CN103573548A - Hydraulic device for raising water level by using tidal energy - Google Patents

Hydraulic device for raising water level by using tidal energy Download PDF

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Publication number
CN103573548A
CN103573548A CN201210258035.6A CN201210258035A CN103573548A CN 103573548 A CN103573548 A CN 103573548A CN 201210258035 A CN201210258035 A CN 201210258035A CN 103573548 A CN103573548 A CN 103573548A
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CN
China
Prior art keywords
ring
piston
seal ring
cylinder body
suction sleeve
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Pending
Application number
CN201210258035.6A
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Chinese (zh)
Inventor
陈兆红
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Ningbo Zhenhai Jiedeng Applied Technology Research Institute
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Ningbo Zhenhai Jiedeng Applied Technology Research Institute
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Priority to CN201210258035.6A priority Critical patent/CN103573548A/en
Publication of CN103573548A publication Critical patent/CN103573548A/en
Pending legal-status Critical Current

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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00Energy generation through renewable energy sources
    • Y02E10/30Energy from the sea, e.g. using wave energy or salinity gradient

Abstract

The invention discloses a hydraulic device for raising a water level by using tidal energy. The hydraulic device for raising a water level by using tidal energy comprises a fixed frame, a reservoir, a floating block and vane wheels, wherein the lower end of the fixed frame is fixed on seabed or on the coast, and the top portion and the upper half portion of the fixed frame surpass the sea surface; the floating block is arranged on the sea surface below the top portion of the fixed frame; the vane wheels are coupled on two sides of the float block; a connection rod is arranged between the float block and the fixed frame; the hydraulic device for raising the water level by using the tidal energy is characterized in that hydraulic devices are coupled among the fixed frame and the floating block and the vane wheels coupled on the floating block; each hydraulic device comprises a cylinder body, a cylinder cover, a hydraulic rod, a piston, an upper oil hole and a lower oil hole, wherein the upper oil hole and the lower oil hole is formed in the cylinder body; one end of the hydraulic rod, inside the cylinder body, is provided with the piston; a groove is formed in the outer side of the piston; the groove of the piston is internally provided with a first seal ring; the upper end and the lower end of the fist seal ring are both provided with pressing rings; a groove is formed in the outer side of the first seal ring; the first seal ring groove is internally provided with a first piston ring. The whole hydraulic device for raising the water level by using the tidal energy is reasonable in structure and strong in practicability, can maintain no leakage for a long time, and is long in service life.

