CN102784497B - Skimming device for bridge-type sand sucker - Google Patents
Skimming device for bridge-type sand sucker Download PDFInfo
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- CN102784497B CN102784497B CN201210270751.6A CN201210270751A CN102784497B CN 102784497 B CN102784497 B CN 102784497B CN 201210270751 A CN201210270751 A CN 201210270751A CN 102784497 B CN102784497 B CN 102784497B
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- skimming
- rake
- bridge
- upper bracket
- type sand
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Abstract
The invention discloses a skimming device for a bridge-type sand sucker. The skimming device is fixed at the lower parts of the two sides of an operating bridge of the bridge-type sand sucker through an upper bracket; one end of the lower part of the upper bracket is hinged with a skimming rake through a pin shaft, and the other end is hinged with a hook plate; the bottom surface of the hook plate forms a bevel; a triangular outcut is arranged above the bevel; an angle steel is welded on the skimming rake and corresponds to the triangular outcut; a tension spring for drawing and tightening the hook plate and a chain sling for hanging the skimming rake are arranged at the lower part of the upper bracket; and a shedding ejector is fixed at a skimming initial end of a sedimentation tank. During skimming, the skimming rake is hung below the liquid level through the chain sling and climbs along a guide slope at a skimming stroke tail end, so that the angle steel on the skimming rake is automatically hooked in the triangular outcut of the hook plate; during return stroke, the rake bottom is kept being separated from the liquid level as so to prevent floating sludge from being driven to dead corners at the initial end; at a return stroke tail end, the skimming rake is automatically put down by touching of the shedding ejector; and the skimming device has a reasonable structure, is good in automatism, and can remarkably improve the skimming effect.
Description
Technical field
The present invention relates to environmental protection equipment field, especially a kind of skimmer device of bridge-type sand sucker.
Background technology
Horizontal sedimentation tank is scraped, suction dredge, aerated grit chamber sand sucker is a kind of visual plant in the waste water of municipal administration, sewage treatment plant, coal mining enterprise, iron and steel enterprise etc., coal slime are processed, and by being deposited in mud (sand grains, cinder) at the bottom for the treatment of tank, collecting and discharges outside pond.As shown in Figure 1 and Figure 2, mobile bridge-type sand sucker is arranged on horizontal sedimentation tank 10, and service bridge 1 is erected on two ends end carriage 2, at the bottom of the bottom of service bridge 1 is provided with two sand suction pipes 3 and extends into pond.Two outer ends at service bridge 1 are provided with end carriage drive unit 5, on walking track 6, make back and forth movement.By aeration tube 7 aerations, in sewage, suspension comes together in the scum silica frost groove 8 of pond face, two tops, outer end of service bridge 1 are positioned at liquid level and are provided with skimmer device 4, at the skimming end of travel of sedimentation basin 10, are provided with a little more than liquid level and with leading slope 16(referring to Fig. 4) scum silica frost collection bucket 9.During work, treatment sewage enters sedimentation basin 10, and after aeration tube 7 aerations, suspension enters scum silica frost groove 8, and scum silica frost is skimmed into scum silica frost collection bucket 9 under the skimming plate effect of skimmer device 4, discharges outside sedimentation basin 10 ponds; Sand grains is discharged outside pond by sand suction pipe 3 at the bottom of sinking to pond, and clear water flows out via downflow weir.
Skimmer device of the prior art, adopts arm turnover panel heavy hammer structure, and rigidity is poor, is difficult to upset, has affected skimming effect.And the height of water level in sedimentation basin often changes, when water level is too low, skimming plate departs from liquid level, can not play the effect of skimming; Liquid level is too high, and skimming plate, in backhaul process, also can drop on below liquid level, a lot of scum silica frost oppositely can be taken back to the dead angle area at top, affects skimming effect.
Summary of the invention
The applicant is difficult to upset for the turnover panel weight of the skimmer device of above-mentioned existing mobile bridge-type sand sucker, can not adapt to level change, cause the shortcomings such as skimming weak effect, a kind of skimmer device of bridge-type sand sucker rational in infrastructure is provided, thereby can improve rigidity and the service life of skimmer device, improve significantly skimming effect.
