CN105089093A - Grab dredger grab bucket machine large power water cooling energy-consumption system - Google Patents
Grab dredger grab bucket machine large power water cooling energy-consumption system Download PDFInfo
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- CN105089093A CN105089093A CN201410184300.XA CN201410184300A CN105089093A CN 105089093 A CN105089093 A CN 105089093A CN 201410184300 A CN201410184300 A CN 201410184300A CN 105089093 A CN105089093 A CN 105089093A
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- grab
- water
- consumption system
- energy consumption
- cooling
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Abstract
The invention discloses a grab dredger grab bucket machine large power water cooling energy-consumption system capable of reducing energy-consumption of the grab bucket machine via a water cooling energy-consumption way and thereby reducing cost. The technical scheme is that a water cooling way is employed for a cooling method for the energy-consumption system; heat produced by the energy-consumption system can be taken away by the water circulating system in a ship; material use and size can be greatly reduced; braking efficiency of the energy-consumption system can be improved; and cost can be reduced.
Description
Technical field
The present invention relates to the assembly in grab dredger, particularly relate to the grab claw high-power water-cooling energy consumption system of grab dredger.
Background technology
Closely during the last ten years, the scale of marine dredging and reclamation work is increasing, the requirement of dredging market to the efficiency of dredging plant, cost and energy-saving and emission-reduction is more and more higher, the demand of dredging enterprises to large-scale dredging plant is also more and more urgent, the large dredger developing a new generation, for capturing dredging market, is all being devoted in countries in the world.
In prior art, the grab claw in the especially large-scale grab dredger of grab dredger uses air-cooled energy consumption system to carry out dynamic braking usually, with realize consume grab bucket transfer the feedback energy produced with rotary decelerating.But energy consumption system of the prior art is difficult to the demand meeting powerful dynamic braking, and volume is comparatively large, retardation efficiency is on the low side.
Summary of the invention
Below provide the brief overview of one or more aspect to provide the basic comprehension to these aspects.Detailed the combining of this not all aspect contemplated of general introduction is look at, and both not intended to be pointed out out the scope of key or decisive any or all aspect of elements nor delineate of all aspects.Its unique object is the sequence that some concepts that will provide one or more aspect in simplified form think the more detailed description provided after a while.
The object of the invention is to solve the problem, provide a kind of grab claw high-power water-cooling energy consumption system of grab dredger, the mode of water-cooled energy consumption can be adopted to realize the object of grab claw energy consumption consumption, be conducive to reducing costs.
Technical scheme of the present invention is: the grab claw high-power water-cooling energy consumption system that present invention is disclosed a kind of grab dredger, comprising:
Brake unit, its input is connected with the dc bus of grab claw frequency changing driving system;
Braking resistor, its input is connected with the output of described brake unit;
Water cooling unit, is connected with the water supply system of hull, and the energy of electric power generation is consumed in braking resistor by heating by braking resistor, and the heating of braking resistor is taken away by water circulation by water cooling unit.
According to an embodiment of the grab claw high-power water-cooling energy consumption system of grab dredger of the present invention, grab claw frequency changing driving system comprises:
Transformer;
Rectifier, its input is connected with the output of transformer;
Inverter, its input is connected with the output of rectifier, and the output of inverter is connected with the drive motors in grab claw.
According to an embodiment of the grab claw high-power water-cooling energy consumption system of grab dredger of the present invention, water cooling unit is supplied water by neatly ring, and this neatly ring is arranged in the revolving body of grab claw.
According to an embodiment of the grab claw high-power water-cooling energy consumption system of grab dredger of the present invention, water cooling unit comprises multiple water-cooling pipeline, dispels the heat to braking resistor.
According to an embodiment of the grab claw high-power water-cooling energy consumption system of grab dredger of the present invention, transferred by water pipe in neatly ring.
The present invention contrasts prior art following beneficial effect: grab claw high-power water-cooling energy consumption system of the present invention adopts water-cooled as the type of cooling of energy consumption system, the heat that the water circulation system on ship can be utilized to be sent by energy consumption system is taken away, greatly reduce material and volume, and substantially increase the retardation efficiency of energy consumption system, be conducive to reducing costs.
Accompanying drawing explanation
Fig. 1 shows the structure principle chart of the preferred embodiment of the grab claw high-power water-cooling energy consumption system of grab dredger of the present invention.
Fig. 2 A-2C shows system architecture schematic diagram.
Symbol description:
14 brake units
15 braking resistors
16 water cooling units
11 transformers
121 rectifiers
122 inverters
13 drive motors
17 neatly rings
Detailed description of the invention
After the detailed description of reading embodiment of the present disclosure in conjunction with the following drawings, above-mentioned feature and advantage of the present invention can be understood better.In the accompanying drawings, each assembly is not necessarily drawn in proportion, and the assembly with similar correlation properties or feature may have identical or close Reference numeral.
