CN104863797A - Offshore wind driven generator adopting welded valve and zinc alloy piston buffering - Google Patents
Offshore wind driven generator adopting welded valve and zinc alloy piston buffering Download PDFInfo
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- CN104863797A CN104863797A CN201510265204.2A CN201510265204A CN104863797A CN 104863797 A CN104863797 A CN 104863797A CN 201510265204 A CN201510265204 A CN 201510265204A CN 104863797 A CN104863797 A CN 104863797A
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P80/00—Climate change mitigation technologies for sector-wide applications
- Y02P80/10—Efficient use of energy, e.g. using compressed air or pressurized fluid as energy carrier
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Abstract
The invention relates to an island or coastal power generation auxiliary device, in particular to an offshore wind driven generator adopting a welded valve and zinc alloy piston buffering. Platform hinges are arranged on the circumference of an operation platform and connected with the upper ends of double-screw-joint-piston bidirectional buffers. The lower ends of the double-screw-joint-piston bidirectional buffers are connected with fixing supporting legs. An electro-mechanical transformation unit, an energy storage cabinet and a cooling pump are fixedly installed on the operation platform. A cooling guide pipe is arranged between an exhaust port of the cooling pump and the electro-mechanical transformation unit. A wind wheel rotating shaft extends out of a top cover of the electro-mechanical transformation unit. A blade rotating wheel is fixed and supported by the wind wheel rotating shaft. The horizontal welded check valve is connected between the upper section of a pumping suction pipe and the lower section of a filtering suction pipe in series. The offshore wind driven generator is characterized in that each double-screw-joint-piston bidirectional buffer comprises a screw joint piston rod, a screw joint piston cylinder, a double-screw-joint guide barrel, a double-screw-joint lower end cover and a double-screw-joint upper end cover, wherein an outer threaded connector of the lower end cover is fastened to an inner threaded connection port of the barrel in double-screw-joint and matched modes, and an outer threaded connector of the upper end cover is fastened to an inner threaded connection port of the barrel in double-screw-joint and matched modes.
Description
Technical field
The present invention relates to a kind of island or coastal generating auxiliary device, belong to marine energy development technique application, particularly relate to the one welding valve zinc alloy buffer piston sea wind generator by means of operations offshore platform.
Background technique
After 19th-century mankind generating magnetic force line cutting conductive coil sends electricity, just build up and use mechanical energy
Be transformed into the power station of electric energy, as steam engine generating (be exactly the modern maximum heat power station that generates electricity,
Heat generating, nuclear power generation), water-energy generating electricity (hydro electric power station, seawater tide sunset power station), wind energy
Generating, solar electrical energy generation, oil gas generating etc., they as can be divided into the energy consumption of resource generating and
Renewable energy power generation two kinds, what do energy generating by resource is the above-described firepower amount of sending out, core is dynamic sends out
The generating of electricity, oil gas.Renewable energy sources be hydroelectric power, wind-power electricity generation, geothermal power generation, seawater tide sunset
Generating, solar electrical energy generation etc.
China coast urban industry is flourishing, and populous, electric power resource is in short supply, and island the army and the people's electrical problem is more outstanding.And the shore line of China is very long, marine resources enrich, and strengthen the exploitation dynamics of marine wind energy, effectively can alleviate a difficult problem for coastal cities and island electric power resource.
Marine wind energy generating be unable to do without ocean platform, ocean platform be at sea carrying out generating electricity, drilling well, oil recovery, transporting something containerized, observation, navigation, the movable structure that production and living facilities are provided such as construction.Fixed, movable and semi-fixed type three major types can be divided into by its structural characteristics and working state.The bottom of fixed platform is directly supported by stake, expansion footing or other structures and is bonded to seabed, is divided into pile foundation type and gravity type two kinds by support exists.Movable platform floats in water or is supported on seabed, another well location can be moved to from a well location, connect support exists and can be divided into end formula and floating type two classes, studying novel semi-fixed type ocean platform in recent years, it can be fixed in deep water, have high movable again, namely tension leg type platform belongs to this type of.
All there is a most serious technical bottleneck and be exactly in the ocean platform of world: anti-sea beat shock-absorbing ability.Because anti-sea beat shock-absorbing ability directly causes maintenance cost high, working life is short.Therefore, must improve the offshore platform structure of prior art, adopt the measure of high efficiency buffer shock-absorbing, to meet the needs of marine mining.
Coolant pump in Oversea wind power generation plateform system must be equipped with one-way valve, could solve the diversion problem of each pump startup.The one-way valve of current use, as: steel ball type, valve type and gravity type, the major defect of existence is: inner owing to being provided with the drag losses that spring causes generation larger.Particularly use in torrent pipeline, damping spring impacts generation bias voltage or malfunctioning once can not bear torrent, just likely causes unpredictalbe accident to occur.Therefore the sensitivity of one-way valve and the Pinch technology that always becomes working life in Oversea wind power generation plateform system on supporting pipeline with it.
