bars are arranged in parallel and form Grid screen device on fixture, described grate bar entirety is strip, and cross section is up big and down small trapezoidal, and grate bar is axially reduced by upper end to lower end width gradually along it.Cast stone Grid screen described in the utility model spacing on grate bar thickness direction increases gradually, and also increase gradually along spacing on the axial direct of travel of grate bar, thereby effectively prevent that the materials such as coke are stuck between grate bar, improve the burnt effect of sieve, due to the trapezium structure of the wide narrow base in surface of grate bar, there will not be the phenomenon of coke powder accumulation, reduced the workload of artificial dredging grate bar.
Further, described grate bar two ends offer installing hole, by bolt device on fixture.The mode being bolted can reach the object of flexible dismounting, when the damage of grate bar needs repairing, only need looser a bolt and then change grate bar, and attended operation is convenient and swift, avoids traditional welding manner to make grate bar safeguard that replacing is extremely difficult.
Further, be provided with strip holddown groove on described fixture, grate bar is arranged on by bolt also can left and right adjusting spacing on holddown groove.Utilize the gap of holddown groove flexible modulation grate bar, can after the long-time use of Grid screen, revise adjusting, and can meet the different process requirement of production.
Compared with prior art, the utility model advantage is:
The grate stripe pitch of cast stone Grid screen described in the utility model increases gradually along direct of travel, and what grate bar was surperficial wide narrow base at its thickness direction is trapezoidal, effectively prevent that Grid screen from being stopped up by coke, affect put-focus, avoid coke to stop up, reduce manually to dredge the workload of grate bar; The utility model is simple in structure simultaneously, is easy to manufacture, and overall economic efficiency is high.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the cross section A structural representation of grate bar in Fig. 1;
Fig. 3 is the cross section B structural representation of grate bar in Fig. 1.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is clearly and completely described, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtaining under creative work prerequisite, all belong to the scope of the utility model protection.
The disclosed a kind of cast stone Grid screen of the utility model embodiment, prevents that Grid screen is put-focus by coke congestion affects, reduces manually to dredge the workload of grate bar.
As shown in Figure 1 to Figure 3, a kind of cast stone Grid screen, comprises grate bar 1, and some grate bars 1 are arranged in parallel and form Grid screen device on fixture 2, and described grate bar 1 entirety is strip, and cross section is up big and down small trapezoidal.In the present embodiment, the trapezoidal wide S1 of cross section on grate bar 1 top is 40mm, and lower wide S2 is 14mm, and thickness h is 60mm, space D 1 between grate bar 1 is 25mm, grate bar 1 is uniform thickness vertically, but grate bar 1 axially reduces by upper end to lower end width gradually along it, while having arrived the bottom of grate bar 1, the trapezoidal wide S3 in cross section is 40mm, lower wide S4 is 14mm, and thickness h is 60mm, and the space D 2 between grate bar 1 is 25mm.Cast stone Grid screen spacing on grate bar thickness direction increases gradually, and also increase gradually along spacing on the axial direct of travel of grate bar, thereby effectively prevent that the materials such as coke are stuck between grate bar, ensure the effect that sieve is burnt, the phenomenon that there will not be coke powder to pile up.
Grate bar 1 two ends offer installing hole, are provided with strip holddown groove 4 on fixture 2, and grate bar 1 is arranged in the holddown groove 4 on fixture 2 by bolt 3, and can left and right adjusting spacing, can conveniently safeguard and change grate bar 1, improve maintenance work efficiency.
Below be only preferred embodiment of the present utility model, it should be pointed out that above-mentioned preferred embodiment should not be considered as restriction of the present utility model, protection domain of the present utility model should be as the criterion with claim limited range.For those skilled in the art, not departing from spirit and scope of the present utility model, can also make some improvements and modifications, these improvements and modifications also should be considered as protection domain of the present utility model.
Claims (1)
1. a cast stone Grid screen, comprise grate bar (1), it is characterized in that, some grate bars (1) are arranged in parallel and form Grid screen device on fixture (2), described grate bar (1) entirety is strip, cross section is up big and down small trapezoidal, and grate bar (1) is axially reduced by upper end to lower end width gradually along it, described grate bar (1) two ends offer installing hole, install on fixture (2) by bolt (3), on described fixture (2), be provided with strip holddown groove (4), grate bar (1) is arranged on holddown groove (4) above by bolt (3) and can left and right adjusting spacing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420145145.6U CN203955502U (en) | 2014-03-27 | 2014-03-27 | A kind of cast stone Grid screen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420145145.6U CN203955502U (en) | 2014-03-27 | 2014-03-27 | A kind of cast stone Grid screen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203955502U true CN203955502U (en) | 2014-11-26 |
Family
ID=51916143
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420145145.6U Expired - Lifetime CN203955502U (en) | 2014-03-27 | 2014-03-27 | A kind of cast stone Grid screen |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203955502U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112090759A (en) * | 2020-08-13 | 2020-12-18 | 中国农业科学院茶叶研究所 | Fresh tea leaf grader capable of preventing damage and red change |
-
2014
- 2014-03-27 CN CN201420145145.6U patent/CN203955502U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112090759A (en) * | 2020-08-13 | 2020-12-18 | 中国农业科学院茶叶研究所 | Fresh tea leaf grader capable of preventing damage and red change |
| CN112090759B (en) * | 2020-08-13 | 2021-11-09 | 中国农业科学院茶叶研究所 | Fresh tea leaf grader capable of preventing damage and red change |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| PP01 | Preservation of patent right |
Effective date of registration: 20170817 Granted publication date: 20141126 |
|
| PP01 | Preservation of patent right | ||
| PD01 | Discharge of preservation of patent |
Date of cancellation: 20200817 Granted publication date: 20141126 |
|
| PD01 | Discharge of preservation of patent | ||
| CX01 | Expiry of patent term |
Granted publication date: 20141126 |
|
| CX01 | Expiry of patent term |