CN103924556A - Anchor chain span wire trash holding row - Google Patents
Anchor chain span wire trash holding row Download PDFInfo
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- CN103924556A CN103924556A CN201410190051.5A CN201410190051A CN103924556A CN 103924556 A CN103924556 A CN 103924556A CN 201410190051 A CN201410190051 A CN 201410190051A CN 103924556 A CN103924556 A CN 103924556A
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- anchor chain
- pollutant
- blocking grate
- suspension cable
- trash holding
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Abstract
The invention discloses an anchor chain span wire trash holding row. The anchor chain span wire trash holding row aims to solve the problem that a wharf boat trash holding row, a steel wire rope trash holding row and a mooring rope trash holding row are too high in manufacturing cost or short in service life or low in safety. The anchor chain span wire trash holding row comprises an anchor chain as a main span wire, a plurality of floating boxes connected to the main span wire, a trash holding net hung on the lower portions of the floating boxes and plummets arranged on the lower portion of the trash holding net. Floating box lock rings are arranged on the floating boxes in a sleeved mode, and the floating box lock rings are connected to the anchor chain through U-shaped hanging rings. The anchor chain is arranged on the upstream side of the trash holding net. The anchor chain span wire trash holding row is good in trash holding effect, long in service life and high in safety performance.
Description
Technical field
The present invention relates to the pollutant-blocking grate of the front interception dirt of a kind of water inlet (power station or diversion works), particularly a kind of pollutant-blocking grate being formed by anchor chain, buoyancy tank and garbage barrier net.
Background technology
In China, a large amount of floating things have particularly all been piled up before channel flow formula intake of hydropower station trashrack in most of power stations, and the existence of these floating things has not only increased the head loss of power station water inlet, the also normal operation of severe jamming generating set, affect generating efficiency, particularly flood period, because of floating thing stops up unit cannot oepration at full load, economic loss is huge.For addressing this problem, increasing power station arranges floating trash rack as the first line of defence that stops floating thing and enter power plant building water inlet before water inlet.
The pollutant-blocking grate putting into operation in current domestic power station is mainly divided into 3 kinds:
1, landing stage pollutant-blocking grate, pollutant-blocking grate is made up of a joint joint metal landing stage, between joint and joint, is hinged, and this pollutant-blocking grate margin of safety is large, blocks dirt effective, long service life.But landing stage volume is large, complex structure, pollutant-blocking grate cost is higher; Owing to carrying out floating row by mobile pollutant-blocking grate, assemble when too much when dirt before pollutant-blocking grate, if can not get timely cleaning, part dirt can be crossed pollutant-blocking grate and enter unit water inlet, affects power benefit; Because landing stage volume is large, Heavy Weight, if pollutant-blocking grate fracture under extreme operating condition, landing stage is very large to the security threat of water inlet monolith and trashrack.
2, wire rope pollutant-blocking grate: wire rope pollutant-blocking grate is generally made up of nonmetal buoyancy tank, wire rope, fleece, weight etc., wire rope is as carrying main rope, and each member is bundled into entirety by cordage.Wire rope pollutant-blocking grate is built engineering application pollutant-blocking grate main rope the most widely, major advantage: wire rope pollutant-blocking grate adopts single buoyancy tank, and wire rope adopts the approved product of specialized factory, reliable in quality; This pollutant-blocking grate is better flexible, can carry out floating row by mobile pollutant-blocking grate.Major defect: wire rope resistant to rust ability is poor, motion easily produces broken lot repeatedly, and after wire rope broken lot, supporting capacity obviously reduces, therefore in built engineering, the lesson of fracture is many.
3, rope cable pollutant-blocking grate: rope cable pollutant-blocking grate is generally made up of nonmetal buoyancy tank, rope cable, fleece, weight etc., rope cable is as carrying main rope, and each member is bundled into entirety by cordage.Existing operating experience in engineering, major advantage: compact conformation, flexibility is better, can carry out floating row by mobile pollutant-blocking grate.Major defect: rope cable is for a long time being exposed in open-air atmosphere, easily aging, aging rear supporting capacity decay is very fast, and application life is limited.