Summary of the invention
The invention provides the two two-way shock absorber structure of thread piston of a kind of employing zinc alloy, the wind electricity generating system of Bound moisture flat welded safety check, solves the technical bottleneck of the wind energy generating plant on islands and reefs or island, specific as follows:
Welding valve zinc alloy buffer piston sea wind generator, the circle edge of working platform there is Platform hinge be connected with two piston two-way buffer upper tip that is spirally connected, two piston two-way buffer lower end that is spirally connected is connected with fixed feet, described working platform is installed with data-collection unit and accumulation of energy storage cabinet and cooling pump, has between accumulation of energy storage cabinet with data-collection unit and be connected wire
,cooling duct is had between cooling pump exhaust port and data-collection unit, described data-collection unit top cover there is wind wheel rotating shaft to stretch out, wind wheel rotating shaft fixedly support fan blade runner, cooling pump suction port has pump suction pipe epimere, horizontal welded check valve is also in series with, as improvement between pump suction pipe epimere and filter pipet hypomere:
Described be twoly spirally connected that piston two-way buffer comprises the piston rod that is spirally connected, the piston cylinder that is spirally connected, two guide cylinder that is spirally connected, two lower end cap and two upper end cap that is spirally connected of being spirally connected; The described piston rod one end that is spirally connected is airtight is fixed with external sealed piston, porose seal ring in external sealed outside piston groove, hole seal ring and be spirally connected between piston cylinder endoporus and form movable sealing, the piston rod the other end that is spirally connected has the outer screw joint of piston rod, and the outer screw joint outside dimension of piston rod is less than or equal to the piston rod outside dimension that is spirally connected; The described piston cylinder one end that is spirally connected is airtight is fixed with interior packed-piston, has axle seal ring in interior packed-piston internal bore groove, axle seal ring and be spirally connected between piston rod cylindrical and form movable sealing, and the piston cylinder the other end that is spirally connected has threaded joint in cylinder; There is threaded joint in cylinder described two guide cylinder one end that are spirally connected, the endoporus cylindrical wall of described two another perforate ends of guide cylinder that are spirally connected and being spirally connected between piston cylinder cylindrical as being slidably matched; Described two lower end caps that are spirally connected have the outer screw joint of lower end cap, there is buffer lower end two lower end cap outer end that is spirally connected; Described two upper end caps that are spirally connected have the outer screw joint of upper end cap, there is end cap screw in two inboard face of the upper end cap that is spirally connected, and there is buffer upper tip two upper end cap outer end that is spirally connected; Being two secure fit that are spirally connected between threaded joint in the outer screw joint of described lower end cap and cylinder, is two secure fit that are spirally connected between threaded joint in the outer screw joint of described upper end cap and described cylinder; External sealed piston and two being spirally connected form first between lower end cap and cushion cavity, form second and cushion cavity between external sealed piston and interior packed-piston;
Described be spirally connected piston cylinder and described two guide cylinders that are spirally connected are all overallly adopt zinc alloy steel, this zinc alloy steel is made up of the component of following weight percentage: Zn:32 ~ 34%, Cu:11 ~ 13%, W:6.4 ~ 6.6%, Ti:12 ~ 13%, Cr:11 ~ 12%, Sn:2 ~ 3%, Ni:7 ~ 8%, Co:1 ~ 2%, and surplus is Fe and inevitable impurity; The weight percent content of described impurity is: C is less than 0.05%, Si is less than 0.20%, Mn is less than 0.25%, S is less than 0.0l%, P and is less than 0.015%;
Described interior packed-piston and external sealed piston are all overall employing boron carbide ceramics; Described boron carbide ceramics with
(boron carbide) composite material is base-material, be equipped with mineralizing agent MgO (magnesium oxide),
(barium carbouate) and bonding clay form, and the weight percent content of its each component is
: 91 ~ 92%, MgO:2.7 ~ 2.9%,
: 2.4 ~ 2.6%, bonding clay: 3.2 ~ 3.4%.
As further improvement: described horizontal welded check valve comprises cylinder axis, rotation spool, soldered splice valve body, fastening screw trip bolt and outer end cap, outlet elbow on described soldered splice valve body and import bend pipe outer end are all connected with the external straight tube of valve, the valve joint end face of the external straight tube of valve have welding slope mouth; There is annulus weld line between the welding slope mouth of import bend pipe side and filter pipet hypomere, between the welding slope mouth of outlet elbow side and pump suction pipe epimere, also have annulus weld line; Described outlet elbow the inner is connected to the valve body inletpiston hard layer of described soldered splice valve body, and described import bend pipe the inner is connected to the valve outlet plane hard layer of described soldered splice valve body; Described valve body inletpiston hard layer is connected with the fan-shaped cambered surface of valve body with the top edge of valve outlet plane hard layer, described valve body inletpiston hard layer is connected with valve body circle concave arc surface with the lower limb of valve outlet plane hard layer, and the valve body side plane of described soldered splice valve body both sides respectively has screw hole; Outer end cap described in two there is the end cap counterbore corresponding with described screw hole; Described fastening screw trip bolt matches with described screw hole is fastening through described end cap counterbore, is close to airtight by the end cap inner plane of described outer end cap and described valve body side plane; Enclosing cover axis hole on outer end cap described in two and described cylinder axis two ends are sealed and matched; Described cylinder axis cylindrical coordinates with the spool circular hole rotary sliding of described rotation spool; The described valve element circle end surfaces of rotation spool both sides and the end cap inner plane Spielpassung of the outer end cap described in two; The spool pipe cambered surface of described rotation spool has spool fan-shaped cylinder; There is ring runner mouth the side, spool import liner plate face of described spool fan-shaped cylinder, and there is circular flow channel mouth the spool outlet side, liner plate face of described spool fan-shaped cylinder; Have between described ring runner mouth and described circular flow channel mouth and be out of shape runner and be connected; Six leaf connecting tendons are had to be connected between the bend flow channel conical section that described distortion runner contains and described spool fan-shaped cylinder;
The thickness of described valve body inletpiston hard layer and described valve outlet plane hard layer is 1.5 to 1.7 millimeters, and the material of described valve body inletpiston hard layer and described valve outlet plane hard layer also all adopts zinc alloy steel;
Described rotation spool and bend flow channel conical section thereof and spool fan-shaped cylinder channel floor material all adopt rubber industry; Described spool import liner plate face 728 and described spool outlet liner plate face have thickness to be the ceramic lining plate of 1.6 to 1.8 millimeters, and this ceramic lining plate is also all overallly adopt boron carbide ceramics.
As further improvement: the described piston cylinder internal diameter that is spirally connected is 320 to 322 millimeters, the described diameter of piston rod that is spirally connected is 62 to 64 millimeters, in described cylinder, threaded joint is M330 × 4, the described guide cylinder internal diameter that is spirally connected is 350 to 352 millimeters, in described cylinder, threaded joint is M360 × 4, and the outer screw joint of described piston rod is M60 × 2.
