CN105776090B - A kind of comprehensive electric power operation car - Google Patents
A kind of comprehensive electric power operation car Download PDFInfo
- Publication number
- CN105776090B CN105776090B CN201610227932.9A CN201610227932A CN105776090B CN 105776090 B CN105776090 B CN 105776090B CN 201610227932 A CN201610227932 A CN 201610227932A CN 105776090 B CN105776090 B CN 105776090B
- Authority
- CN
- China
- Prior art keywords
- hydraulic cylinder
- vertical frame
- slide unit
- shaft
- split type
- 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.)
- Expired - Fee Related
Links
- 239000007921 spray Substances 0.000 claims abstract description 5
- 230000004888 barrier function Effects 0.000 claims description 3
- 238000009434 installation Methods 0.000 claims description 3
- 239000007788 liquid Substances 0.000 claims description 3
- 230000000630 rising effect Effects 0.000 claims 3
- 238000003466 welding Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 238000009432 framing Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F11/00—Lifting devices specially adapted for particular uses not otherwise provided for
- B66F11/04—Lifting devices specially adapted for particular uses not otherwise provided for for movable platforms or cabins, e.g. on vehicles, permitting workmen to place themselves in any desired position for carrying out required operations
- B66F11/042—Lifting devices specially adapted for particular uses not otherwise provided for for movable platforms or cabins, e.g. on vehicles, permitting workmen to place themselves in any desired position for carrying out required operations actuated by lazy-tongs mechanisms or articulated levers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F11/00—Lifting devices specially adapted for particular uses not otherwise provided for
- B66F11/04—Lifting devices specially adapted for particular uses not otherwise provided for for movable platforms or cabins, e.g. on vehicles, permitting workmen to place themselves in any desired position for carrying out required operations
Abstract
The present invention provides a kind of comprehensive electric power operation car, including automobile chassis, play perpendicular slide unit, perpendicular hydraulic cylinder etc., the perpendicular slide unit that rises is arranged on the automobile chassis top, play perpendicular slide unit top both sides and roller groove is set, first support is set in the position for playing the anterior close automobile cab of perpendicular slide unit.The split type workbench of two semicircle shapes of the present invention becomes a full-circle spray pattern workbench after closing up, middle roundlet can accommodate electric pole, and staff can be without dead angle movable around 360 ° of electric pole, expands the working range of staff.
Description
Technical field
The present invention relates to electric power network technical field, more particularly to a kind of comprehensive electric power operation car.
Background technology
With the fast development of modern electric technology, the construction of power grid also becomes increasingly to weigh in the production and living of the mankind
Will, wherein electric power operation car is essential equipment in power grid construction, but modern most electric power operation car is both arms
Radial type, workbench is equipped with the end of lift arm, the workbench of this electric power operation car can only allow staff to exist
The side work of electric pole, it is impossible to which the activity around whole electric pole, greatly limit the working range of staff.
The content of the invention
In view of the above-mentioned problems, the present invention provides a kind of comprehensive electric power operation car, its by using slide lifting hydraulic cylinder,
The new technologies such as semi-circular workbench, make staff more flexible and convenient, Er Qie great when power equipment is installed on electric pole top
Platform rise and fall speed is improved greatly, is improved work efficiency.
