CN109941934A - A kind of high-altitude operation vehicle of hydro-cushion lifting - Google Patents
A kind of high-altitude operation vehicle of hydro-cushion lifting Download PDFInfo
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- CN109941934A CN109941934A CN201910333647.9A CN201910333647A CN109941934A CN 109941934 A CN109941934 A CN 109941934A CN 201910333647 A CN201910333647 A CN 201910333647A CN 109941934 A CN109941934 A CN 109941934A
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- altitude operation
- operation vehicle
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- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims abstract description 21
- 210000000245 forearm Anatomy 0.000 claims abstract description 8
- 238000003780 insertion Methods 0.000 claims description 6
- 230000037431 insertion Effects 0.000 claims description 6
- 239000010720 hydraulic oil Substances 0.000 abstract description 15
- 238000010586 diagram Methods 0.000 description 5
- 230000001737 promoting effect Effects 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 235000013399 edible fruits Nutrition 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000003921 oil Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
- 238000009966 trimming Methods 0.000 description 1
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Abstract
The invention discloses a kind of high-altitude operation vehicles of hydro-cushion lifting, its structure includes pedestal, tire, rotating seat, large arm, middle arm, extension arm, forearm, platform, a kind of high-altitude operation vehicle of hydro-cushion lifting of the present invention, high-altitude operation vehicle is opened to the position being suitble in gardens, hydraulic oil enters in hydraulic cylinder from chamber is promoted, No.1 piston and No. two pistons is pushed constantly to move down, it will be pushed after frizzen touches bottom surface upward, until feet is contacted with bottom surface, after frizzen jacks up upwards, limited block ejection is stopped into piston, it is set to need bigger pressure that could further push, and what the hydraulic cylinder not contacted to earth can then be accelerated contacts with bottom surface, when hydraulic oil is stacked into certain pressure, check valve and No. two pistons will be pushed down on, the outflow of hydraulic oil check valve, push No. two pistons, rise pedestal, make Operation Van can also be able to maintain preferable balance in the rugged bottom surface in gardens, improve the stability that Operation Van makes in gardens operation.
Description
Technical field
The present invention is a kind of high-altitude operation vehicle of hydro-cushion lifting, belongs to high-altitude operation vehicle field.
Background technique
High-altitude operation vehicle refers to, the equipment that staff is transported to two meters or more of aerial carry out operation, suitable application area
It is wide, there are a gardens, electric power, dock, building, petrochemical industry, bridge etc., high-altitude operation vehicle also has miscellaneous, wherein crank arm type
High-altitude operation vehicle can carry out high altitude operation across obstacle, turn to flexibly, can be moved into any position in a certain range, be suitble to garden
It is used in woods, the either trimming of progress fruit tree or the picking of fruit, crank arm type high-altitude operation vehicle can be easily moved to
The position needed, existing traditional technology consideration is not comprehensive, has the following drawbacks:
High-altitude operation vehicle needs to erect support leg when carrying out operation, equipment is propped up to keep equipment running process
In stability, and in order to keep the balance of Operation Van, it is mobile to be all made of four foot same levels, this resulted in equipment can more according to
The balance of bad bottom surface, and the ground relief in gardens, when wheel lands, balance is also less prone to show, once support leg is propped up,
It just will appear biggish inclination, cannot keep higher balance, to influence the stability of equipment.
Summary of the invention
In view of the deficienciess of the prior art, it is an object of the present invention to provide a kind of high-altitude operation vehicle of hydro-cushion lifting,
To solve.
To achieve the goals above, the present invention is to realize by the following technical solutions: a kind of hydro-cushion is gone up and down
High-altitude operation vehicle, structure include pedestal, tire, rotating seat, large arm, middle arm, extension arm, forearm, platform, station, spy
Sign is:
The front surface of the pedestal is equipped with tire, and the bottom surface of the rotating seat is installed on the upper surface of pedestal, the rotation
The upper end of swivel base and the head end hinge of large arm connect, and the upper end of the middle arm is connected with the end of extension arm, the forearm
Upper surface and the bottom surface of platform are mutually welded, and the platform is equipped with station.