Beneficial effect of the present invention
(1) circle edge of, working platform there is Platform hinge be connected with two piston two-way buffer one end that is spirally connected, two piston two-way buffer the other end that is spirally connected is connected with fixed feet, and described two being spirally connected has 45 degree of angles between piston two-way buffer and described working platform plane and arranges, guarantees that working platform is steadily fixed;
(2), two piston two-way buffer that is spirally connected adopts two ends to be threaded in conjunction with double-piston seal shock-proof, and every only two piston two-way buffer that is spirally connected can bear pulling force or pressure simultaneously, guarantees that working platform can resist the sea beat from any orientation;
(3), horizontal welded check valve integral level place, spool fan-shaped cylinder is positioned at above spool circular hole.Without any obstruction parts such as springs in horizontal welded check valve one-piece element, eliminate because one-way valve fault causes cooling accident, decrease the expensive maintenance expenses that islands and reefs bad environments repairs difficulty.Application can normally run before guaranteeing annual system equipment general overhaul by horizontal welded check valve, eliminates because one-way valve fault causes cooling accident, decreases the expensive maintenance expenses that islands and reefs bad environments repairs difficulty;
(4), the interior packed-piston of boron carbide ceramics material and the surface roughness extent of damage of external sealed outer surface of piston are much smaller than the surface roughness extent of damage of 316 stainless steels.The surface roughness extent of damage of zinc alloy hard anticorrosive material is much smaller than the surface roughness extent of damage of 316 stainless steels;
(5), horizontal welded check valve and two piston two-way buffer that is spirally connected are combined by working platform by the present invention, solve two hang-ups always perplexing Oversea wind power generation: coolant pump starts diversion and buffer problem, achieves beyond thought effect simultaneously.
Accompanying drawing explanation
Fig. 1 is overall side schematic view of the present invention.
Fig. 2 is Fig. 1 plan view.
Fig. 3 is the two piston two-way buffer 445 amplification profile schematic diagram that are spirally connected in Fig. 1 or Fig. 2.
Fig. 4 is upper end cap 620 part sectioned view that is spirally connected in Fig. 3.
Fig. 5 is the side cutaway view after Fig. 4 90-degree rotation.
Fig. 6 is lower end cap 119 part sectioned view that is spirally connected in Fig. 3.
Fig. 7 is the side cutaway view after Fig. 6 90-degree rotation.
Fig. 8 be in Fig. 3 by appoint guide cylinder 612 sectional drawing.
Fig. 9 be in Fig. 3 by appoint piston cylinder 613 sectional drawing.
Figure 10 be in Fig. 3 by appointing piston rod 611 and external sealed piston 936 to be fixed together sectional drawing.
Figure 11 is the sectional drawing forward circulation status of the horizontal welded check valve 490 mistake shaft axis in Fig. 1.
Figure 12 is that the horizontal welded check valve 490 mistake shaft axis in Figure 11 is in reverse blocking state.
Figure 13 is A ~ A sectional view in Figure 11.
Figure 14 is soldered splice valve body 730 stereogram in Figure 11 or Figure 12.
Figure 15 is rotation spool 720 stereogram (representing ring runner mouth 722) in Figure 11.
Figure 16 is rotation spool 720 stereogram (representing circular flow channel mouth 721) in Figure 12.
Embodiment
The present invention is described in detail below in conjunction with the drawings and specific embodiments:
Fig. 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5, Fig. 6, Fig. 7, Fig. 8, in Fig. 9 and Figure 10: a kind of welding valve zinc alloy buffer piston sea wind generator, the circle edge of working platform 410 there is Platform hinge 444 be connected with two piston two-way buffer 445 upper tip that is spirally connected, two piston two-way buffer 445 lower end that is spirally connected is connected with fixed feet 446, described working platform 410 is installed with data-collection unit 441 and accumulation of energy storage cabinet 448 and cooling pump 438, have between accumulation of energy storage cabinet 448 with data-collection unit 441 and be connected wire 449, cooling duct 447 is had between cooling pump 438 exhaust port and data-collection unit 441, described data-collection unit 441 top cover there is wind wheel rotating shaft 442 to stretch out, wind wheel rotating shaft 442 fixedly support fan blade runner 443, cooling pump 438 suction port has pump suction pipe epimere 494, horizontal welded check valve 490 is also in series with between pump suction pipe epimere 494 and filter pipet hypomere 477, as improvement:
Described be twoly spirally connected that piston two-way buffer 445 comprises the piston rod 611 that is spirally connected, the piston cylinder 613 that is spirally connected, the guide cylinder 612 that is spirally connected, be spirally connected lower end cap 119 and the upper end cap 620 that is spirally connected; Described be spirally connected that piston rod 611 one end is airtight is fixed with external sealed piston 936, porose seal ring 636 in external sealed piston 936 peripheral groove, hole seal ring 636 and be spirally connected between piston cylinder 613 endoporus and form movable sealing, piston rod 611 the other end that is spirally connected has the outer screw joint 625 of piston rod, and outer screw joint 625 outside dimension of piston rod is less than or equal to piston rod 611 outside dimension that is spirally connected; Described piston cylinder 613 one end that is spirally connected is airtight is fixed with interior packed-piston 621, axle seal ring 626 is had in interior packed-piston 621 internal bore groove, axle seal ring 626 and be spirally connected between piston rod 611 cylindrical and form movable sealing, piston cylinder 613 the other end that is spirally connected has threaded joint 191 in cylinder; There is threaded joint 617 in cylinder described guide cylinder 612 one end that is spirally connected, the endoporus cylindrical wall of described another perforate end of guide cylinder 612 that is spirally connected and being spirally connected between piston cylinder 613 cylindrical as being slidably matched; The described lower end cap 119 that is spirally connected has the outer screw joint 921 of lower end cap, there is buffer lower end 632 lower end cap 119 outer end that is spirally connected; The described upper end cap 620 that is spirally connected has the outer screw joint 627 of upper end cap, there is end cap screw 615 in the inboard face of upper end cap 620 that is spirally connected, and there is buffer upper tip 622 upper end cap 620 outer end that is spirally connected; Being two secure fit that are spirally connected between threaded joint 191 in the outer screw joint 921 of described lower end cap and cylinder, is two secure fit that are spirally connected between threaded joint 617 in the outer screw joint 627 of described upper end cap and described cylinder; External sealed piston 936 and be spirally connected and form first between lower end cap 119 and cushion cavity 111, forms second and cushions cavity 112 between external sealed piston 936 and interior packed-piston 621.
Described piston cylinder 613 and the described guide cylinder 612 that is spirally connected of being spirally connected is all the overall zinc alloy Steel material adopting high-strength corrosion-resisting, and described interior packed-piston 621 and external sealed piston 936 are all overallly adopt boron carbide ceramics.