Technical solution used in the present invention is：A kind of comprehensive electric power operation car, including automobile chassis, rise perpendicular slide unit,
Play perpendicular hydraulic cylinder, supporting rack, play vertical frame, sliding rack, rotating platform, gear, opening and closing hydraulic cylinder, split type workbench, lifting liquid
Cylinder pressure, first rotating shaft, roller, pitching hydraulic cylinder, it is characterised in that：The perpendicular slide unit that rises is arranged on the automobile chassis
Portion, plays perpendicular slide unit top both sides and sets roller groove, and first support is set in the position for playing the anterior close automobile cab of perpendicular slide unit；
The vertical frame that rises is rectangular frame structure, and the 3rd shaft is equipped with playing vertical frame end, in the anterior setting second of the 3rd shaft
Shaft, is equipped with sliding slot playing vertical frame both sides, plays vertical frame and be rotatably installed in by the 3rd shaft on the stent of automobile chassis tail；
The sliding rack has been slidably mounted in the sliding slot of vertical frame both sides, and rotating platform articulated stand is set on sliding rack
With pitching hydraulic cylinder rear end articulated stand；The supporting framing front end is rotatably installed in the second shaft, is consolidated in supporting rack rear end
Fixed to set the first rotating shaft, first rotating shaft both ends are rotatablely equipped with the roller, and the roller rolls and is installed on institute
In the roller groove for having stated perpendicular slide unit；The perpendicular hydraulic cylinder that rises is arranged between first support and first rotating shaft, plays perpendicular hydraulic cylinder
Cylinder body end is hinged in the first support, is played perpendicular hydraulic cylinder piston rod end portion and is hinged in first rotating shaft；
The rotating platform posterior rotation is installed on the rotating platform articulated stand on the sliding rack, is being rotated
Platform upper surface is vertically arranged two axis pins；The split type workbench is semicircle shape structure, and centre sets small half
Circle, for accommodating electric pole, sets safety barrier, two split type workbench close up rear group in split type workbench top edge
Into a full-circle spray pattern workbench, split type workbench rear portion connects installing handle, and installing handle is rotatably installed in the rotating platform
On axis pin, gear is additionally provided with installing handle top, gear links together after being welded with installing handle, and gear is concentric with axis pin, and two
A gear is identical and is intermeshed；The lifting hydraulic cylinder has been arranged between vertical frame and sliding rack, lifting hydraulic cylinder
Cylinder body rear portion be fixed on vertical frame rear portion, the piston rod front end of lifting hydraulic cylinder is connected with sliding rack；The pitching hydraulic pressure
Cylinder is arranged between rotating platform and sliding rack, and the cylinder body rear portion of pitching hydraulic cylinder is hinged on the pitching hydraulic cylinder rear end hinge
Connect on stent, the piston rod front end of pitching hydraulic cylinder is hinged on rotating platform lower part；The opening and closing hydraulic cylinder both ends are hinged on
Between the installing handle of two split type workbench.
Further, the lifting hydraulic cylinder is multilevel difunctional hydraulic cylinder.
To be had the following advantages since present invention employs above-mentioned technical proposal, the present invention：
1. by having set perpendicular hydraulic cylinder, quickly vertical frame can be erected.
2. by setting multistage lifting hydraulic cylinder, workbench is set to become more quick, light up and down.
3. the split type workbench of two semicircle shapes becomes a full-circle spray pattern workbench after closing up, middle roundlet can be with
Electric pole is accommodated, staff can be without dead angle movable around 360 ° of electric pole, expands the working range of staff.
Brief description of the drawings
Fig. 1 is the overall assembling dimensional structure diagram of the present invention.
Fig. 2 is supporting rack scheme of installation of the present invention.
Fig. 3 is pitching hydraulic cylinder scheme of installation of the present invention.
Fig. 4 is the vertical frame structure diagram of the present invention.
Fig. 5 is the sliding rack structure diagram of the present invention.
Fig. 6 is side schematic view of the present invention on highway when driving.
Drawing reference numeral：1- automobile chassises；2- plays perpendicular slide unit；3- plays perpendicular hydraulic cylinder；4- supporting racks；5- plays vertical frame；6- is slided
Frame；7- rotating platforms；8- gears；9- is opened and closed hydraulic cylinder；The split type workbench of 10-；11- lifting hydraulic cylinders；12- first rotating shafts；
13- rollers；14- pitching hydraulic cylinders；The second shafts of 501-；The 3rd shafts of 502-；601- rotating platform articulated stands；602- pitching
Hydraulic cylinder rear end articulated stand.
Embodiment
Below with reference to the embodiments and with reference to the accompanying drawing the technical solutions of the present invention will be further described.