Fig. 1 shows the principle of the preferred embodiment of the grab claw high-power water-cooling energy consumption system of grab dredger of the present invention, and Fig. 2 A-2C simply shows the structure of system.Refer to Fig. 1, the grab claw high-power water-cooling energy consumption system of the present embodiment comprises: brake unit 14, braking resistor 15 and water cooling unit 16.Water-cooled energy consumption system goes for grab dredger, especially goes for jumbo grab dredger.
The input of brake unit 14 is connected with the dc bus of grab claw frequency changing driving system.The input of braking resistor 15 is connected with the output of brake unit 14.Water cooling unit 16 is connected with the water supply system of hull, and the energy of electric power generation is consumed in braking resistor by heating by braking resistor 15, and the heating of braking resistor is taken away by water circulation by water cooling unit 16.Preferably, water cooling unit 16 comprises multiple water-cooling pipeline, dispels the heat to braking resistor 15.
Grab claw frequency changing driving system comprises: transformer 11, rectifier 121, inverter 122.The input of rectifier 121 is connected with the output of transformer 11.The input of inverter 122 is connected with the output of rectifier 121, and the output of inverter 122 is connected with the drive motors 13 in grab claw.
Water cooling unit 16 is supplied water by the neatly ring 17 be arranged in the revolving body of grab claw.Structure and the centre collector ring slip ring of neatly ring 17 are similar, are just changed into the switching of water pipe by the switching of cable.
Above-described embodiment is available to those of ordinary skill in the art to realize and uses of the present invention; those of ordinary skill in the art can be without departing from the present invention in the case of the inventive idea; various modifications or change are made to above-described embodiment; thus protection scope of the present invention not limit by above-described embodiment, and should be the maximum magnitude meeting the inventive features that claims are mentioned.
Claims (5)
1. a grab claw high-power water-cooling energy consumption system for grab dredger, is characterized in that, comprising:
Brake unit, its input is connected with the dc bus of grab claw frequency changing driving system;
Braking resistor, its input is connected with the output of described brake unit;
Water cooling unit, is connected with the water supply system of hull, and the energy of electric power generation is consumed in braking resistor by heating by braking resistor, and the heating of braking resistor is taken away by water circulation by water cooling unit.
2. the grab claw high-power water-cooling energy consumption system of grab dredger according to claim 1, it is characterized in that, grab claw frequency changing driving system comprises:
Transformer;
Rectifier, its input is connected with the output of transformer;
Inverter, its input is connected with the output of rectifier, and the output of inverter is connected with the drive motors in grab claw.
3. the grab claw high-power water-cooling energy consumption system of grab dredger according to claim 1, it is characterized in that, water cooling unit is supplied water by neatly ring, and this neatly ring is arranged in the revolving body of grab claw.
4. the grab claw high-power water-cooling energy consumption system of grab dredger according to claim 1, is characterized in that, water cooling unit comprises multiple water-cooling pipeline, dispels the heat to braking resistor.
5. the grab claw high-power water-cooling energy consumption system of grab dredger according to claim 3, is characterized in that, transferred in neatly ring by water pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410184300.XA CN105089093A (en) | 2014-05-04 | 2014-05-04 | Grab dredger grab bucket machine large power water cooling energy-consumption system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410184300.XA CN105089093A (en) | 2014-05-04 | 2014-05-04 | Grab dredger grab bucket machine large power water cooling energy-consumption system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105089093A true CN105089093A (en) | 2015-11-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410184300.XA Pending CN105089093A (en) | 2014-05-04 | 2014-05-04 | Grab dredger grab bucket machine large power water cooling energy-consumption system |
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| CN (1) | CN105089093A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101148148A (en) * | 2006-09-20 | 2008-03-26 | 施尼温特有限两合公司 | Ship propulsion |
| CN101457537B (en) * | 2008-12-26 | 2011-05-04 | 太原重工股份有限公司 | AC frequency control apparatus for large-sized mining dredger and control system thereof |
| EP2374944A1 (en) * | 2008-12-01 | 2011-10-12 | Sumitomo Heavy Industries, LTD. | Hybrid construction machine |
| CN203393762U (en) * | 2013-08-07 | 2014-01-15 | 武桥重工集团股份有限公司 | Driving system of grab mechanism of dredger |
-
2014
- 2014-05-04 CN CN201410184300.XA patent/CN105089093A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101148148A (en) * | 2006-09-20 | 2008-03-26 | 施尼温特有限两合公司 | Ship propulsion |
| EP2374944A1 (en) * | 2008-12-01 | 2011-10-12 | Sumitomo Heavy Industries, LTD. | Hybrid construction machine |
| CN101457537B (en) * | 2008-12-26 | 2011-05-04 | 太原重工股份有限公司 | AC frequency control apparatus for large-sized mining dredger and control system thereof |
| CN203393762U (en) * | 2013-08-07 | 2014-01-15 | 武桥重工集团股份有限公司 | Driving system of grab mechanism of dredger |
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Application publication date: 20151125 |
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| RJ01 | Rejection of invention patent application after publication |