The technical solution adopted in the present invention is as follows:
A kind of skimmer device of bridge-type sand sucker, by upper bracket, be fixed on two side lower parts of the service bridge of bridge-type sand sucker, one end, bottom of upper bracket is hinged with skimming by bearing pin and harrows, the other end is hinged with hanger plate, hanger plate bottom surface is oblique angle, top, oblique angle is provided with three angle kerves, on skimming rake, is welded with angle steel, corresponding with three angle kerves; In upper bracket bottom, be provided with extension spring traction tension hanger plate, be provided with chain sling suspention skimming rake; Skimming top at sedimentation basin is fixed with the push rod that comes off, and the end of the push rod that comes off can contact the side of hanger plate.
Further improvement as technique scheme: the length of chain sling is configured such that skimming rake about 50mm below submergence liquid level when minimum conventionally.
Beneficial effect of the present invention is as follows:
The present invention is by skimming rake, hanger plate and the push rod that comes off are set, and during skimming, skimming rake hangs to liquid level by chain sling, realizes smoothly skimming.At skimming end of travel, by leading the climbing on slope, the angle steel on skimming rake is hooked in three angle kerves of hanger plate automatically, and when backhaul, keep the rake end to depart from the state of liquid level, avoid scum silica frost to come back dead angle, top.Backhaul end carries out skimming by skimming rake under the touching automatic releasing of the push rod that comes off, and rational in infrastructure, automaticity is good, really accomplishes that scum silica frost is without leaking outside, and improves significantly the effect of skimming.
Accompanying drawing explanation
Fig. 1 is the sectional view that is provided with horizontal flow basin sand sucker of the present invention.
Fig. 2 is the front view of Fig. 1, and wherein B portion is that skimmer device arrives at scum silica frost collection bucket position, and the skimming state that C portion is skimmer device, is virtual state.
Fig. 3 is the left view of skimmer device, corresponds to the A portion enlarged drawing in Fig. 1.
Fig. 4 is the front view of skimmer device, corresponds to the B portion enlarged drawing in Fig. 2.
The same Fig. 4 of Fig. 5, C portion enlarged drawing in corresponding diagram 2.
In figure: 1, service bridge; 2, end carriage; 3, sand suction pipe; 4, skimmer device; 5, end carriage drive unit; 6, walking track; 7, aeration tube; 8, scum silica frost groove; 9, scum silica frost collection bucket; 10, sedimentation basin; 11, upper bracket; 12, skimming rake; 13, hanger plate; 14, extension spring; 15, chain sling; 16, lead slope; 17, three angle kerves; 18, the push rod that comes off; 19, liquid level; 20, angle steel.
The specific embodiment
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is described.
As shown in Figure 3, Figure 4, skimmer device 4 of the present invention adopts square steel tube to make the upper bracket 11 of skimming rake 12, is bolted on the both sides of the service bridge 1 of bridge-type sand sucker; Upper bracket 11 bottoms, one end is hinged with skimming rake 12 by bearing pin, and the other end is hinged with hanger plate 13, and hanger plate 13 bottom surfaces are oblique angle, and top, oblique angle is provided with three angle kerves 17, on skimming rake 12, is welded with angle steel 20, corresponding with three angle kerves 17.In upper bracket 11 bottoms, be provided with extension spring 14 traction tension hanger plates 13, be provided with chain sling 15 suspention skimming rakes 12.Skimming end at sedimentation basin 10 arranges scum silica frost collection bucket 9, is provided with the push rod 18 that comes off of fixed L shape on the face of pond, place, skimming top, and the end of the push rod 18 that comes off can contact the side of hanger plate 13.
During actual job, when sand sucker is walked along the walking track 6 of sedimentation basin 10, scum silica frost is pushed skimming end of travel to by skimming rake 12, when skimming rake 12 moves to scum silica frost collection bucket 9 position, as B portion position in Fig. 2, i.e. position shown in Fig. 4, skimming rake 12 is climbed along leading slope 16, the scum silica frost of scum silica frost groove 8 liquid level positions is driven to scum silica frost collection bucket 9, and discharged outside sedimentation basin 10 ponds.In the time of climbing, skimming rake 12 upwards lifts, and angle steel 20, along the oblique angle, bottom surface of hanger plate 13, under the pulling force of extension spring 14, hooks skimming rake 12, and now, skimming rake 12 is positioned at peak and the rake end is positioned on liquid level 19.Then 12 backhauls are harrowed in skimming, and now skimming rake 12 is suspended on hanger plate 13, and the rake end is positioned on liquid level 19 completely, thereby scum silica frost oppositely can not come back to top.When sand sucker returns to sedimentation basin 10 top, hanger plate 13 touches the push rod 18 that comes off being fixed wtih and is open, extension spring 14 applied elongation, in three angle kerves 17 of angle steel 20 on skimming rake 12 from hanger plate 13, deviate from, under the effect of gravity, skimming is harrowed in 12 Automatic-falling ponds, and is subject to the restriction of chain sling 15, and the length of chain sling 15 is set to harrow the following 50mm of plate submergence liquid level 19 when minimum left and right conventionally, state is now as C portion position, i.e. position shown in Fig. 5 in Fig. 2.