Embodiment
As shown in Figure 1, Figure 2, shown in Fig. 3, Fig. 4, Fig. 5, Fig. 6, a kind of comprehensive electric power operation car, including automobile chassis 1, rise it is perpendicular
Slide unit 2, play perpendicular hydraulic cylinder 3, supporting rack 4, play vertical frame 5, sliding rack 6, rotating platform 7, gear 8, opening and closing hydraulic cylinder 9, split type
Workbench 10, lifting hydraulic cylinder 11, first rotating shaft 12, roller 13, pitching hydraulic cylinder 14, the second shaft 501, the 3rd shaft 502,
Rotating platform articulated stand 601, pitching hydraulic cylinder rear end articulated stand 602, it is characterised in that：The perpendicular slide unit 2 that rises is set
On 1 top of automobile chassis, play perpendicular 2 top both sides of slide unit and roller groove is set, it is anterior close to car steering playing perpendicular slide unit 2
The position of room sets first support；The vertical frame 5 that rises is rectangular frame structure, and the 3rd shaft is equipped with playing 5 end of vertical frame
502, in the second shaft 501 of anterior setting of the 3rd shaft 502, sliding slot is equipped with playing 5 both sides of vertical frame, a vertical frame 5 is played and passes through the 3rd turn
Axis 502 is rotatably installed on the stent of 1 afterbody of automobile chassis；
The sliding rack 6 has been slidably mounted in the sliding slot of 5 both sides of vertical frame, sets rotating platform to be hinged on sliding rack 6
Stent 601 and pitching hydraulic cylinder rear end articulated stand 602；4 front end of supporting rack is rotatably installed in the second shaft 501,
In 4 rear end of supporting rack, the fixed setting first rotating shaft 12,12 both ends of first rotating shaft are rotatablely equipped with the roller 13, institute
The roller 13 stated, which rolls, to be installed in the roller groove for playing perpendicular slide unit 2；It is described rise a perpendicular hydraulic cylinder 3 be arranged on first support and
Between first rotating shaft 12, play perpendicular 3 cylinder body end of hydraulic cylinder and be hinged in the first support, play perpendicular 3 tailpiece of the piston rod of hydraulic cylinder
Portion is hinged in first rotating shaft 12；
7 posterior rotation of rotating platform is installed on the rotating platform articulated stand 601 on the sliding rack 6,
Two axis pins are vertically arranged in 7 upper surface of rotating platform；The split type workbench 10 is semicircle shape structure, and centre sets one
A small semicircle, for accommodating electric pole, safety barrier, two split type work are set in split type 10 top edge of workbench
Platform 10 forms a full-circle spray pattern workbench after closing up, split type 10 rear portion of workbench connects installing handle, and installing handle is rotatably installed in
On the axis pin of the rotating platform 7, gear 8 is additionally provided with installing handle top, gear 8 links together after being welded with installing handle,
Gear 8 and axis pin are concentric, and two gears 8 are identical and are intermeshed；The lifting hydraulic cylinder 11 be arranged on vertical frame 5 with
Between sliding rack 6, the cylinder body rear portion of lifting hydraulic cylinder 11 has been fixed on 5 rear portion of vertical frame, the piston rod front end of lifting hydraulic cylinder 11
It is connected with sliding rack 6；The pitching hydraulic cylinder 14 is arranged between rotating platform 7 and sliding rack 6, the cylinder of pitching hydraulic cylinder 14
Body rear portion is hinged on the pitching hydraulic cylinder rear end articulated stand 602, and the piston rod front end of pitching hydraulic cylinder 14 is hinged on
7 lower part of rotating platform；9 both ends of opening and closing hydraulic cylinder are hinged between the installing handle of two split type workbench 10.
Further, the lifting hydraulic cylinder 11 is multilevel difunctional hydraulic cylinder.
The above description is merely a specific embodiment, but protection scope of the present invention is not limited thereto, any
Those familiar with the art the invention discloses technical scope in, change or replacement can be readily occurred in, should all be contained
Cover within protection scope of the present invention.Therefore, protection scope of the present invention answers the scope of the claims of being subject to.
Operation principle of the present invention：The present invention will play vertical frame 5 first with perpendicular hydraulic cylinder 3 when in use and erect, and make
Vertical frame 5 in vertical state, then makes split type workbench 10 be horizontal, utilizes afterwards with ground using pitching hydraulic cylinder 14
Opening and closing hydraulic cylinder 9 opens 2 split type workbench 10, and staff is climbed on workbench after opening, and then reversing makes work
Platform is close to electric pole, and stopping reversing after electric pole enters among workbench in the range of roundlet, pulls the hand brake and fix car, Ran Houli
Workbench is raised to lifting hydraulic cylinder 11 top of electric pole, closes up two split type workbench 10 after reaching top, finally
Staff can freely loose around electric pole.