Description

The hydraulic pressure installation of flooding by tidal energy
Technical field
the hydraulic pressure installation that the present invention relates to flood by tidal energy.
Background technique
during hydraulic cylinder works, piston is back and forth movement in oil hydraulic cylinder, by hydraulic energy transfer, is mechanical energy, although existing oil hydraulic cylinder sealability is pretty good, but use the life-span of seal ring not long, the long-time use easily of seal ring worn and torn, and after wearing and tearing, hydraulic oil can leak, and causes working efficiency greatly to decline, even malfunctioning, so need often to change seal ring, but change frequently seal ring, it is a cumbersome thing.
Summary of the invention
technical problem to be solved by this invention is to provide a kind of effectively Leakage prevention, increases the hydraulic pressure installation of flooding by tidal energy in working life.
the present invention solves the problems of the technologies described above adopted technological scheme: the hydraulic pressure installation of flooding by tidal energy, comprise fixing frame, reservoir, floating block and impeller, described fixing frame lower end is fixed on seabed or seashore limit, top and upper half part above tide, described floating block is arranged on the sea of described below, fixing frame top, described impeller shaft is connected on described floating block both sides, between described floating block and fixing frame, be provided with connecting rod, between described fixing frame and described floating block and the impeller that is coupling on floating block, be all connected with hydraulic pressure installation, described hydraulic pressure installation comprises cylinder body, cylinder body lid, hydraulic rod, piston, and be arranged on upper oil hole and the lower oilhole on cylinder body, described hydraulic rod one end in described cylinder body is provided with described piston, described piston arranged outside is fluted, in the groove of described piston, be provided with the first seal ring, the first described upper and lower two ends of seal ring are provided with trim ring, the first described seal ring arranged outside is fluted, in the first described o-ring groove, be provided with first piston ring,
described piston body and described hydraulic rod are wholely set, on the piston body of described hydraulic rod upper end, be provided with boss, described boss below is provided with the first described seal ring, the first described seal ring arranged outside is fluted, in the first described o-ring groove, be provided with first piston ring, the first described seal ring upper end is provided with trim ring, lower end is provided with lower clamping ring, the first described seal ring and described upper trim ring and lower clamping ring trim ring are bonding, described bond area is greater than the above or following area of piston ring, the first described seal ring lower clamping ring below is provided with nut, described nut and described hydraulic rod are threaded connection fixing, and and described boss between form the seal arrangement of piston,
described cylinder body upper end is provided with upper cylinder body lid, described cylinder body lower end is provided with lower cylinder body lid, described upper cylinder body covers and is provided with draw ring, described draw ring and described fixing frame top or fixing frame pillar are coupling, described hydraulic rod lower end is coupling with described floating block or impeller eccentric shaft through described lower cylinder body lid, described lower cylinder body covers in cylinder body and is provided with a cavity with the junction of hydraulic rod, described cavity place is provided with the second seal ring, the second described seal ring inner side is provided with the second piston ring, the second described seal ring top is provided with the second seal ring trim ring, the second described seal ring and described the second seal ring trim ring are bonding, described bond area is greater than the above or following area of piston ring, the second described seal ring trim ring top is provided with positioning ring,
the second described seal ring top is provided with the second seal ring trim ring, the second described seal ring trim ring top is provided with positioning ring, described first piston ring is at least respectively provided with two, two described plug rings are close to arrangement up and down, the second piston ring is at least respectively provided with two, two described plug rings are close to arrangement up and down, described first piston ring, the second piston ring is provided with opening, the opening of described piston ring up and down staggers mutually, the groove of the first described seal ring is provided with a protruding block in described gap-clearance of piston rings place, the height of described protruding block is no more than the thickness of described first piston ring, the external diameter of described first piston ring is greater than the external diameter of the first seal ring, the groove of the second described seal ring is provided with a protruding block in described gap-clearance of piston rings place, the height of described protruding block is no more than the thickness of described the second piston ring, the internal diameter of the second described piston ring is less than the internal diameter of the second seal ring,
described piston ring is polytetrafluoroethylmaterial material;
the first described seal ring, the second described seal ring are the elastic bag circle of sealing;
on the upper oil hole of the cylinder body of described hydraulic pressure installation, be provided with the first joint, on the first described joint, be bolted with the first suction sleeve, on the lower oilhole of described cylinder body, be provided with the second joint, on the second described joint, be bolted with the second suction sleeve, the water sucking mouth of the first described suction sleeve and the second described suction sleeve is arranged in seawater, the first described suction sleeve and the second described suction sleeve are respectively arranged with one-way valve, the one-way valve of the one-way valve of the first described suction sleeve and the second described suction sleeve is connected with respectively outlet pipe above, described outlet pipe is provided with one-way valve,
it is one that the first described suction sleeve and the second suction sleeve can be concentrated below described suction sleeve one-way valve, and it is one that described outlet pipe can be concentrated beyond described outlet pipe one-way valve;
described piston is equipped with respectively Lubricants up and down, and the volume of the oil hydraulic cylinder described in the volume of the Lubricants of described piston upper end is greater than is less than the volume of the first suction sleeve beyond described outlet pipe import; The volume that the volume of the Lubricants of described piston lower end is greater than described oil hydraulic cylinder is less than the volume of the second suction sleeve beyond described outlet pipe import, and described outlet pipe and described the first suction sleeve and the second described suction sleeve all can be set to non-rigidity flexible pipe;