As further improvement: in Fig. 1, Figure 11, Figure 12, Figure 13, Figure 14, Figure 15 and Figure 16, described horizontal welded check valve 490 comprise cylinder axis 710, rotation spool 720, in be spirally connected valve body 730, fastening screw trip bolt 770 and outer end cap 790, there is interior screw joint 735 be spirally connected in described outlet elbow 731 on valve body 730 and import bend pipe 732 outer end, and interior screw joint 735 outer end has and connects internal thread 737 and bottom conical seal surface 734; Described outlet elbow 731 the inner be connected to described in be spirally connected the valve body import wearing layer 738 of valve body 730, described import bend pipe 732 the inner be connected to described in be spirally connected the valve outlet wearing layer 739 of valve body 730; Described valve body import wearing layer 738 is connected with the fan-shaped cambered surface 763 of valve body with the top edge of valve outlet wearing layer 739, described valve body import wearing layer 738 is connected with valve body circle concave arc surface 762 with the lower limb of valve outlet wearing layer 739, and the valve body side plane 736 of valve body 730 both sides that are spirally connected in described respectively has screw hole 727; Outer end cap 790 described in two there is the end cap counterbore 797 corresponding with described screw hole 727; Described fastening screw trip bolt 770 matches with described screw hole 727 is fastening through described end cap counterbore 797, is close to airtight by end cap inner plane 798 and the described valve body side plane 736 of described outer end cap 790; Enclosing cover axis hole 791 on outer end cap 790 described in two is sealed and matched with described cylinder axis 710 two ends; Described cylinder axis 710 cylindrical coordinates with spool circular hole 781 rotary sliding of described rotation spool 720; End cap inner plane 798 Spielpassung of the valve element circle end surfaces 789 of described rotation spool 720 both sides and the outer end cap 790 described in two; The spool pipe cambered surface 782 of described rotation spool 720 has spool fan-shaped cylinder 725; There is ring runner mouth 722 side, spool import liner plate face 728 of described spool fan-shaped cylinder 725, and there is circular flow channel mouth 721 the spool outlet side, liner plate face 729 of described spool fan-shaped cylinder 725; Have between described ring runner mouth 722 and described circular flow channel mouth 721 and be out of shape runner 788 and be connected; Three leaf connecting tendons 744 are had to be connected between bend flow channel cone 724 part that described distortion runner 788 contains and described spool fan-shaped cylinder 725; Described rotation spool 720 and bend flow channel cone 724 part thereof and spool fan-shaped cylinder 725 channel floor material all adopt rubber industry, described spool import liner plate face 728 and described spool outlet liner plate face 729 have thickness to be the ceramic village plate of 1.0 to 1.2 millimeters, and this ceramic village plate has wear-resisting functions;
Described ceramic village plate adopts silicon nitride ceramics, this silicon nitride ceramics with
(silicon nitride) is base-material, be equipped with mineralizing agent MgO (magnesium oxide),
, (barium carbouate) and bonding clay form, and the weight percent content of its each component is
: 93.5 ~ 93.7%; MgO:1.6 ~ 1.8%%;
: 2.2 ~ 2.4%; Bonding clay: 2.3 ~ 2.5%;
Described valve body import coating 738 and the thickness of described valve outlet coating 739 are 1.5 to 1.7 millimeters, and described valve body import wearing layer 738 and described valve outlet wearing layer 739 also all adopt described manganese alloy steel.
As further improvement: described piston cylinder 613 internal diameter that is spirally connected is 320 to 322 millimeters, described piston rod 611 diameter that is spirally connected is 62 to 64 millimeters, in described cylinder, threaded joint 191 is M330 × 4, described guide cylinder 612 internal diameter that is spirally connected is 350 to 352 millimeters, in described cylinder, threaded joint 617 is M360 × 4, and the outer screw joint 625 of described piston rod is M60 × 2.
As further improvement: described circular flow channel mouth 721 diameter is equal to or less than described outlet elbow 731 Flow diameter; There is exit face seal groove 751 in described spool outlet liner plate face 729, and described exit face seal groove 751 diameter is greater than described outlet elbow 731 Flow diameter 15 to 16 millimeters.
As further improvement: described ring runner mouth 722 inner ring diameter is than large 30 to 32 millimeters described of import bend pipe 732 Flow diameter; Described spool import liner plate face 728 there is inlet face seal groove 752, described inlet face seal groove 752 diameter is less than described ring runner mouth 722 inner ring diameter 14 to 15 millimeters, and described inlet face seal groove 752 diameter is greater than described import bend pipe 732 Flow diameter 14 to 15 millimeters.
As further improvement: described enclosing cover axis hole 791 has dead axle seal groove 759.
As further improvement: the angle between described valve body inletpiston hard layer 738 and described valve outlet plane hard layer 739 is 100 degree to 102 degree; Extension angle line and described cylinder axis 710 shaft axis of described valve body inletpiston hard layer 738 and described valve outlet plane hard layer 739 overlap.
As further improvement: described spool import liner plate face 728 and the described spool angle exported between liner plate face 729 are 59 to 61 to spend; Described spool import liner plate face 728 and described spool export the extension angle line in liner plate face 729 and described cylinder axis 710 shaft axis overlaps.
As further improvement: described valve body fan-shaped cambered surface 763 shaft axis and described cylinder axis 710 shaft axis overlap, described valve body circle concave arc surface 762 shaft axis and described cylinder axis 710 shaft axis overlap.
As further improvement: described spool pipe cambered surface 782 shaft axis and described cylinder axis 710 shaft axis overlap, described spool fan-shaped cambered surface 783 shaft axis and described cylinder axis 710 shaft axis overlap.
As further improvement: the gap between described spool pipe cambered surface 782 and described valve body circle concave arc surface 762 is 8 to 9 millimeters; Gap between the fan-shaped cambered surface of spool 783 of described spool fan-shaped cylinder 725 and the fan-shaped cambered surface 763 of described valve body is 8 to 9 millimeters; Gap between the fan-shaped side of spool 785 of described spool fan-shaped cylinder 725 and described end cap inner plane 798 is 8 to 9 millimeters.
in embodiment:
Spool import liner plate face 728 and spool outlet liner plate face 729 have thickness to be the boron carbide ceramics liner plate of 1.7 millimeters, this boron carbide ceramics with
(boron carbide) composite material is base-material, be equipped with mineralizing agent MgO (magnesium oxide),
(barium carbouate) and bonding clay form, and the weight percent content of its each component is
: 91.5%, MgO:2.8%,
: 2.56%, bonding clay: 3.2%.
