[go: up one dir, main page]

CN106642761A - Adjusting bracket of trough collector - Google Patents

Adjusting bracket of trough collector Download PDF

Info

Publication number
CN106642761A
CN106642761A CN201611021050.3A CN201611021050A CN106642761A CN 106642761 A CN106642761 A CN 106642761A CN 201611021050 A CN201611021050 A CN 201611021050A CN 106642761 A CN106642761 A CN 106642761A
Authority
CN
China
Prior art keywords
screw mandrel
lower lock
block
lock block
seat board
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201611021050.3A
Other languages
Chinese (zh)
Inventor
官景栋
刘义儒
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Tianjin Binhai Photothermal Technology Research Institute Co Ltd
Original Assignee
Tianjin Binhai Photothermal Technology Research Institute Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Tianjin Binhai Photothermal Technology Research Institute Co Ltd filed Critical Tianjin Binhai Photothermal Technology Research Institute Co Ltd
Priority to CN201611021050.3A priority Critical patent/CN106642761A/en
Publication of CN106642761A publication Critical patent/CN106642761A/en
Pending legal-status Critical Current

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24SSOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
    • F24S30/00Arrangements for moving or orienting solar heat collector modules
    • F24S30/40Arrangements for moving or orienting solar heat collector modules for rotary movement
    • F24S30/45Arrangements for moving or orienting solar heat collector modules for rotary movement with two rotation axes
    • F24S30/452Vertical primary axis
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02SGENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
    • H02S20/00Supporting structures for PV modules
    • H02S20/10Supporting structures directly fixed to the ground
    • 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
    • Y02E10/40Solar thermal energy, e.g. solar towers
    • Y02E10/47Mountings or tracking
    • 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
    • Y02E10/50Photovoltaic [PV] energy

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Sustainable Energy (AREA)
  • Thermal Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Forms Removed On Construction Sites Or Auxiliary Members Thereof (AREA)

Abstract

The invention discloses an adjusting bracket of a trough collector. The adjusting bracket comprises a spherical bearing, an adjusting assembly and a tower truss, wherein the adjusting assembly is arranged at the upper end of the tower truss, and the spherical bearing is arranged at the upper end of the adjusting assembly. By using the spherical bearing, the angle between a torque tube and the tower truss can be adjusted; by using the adjusting assembly, the adjustment of a flange shaft in front, rear, upper and lower directions can be realized; and by combining the two modes to carry out adjustment, a complicated adjusting operation process during mounting in the prior art can be omitted, and the mounting efficiency is increased.