And the general cordage that adopts bundlees connection between wire rope pollutant-blocking grate and each member of hawser pollutant-blocking grate, binding tightness is wayward, causes connecting reliability not high.
Therefore, in industry urgently design studies one block dirty effective, long service life, safe and pollutant-blocking grate that cost is moderate.
Summary of the invention
For solving landing stage pollutant-blocking grate, wire rope pollutant-blocking grate and hawser pollutant-blocking grate or having that cost is too high or average life is long or have the not high problem of safety, the present invention aims to provide a kind of anchor chain suspension cable pollutant-blocking grate, and this pollutant-blocking grate blocks dirty effective, long service life, safe, cost is moderate.
To achieve these goals, the technical solution adopted in the present invention is:
A kind of anchor chain suspension cable pollutant-blocking grate, its design feature is, comprises the anchor chain as main suspension cable, is connected to the multiple buoyancy tanks on main suspension cable, is suspended on the garbage barrier net of buoyancy tank bottom, and is arranged on the weight of garbage barrier net bottom; On described buoyancy tank, be set with buoyancy tank lock ring, this buoyancy tank lock ring is connected on anchor chain by " U " shape suspension ring; Described anchor chain is positioned at garbage barrier net upstream side.
Thus, anchor chain and garbage barrier net hang on buoyancy tank bottom, and anchor chain is positioned at upstream side.It is simple and reliable that this connects pattern, and in the time having ensured that the installation of pollutant-blocking grate, inspection and maintenance have been guaranteed pollutant-blocking grate easily in when operation and mobile floating row simultaneously, anchor chain and garbage barrier net do not have interference.
Be below the technical scheme of further improvement of the present invention:
Further, the two ends of described anchor chain are connected in the end gauge on riverbank or dam.
Move floating row requirement for meeting pollutant-blocking grate, ensure the dismounting safety of anchor chain and end gauge, between described anchor chain and end gauge, dismantle by shackle take-up.If pollutant-blocking grate need to mobile floating row, shackle take-up is arranged on to anchor chain end, tension force is passed on end portion pre-embedded part by shackle take-up, discharges the power of anchor chain and end gauge connecting axle, thereby dismantles smoothly, avoids security incident.
Further, described shackle take-up comprises a set of Lever Blocks, and the wire rope with rope sling is equipped with at the two ends of this Lever Blocks; It is safe and reliable that this device can be guaranteed to dismantle between anchor chain and end gauge.
In order to facilitate anchor chain to divide some restrainings to make, described anchor chain comprises some sections of chain links, single hop chain link is made up of some common links and a change, between adjacent two sections of chain links, adopt Kenter shackle to connect, and the end open link that is positioned at anchor chain two ends is connected with swivel shackle, and this change is connected with end gauge, thus, under load action, form carrying suspension cable.
Further, described buoyancy tank lock ring is made up of lock ring ring, connecting bolt and annex thereof.The connection pattern of most domestic pollutant-blocking grate member mostly is cordage binding, and this kind of buoyancy tank lock ring is domestic initiation, with bolts, safe and reliable." U " shape suspension ring can adapt to well the flexible of anchor chain and rotate, and reduce subsidiary stress, very important to the stable operation of anchor chain pollutant-blocking grate.Further, described " U " shape suspension ring comprise hanger, pass the shackle shaft of hanger, and are contained in " U " shape ring on shackle shaft.
Preferably, described garbage barrier net is arranged on buoyancy tank lock ring by " U " shape bolt.
Preferably, described garbage barrier net is fleece or wire gauze.
Described anchor chain and garbage barrier net are arranged in parallel.