More than describing is explanation of the invention, is not the restriction to invention, and limited range of the present invention is referring to claim, and without prejudice to spirit of the present invention in the situation that, the present invention can do any type of modification.
Claims (2)
1. the skimmer device of a bridge-type sand sucker, by upper bracket (11), be fixed on two side lower parts of the service bridge (1) of bridge-type sand sucker, it is characterized in that: one end, bottom of upper bracket (11) is hinged with skimming rake (12) by bearing pin, the other end is hinged with hanger plate (13), hanger plate (13) bottom surface is oblique angle, top, oblique angle is provided with three angle kerves (17), on skimming rake (12), is welded with angle steel (20), corresponding with three angle kerves (17); In upper bracket (11) bottom, be provided with extension spring (14) traction tension hanger plate (13), be provided with chain sling (15) suspention skimming rake (12); At the skimming top of sedimentation basin (10), be fixed with the push rod that comes off (18), the end of the push rod that comes off (18) can contact the side of hanger plate (13).
2. according to the skimmer device of bridge-type sand sucker claimed in claim 1, it is characterized in that: the length of chain sling (15) is configured such that skimming rake (12) following 50mm of submergence liquid level (19) when minimum conventionally.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210270751.6A CN102784497B (en) | 2012-08-01 | 2012-08-01 | Skimming device for bridge-type sand sucker |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210270751.6A CN102784497B (en) | 2012-08-01 | 2012-08-01 | Skimming device for bridge-type sand sucker |
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| Publication Number | Publication Date |
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| CN102784497A CN102784497A (en) | 2012-11-21 |
| CN102784497B true CN102784497B (en) | 2014-11-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201210270751.6A Active CN102784497B (en) | 2012-08-01 | 2012-08-01 | Skimming device for bridge-type sand sucker |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106512495A (en) * | 2016-12-28 | 2017-03-22 | 蓝深集团股份有限公司 | Novel skimming device |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202036830U (en) * | 2011-01-18 | 2011-11-16 | 江苏通环环保设备有限公司 | Auxiliary skimming plate jacking device |
| CN203043650U (en) * | 2012-08-01 | 2013-07-10 | 江苏通用环境工程有限公司 | Skimming device of bridge type sand sucker |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN2204295Y (en) * | 1994-09-05 | 1995-08-02 | 潘锦才 | Skimming machine |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202036830U (en) * | 2011-01-18 | 2011-11-16 | 江苏通环环保设备有限公司 | Auxiliary skimming plate jacking device |
| CN203043650U (en) * | 2012-08-01 | 2013-07-10 | 江苏通用环境工程有限公司 | Skimming device of bridge type sand sucker |
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| CN102784497A (en) | 2012-11-21 |
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| C06 | Publication | ||
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| ASS | Succession or assignment of patent right |
Owner name: JIANGSU TONGYONG ENVIRONMENTAL ENGINEERING CO., LT Free format text: FORMER OWNER: JIANGSU TONGYONG ENVIRONMENTAL GROUP CO., LTD. Effective date: 20121220 |
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| C41 | Transfer of patent application or patent right or utility model | ||
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Effective date of registration: 20121220 Address after: Jiangsu city in Wuxi Province Economic Development Zone Yixing yuan Bridge Applicant after: JIANGSU TONGYONG ENVIRONMENTAL PROTECTION GROUP CO., LTD. Address before: 214203 Jiangsu city in Wuxi Province Economic Development Zone Yixing yuan Bridge Applicant before: Jiangsu Tongyong Environmental Protection Group Co., Ltd. |
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| C14 | Grant of patent or utility model | ||
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