The concrete making method of this boron carbide ceramics liner plate is by after the fusion according to a certain ratio of above-mentioned each material, compressing, calcines shaping under 1730 DEG C of high temperature; Then with Bond, itself and rubber industry surface are bondd in one.
According to the boron carbide ceramics liner plate that above proportioning and method make, a kind of novel diamond spar material is formed under 1730 DEG C of high-temperature calcinations, can find out that its principal crystalline phase is corundum under the microscope, and accompany a small amount of mullite and glassy phase, its Mohs hardness is greater than 7.7, is less than 7.88, not only has good intensity but also the energy that has good wearability.
The thickness of valve body inletpiston hard layer 738 and valve outlet plane hard layer 739 is 1.6 millimeters, the material of valve body inletpiston hard layer 738 and valve outlet plane hard layer 739 all adopts zinc alloy hard anticorrosive material, this zinc alloy hard anticorrosive material is made up of the component of following weight percentage: Zn:33%, Cu:12%, W:6.5%, Ti:12.5%, Cr:11.5%, Sn:2.5%, Ni:7.5%, Co:1.5%, and surplus is Fe and inevitable impurity; The weight percent content of described impurity is: C:0.03%, Si:0.12%, Mn:0.17%, S:0.008%, P:0.011%.This zinc alloy Steel material has the characteristic of high-strength corrosion-resisting.
After Zinc alloy powder being sprayed on portion faces residing for the valve body inletpiston hard layer 738 of soldered splice valve body 730 and valve outlet plane hard layer 739 with oxy arc, closed electric furnace is put into by whole for soldered splice valve body 730, in stove, input nitrogen with the flow of 5 L/min simultaneously, then after being heated to 1100 DEG C, power-off is died, come out of the stove when cooling to 210 DEG C with the furnace, namely complete the valve body inletpiston hard layer 738 of soldered splice valve body 730 and the surfacing of valve outlet plane hard layer 739.
Soldered splice valve body 730 horizontal arrangement, the angle between valve body inletpiston hard layer 738 and described valve outlet plane hard layer 739 is 101 degree, and spool import liner plate face 728 and the described spool angle exported between liner plate face 729 is 60 degree.During forward flow, the spool of spool fan-shaped cylinder 725 outlet liner plate face 729 turns clockwise 20.5 degree and just can be attached on valve outlet plane hard layer 739 by fluid thrust, makes circular flow channel mouth 721 aim at outlet elbow 731; Fluid is from ring runner mouth 722 after distortion runner 788, and the fluid being pooled to circular flow channel mouth 721 flows out from outlet elbow 731; During reverse flow, the spool import liner plate face 728 of spool fan-shaped cylinder 725 is rotated counterclockwise 20.5 degree and just can be attached on valve body inletpiston hard layer 738 by fluid thrust, because ring runner mouth 722 and import bend pipe 732 stagger, fluid from circular flow channel mouth 721 through distortion runner 788 after, be stopped in ring runner mouth 722, cannot flow out from import bend pipe 732, make, without any obstruction parts such as springs in the utility model one-piece element, just can realize one-way flow function.
Circular flow channel mouth 721 diameter equals outlet elbow 731 Flow diameter; There is exit face seal groove 751 in described spool outlet liner plate face 729, and described exit face seal groove 751 diameter is greater than described outlet elbow 731 Flow diameter 10 millimeters.
Ring runner mouth 722 inner ring diameter is than large 21 millimeters described of import bend pipe 732 Flow diameter; Inlet face seal groove 752 diameter is less than described ring runner mouth 722 inner ring diameter 8 millimeters, and inlet face seal groove 752 diameter is greater than described import bend pipe 732 Flow diameter 8 millimeters.
Gap between spool pipe cambered surface 782 and described valve body circle concave arc surface 762 is 2 millimeters; Gap between the fan-shaped cambered surface of spool 783 of described spool fan-shaped cylinder 725 and the fan-shaped cambered surface 763 of described valve body is 2 millimeters; Gap between the fan-shaped side of spool 785 of described spool fan-shaped cylinder 725 and described end cap inner plane 798 is 2 millimeters.
The runner outside diameter of ring runner mouth 722 is 195 millimeters, and in the runner of ring runner mouth 722, circular diameter is 144 millimeters; The diameter of circular flow channel mouth 721 is 126 millimeters, and single leaf thickness of six leaf connecting tendons 744 is 9 millimeters.Approximately equal between the actual internal area of ring runner mouth 722 and the actual internal area of circular flow channel mouth 721.
Spool import liner plate face 728 and described spool outlet liner plate face 729 have thickness to be the abrasion-resistant ceramic lining plate of 1.1 millimeters, and the thickness of described valve body inletpiston hard layer 738 and described valve outlet plane hard layer 739 is 1.0 millimeters.
One, valve body assembling process:
(1), by rotation spool 720 put among soldered splice valve body 730, spool pipe cambered surface 782 is positioned among valve body circle concave arc surface 762.Cylinder axis 710 cylindrical coordinates through spool circular hole 781 rotary sliding of rotation spool 720.Put seal ring well in advance in dead axle seal groove 759 on the enclosing cover axis hole 791 of two outer end caps 790, allow the end cap inner plane 798 of two outer end caps 790 respectively towards the valve body side plane 736 of soldered splice valve body 730 both sides, enclosing cover axis hole 791 aims at cylinder axis 710.40 fastening screw trip bolts 770 are each passed through that screw hole 727 on the end cap counterbore 797 of outer end cap 790 and the valve body side plane 736 of soldered splice valve body 730 is fastening to match, and are close to airtight by end cap inner plane 798 and the valve body side plane 736 of outer end cap 790.
(2), valve body pipeline connects:
Welding slope mouth 735 on soldered splice valve body 730 designs, and guarantees and forms solid and reliable annulus weld line 753 between pump suction pipe epimere 494 and filter pipet hypomere 477.
Two, two piston two-way buffer 445 assembling process that is spirally connected of key components and parts of the present invention is as follows:
(1), between the described smooth outer nose circle of the piston rod 611 that is spirally connected and external sealed piston 936 endoporus, interference fit is airtight is integrally fixed, and is placed on by hole seal ring 636 in the seal groove on external sealed piston 936 cylindrical; Described to be spirally connected between piston cylinder 613 opening end endoporus and interior packed-piston 621 cylindrical that interference fit is airtight to be integrally fixed, axle seal ring 626 to be placed in the seal groove on interior packed-piston 621 endoporus.