It is advanced optimized as of the invention, the pedestal is equipped with Base body, promotes chamber, is hydraulic pump, connecting shaft, hydraulic
Cylinder, the inside of the Base body are equipped with hydraulic pump, and the upper surface of the hydraulic pump is mutually welded with the bottom surface for promoting chamber, the company
Spindle is embedded in the inside for being installed on Base body, and the hydraulic cylinder is fixedly installed in the inside of Base body.
It is advanced optimized as of the invention, the hydraulic cylinder is equipped with hydraulic cylinder shell, No.1 piston, No. two pistons, connects
The inside of extension bar, frizzen, attachment base, feet, multi-directional ball, the hydraulic cylinder shell is equipped with No.1 piston, the connecting rod
Upper end is embedded in the inside for being installed on No. two pistons, and the frizzen is nested with hydraulic cylinder shell, the upper surface of the attachment base
It is mutually welded with the bottom surface of connecting rod, the bottom end of the attachment base is threadedly coupled with multi-directional ball, and the multi-directional ball insertion is installed on pad
The inside of foot.
It is advanced optimized as of the invention, the No.1 piston is equipped with return valve, check valve, piston, limited block, described
Return valve is embedded in the inside for being installed on piston, and the inside of the piston is equipped with check valve, and the limited block insertion is installed on piston
Internal side.
It being advanced optimized as of the invention, the feet is equipped with spherical groove, latch closure, arc item, clockwork spring, reinforced seat, bottom plate,
The inside for being fixedly installed in reinforced seat of the spherical groove, the bottom surface of the reinforced seat is mutually welded with the upper surface of bottom plate, described
The side of latch closure is connected with the upper end of arc item, and the arc item is connected with clockwork spring.
It is advanced optimized as of the invention, the frizzen is equipped with one piece in No.1 internal piston and is greater than frizzen itself
The limit base of diameter.
It being advanced optimized as of the invention, the check valve is bottom end closure, and lower body part is equipped with several holes,
And stopped by piston.
It is advanced optimized as of the invention, the piston is equipped with several apertures, positioned at the surface of check valve.
It is advanced optimized as of the invention, the spherical groove and the radian of arc item are opposite with multi-directional ball.
Beneficial effect
High-altitude operation vehicle, is opened the position being suitble in gardens by a kind of high-altitude operation vehicle of hydro-cushion lifting of the present invention,
Hydraulic oil enters in hydraulic cylinder from chamber is promoted, and No.1 piston and No. two pistons is pushed constantly to move down, and contacts in frizzen
It will be pushed upwards after to bottom surface, it, will be by limited block top after frizzen jacks up upwards until feet is contacted with bottom surface
Out, piston is stopped, it is made to need bigger pressure that could further push, and the cylinder pressure of other non-tread surfaces compared with
Small, what can be accelerated contacts with bottom surface, when hydraulic oil is stacked into certain pressure, will push down on check valve and No. two pistons
Dynamic, hydraulic oil will be flowed out from check valve, continued to press on No. two pistons, risen pedestal, keep Operation Van rugged in gardens
Bottom surface is also able to maintain preferable balance, improves the stability that Operation Van makes in gardens operation, preferably carries out gardens operation.
Detailed description of the invention
Upon reading the detailed description of non-limiting embodiments with reference to the following drawings, other feature of the invention,
Objects and advantages will become more apparent upon:
Fig. 1 is a kind of structural schematic diagram of the high-altitude operation vehicle of hydro-cushion lifting of the present invention；
Fig. 2 is a kind of structural schematic diagram of pedestal section of the present invention；
Fig. 3 is a kind of structural schematic diagram of hydraulic cylinder section of the present invention；
Fig. 4 is a kind of structural schematic diagram of No.1 piston section of the present invention；
Fig. 5 is a kind of structural schematic diagram of feet of the present invention.