By said structure, pollutant-blocking grate of the present invention is simple in structure, is mainly made up of buoyancy tank, anchor chain, garbage barrier net, buoyancy tank lock ring, " U " shape suspension ring, weight and " U " shape bolt etc.Pollutant-blocking grate two ends arrange fixed or movable positioner, and main suspension cable adopts anchor chain, and anchor chain two ends are connected with positioner by swivel shackle, under load action, form carrying suspension cable.Anchor chain is connected in buoyancy tank bottom by buoyancy tank lock ring and " U " shape suspension ring; Garbage barrier net is connected in buoyancy tank bottom by buoyancy tank lock ring and " U " shape bolt, and wherein anchor chain is positioned at garbage barrier net upstream, and both are arranged in parallel.Under garbage barrier net, hang weight, make garbage barrier net be under water overhang, group only dirt is passed through.
Moreover pollutant-blocking grate one side end arranges shackle take-up, this device is by 1 cover Lever Blocks, and the wire rope of two ends band rope sling and annex composition thereof, install a side and be connected near pollutant-blocking grate end, and a side is connected in end embedded part.It is safe and reliable that this device can be guaranteed to dismantle between anchor chain and positioner, facilitates installation, maintenance, maintenance and the mobile floating row work of pollutant-blocking grate.
Compared with prior art, the invention has the beneficial effects as follows: pollutant-blocking grate provided by the invention is simple in structure, reliable, and cost is moderate; Flexible, under current load, form desirable suspended-cable structure, when needed, can carry out floating row by mobile pollutant-blocking grate; Block dirt effective, long service life, safe, under extreme case, energy automatic deloading, has overload self protective function.
Below in conjunction with drawings and Examples, the present invention is further elaborated.
Brief description of the drawings
Fig. 1 is the structural representation of an embodiment of the present invention;
Fig. 2 is the right view (direction of arrow is water (flow) direction) of Fig. 1;
Fig. 3 is buoyancy tank anchor chain of the present invention coupling part enlarged drawing (direction of arrow is water (flow) direction);
Fig. 4 is the partial isometric of Fig. 1;
Fig. 5 is the use view of an embodiment of the present invention.
In figure: 1-buoyancy tank; 2-anchor chain; 3-garbage barrier net; 4-buoyancy tank lock ring; 5-" U " shape suspension ring; 6-weight; 7-" U " shape bolt; 8-end gauge; 9-shackle take-up.
Detailed description of the invention
A kind of anchor chain suspension cable pollutant-blocking grate, referring to Fig. 1, Fig. 2, Fig. 3, Fig. 4, mainly by some buoyancy tanks 1, anchor chain 2, garbage barrier net 3, buoyancy tank lock ring 4, " U " shape suspension ring 5, weight 6, " U " shape bolt 7, end gauge 8, shackle take-up 9 forms.
Pollutant-blocking grate two ends can be designed to fixed or movable positioner 8 according to range of stage size, are connected by swivel shackle as the two ends of the anchor chain 2 of main suspension cable with end gauge, under load action, form carrying suspension cable.Anchor chain is connected in buoyancy tank 1 bottom by buoyancy tank lock ring 4 and " U " shape suspension ring 5; Garbage barrier net 3 is connected in buoyancy tank bottom by buoyancy tank lock ring and " U " shape bolt 7, and wherein anchor chain is positioned at garbage barrier net upstream, and both are arranged in parallel.Under garbage barrier net, hang weight 6, make garbage barrier net be under water overhang.
Pollutant-blocking grate flows into through pollutant-blocking grate the acting in conjunction of water inlet, strong wind, wave and floating thing from reservoir at generating diversion current, form stretched wire wire as shown in Figure 5, these external loads directly act on buoyancy tank and garbage barrier net, be passed to again on main suspension cable anchor chain, make anchor chain form stretching force, load is passed to end gauge by final anchor chain.
When in installation, maintenance, maintenance and mobile floating row work at pollutant-blocking grate, need to carry out the dismounting between anchor chain and positioner, shackle take-up 9 one sides are connected near pollutant-blocking grate end, a side is connected in end embedded part, to guarantee the safe and reliable of dismounting.