(2), by outer for the piston rod be spirally connected on piston rod 611 screw joint 625 one end pass through interior packed-piston 621 endoporus, make the outer screw joint 625 of piston rod match fastening with end cap screw 615.
(3), in advance all scribble epoxy resin by outer to threaded joint in cylinder 617 and upper end cap screw joint 627, by threaded joint in cylinder 617 and upper end cap outward screw joint 627 match, the guide cylinder 612 and being spirally connected between upper end cap 620 of making to be spirally connected is sealedly connected and fixed;
All scribble epoxy resin by outer to threaded joint in cylinder 191 and lower end cap screw joint 921 in advance, by threaded joint in cylinder 191 and lower end cap outward screw joint 921 match, the lower end cap 119 and being spirally connected between piston cylinder 613 of making to be spirally connected is sealedly connected and fixed.
Achieve, the hole seal ring 636 in external sealed piston 936 peripheral groove and described being spirally connected between piston cylinder 613 endoporus form movable sealing; Axle seal ring 626 in interior packed-piston 621 internal bore groove and described being spirally connected between piston rod 611 cylindrical form movable sealing.Meanwhile, the endoporus cylindrical wall of the described guide cylinder 612 perforate end that is spirally connected and described be spirally connected to form between piston cylinder 613 cylindrical be slidably matched, play leading role.Described external sealed piston 936 and described being spirally connected form first between lower end cap 119 and cushion cavity 111, form second and cushion cavity 112 between external sealed piston 936 and interior packed-piston 621.
(4), integrated connection
Six two buffer upper tips 622 be spirally connected on piston two-way buffer 445 are connected with six Platform hinge 444 in working platform 410 circle edge successively, two buffer lower end 632 be spirally connected on piston two-way buffer 445 is connected with six fixed feet 446 successively.
Have between accumulation of energy storage cabinet 448 with data-collection unit 441 and be connected wire 449, rotate when sea wind blows fan blade runner 443, then wind wheel rotating shaft 442 is driven to rotate, in data-collection unit 441 inside, mechanical energy is converted to electric energy, by connecting wire 449 by electrical power storage among accumulation of energy storage cabinet 448 or being directly supplied to people on islands and reefs uses.Data-collection unit cooling system is equipped with in data-collection unit 441; particularly be equipped with horizontal welding before cooling pump 438 and connect safety check 490; not only can guarantee that data-collection unit 441 long-time running can not be generated heat; and cooling pump 438 without the need to adding diversion just remote-controlled startup, can realize remote auto manipulation.
Under sea beat, when two piston two-way buffer 445 that is spirally connected subjects tensile load, closed gas in two the first buffering cavity 111 be spirally connected in piston two-way buffer 445 expands, the closed gas compression in two the first buffering cavity 112 be spirally connected in piston two-way buffer 445;
Under sea beat, when two piston two-way buffer 445 that is spirally connected subjects pressure load, closed gas compression in two the first buffering cavity 111 be spirally connected in piston two-way buffer 445, the closed gas in two the first buffering cavity 112 be spirally connected in piston two-way buffer 445 expands.No matter be under pressure or under tension impact, two piston two-way buffers 445 that are spirally connected can both play the effect of bumper and absorbing shock.
In Figure 11, when forward fluid is come in from import bend pipe 732, after the spool outlet liner plate face 729 that initial fluid promotes spool fan-shaped cylinder 725 is adjacent to valve outlet plane hard layer 739, runner defines: from import bend pipe 732 to ring runner mouth 722 through distortion runner 788 from circular flow channel mouth 721 out, then from the smooth and easy process that outlet elbow 731 is gone out.Seal ring in exit face seal groove 751 plays seal action between spool outlet liner plate face 729 and valve outlet plane hard layer 739.Spool import liner plate face 728 pressure is greater than spool outlet liner plate face 729 pressure, guarantees that the forward fluid of Channel Group can not produce backflow phenomenon.Overall process duration just can maintenance work without the need to additionally consuming any energy consumption.
In Figure 12, when counter fluid is come in from outlet elbow 731, after the spool import liner plate face 728 that initial fluid promotes spool fan-shaped cylinder 725 is adjacent to valve body inletpiston hard layer 738, runner is cut off.Blocked by spool import liner plate face 728 during from outlet elbow 731 to circular flow channel mouth 721 through being out of shape runner 788 at ring runner mouth 722, the seal ring in inlet face seal groove 752 plays seal action between spool import liner plate face 728 and valve body inletpiston hard layer 738.Be cut off the counter fluid after circulation and cannot arrive import bend pipe 732 again, spool outlet liner plate face 729 pressure is greater than spool import liner plate face 728 pressure, guarantees that unidirectional cutoff is reliable and stable.Just can maintenance work without the need to additionally consuming any energy consumption duration of whole cut-off.
Design especially by means of the distortion runner 788 on the spool fan-shaped cylinder 725 around the rotation of cylinder axis 710 shaft axis, achieve after starting force pushes spool open, residue work is omnidistance without the need to additionally consuming any energy consumption, just accurately can realize the opening and closing function of one-way valve.
Three, the present invention possesses following outstanding substantive distinguishing features and progress significantly:
(1) circle edge of, working platform 410 there is Platform hinge 444 be connected with two piston two-way buffer 445 one end that is spirally connected, two piston two-way buffer 445 the other end that is spirally connected is connected with fixed feet 446, and described two being spirally connected has 45 degree of angles between piston two-way buffer 445 and described working platform 410 plane and arranges, guarantees that working platform 410 is steadily fixed.
(2), two piston two-way buffer 445 that is spirally connected adopts two ends to be threaded in conjunction with double-piston seal shock-proof, every only two piston two-way buffer 445 that is spirally connected can bear pulling force or pressure simultaneously, guarantees that working platform 410 can resist the sea beat from any orientation.
(3), horizontal welded check valve 490 integral level place, spool fan-shaped cylinder 725 is positioned at above spool circular hole 781.Without any obstruction parts such as springs in horizontal welded check valve 490 one-piece element, eliminate because one-way valve fault affects the hidden danger that oil field system pipeline stops fault.Application level welded check valve 490 can normally run before guaranteeing annual system equipment general overhaul, eliminates because one-way valve fault causes cooling accident, decreases the expensive maintenance expenses that islands and reefs bad environments repairs difficulty.