Description

Groove type heat collector adjusts support
Technical field
The invention belongs to slot type collecting apparatus field, especially groove type heat collector adjustment support.
Background technology
In photo-thermal power generation industry, groove type heat collector has the advantages such as collecting efficiency is high, floor space is little.Groove type heat collector General structure is to use support to support torque tube, and keel shoe is installed on torque tube, in keel shoe speculum installed above, is passed through Speculum collects solar energy, and uses solar energy heating heat-conducting medium.But in reality, support install when, each torque tube it is coaxial The measurement and adjustment that degree has very high requirement, existing rack form position there is a problem of being difficult to operation, specifically, in support Installation process in need to adjust the deviation of position everywhere, including X (pylon spacing direction), Y is (perpendicular to the side of X in horizontal plane To), Z (short transverse) three-dimensional dimensions and angle of inclination, the height of pylon often reaches 3-5 rice, and measurement point is arranged at cradle top Bearing at, and adjust point positioned at pylon bottom inclined sizing block foundation bolt at, measurement point and adjustment point position disunity give Actual installation practice brings very big difficulty.
The content of the invention
Instant invention overcomes shortcoming of the prior art, there is provided groove type heat collector adjusts support.
In order to solve above-mentioned technical problem, the present invention is achieved by the following technical solutions:
Groove type heat collector adjusts support, including spherical bearing, adjustment component and pylon;
The upper end of pylon is provided with adjustment component, the upper end of adjustment component is provided with spherical bearing;
Wherein, spherical bearing includes housing base, and lid, inner sleeve part, first flange disk, second flange disk and method are put outward Blue connecting shaft, covers on the coat and housing base is engaged to form hollow structure up and down, for being put into flange connecting shaft, outside Put lid and housing base is internally provided with groove, be provided with sphere inner sleeve part in groove, sphere inner sleeve part can be Automatically adjustment position is rotated in groove, flange connecting shaft is set in inner sleeve part, inner sleeve part can edge with flange connecting shaft Axis is relatively rotated, and at the two ends of flange connecting shaft first flange disk and second flange disk are respectively provided with;
And, it is provided with circular hole on described first flange disk and second flange disk;
And, moment of torsion pipe coupling component and lower torsion are provided with the outside of described first flange disk and second flange disk Quarter bend coupling assembly;
And, described housing base and the 1/3-1/2 of the thickness for the length of flange connecting shaft of lid is put outward;
Wherein, adjusting component includes base, slider bar, lower lock block, wedge, upper holder block, double threaded screw, horizontal turn silk Pole socket plate, horizontal turn screw mandrel, vertical rotary screw mandrel seat board and vertical rotary screw mandrel, in the upper end of base lower lock block is provided with, The upper end of lower lock block is provided with wedge, the upper end of wedge is provided with upper holder block, upper holder block and lower lock block are left side Wide right side is narrow, and to be oppositely arranged, wedge is clipped between upper holder block and the inclined-plane of lower lock block on the inclined-plane of upper holder block and lower lock block, Go up in the horizontal direction and be placed equidistant side by side three double threaded screws, double end spiral shell in the inside of base, lower lock block, wedge and upper holder block Bar runs through base, lower lock block, wedge and upper holder block, and the upper end of double threaded screw is connected with spherical bearing, the lower end of double threaded screw It is connected with pylon, a base Middle face upwards is provided with guide rail, the lower end of lower lock block is provided with slider bar, guide rail and slip Bar matches, so that lower lock block can be moved horizontally along base, in upper holder block and the lower lock block right side (narrow) side vertical rotary silk is arranged Pole socket plate, vertical rotary screw mandrel seat board is connected with upper holder block and lower lock block, and vertical rotary screw mandrel seat board middle part is provided with vertical Rotary screw, vertical rotary screw mandrel is connected through vertical rotary screw mandrel seat board with wedge, in upper holder block and a lower lock block left side (width) Side arranges horizontal turn screw mandrel seat board, and horizontal turn screw mandrel seat board is fixedly connected with seat board, arranges on horizontal turn screw mandrel seat board There is horizontal turn screw mandrel, horizontal turn screw mandrel is connected through horizontal turn screw mandrel seat board with lower lock block.
And, it is respectively arranged with three nuts in three described double threaded screw bottoms and the junction of base and fixes;
And, the length of described horizontal turn screw mandrel is the 1/4-1/3 for pushing block length.
And, the length of described vertical rotary screw mandrel is the 1/10-1/9 of wedge shape block length.
Wherein, pylon is vertically installed in ground, and the bottom of pylon is provided with lower margin, for fixedly mounting.
And, the quantity of described lower margin is four.
Compared with prior art, the invention has the beneficial effects as follows:Can adjust automatically torque tube and pylon using spherical bearing Between angle, the adjustment of flange shaft fore-and-aft direction and above-below direction is capable of achieving using adjustment component, with reference to both modes Adjustment, can save adjustment operating process complicated when installing in prior art, improve installation effectiveness.
Description of the drawings
Fig. 1 is schematic structural view of the invention.
Fig. 2 is spherical bearing partial structural diagram.
Fig. 3 is spherical bearing internal cross section structural representation.
Fig. 4 is adjustment component partial structural diagram.