To sum up, pollutant-blocking grate of the present invention is simple in structure, reliable, and conveniently, anchor chain and fastener all adopt national approved product for installation, inspection and maintenance, and other parts are all manufactured in factory, and each member combines by bolt, the on-the-spot installation of bearing pin.Main suspension cable anchor chain is long service life, safe, flexible, under current load, forms desirable suspended-cable structure, when needed, can carry out floating row by mobile pollutant-blocking grate.Under extreme case, energy automatic deloading, has overload self protective function.
The content that above-described embodiment is illustrated should be understood to these embodiment only for being illustrated more clearly in the present invention, limit the scope of the invention and be not used in, after having read the present invention, those skilled in the art all fall within the application's claims limited range to the amendment of the various equivalent form of values of the present invention.
Claims (9)
1. an anchor chain suspension cable pollutant-blocking grate, is characterized in that, comprises the anchor chain (2) as main suspension cable, is connected to the multiple buoyancy tanks (1) on main suspension cable, is suspended on the garbage barrier net (3) of buoyancy tank bottom, and is arranged on the weight (6) of garbage barrier net (3) bottom; On described buoyancy tank (1), be set with buoyancy tank lock ring (4), this buoyancy tank lock ring (4) is connected on anchor chain (2) by " U " shape suspension ring (5); Described anchor chain is positioned at garbage barrier net (3) upstream side.
2. anchor chain suspension cable pollutant-blocking grate according to claim 1, is characterized in that, the two ends of described anchor chain (2) are connected in the end gauge (8) on riverbank or dam.
3. anchor chain suspension cable pollutant-blocking grate according to claim 2, is characterized in that, between described anchor chain (2) and end gauge (8), dismantles by shackle take-up (9).
4. anchor chain suspension cable pollutant-blocking grate according to claim 3, is characterized in that, described shackle take-up (9) comprises a set of Lever Blocks, and the wire rope with rope sling is equipped with at the two ends of this Lever Blocks.
5. according to the anchor chain suspension cable pollutant-blocking grate one of claim 1 ~ 4 Suo Shu, it is characterized in that, described anchor chain (2) comprises some sections of chain links, single hop chain link is made up of some common links and a change, between adjacent two sections of chain links, adopt Kenter shackle to connect, and the end open link that is positioned at anchor chain (2) two ends is connected with swivel shackle, this change is connected with end gauge (8).
6. anchor chain suspension cable pollutant-blocking grate according to claim 1, is characterized in that, described garbage barrier net (3) is arranged on buoyancy tank lock ring (4) by " U " shape bolt (7).
7. anchor chain suspension cable pollutant-blocking grate according to claim 1, is characterized in that, described anchor chain (2) is arranged in parallel with garbage barrier net (3).
8. according to the anchor chain suspension cable pollutant-blocking grate one of claim 1 ~ 4 Suo Shu, it is characterized in that described U " shape suspension ring (5) comprise hanger, pass the shackle shaft of hanger, and " U " shape being contained on shackle shaft is encircled.