In figure: pedestal -1, tire -2, rotating seat -3, large arm -4, middle arm -5, extension arm -6, forearm -7, platform -8, operation
Platform -9, promotes chamber -12, hydraulic pump -13, connecting shaft -14, hydraulic cylinder -15, hydraulic cylinder shell -151, No.1 at Base body -11
Piston -152, connecting rod -154, frizzen -155, attachment base -156, feet -157, multi-directional ball -158, returns at No. two pistons -153
Flow valve -1521, check valve -1522, piston -1523, limited block -1524, spherical groove -1571, latch closure -1572, arc item -1573,
Clockwork spring -1574, reinforced seat -1575, bottom plate -1576.
Specific embodiment
To be easy to understand the technical means, the creative features, the aims and the efficiencies achieved by the present invention, below with reference to
Specific embodiment, the present invention is further explained.
Fig. 1-Fig. 5 is please referred to, the present invention provides a kind of high-altitude operation vehicle technical solution of hydro-cushion lifting: its structure packet
Include pedestal 1, tire 2, rotating seat 3, large arm 4, middle arm 5, extension arm 6, forearm 7, platform 8, station 9, it is characterised in that:
The front surface of the pedestal 1 is equipped with tire 2, and the bottom surface of the rotating seat 3 is installed on the upper surface of pedestal 1, institute
The upper end for stating rotating seat 3 is connect with the head end hinge of large arm 4, and the upper end of the middle arm 5 is connected with the end of extension arm 6, institute
The upper surface for stating forearm 7 and the bottom surface of platform 8 are mutually welded, and the platform 8 is equipped with station 9.
Wherein, the pedestal 1 is equipped with Base body 11, promotes chamber 12, hydraulic pump 13, connecting shaft 14, hydraulic cylinder 15, described
The inside of Base body 11 is equipped with hydraulic pump 13, and the upper surface of the hydraulic pump 13 is mutually welded with the bottom surface for promoting chamber 12, described
Connecting shaft 14 is embedded in the inside for being installed on Base body 11, and the hydraulic cylinder 15 is fixedly installed in the inside of Base body 11, by
Hydraulic pump 13 enters oil liquid in hydraulic cylinder 15 by promoting chamber 12, is conveyed using same chamber, can by other, by hydraulic pump 13, by
Promote the unified conveying hydraulic oil of chamber 12, in four hydraulic cylinders 15, when certain 15 pressure of hydraulic cylinder are larger, more hydraulic oil will
In the low hydraulic cylinder 15 of feed pressure.
Wherein, the hydraulic cylinder 15 be equipped with hydraulic cylinder shell 151,152, No. two pistons 153 of No.1 piston, connecting rod 154,
The inside of frizzen 155, attachment base 156, feet 157, multi-directional ball 158, the hydraulic cylinder shell 151 is equipped with No.1 piston 152,
The upper end insertion of the connecting rod 154 is installed on the inside of No. two pistons 153, the frizzen 155 and 151 phase of hydraulic cylinder shell
Nesting, the upper surface of the attachment base 156 are mutually welded with the bottom surface of connecting rod 154, the bottom end of the attachment base 156 and multi-directional ball
158 are threadedly coupled, and the multi-directional ball 158 is embedded in the inside for being installed on feet 157, are controlled after contacting ground by frizzen 155
The activity of No.1 piston 152 is risen after so that four groups of hydraulic cylinders 15 is touched ground together as far as possible.
Wherein, the No.1 piston 152 is equipped with return valve 1521, check valve 1522, piston 1523, limited block 1524, institute
It states return valve 1521 and is embedded in the inside for being installed on piston 1523, the inside of the piston 1523 is equipped with check valve 1522, the limit
Position block 1524, which is embedded in, is installed on side inside piston 1523, when rise, after limited block 1524 is pushed out, inside hydraulic cylinder
It fits closely, the fixed master of piston 1523 avoids being moved.