Wherein, 1 is spherical bearing, and to put lid outward, 1-2 is housing base to 1-1, and 1-3 is first flange disk, and 1-4 is method Blue connecting shaft, 1-5 is second flange disk, and 1-6 is circular hole, and 1-7 is inner sleeve part, and 1-8 is groove, and 2 are adjustment component, and 2-1 is Upper holder block, 2-2 is lower lock block, and 2-3 is horizontal turn screw mandrel seat board, and 2-4 is horizontal turn screw mandrel, and 2-5 is vertical rotary screw mandrel Seat board, 2-6 is vertical rotary screw mandrel, and 2-7 is wedge, and 2-8 is slider bar, and 2-9 is base, and 2-10 is nut, and 2-11 is double Head screw rod, 3 is pylon, and 4 is upper moment of torsion pipe coupling component, and 5 is lower moment of torsion pipe coupling component, and 6 is lower margin.
Specific embodiment
Below in conjunction with the accompanying drawings the present invention is described in further detail with specific embodiment:
As shown in FIG., groove type heat collector adjustment support, including spherical bearing, adjustment component and pylon;
The upper end of pylon is provided with adjustment component, the upper end of adjustment component is provided with spherical bearing;
Wherein, spherical bearing includes housing base, and lid, inner sleeve part, first flange disk, second flange disk and method are put outward Blue connecting shaft, covers on the coat and housing base is engaged to form hollow structure up and down, for being put into flange connecting shaft, outside Put lid and housing base is internally provided with groove, be provided with sphere inner sleeve part in groove, sphere inner sleeve part can be Automatically adjustment position is rotated in groove, flange connecting shaft is set in inner sleeve part, inner sleeve part can edge with flange connecting shaft Axis is relatively rotated, and at the two ends of flange connecting shaft first flange disk and second flange disk are respectively provided with;
And, it is provided with circular hole on described first flange disk and second flange disk;
And, in the outside of described first flange disk and second flange disk, be provided with moment of torsion pipe coupling component and under Moment of torsion pipe coupling component;
And, described housing base and the 1/3-1/2 of the thickness for the length of flange connecting shaft of lid is put outward;
Wherein, adjusting component includes base, slider bar, lower lock block, wedge, upper holder block, double threaded screw, horizontal turn silk Pole socket plate, horizontal turn screw mandrel, vertical rotary screw mandrel seat board and vertical rotary screw mandrel, in the upper end of base lower lock block is provided with, The upper end of lower lock block is provided with wedge, the upper end of wedge is provided with upper holder block, upper holder block and lower lock block are left side Wide right side is narrow, and to be oppositely arranged, wedge is clipped between upper holder block and the inclined-plane of lower lock block on the inclined-plane of upper holder block and lower lock block, Go up in the horizontal direction and be placed equidistant side by side three double threaded screws, double end spiral shell in the inside of base, lower lock block, wedge and upper holder block Bar runs through base, lower lock block, wedge and upper holder block, and the upper end of double threaded screw is connected with spherical bearing, the lower end of double threaded screw It is connected with pylon, a base Middle face upwards is provided with guide rail, the lower end of lower lock block is provided with slider bar, guide rail and slip Bar matches, so that lower lock block can be moved horizontally along base, in upper holder block and the lower lock block right side (narrow) side vertical rotary silk is arranged Pole socket plate, vertical rotary screw mandrel seat board is connected with upper holder block and lower lock block, and vertical rotary screw mandrel seat board middle part is provided with vertical Rotary screw, vertical rotary screw mandrel is connected through vertical rotary screw mandrel seat board with wedge, in upper holder block and a lower lock block left side (width) Side arranges horizontal turn screw mandrel seat board, and horizontal turn screw mandrel seat board is fixedly connected with seat board, arranges on horizontal turn screw mandrel seat board There is horizontal turn screw mandrel, horizontal turn screw mandrel is connected through horizontal turn screw mandrel seat board with lower lock block.
And, it is respectively arranged with three nuts in three described double threaded screw bottoms and the junction of base and fixes;
And, the length of described horizontal turn screw mandrel is the 1/4-1/3 for pushing block length.
And, the length of described vertical rotary screw mandrel is the 1/10-1/9 of wedge shape block length.
Wherein, pylon is vertically installed in ground, and the bottom of pylon is provided with lower margin, for fixedly mounting.
And, the quantity of described lower margin is four.
Angle that can be between adjust automatically torque tube and pylon using spherical bearing, specifically:Torque tube is installed on phase Between the ring flange of neighbour's adjustment support, inner sleeve part is embedded in by flange connecting shaft, inner sleeve part can be in groove globally Automatic adjusting position, and then adjust the angle between torque tube and pylon.
The adjustment of flange shaft fore-and-aft direction and above-below direction is capable of achieving using adjustment component, by rotating horizontal turn screw mandrel Lower lock block and wedge thereon and lower lock block can be made along the left horizontal movement of guide rail, by rotating vertical turn screw mandrel, made Wedge extruding promotes upper holder block to move up and down along double threaded screw, and by position adjustment both horizontally and vertically method is capable of achieving The adjustment of blue axle fore-and-aft direction and above-below direction.
With reference to the adjustment of both the above mode, adjustment operating process complicated when installing in prior art can be saved, be improved The installation effectiveness of support.
The present invention has been described in detail above, but the content is only presently preferred embodiments of the present invention, it is impossible to recognized It is the practical range for limiting the present invention.All impartial changes made according to the present patent application scope and improvement etc., all should still return Belong within the patent covering scope of the present invention.