the water-head of minimum point when the displacement distance of the hydraulic rod of described hydraulic pressure installation in the oil hydraulic cylinder of described hydraulic pressure installation is greater than peak and ebb tide at the incoming tide.
compared with prior art, advantage of the present invention is to be provided with first piston ring in the groove outside the first seal ring, in the groove of the second seal ring inner side, be provided with the second piston ring, and the external diameter of piston ring is greater than the external diameter of seal ring, seal ring can not contacted with oil hydraulic cylinder, and first piston ring and the second piston ring are polytetrafluoroethylmaterial material, and the lubricity of polytetrafluoroethylmaterial material is better, so can effectively reduce friction;
first piston ring is provided with opening, the first seal ring lateral expansion under pressure impels first piston ring extension, first piston ring and cylinder body be close contact under pressure, the second seal ring lateral expansion under pressure impels the second piston ring expansion, and the second piston ring and hydraulic rod be close contact under pressure; First piston ring is at least provided with two, and opening staggers mutually, can effectively prevent leakage of oil;
the groove of seal ring is provided with a protruding block in gap-clearance of piston rings place, and the position of energy limited piston ring, prevents the displacement of piston ring circumferencial direction;
seal ring inside is set to air bag, under pressure the recovery of air faster, elasticity is better, effectively plays seal action;
seal ring in the situation that not being subject to external force, and between hydraulic rod without crack, prevent that hydraulic oil from leaking outside; Seal ring and trim ring are bonding, have fully guaranteed seal ring lateral spread under pressure condition, and piston ring and inboard wall of cylinder block are combined closely, and have played better seal action; And the external diameter of seal ring trim ring is slightly less than the internal diameter of cylinder body, seal ring trim ring can not contacted with cylinder body;
positioning ring can play the effect of restriction the second seal ring trim ring position in piston up-down process; The diameter of positioning ring is less than the outer diameter of the second seal ring trim ring, is greater than its inner diameter, and hydraulic oil can be entered fast, can to seal ring, produce pressure rapidly;
cylinder body lid is threaded connection with cylinder body, and positioning ring and cylinder body are threaded connection the seal arrangement convenient disassembly that makes whole oil hydraulic cylinder, and nut and hydraulic rod are threaded connection, and makes seal ring and the dismounting of seal ring trim ring more convenient;
it is one that suction sleeve is concentrated in described suction sleeve one-way valve lower end, and it is one that outlet pipe is concentrated beyond described outlet pipe one-way valve, and these have all saved material to a certain extent;
suction sleeve and outlet pipe can be set to non-rigidity flexible pipe, effectively prevent the erosion of seawater, also can avoid morning and evening tides pipeline to be brought to the impacts such as displacement;
in oil hydraulic cylinder, there is hydraulic oil, can play certain lubrication, reduce the attrition and attack of piston and oil hydraulic cylinder, can effectively seawater be extruded to outlet pipe again, the volume of the oil hydraulic cylinder described in the volume of the hydraulic oil of piston upper end is greater than is less than the volume of the first suction sleeve beyond outlet pipe import, the volume of the oil hydraulic cylinder described in the volume of the hydraulic oil of piston lower end is greater than is less than the volume of the second suction sleeve beyond outlet pipe import, therefore when piston is shifted peak place onto, the hydraulic oil of oil hydraulic cylinder upper end can completely not arrive water outlet, due to the heavy principle of oily light-water and oil at Gao Shui low, avoid hydraulic oil to enter in outlet pipe, seawater in the second suction sleeve can not enter in oil hydraulic cylinder yet, when piston is moved minimum point to, the hydraulic oil of oil hydraulic cylinder lower end can completely not arrive water outlet, oil hydraulic cylinder upper end can not enter seawater yet, effectively protected the working life of hydraulic water lifting pump, also avoided oil to pollute seawater,
the sealing device structure of whole oil hydraulic cylinder is reasonable, practical, can keep long-time ne-leakage, long service life.
Accompanying drawing explanation
fig. 1 is structural representation of the present invention;
fig. 2 is the schematic cross-section of first piston ring of the present invention and the first seal ring;
fig. 3 is the structural representation being arranged on tidal-energy electric generator set of the present invention.
the title of above accompanying drawing and sequence number: 1, cylinder body, 2, upper cylinder body lid, 3, hydraulic rod, 4, piston body, 5, upper oil hole, 6, lower oilhole 7, the first seal ring, 8, upper trim ring, 9, first piston ring, 10, nut, 11, draw ring, 12, the second seal ring, 13, the second piston ring, 14, the second seal ring trim ring, 15, positioning ring, 16, lower clamping ring, 17, fixing frame, 18, reservoir, 19, floating block, 20, impeller, 21, connecting rod, 22, outlet pipe, 23, water sucking mouth, 24, lower cylinder body lid, 25, the hydraulic pressure installation of flooding by tidal energy, F1, the first suction sleeve, F2, the second suction sleeve, A1, the first suction sleeve one-way valve, A2, the second suction sleeve one-way valve, B1, the first outlet pipe one-way valve, B2, the second outlet pipe one-way valve.
Embodiment
below in conjunction with accompanying drawing, embodiment is described in further detail the present invention.
as shown in the figure: the hydraulic pressure installation of flooding by tidal energy, comprise cylinder body 1, upper cylinder body lid 2, lower cylinder body lid 24, hydraulic rod 3, piston 4, upper oil hole 5, lower oilhole 6, when floating block 19 or impeller 20 drive hydraulic rod 3 lower slider, when hydraulic oil enters cylinder body 1 from upper oil hole 5, upper trim ring 8 is subject to the extruding force of hydraulic oil, the first seal ring 7 is produced to squeezing action, the lateral expansion of the first seal ring 7 under pressure causes the expansion of first piston ring 9, play good seal action, the position that nut 10 can limit trim ring 8 simultaneously, can significantly not glide it; While sliding on floating block 19 or impeller 20 drive hydraulic rods 3, when hydraulic oil enters cylinder body 1 from lower oilhole 6, lower clamping ring 16 is subject to the extruding force of hydraulic oil, the first seal ring 7 is produced to squeezing action, the lateral expansion of the first seal ring 7 under pressure makes the expansion of first piston ring 9, play good seal action, the position that the boss on piston body 4 can limit trim ring 8 simultaneously; The second seal ring 12 is subject to hydraulic oil extruding, and the second seal ring 12 is produced to downforce, and the second seal ring 12 lateral expansions cause the expansion of the second piston ring 13, play seal action, prevent that hydraulic oil from leaking outside.