Wherein, the feet 157 be equipped with spherical groove 1571, latch closure 1572, arc item 1573, clockwork spring 1574, reinforced seat 1575,
Bottom plate 1576, the inside for being fixedly installed in reinforced seat 1575 of the spherical groove 1571, the bottom surface and bottom of the reinforced seat 1575
The upper surface of plate 1576 is mutually welded, and the side of the latch closure 1572 is connected with the upper end of arc item 1573, the arc item 1573 with
Clockwork spring 1574 is connected, and is lockked multi-directional ball 158 by the structure of arc item 1573 and latch closure 1572, can be firmly direct when needing to dismantle
It pulls up, facilitates the maintenance for carrying out part.
Wherein, the frizzen 155 is equipped with one piece of limit for being greater than the diameter of frizzen 155 itself inside No.1 piston 152
Position seat, limits it during 155 use of frizzen, avoids falling out of hydraulic cylinder shell 151.
Wherein, the check valve 1522 is bottom end closure, and lower body part is equipped with several holes, and by piston 1523
Stop, in the case where hole is blocked without going out to release stress, check valve 1522 will be released out of piston 1523.
Wherein, the piston 1523 is equipped with several apertures makes hydraulic oil enter list positioned at the surface of check valve 1522
Bigger pressure is needed into valve 1522, avoids directly releasing check valve 1522.
Wherein, the radian of the spherical groove 1571 and arc item 1573 is opposite with multi-directional ball 158, can be according to the rugged of bottom surface
To adjust angle, raising stability.
Hydraulic oil is uniformly conveyed from chamber 12 is promoted, and is pushing No.1 piston 152 and No. two work in hydraulic cylinder 15
Plug 153 constantly moves down, so that feet 157 and the continuous close bottom surface of frizzen 155, wherein 155 elder generation of frizzen and bottom surface
Contact, and No.1 piston 152 and No. two pistons 153 still allow and are constantly moving, and after feet 157 and ground face contact, and touch
Hair bar 155 is then reacted power, up pushes, limited block 1524 is pushed out, seized piston 1523 makes it in current pressure
Under can not further progress movement, the hydraulic oil persistently conveyed at this time can then flow to the hydraulic cylinder 15 not contacted with bottom surface also,
Four feet are all after the contact of bottom surface, and hydraulic fluid pressure is continuously increased, to check valve 1522 and No. two pistons 153 be pushed open, liquid
Pressure oil is constantly flowed out from check valve 1522, and No. two pistons 153 is pushed to start to be risen, and hydraulic oil will be from reflux when decline
Valve 1521 flows back, to be restored to starting state, which is tentatively pushed by No.1 piston 152, make four it is hydraulic
After the feet 157 of cylinder 15 is all contacted with bottom surface, then start to push No. two pistons 153, uniformly be gone up and down, preferably holding operation
The balance of vehicle improves stability, preferably carries out operation.
High-altitude operation vehicle, is opened the position being suitble in gardens by a kind of high-altitude operation vehicle of hydro-cushion lifting of the present invention,
Hydraulic oil enters in hydraulic cylinder 15 from chamber 12 is promoted, and No.1 piston 152 and No. two pistons 153 is pushed constantly to move down,
Frizzen 155 will be pushed upwards after touching bottom surface, until feet 157 is contacted with bottom surface, in the upward jack-up of frizzen 155
Afterwards, limited block 1524 will be ejected, piston 1523 is stopped, it is made to need bigger pressure that could further push, and its
15 pressure of hydraulic cylinder of his non-tread surface is smaller contacting with bottom surface of can accelerating will will when hydraulic oil is stacked into certain pressure
Check valve 1522 and No. two pistons 153 push down on, and hydraulic oil will be flowed out from check valve 1522, continue to press on No. two pistons
153, pedestal 1 is risen, so that Operation Van is also able to maintain preferable balance in the rugged bottom surface in gardens, improves Operation Van and exist
The stability that gardens operation makes preferably carries out gardens operation.