Claims (8)

1. groove type heat collector adjusts support, it is characterised in that:Groove type heat collector adjusts support, including spherical bearing, adjustment component And pylon;
The upper end of pylon is provided with adjustment component, the upper end of adjustment component is provided with spherical bearing;
Wherein, spherical bearing includes housing base, and lid, inner sleeve part, first flange disk, second flange disk and flange company are put outward Spindle, covers on the coat and housing base is engaged to form hollow structure up and down, for being put into flange connecting shaft, on the coat Lid is internally provided with groove with housing base, and sphere inner sleeve part is provided with groove, and sphere inner sleeve part can be in groove Interior automatic rotation adjustment position, arranges flange connecting shaft in inner sleeve part, and at the two ends of flange connecting shaft first is respectively provided with Ring flange and second flange disk;
Wherein, adjusting component includes base, slider bar, lower lock block, wedge, upper holder block, double threaded screw, horizontal turn screw rodb base Plate, horizontal turn screw mandrel, vertical rotary screw mandrel seat board and vertical rotary screw mandrel, are provided with lower lock block, under in the upper end of base The upper end of briquetting is provided with wedge, and the upper end of wedge is provided with upper holder block, and it is wide right that upper holder block and lower lock block are left side Side is narrow, and to be oppositely arranged, wedge is clipped between upper holder block and the inclined-plane of lower lock block, the bottom of on the inclined-plane of upper holder block and lower lock block Go up in the horizontal direction and be placed equidistant side by side three double threaded screws, double threaded screw in the inside of seat, lower lock block, wedge and upper holder block Through base, lower lock block, wedge and upper holder block, the upper end of double threaded screw is connected with spherical bearing, the lower end of double threaded screw with Pylon connects, and a base Middle face upwards is provided with guide rail, and the lower end of lower lock block is provided with slider bar, guide rail and slider bar Match, so that lower lock block can be moved horizontally along base, vertical rotary screw mandrel seat board be set on the right side of upper holder block and lower lock block, Vertical rotary screw mandrel seat board is connected with upper holder block and lower lock block, and vertical rotary screw mandrel seat board middle part is provided with vertical rotary silk Bar, vertical rotary screw mandrel is connected through vertical rotary screw mandrel seat board with wedge, and on the left of upper holder block and lower lock block level is arranged Turn screw mandrel seat board, horizontal turn screw mandrel seat board is fixedly connected with seat board, and on horizontal turn screw mandrel seat board horizontal turn is provided with Screw mandrel, horizontal turn screw mandrel is connected through horizontal turn screw mandrel seat board with lower lock block.
2. groove type heat collector according to claim 1 adjusts support, it is characterised in that:In described first flange disk and Circular hole is provided with two ring flanges.
3. groove type heat collector according to claim 1 adjusts support, it is characterised in that:In described first flange disk and Moment of torsion pipe coupling component and lower moment of torsion pipe coupling component are provided with the outside of two ring flanges.
4. groove type heat collector according to claim 1 adjusts support, it is characterised in that:Described housing base and put outward The thickness of lid is the 1/3-1/2 of the length of flange connecting shaft.
5. groove type heat collector according to claim 1 adjusts support, it is characterised in that:At three described double threaded screw bottoms End is respectively arranged with three nuts and fixes with the junction of base.
6. groove type heat collector according to claim 1 adjusts support, it is characterised in that:The length of described horizontal turn screw mandrel Spend to push the 1/4-1/3 of block length.
7. groove type heat collector according to claim 1 adjusts support, it is characterised in that:The length of described vertical rotary screw mandrel Spend for the 1/10-1/9 of wedge shape block length.
8. groove type heat collector according to claim 1 adjusts support, it is characterised in that:The quantity of described lower margin is four It is individual.
CN201611021050.3A 2016-11-15 2016-11-15 Adjusting bracket of trough collector Pending CN106642761A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201611021050.3A CN106642761A (en) 2016-11-15 2016-11-15 Adjusting bracket of trough collector

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201611021050.3A CN106642761A (en) 2016-11-15 2016-11-15 Adjusting bracket of trough collector

Publications (1)

Publication Number Publication Date
CN106642761A true CN106642761A (en) 2017-05-10

Family

ID=58808216

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201611021050.3A Pending CN106642761A (en) 2016-11-15 2016-11-15 Adjusting bracket of trough collector

Country Status (1)

Country Link
CN (1) CN106642761A (en)