Claims (2)
1. a kind of comprehensive electric power operation car, including automobile chassis（1）, rise perpendicular slide unit（2）, rise perpendicular hydraulic cylinder（3）, supporting rack
（4）, rise vertical frame（5）, sliding rack（6）, rotating platform（7）, gear（8）, opening and closing hydraulic cylinder（9）, split type workbench（10）, rise
Descending liquid cylinder pressure（11）, first rotating shaft（12）, roller（13）, pitching hydraulic cylinder（14）, the second shaft（501）, the 3rd shaft
（502）, rotating platform articulated stand（601）, pitching hydraulic cylinder rear end articulated stand（602）, it is characterised in that：Described rising is perpendicular
Slide unit（2）It is arranged on the automobile chassis（1）Top, plays perpendicular slide unit（2）Top both sides set roller groove, are playing perpendicular slide unit
（2）It is anterior that close to the position of automobile cab, first support is set；Described plays vertical frame（5）For rectangular frame structure, rising
Vertical frame（5）End is equipped with the 3rd shaft（502）, in the 3rd shaft（502）Front portion sets the second shaft（501）, playing vertical frame（5）
Both sides are equipped with sliding slot, play vertical frame（5）Pass through the 3rd shaft（502）It is rotatably installed in automobile chassis（1）On the stent of afterbody；
The sliding rack（6）It has been slidably mounted on vertical frame（5）In the sliding slot of both sides, sliding rack（6）Upper setting rotary flat table-hinges
Connect stent（601）With pitching hydraulic cylinder rear end articulated stand（602）；The supporting rack（4）Front end is rotatably installed in second turn
Axis（501）On, in supporting rack（4）The rear end fixed setting first rotating shaft（12）, first rotating shaft（12）Both ends are rotatablely installed
There is the roller（13）, the roller（13）Roll and be installed on described perpendicular slide unit（2）Roller groove in；Described rising is perpendicular
Hydraulic cylinder（3）It is arranged on first support and first rotating shaft（12）Between, play perpendicular hydraulic cylinder（3）Cylinder body end is hinged on described the
On one stent, perpendicular hydraulic cylinder is played（3）Piston rod end is hinged on first rotating shaft（12）On；
The rotating platform（7）Posterior rotation is installed on the sliding rack（6）On rotating platform articulated stand（601）
On, in rotating platform（7）Upper surface is vertically arranged two axis pins；The split type workbench（10）For semicircle shape structure, in
Between set a small semicircle, for accommodating electric pole, in split type workbench（10）Top edge setting safety barrier, two
Split type workbench（10）A full-circle spray pattern workbench, split type workbench are formed after closing up（10）Rear portion connects installing handle, peace
Hilt is rotatably installed in the rotating platform（7）Axis pin on, be additionally provided with gear on installing handle top（8）, gear（8）With installation
Link together after handle welding, gear（8）It is concentric with axis pin, two gears（8）It is identical and be intermeshed；The lifting
Hydraulic cylinder（11）It has been arranged on vertical frame（5）With sliding rack（6）Between, lifting hydraulic cylinder（11）Cylinder body rear portion be fixed on vertical frame
（5）Rear portion, lifting hydraulic cylinder（11）Piston rod front end and sliding rack（6）It is connected；The pitching hydraulic cylinder（14）It is arranged on
Rotating platform（7）With sliding rack（6）Between, pitching hydraulic cylinder（14）Cylinder body rear portion be hinged on the pitching hydraulic cylinder rear end
Articulated stand（602）On, pitching hydraulic cylinder（14）Piston rod front end be hinged on rotating platform（7）Lower part；The opening and closing liquid
Cylinder pressure（9）Both ends are hinged on two split type workbench（10）Installing handle between.
A kind of 2. comprehensive electric power operation car according to claim 1, it is characterised in that：The lifting hydraulic cylinder（11）
For multilevel difunctional hydraulic cylinder.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711229231.XA CN107986205A (en) | 2016-04-13 | 2016-04-13 | A kind of comprehensive electric power operation car |
| CN201610227932.9A CN105776090B (en) | 2016-04-13 | 2016-04-13 | A kind of comprehensive electric power operation car |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610227932.9A CN105776090B (en) | 2016-04-13 | 2016-04-13 | A kind of comprehensive electric power operation car |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711229231.XA Division CN107986205A (en) | 2016-04-13 | 2016-04-13 | A kind of comprehensive electric power operation car |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105776090A CN105776090A (en) | 2016-07-20 |
| CN105776090B true CN105776090B (en) | 2018-04-27 |
Family
ID=56396414
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610227932.9A Expired - Fee Related CN105776090B (en) | 2016-04-13 | 2016-04-13 | A kind of comprehensive electric power operation car |