(4), the interior packed-piston 621 of boron carbide ceramics material and the surface roughness extent of damage of external sealed piston 936 outer surface are much smaller than the surface roughness extent of damage of 316 stainless steels.The surface roughness extent of damage of zinc alloy hard anticorrosive material is much smaller than the surface roughness extent of damage of 316 stainless steels.
Five, horizontal welded check valve 490 and two piston two-way buffer 445 that is spirally connected are combined by working platform 410 by the present invention, solve two hang-ups always perplexing Oversea wind power generation: coolant pump starts diversion and buffer problem, achieves beyond thought effect simultaneously.
Table 1 is that the interior packed-piston 621 of boron carbide ceramics and the anti-corrosion wear laboratory data of the stainless interior packed-piston 621 of external sealed piston 936 and 316 and external sealed piston 936 contrast.
The experiment contrast table of (table 1) interior packed-piston 621 and external sealed piston 936
Can be drawn by the contrasting data of table 1: the corrosion resistant antiwear ability of boron carbide ceramics piston is better than 316 stainless steel pistons far away.
Table 2 is all the overall zinc alloy Steel material adopting high-strength corrosion-resisting for be spirally connected piston cylinder 613 and the guide cylinder 612 that is spirally connected, and is all overallly adopt the surface roughness extent of damage laboratory data of 316 stainless steels to contrast be spirally connected piston cylinder 613 and the guide cylinder 612 that is spirally connected.
(table 2) is spirally connected the experiment contrast table of piston cylinder 613 and the guide cylinder 612 that is spirally connected
Can be drawn by the contrasting data of table 2: the piston cylinder 613 that is spirally connected is all the overall surface roughness extent of damage adopting the surface roughness extent of damage of the zinc alloy Steel material of high-strength corrosion-resisting to be far smaller than 316 stainless steel outer surfaces with the guide cylinder 612 that is spirally connected.
Table 3 is that the corrosion-resistant and combined impulse laboratory data of boron carbide ceramics liner plate and 316 stainless steel liner plates contrasts.
The experiment contrast table in (table 3) spool import liner plate face 728 and spool outlet liner plate face 729
Known by the laboratory data of table 3, the surface abrasion amount of boron carbide ceramics liner plate is far fewer than the surface abrasion amount of 316 stainless steels.
Table 4 adopts the corrosion-resistant and combined impulse laboratory data of zinc alloy hard anticorrosive material of the present invention and 316 stainless steels to contrast.
The experiment contrast table of (table 4) valve body inletpiston hard layer 738 and valve outlet plane hard layer 739
Known by the laboratory data of table 4, the surface roughness extent of damage of zinc alloy hard anticorrosive material is much smaller than the surface roughness extent of damage of 316 stainless steels.
The present invention can normally run before guaranteeing annual system equipment general overhaul, eliminates because one-way valve fault affects the hidden danger that Oversea wind power generation platform dynamo-electric interpreter group cooling system stops fault.
Claims (3)
1. weld valve zinc alloy buffer piston sea wind generator, the circle edge of working platform (410) there is Platform hinge (444) be connected with two piston two-way buffer (445) upper tip that is spirally connected, two piston two-way buffer (445) lower end that is spirally connected is connected with fixed feet (446), described working platform (410) is installed with data-collection unit (441) and accumulation of energy storage cabinet (448) and cooling pump (438), have between accumulation of energy storage cabinet (448) with data-collection unit (441) and be connected wire (449)
,cooling duct (447) is had between cooling pump (438) exhaust port and data-collection unit (441), described data-collection unit (441) top cover there is wind wheel rotating shaft (442) to stretch out, wind wheel rotating shaft (442) fixedly support fan blade runner (443), cooling pump (438) suction port has pump suction pipe epimere (494), also be in series with horizontal welded check valve (490) between pump suction pipe epimere (494) and filter pipet hypomere (477), it is characterized in that:
Described two piston two-way buffers (445) that are spirally connected comprise the piston rod that is spirally connected (611), the piston cylinder that is spirally connected (613), two guide cylinder that is spirally connected (612), two lower end cap that is spirally connected (119) and two upper end cap that is spirally connected (620); The described piston rod that is spirally connected (611) one end is airtight is fixed with external sealed piston (936), porose seal ring (636) in external sealed piston (936) peripheral groove, movable sealing is formed between hole seal ring (636) and the piston cylinder that is spirally connected (613) endoporus, piston rod (611) the other end that is spirally connected has the outer screw joint (625) of piston rod, and outer screw joint (625) outside dimension of piston rod is less than or equal to the piston rod that is spirally connected (611) outside dimension; The described piston cylinder that is spirally connected (613) one end is airtight is fixed with interior packed-piston (621), axle seal ring (626) is had in interior packed-piston (621) internal bore groove, form movable sealing between axle seal ring (626) and the piston rod that is spirally connected (611) cylindrical, the piston cylinder that is spirally connected (613) the other end has threaded joint in cylinder (191); There is threaded joint in cylinder (617) described two guide cylinder (612) one end that are spirally connected, for being slidably matched between the endoporus cylindrical wall of described two guide cylinder (612) another perforate ends that are spirally connected and the piston cylinder that is spirally connected (613) cylindrical; Described two lower end caps (119) that are spirally connected have the outer screw joint (921) of lower end cap, there is buffer lower end (632) the two lower end cap that is spirally connected (119) outer end; Described two upper end caps (620) that are spirally connected there is the outer screw joint (627) of upper end cap, there is end cap screw (615) in the inboard face of two upper end cap that is spirally connected (620), and there is buffer upper tip (622) the two upper end cap that is spirally connected (620) outer end; Being two secure fit that are spirally connected between the outer screw joint (921) of described lower end cap with threaded joint (191) in cylinder, is the secure fit that pair to be spirally connected between the outer screw joint (627) of described upper end cap with threaded joint (617) in described cylinder; External sealed piston (936) and two being spirally connected form first between lower end cap (119) and cushion cavity (111), form second and cushion cavity (112) between external sealed piston (936) and interior packed-piston (621);
The described piston cylinder that is spirally connected (613) and described two guide cylinders (612) that are spirally connected are all overall employing zinc alloy steel, this zinc alloy steel is made up of the component of following weight percentage: Zn:32 ~ 34%, Cu:11 ~ 13%, W:6.4 ~ 6.6%, Ti:12 ~ 13%, Cr:11 ~ 12%, Sn:2 ~ 3%, Ni:7 ~ 8%, Co:1 ~ 2%, and surplus is Fe and inevitable impurity; The weight percent content of described impurity is: C is less than 0.05%, Si is less than 0.20%, Mn is less than 0.25%, S is less than 0.0l%, P and is less than 0.015%;
Described interior packed-piston (621) and external sealed piston (936) are all overall employing boron carbide ceramics; Described boron carbide ceramics with
(boron carbide) composite material is base-material, be equipped with mineralizing agent MgO (magnesium oxide),
(barium carbouate) and bonding clay form, and the weight percent content of its each component is
: 91 ~ 92%, MgO:2.7 ~ 2.9%,
: 2.4 ~ 2.6%, bonding clay: 3.2 ~ 3.4%.