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5747153A (en) * 1980-08-30 1982-03-17 Matsushita Electric Works Ltd Fitting structure of solar heat collector
CN101261046A (en) * 2008-04-21 2008-09-10 北京航空航天大学 A solar heliostat transmission device
CN201191090Y (en) * 2008-03-03 2009-02-04 安徽电子信息职业技术学院 Solar tracking heat collecting device with reflecting mirror adjustable
CN102483268A (en) * 2009-08-28 2012-05-30 弗拉格赛欧股份有限公司 Parabolic trough collector
WO2013025492A1 (en) * 2011-08-12 2013-02-21 First Solar, Inc Solar tracking bearing and solar tracking system employing same
CN204084889U (en) * 2014-06-24 2015-01-07 中广核太阳能开发有限公司 The trough type solar heat-collector that a kind of inclination is installed and used
CN204578443U (en) * 2014-09-17 2015-08-19 耐克斯特拉克尔有限公司 Solar energy tracking equipment
CN105383086A (en) * 2015-11-16 2016-03-09 江苏中兴西田数控科技有限公司 Manual adjustment tapered wedge type closed die height adjusting device
CN206399020U (en) * 2016-11-15 2017-08-11 天津滨海光热技术研究院有限公司 A kind of groove type heat collector adjusts support

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5747153A (en) * 1980-08-30 1982-03-17 Matsushita Electric Works Ltd Fitting structure of solar heat collector
CN201191090Y (en) * 2008-03-03 2009-02-04 安徽电子信息职业技术学院 Solar tracking heat collecting device with reflecting mirror adjustable
CN101261046A (en) * 2008-04-21 2008-09-10 北京航空航天大学 A solar heliostat transmission device
CN102483268A (en) * 2009-08-28 2012-05-30 弗拉格赛欧股份有限公司 Parabolic trough collector
WO2013025492A1 (en) * 2011-08-12 2013-02-21 First Solar, Inc Solar tracking bearing and solar tracking system employing same
CN204084889U (en) * 2014-06-24 2015-01-07 中广核太阳能开发有限公司 The trough type solar heat-collector that a kind of inclination is installed and used
CN204578443U (en) * 2014-09-17 2015-08-19 耐克斯特拉克尔有限公司 Solar energy tracking equipment
CN105383086A (en) * 2015-11-16 2016-03-09 江苏中兴西田数控科技有限公司 Manual adjustment tapered wedge type closed die height adjusting device
CN206399020U (en) * 2016-11-15 2017-08-11 天津滨海光热技术研究院有限公司 A kind of groove type heat collector adjusts support

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
卜炎: "《中国机械设计大典 第3卷 机械零部件设计》", 31 January 2002, 江西科学技术出版社 *

Similar Documents

Publication Publication Date Title
CN109450354B (en) An adjustable photovoltaic bracket for mountainous areas
CN206648337U (en) A kind of water heater support of convenient regulation angle
CN206399020U (en) A kind of groove type heat collector adjusts support
CN106705455A (en) Trough type heat collector capable of adjusting brackets
CN106597633A (en) Support adjustable reflector
CN106642761A (en) Adjusting bracket of trough collector
CN205545083U (en) Rotation type photovoltaic board support frame and support frame group
CN207113265U (en) A kind of spherical bearing of groove type heat collector adjustment support
CN206709432U (en) A kind of adjustment component of groove type heat collector adjustment support
CN106766286A (en) The reflector mount of adjustable support
CN108923734A (en) A kind of bracket based on photovoltaic power generation apparatus component
CN106595096A (en) Torque tube structure capable of adjusting supports
CN108809209B (en) Photo-thermal power generation system, heliostat, tracking driving device and fixing base
CN217116648U (en) Equipment mounting platform of server rack
CN207139023U (en) Gear-hobbing machine workpiece positioning support
CN217545960U (en) Novel portable solar photovoltaic support
CN206478879U (en) A kind of tower photo-thermal power generation reflector mount
CN206211921U (en) Solar cell panel support
CN212183458U (en) Supporting structure for solar cell panel
CN210327466U (en) Sunlight tracking device
CN108214036B (en) It is a kind of for manufacturing the jack machinism of solar water heater water tank
CN207796875U (en) It is a kind of can multi-angle regulation new energy support device
CN218032345U (en) Hydropower station on-line monitoring device
CN206247653U (en) A kind of efficient solar water heater
CN204084923U (en) A kind of solar water heater adjustable support

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
RJ01 Rejection of invention patent application after publication

Application publication date: 20170510

RJ01 Rejection of invention patent application after publication