| CN201711229231.XA Withdrawn CN107986205A (en) | 2016-04-13 | 2016-04-13 | A kind of comprehensive electric power operation car |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711229231.XA Withdrawn CN107986205A (en) | 2016-04-13 | 2016-04-13 | A kind of comprehensive electric power operation car |
Country Status (1)
| Country | Link |
|---|---|
| CN (2) | CN105776090B (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106006487A (en) * | 2016-07-25 | 2016-10-12 | 江苏工力重机有限公司 | Maintenance platform for grab bucket |
| CN106829789B (en) * | 2016-12-27 | 2019-05-21 | 国网山东省电力公司临沂供电公司 | Tree trimming Special lifting ladder |
| CN109694025A (en) * | 2019-01-24 | 2019-04-30 | 江苏能建机电实业集团有限公司 | The back-shaped inspection platform of movable type and application method for heating screen in boiler hearth of circulating fluidized bed |
| CN111039238B (en) * | 2019-12-23 | 2021-03-26 | 济南工程职业技术学院 | Ornamental trees and shrubs trimming means |
| CN111301714B (en) * | 2020-03-05 | 2021-05-07 | 北京中科宇航技术有限公司 | Rocket erecting system |
| CN113789944B (en) * | 2021-10-22 | 2023-06-09 | 国网山东省电力公司济南市长清区供电公司 | Safety protection device for power supply high-altitude operation |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2360507A1 (en) * | 1976-08-04 | 1978-03-03 | Tractel Sa | Circular platform lifting method - has sloping ring-shaped segmented platform pulled up around column by cables until horizontal |
| DE3146829A1 (en) * | 1981-11-26 | 1983-06-01 | August Steingass & Sohn GmbH & Co, 5650 Solingen | Internal-inspection device for large containers |
| JP3376383B2 (en) * | 1993-10-13 | 2003-02-10 | ミサワホーム株式会社 | Unloading device |
| CN201817243U (en) * | 2010-09-10 | 2011-05-04 | 神华集团有限责任公司 | Platform and device for replacing conductor rail |
| CN202558552U (en) * | 2011-08-17 | 2012-11-28 | 易天宗 | Self-propelled lifting working platform |
| CN203699832U (en) * | 2013-12-18 | 2014-07-09 | 无锡韦伯风能技术有限公司 | Detachable maintenance platform of medium-size wind turbine generator system |
| CN204569340U (en) * | 2015-04-30 | 2015-08-19 | 中国大唐集团新能源股份有限公司 | A kind of fan maintenance platform system |
| CN204675785U (en) * | 2015-05-15 | 2015-09-30 | 上海安伯工业技术有限公司 | A kind of adjustable platform |
-
2016
- 2016-04-13 CN CN201610227932.9A patent/CN105776090B/en not_active Expired - Fee Related
- 2016-04-13 CN CN201711229231.XA patent/CN107986205A/en not_active Withdrawn
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2360507A1 (en) * | 1976-08-04 | 1978-03-03 | Tractel Sa | Circular platform lifting method - has sloping ring-shaped segmented platform pulled up around column by cables until horizontal |
| DE3146829A1 (en) * | 1981-11-26 | 1983-06-01 | August Steingass & Sohn GmbH & Co, 5650 Solingen | Internal-inspection device for large containers |
| JP3376383B2 (en) * | 1993-10-13 | 2003-02-10 | ミサワホーム株式会社 | Unloading device |
| CN201817243U (en) * | 2010-09-10 | 2011-05-04 | 神华集团有限责任公司 | Platform and device for replacing conductor rail |
| CN202558552U (en) * | 2011-08-17 | 2012-11-28 | 易天宗 | Self-propelled lifting working platform |
| CN203699832U (en) * | 2013-12-18 | 2014-07-09 | 无锡韦伯风能技术有限公司 | Detachable maintenance platform of medium-size wind turbine generator system |
| CN204569340U (en) * | 2015-04-30 | 2015-08-19 | 中国大唐集团新能源股份有限公司 | A kind of fan maintenance platform system |
| CN204675785U (en) * | 2015-05-15 | 2015-09-30 | 上海安伯工业技术有限公司 | A kind of adjustable platform |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105776090A (en) | 2016-07-20 |
| CN107986205A (en) | 2018-05-04 |
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Legal Events
| Date | Code | Title | Description |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB03 | Change of inventor or designer information |
Inventor after: Feng Biying Inventor before: Xu Jinpeng Inventor before: Han Linsong Inventor before: Wang Kaisheng |
|
| CB03 | Change of inventor or designer information | ||
| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20180320 Address after: 362400 Quanzhou County, Anxi County Peach boat Township, South pit village, South pit No. 14, No. Applicant after: Feng Biying Address before: 426100 Yongzhou City, Hunan province Qiyang County stone Zitang village of Xichong Applicant before: Yang Ding |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200429 Address after: 100000 Xicheng District West Chang'an Avenue, No. 86, Beijing Co-patentee after: KAIFENG POWER SUPPLY COMPANY, STATE GRID HENAN ELECTRIC POWER Co.,Ltd. Patentee after: STATE GRID CORPORATION OF CHINA Address before: 362400, Quanzhou, Fujian province Anxi County Peach Township South pit village south pit No. 14 Patentee before: Feng Biying |
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| TR01 | Transfer of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180427 Termination date: 20210413 |
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| CF01 | Termination of patent right due to non-payment of annual fee |