It is obvious to a person skilled in the art that invention is not limited to the details of the above exemplary embodiments, Er Qie
In the case where without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter
From the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the present invention is by appended power
Benefit requires rather than above description limits, it is intended that all by what is fallen within the meaning and scope of the equivalent elements of the claims
Variation is included within the present invention.Any reference signs in the claims should not be construed as limiting the involved claims.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped
Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should
It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
The other embodiments being understood that.
Claims (5)
1. a kind of high-altitude operation vehicle of hydro-cushion lifting, structure includes pedestal (1), tire (2), rotating seat (3), large arm
(4), middle arm (5), extension arm (6), forearm (7), platform (8), station (9), it is characterised in that:
The front surface of the pedestal (1) is equipped with tire (2), and the bottom surface of the rotating seat (3) is installed on the upper table of pedestal (1)
The upper end in face, the rotating seat (3) is connect with the head end hinge of large arm (4), upper end and extension arm (6) of the middle arm (5)
End is connected, and the upper surface of the forearm (7) and the bottom surface of platform (8) are mutually welded, and the platform (8) is equipped with station
(9)。
2. a kind of high-altitude operation vehicle of hydro-cushion lifting according to claim 1, it is characterised in that: the pedestal (1)
Equipped with Base body (11), promote chamber (12), hydraulic pump (13), connecting shaft (14), hydraulic cylinder (15), the Base body (11)
Inside be equipped with hydraulic pump (13), the upper surface of the hydraulic pump (13) and the bottom surface of promotion chamber (12) are mutually welded, the connection
Axis (14) is embedded in the inside for being installed on Base body (11), and the hydraulic cylinder (15) is fixedly installed in the interior of Base body (11)
Portion.
3. a kind of high-altitude operation vehicle of hydro-cushion lifting according to claim 2, it is characterised in that: the hydraulic cylinder
(15) be equipped with hydraulic cylinder shell (151), No.1 piston (152), No. two pistons (153), connecting rod (154), frizzen (155),
The inside of attachment base (156), feet (157), multi-directional ball (158), the hydraulic cylinder shell (151) is equipped with No.1 piston (152),
The upper end insertion of the connecting rod (154) is installed on the inside of No. two pistons (153), outside the frizzen (155) and hydraulic cylinder
Shell (151) is nested, and the upper surface of the attachment base (156) and the bottom surface of connecting rod (154) are mutually welded, the attachment base
(156) bottom end is threadedly coupled with multi-directional ball (158), and multi-directional ball (158) insertion is installed on the inside of feet (157).
4. a kind of high-altitude operation vehicle of hydro-cushion lifting according to claim 3, it is characterised in that: the No.1 piston
(152) it is equipped with return valve (1521), check valve (1522), piston (1523), limited block (1524), the return valve (1521) is embedding
Enter to be installed on the inside of piston (1523), the inside of the piston (1523) is equipped with check valve (1522), the limited block
(1524) insertion is installed on the internal side of piston (1523).
5. a kind of high-altitude operation vehicle of hydro-cushion lifting according to claim 3, it is characterised in that: the feet
(157) spherical groove (1571), latch closure (1572), arc item (1573), clockwork spring (1574), reinforced seat (1575), bottom plate are equipped with
(1576), the inside for being fixedly installed in reinforced seat (1575) of the spherical groove (1571), the bottom surface of the reinforced seat (1575)
It is mutually welded with the upper surface of bottom plate (1576), the side of the latch closure (1572) is connected with the upper end of arc item (1573), described