Claims (10)

1. the hydraulic pressure installation of flooding by tidal energy, comprise fixing frame, reservoir, floating block and impeller, described fixing frame lower end is fixed on seabed or seashore limit, top and upper half part above tide, described floating block is arranged on the sea of described below, fixing frame top, described impeller shaft is connected on described floating block both sides, between described floating block and fixing frame, be provided with connecting rod, between the impeller that it is characterized in that described fixing frame and described floating block and be coupling on floating block, be all connected with hydraulic pressure installation, described hydraulic pressure installation comprises cylinder body, cylinder body lid, hydraulic rod, piston, and be arranged on upper oil hole and the lower oilhole on cylinder body, described hydraulic rod one end in described cylinder body is provided with described piston, described piston arranged outside is fluted, in the groove of described piston, be provided with the first seal ring, the first described upper and lower two ends of seal ring are provided with trim ring, the first described seal ring arranged outside is fluted, in the first described o-ring groove, be provided with first piston ring.
2. hydraulic pressure installation of flooding by tidal energy as claimed in claim 1, it is characterized in that described piston body and described hydraulic rod are wholely set, on the piston body of described hydraulic rod upper end, be provided with boss, described boss below is provided with the first described seal ring, the first described seal ring arranged outside is fluted, in the first described o-ring groove, be provided with first piston ring, the first described seal ring upper end is provided with trim ring, lower end is provided with lower clamping ring, the first described seal ring and described upper trim ring and lower clamping ring trim ring are bonding, described bond area is greater than the above or following area of piston ring, the first described seal ring lower clamping ring below is provided with nut, described nut and described hydraulic rod are threaded connection fixing, and and described boss between form the seal arrangement of piston.
3. hydraulic pressure installation of flooding by tidal energy as claimed in claim 1, it is characterized in that described cylinder body upper end is provided with upper cylinder body lid, described cylinder body lower end is provided with lower cylinder body lid, described upper cylinder body covers and is provided with draw ring, described draw ring and described fixing frame top or fixing frame pillar are coupling, described hydraulic rod lower end is coupling with described floating block or impeller eccentric shaft through described lower cylinder body lid, described lower cylinder body covers in cylinder body and is provided with a cavity with the junction of hydraulic rod, described cavity place is provided with the second seal ring, the second described seal ring inner side is provided with the second piston ring, the second described seal ring top is provided with the second seal ring trim ring, the second described seal ring and described the second seal ring trim ring are bonding, described bond area is greater than the above or following area of piston ring, the second described seal ring trim ring top is provided with positioning ring.
4. hydraulic pressure installation of flooding by tidal energy as claimed in claim 1, it is characterized in that described first piston ring is at least respectively provided with two, two described plug rings are close to arrangement up and down, the second piston ring is at least respectively provided with two, two described plug rings are close to arrangement up and down, described first piston ring, the second piston ring is provided with opening, the opening of described piston ring up and down staggers mutually, the groove of the first described seal ring is provided with a protruding block in described gap-clearance of piston rings place, the height of described protruding block is no more than the thickness of described first piston ring, the external diameter of described first piston ring is greater than the external diameter of the first seal ring, the groove of the second described seal ring is provided with a protruding block in described gap-clearance of piston rings place, the height of described protruding block is no more than the thickness of described the second piston ring, the internal diameter of the second described piston ring is less than the internal diameter of the second seal ring.
5. hydraulic pressure installation of flooding by tidal energy as claimed in claim 1, is characterized in that described piston ring is polytetrafluoroethylmaterial material.
6. hydraulic pressure installation of flooding by tidal energy as claimed in claim 1, is characterized in that the first described seal ring, the second described seal ring are the elastic bag circle of sealing.
7. hydraulic pressure installation of flooding by tidal energy as claimed in claim 1, on the upper oil hole of the cylinder body of the hydraulic pressure installation described in it is characterized in that, be provided with the first joint, on the first described joint, be bolted with the first suction sleeve, on the lower oilhole of described cylinder body, be provided with the second joint, on the second described joint, be bolted with the second suction sleeve, the water sucking mouth of the first described suction sleeve and the second described suction sleeve is arranged in seawater, the first described suction sleeve and the second described suction sleeve are respectively arranged with one-way valve, the one-way valve of the one-way valve of the first described suction sleeve and the second described suction sleeve is connected with respectively outlet pipe above, described outlet pipe is provided with one-way valve.
8. hydraulic pressure installation of flooding by tidal energy as claimed in claim 1, it is characterized in that it is one that the first described suction sleeve and the second suction sleeve can be concentrated below described suction sleeve one-way valve, it is one that described outlet pipe can be concentrated beyond described outlet pipe one-way valve.
9. hydraulic pressure installation of flooding by tidal energy as claimed in claim 1, it is characterized in that described piston is equipped with respectively Lubricants up and down, the volume of the oil hydraulic cylinder described in the volume of the Lubricants of described piston upper end is greater than is less than the volume of the first suction sleeve beyond described outlet pipe import; The volume that the volume of the Lubricants of described piston lower end is greater than described oil hydraulic cylinder is less than the volume of the second suction sleeve beyond described outlet pipe import, and described outlet pipe and described the first suction sleeve and the second described suction sleeve all can be set to non-rigidity flexible pipe.
10. hydraulic pressure installation of flooding by tidal energy as claimed in claim 1, the water-head of minimum point when the displacement distance of the hydraulic rod that it is characterized in that described hydraulic pressure installation in the oil hydraulic cylinder of described hydraulic pressure installation is greater than peak and ebb tide at the incoming tide.
CN201210258035.6A 2012-07-25 2012-07-25 Hydraulic device for raising water level by using tidal energy Pending CN103573548A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104746475A (en) * 2015-02-16 2015-07-01 浙江水利水电学院 Device and method for disposing river sewage through wind and tidal power generation and water storage drainage