9. anchor chain suspension cable pollutant-blocking grate according to claim 1, is characterized in that, described garbage barrier net (3) is fleece or wire gauze.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410190051.5A CN103924556B (en) | 2014-05-07 | 2014-05-07 | Anchor chain suspension cable pollutant-blocking grate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410190051.5A CN103924556B (en) | 2014-05-07 | 2014-05-07 | Anchor chain suspension cable pollutant-blocking grate |
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| CN103924556A true CN103924556A (en) | 2014-07-16 |
| CN103924556B CN103924556B (en) | 2016-03-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410190051.5A Active CN103924556B (en) | 2014-05-07 | 2014-05-07 | Anchor chain suspension cable pollutant-blocking grate |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107130570A (en) * | 2017-07-06 | 2017-09-05 | 黄怀炜 | A kind of garbage on water salvages system |
| CN109629521A (en) * | 2019-01-22 | 2019-04-16 | 天津大学 | A kind of artificial flexible heat-insulating ice sheet device |
| CN111926783A (en) * | 2020-07-07 | 2020-11-13 | 中南林业科技大学 | Floating type sewage blocking and discharging device for hydropower station |
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| JPS59158815A (en) * | 1983-02-28 | 1984-09-08 | Ishikawajima Harima Heavy Ind Co Ltd | Collection of floating dust |
| CN201010881Y (en) * | 2007-03-29 | 2008-01-23 | 昆明琢石机电有限责任公司 | Floating dirt blocking bar |
| CN201121305Y (en) * | 2007-08-24 | 2008-09-24 | 李建华 | Sewage blocking gate |
| CN201276696Y (en) * | 2008-09-17 | 2009-07-22 | 上海勘测设计研究院 | Pontoon type trash blocking fence |
| CN201495527U (en) * | 2009-09-11 | 2010-06-02 | 国网新源控股有限公司潘家口蓄能电厂 | Pollutant blocking device for generating set water inlet in lower pool of reservoir |
| CN101864753A (en) * | 2009-04-20 | 2010-10-20 | 四川东方水利水电工程有限公司 | Buoy type dirt-blocking float-guiding device |
| CN103603319A (en) * | 2013-11-08 | 2014-02-26 | 浙江双鸟锚链有限公司 | Constant-resistance anti-collision anchor chain |
| CN203846454U (en) * | 2014-05-07 | 2014-09-24 | 中国电建集团中南勘测设计研究院有限公司 | Trash holding bank with anchor chain as suspension cable |
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2014
- 2014-05-07 CN CN201410190051.5A patent/CN103924556B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59158815A (en) * | 1983-02-28 | 1984-09-08 | Ishikawajima Harima Heavy Ind Co Ltd | Collection of floating dust |
| CN201010881Y (en) * | 2007-03-29 | 2008-01-23 | 昆明琢石机电有限责任公司 | Floating dirt blocking bar |
| CN201121305Y (en) * | 2007-08-24 | 2008-09-24 | 李建华 | Sewage blocking gate |
| CN201276696Y (en) * | 2008-09-17 | 2009-07-22 | 上海勘测设计研究院 | Pontoon type trash blocking fence |
| CN101864753A (en) * | 2009-04-20 | 2010-10-20 | 四川东方水利水电工程有限公司 | Buoy type dirt-blocking float-guiding device |
| CN201495527U (en) * | 2009-09-11 | 2010-06-02 | 国网新源控股有限公司潘家口蓄能电厂 | Pollutant blocking device for generating set water inlet in lower pool of reservoir |
| CN103603319A (en) * | 2013-11-08 | 2014-02-26 | 浙江双鸟锚链有限公司 | Constant-resistance anti-collision anchor chain |
| CN203846454U (en) * | 2014-05-07 | 2014-09-24 | 中国电建集团中南勘测设计研究院有限公司 | Trash holding bank with anchor chain as suspension cable |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107130570A (en) * | 2017-07-06 | 2017-09-05 | 黄怀炜 | A kind of garbage on water salvages system |
| CN109629521A (en) * | 2019-01-22 | 2019-04-16 | 天津大学 | A kind of artificial flexible heat-insulating ice sheet device |
| CN111926783A (en) * | 2020-07-07 | 2020-11-13 | 中南林业科技大学 | Floating type sewage blocking and discharging device for hydropower station |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103924556B (en) | 2016-03-02 |
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Address after: 410014 Hunan province Changsha Yuhua District, camphor Road No. 16 Applicant after: Company limited of Central-South survey and design research institute of electricity Jian group of China Address before: 410014, 9 camphor Road, Yuhua District, Hunan, Changsha Applicant before: Co., Ltd of Zhongnan Prospecting Design Inst. China Hydrauelectric Consultant Group |
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Free format text: CORRECT: APPLICANT; FROM: HYDROCHINA ZHONGNAN ENGINEERING CORPORATION TO: CHINA POWER GROUP ZHONGNAN INVESTIGATION DESIGN + RESEARCH INSTITUTE CO., LTD. |
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