Arc item (1573) is connected with clockwork spring (1574).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910333647.9A CN109941934B (en) | 2019-04-24 | 2019-04-24 | Hydraulic balance lifting high-altitude operation vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910333647.9A CN109941934B (en) | 2019-04-24 | 2019-04-24 | Hydraulic balance lifting high-altitude operation vehicle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109941934A true CN109941934A (en) | 2019-06-28 |
| CN109941934B CN109941934B (en) | 2020-08-28 |
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ID=67016108
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910333647.9A Expired - Fee Related CN109941934B (en) | 2019-04-24 | 2019-04-24 | Hydraulic balance lifting high-altitude operation vehicle |
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| Country | Link |
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| CN86202169U (en) * | 1986-04-15 | 1987-06-03 | 北京铁路局科学技术委员会办公室 | Foldable multistage insulation vehicle for railway overhead electric line repairing |
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| CN202953753U (en) * | 2012-12-20 | 2013-05-29 | 宁波市镇海怡福莱文化创意有限公司 | Automatic balance adjusting device of crane |
| CN204077627U (en) * | 2014-10-10 | 2015-01-07 | 山东省梁山县赛强机械制造有限公司 | A kind of electric hydaulic supporting leg |
| CN106586918A (en) * | 2016-11-11 | 2017-04-26 | 徐州海伦哲专用车辆股份有限公司 | Folding-jib overhead working truck control method capable of realizing automatic amplitude limiting |
| CN206232387U (en) * | 2016-10-25 | 2017-06-09 | 徐州海伦哲专用车辆股份有限公司 | High-altitude operation vehicle with autostabilization system |
| CN108995040A (en) * | 2018-06-01 | 2018-12-14 | 中国矿业大学 | Cabinet levelling mechanism device |
| CN208648674U (en) * | 2018-06-26 | 2019-03-26 | 北京瑞源联创科技有限公司 | A kind of high-altitude operation vehicle for wind power plant electric power overhaul |
-
2019
- 2019-04-24 CN CN201910333647.9A patent/CN109941934B/en not_active Expired - Fee Related
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1235815A1 (en) * | 1984-10-09 | 1986-06-07 | Завод Горного Оборудования "Коммунист" | Hydraulic drive of outrigger of hoisting machine |
| CN86202169U (en) * | 1986-04-15 | 1987-06-03 | 北京铁路局科学技术委员会办公室 | Foldable multistage insulation vehicle for railway overhead electric line repairing |
| KR101182717B1 (en) * | 2012-03-06 | 2012-09-13 | 주식회사 동해기계항공 | High-place working vehicles having a means for auto-leveling a bucket and a method for housing the bucket of the same vehicles |
| CN202953753U (en) * | 2012-12-20 | 2013-05-29 | 宁波市镇海怡福莱文化创意有限公司 | Automatic balance adjusting device of crane |
| CN204077627U (en) * | 2014-10-10 | 2015-01-07 | 山东省梁山县赛强机械制造有限公司 | A kind of electric hydaulic supporting leg |
| CN206232387U (en) * | 2016-10-25 | 2017-06-09 | 徐州海伦哲专用车辆股份有限公司 | High-altitude operation vehicle with autostabilization system |
| CN106586918A (en) * | 2016-11-11 | 2017-04-26 | 徐州海伦哲专用车辆股份有限公司 | Folding-jib overhead working truck control method capable of realizing automatic amplitude limiting |
| CN108995040A (en) * | 2018-06-01 | 2018-12-14 | 中国矿业大学 | Cabinet levelling mechanism device |
| CN208648674U (en) * | 2018-06-26 | 2019-03-26 | 北京瑞源联创科技有限公司 | A kind of high-altitude operation vehicle for wind power plant electric power overhaul |
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| CN109941934B (en) | 2020-08-28 |
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Effective date of registration: 20200731 Address after: 312500 101, No. 107, Xishan village, dashiju Town, Xinchang County, Shaoxing City, Zhejiang Province Applicant after: Xinchang Yuda Power Technology Co.,Ltd. Address before: 536000 Beihai Industrial Park, Guangxi Zhuang Autonomous Region Applicant before: Huang Jianping |
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Effective date of registration: 20221129 Address after: No. 1105, Building 8, Central Zhigu Phase II, No. 189, Section 2, Renmin East Road, Changsha District, China (Hunan) Free Trade Pilot Zone, 410000, Hunan Province Patentee after: Hunan Yueteng Technology Co.,Ltd. Address before: 101, 107 Xishan village, dashiju Town, Xinchang County, Shaoxing City, Zhejiang Province Patentee before: Xinchang Yuda Power Technology Co.,Ltd. |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200828 |