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006291780A (en) * 2005-04-07 2006-10-26 Noboru Nishio Power generating device installed on sea bottom/river bottom
CN101696571A (en) * 2009-09-25 2010-04-21 陈兆红 Device for raising water level by using tidal energy
CN201650569U (en) * 2009-10-08 2010-11-24 宁波市镇海捷登应用技术研究所 Device for generating power by using wave energy
CN101929419A (en) * 2009-10-08 2010-12-29 宁波市镇海捷登应用技术研究所 Power generating device by using wave energy
CN201723713U (en) * 2009-11-27 2011-01-26 陈兆红 Sealing device for hydraulic cylinder
CN202300819U (en) * 2011-11-15 2012-07-04 李文斌 Tidal-energy and wave-energy power generating device

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006291780A (en) * 2005-04-07 2006-10-26 Noboru Nishio Power generating device installed on sea bottom/river bottom
CN101696571A (en) * 2009-09-25 2010-04-21 陈兆红 Device for raising water level by using tidal energy
CN201650569U (en) * 2009-10-08 2010-11-24 宁波市镇海捷登应用技术研究所 Device for generating power by using wave energy
CN101929419A (en) * 2009-10-08 2010-12-29 宁波市镇海捷登应用技术研究所 Power generating device by using wave energy
CN201723713U (en) * 2009-11-27 2011-01-26 陈兆红 Sealing device for hydraulic cylinder
CN202300819U (en) * 2011-11-15 2012-07-04 李文斌 Tidal-energy and wave-energy power generating device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104746475A (en) * 2015-02-16 2015-07-01 浙江水利水电学院 Device and method for disposing river sewage through wind and tidal power generation and water storage drainage

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Application publication date: 20140212