2. welding valve zinc alloy buffer piston sea wind generator according to claim 1, it is characterized in that: described horizontal welded check valve (490) comprises cylinder axis (710), rotation spool (720), soldered splice valve body (730), fastening screw trip bolt (770) and outer end cap (790), outlet elbow (731) on described soldered splice valve body (730) and import bend pipe (732) outer end are all connected with the external straight tube of valve (734), the valve joint end face (737) of the external straight tube of valve (734) there is welding slope mouth (735), there is annulus weld line (753) between welding slope mouth (735) of import bend pipe (732) side and filter pipet hypomere (477), between welding slope mouth (735) of outlet elbow (731) side and pump suction pipe epimere (494), also have annulus weld line (753), described outlet elbow (731) the inner is connected to the valve body inletpiston hard layer (738) of described soldered splice valve body (730), and described import bend pipe (732) the inner is connected to the valve outlet plane hard layer (739) of described soldered splice valve body (730), described valve body inletpiston hard layer (738) is connected with the fan-shaped cambered surface of valve body (763) with the top edge of valve outlet plane hard layer (739), described valve body inletpiston hard layer (738) is connected with valve body circle concave arc surface (762) with the lower limb of valve outlet plane hard layer (739), and the valve body side plane (736) of described soldered splice valve body (730) both sides respectively has screw hole (727), outer end cap (790) described in two there is the end cap counterbore (797) corresponding with described screw hole (727), described fastening screw trip bolt (770) matches with described screw hole (727) is fastening through described end cap counterbore (797), is close to airtight by the end cap inner plane (798) of described outer end cap (790) and described valve body side plane (736), enclosing cover axis hole (791) on outer end cap (790) described in two and described cylinder axis (710) two ends are sealed and matched, described cylinder axis (710) cylindrical coordinates with spool circular hole (781) rotary sliding of described rotation spool (720), end cap inner plane (798) Spielpassung of the valve element circle end surfaces (789) of described rotation spool (720) both sides and the outer end cap (790) described in two, the spool pipe cambered surface (782) of described rotation spool (720) has spool fan-shaped cylinder (725), there is ring runner mouth (722) spool import liner plate face (728) side of described spool fan-shaped cylinder (725), and there is circular flow channel mouth (721) spool outlet liner plate face (729) side of described spool fan-shaped cylinder (725), distortion runner (788) is had to be connected between described ring runner mouth (722) and described circular flow channel mouth (721), six leaf connecting tendons (744) are had to be connected between bend flow channel cone (724) part that described distortion runner (788) contains and described spool fan-shaped cylinder (725),
The thickness of described valve body inletpiston hard layer (738) and described valve outlet plane hard layer (739) is 1.5 to 1.7 millimeters, and the material of described valve body inletpiston hard layer (738) and described valve outlet plane hard layer (739) also all adopts zinc alloy steel;
Described rotation spool (720) and bend flow channel cone (724) part and spool fan-shaped cylinder (725) channel floor material all adopt rubber industry, described spool import liner plate face (728) and described spool outlet liner plate face (729) have thickness to be the ceramic lining plate of 1.6 to 1.8 millimeters, and this ceramic lining plate is also all overallly adopt boron carbide ceramics.
3. welding valve zinc alloy buffer piston sea wind generator according to claim 1, it is characterized in that: the described piston cylinder that is spirally connected (613) internal diameter is 320 to 322 millimeters, the described piston rod that is spirally connected (611) diameter is 62 to 64 millimeters, in described cylinder, threaded joint (191) is M330 × 4, the described guide cylinder that is spirally connected (612) internal diameter is 350 to 352 millimeters, in described cylinder, threaded joint (617) is M360 × 4, and the outer screw joint (625) of described piston rod is M60 × 2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510265204.2A CN104863797A (en) | 2015-05-22 | 2015-05-22 | Offshore wind driven generator adopting welded valve and zinc alloy piston buffering |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510265204.2A CN104863797A (en) | 2015-05-22 | 2015-05-22 | Offshore wind driven generator adopting welded valve and zinc alloy piston buffering |
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| CN104863797A true CN104863797A (en) | 2015-08-26 |
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ID=53909885
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|---|---|---|---|
| CN201510265204.2A Withdrawn CN104863797A (en) | 2015-05-22 | 2015-05-22 | Offshore wind driven generator adopting welded valve and zinc alloy piston buffering |
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| CN (1) | CN104863797A (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201359050Y (en) * | 2009-02-28 | 2009-12-09 | 竺开明 | Pneumatic control type vehicle damper |
| CN103979701A (en) * | 2014-06-05 | 2014-08-13 | 张筱秋 | Zinc alloy internal thread reef seawater desalination device |
| CN104074683A (en) * | 2014-07-07 | 2014-10-01 | 国家电网公司 | Suspended vertical-axis wind driven generator set |
-
2015
- 2015-05-22 CN CN201510265204.2A patent/CN104863797A/en not_active Withdrawn
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201359050Y (en) * | 2009-02-28 | 2009-12-09 | 竺开明 | Pneumatic control type vehicle damper |
| CN103979701A (en) * | 2014-06-05 | 2014-08-13 | 张筱秋 | Zinc alloy internal thread reef seawater desalination device |
| CN104074683A (en) * | 2014-07-07 | 2014-10-01 | 国家电网公司 | Suspended vertical-axis wind driven generator set |
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