CN105442932B - A kind of power grid electric pole embedded device and construction method - Google Patents
A kind of power grid electric pole embedded device and construction method Download PDFInfo
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- CN105442932B CN105442932B CN201510774008.8A CN201510774008A CN105442932B CN 105442932 B CN105442932 B CN 105442932B CN 201510774008 A CN201510774008 A CN 201510774008A CN 105442932 B CN105442932 B CN 105442932B
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- 238000010276 construction Methods 0.000 title claims abstract description 21
- 241000282326 Felis catus Species 0.000 claims description 9
- 229910000831 Steel Inorganic materials 0.000 claims description 8
- 239000010959 steel Substances 0.000 claims description 8
- 210000002421 cell wall Anatomy 0.000 claims description 3
- 230000008878 coupling Effects 0.000 claims description 3
- 238000010168 coupling process Methods 0.000 claims description 3
- 238000005859 coupling reaction Methods 0.000 claims description 3
- 238000004064 recycling Methods 0.000 claims description 3
- 235000003140 Panax quinquefolius Nutrition 0.000 claims 1
- 240000005373 Panax quinquefolius Species 0.000 claims 1
- 230000008901 benefit Effects 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 4
- 230000005611 electricity Effects 0.000 description 3
- 238000010992 reflux Methods 0.000 description 3
- 239000004677 Nylon Substances 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 229920001778 nylon Polymers 0.000 description 2
- 230000009466 transformation Effects 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 230000009194 climbing Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000004922 lacquer Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 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 description 1
- 238000007790 scraping Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H12/00—Towers; Masts or poles; Chimney stacks; Water-towers; Methods of erecting such structures
- E04H12/34—Arrangements for erecting or lowering towers, masts, poles, chimney stacks, or the like
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H12/00—Towers; Masts or poles; Chimney stacks; Water-towers; Methods of erecting such structures
- E04H12/34—Arrangements for erecting or lowering towers, masts, poles, chimney stacks, or the like
- E04H12/347—Arrangements for setting poles in the ground
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Refuge Islands, Traffic Blockers, Or Guard Fence (AREA)
- Electric Cable Installation (AREA)
Abstract
A kind of power grid electric pole embedded device including car body, leg and is oriented to wheel support upright, it is characterized in that：The rear end for being oriented to wheel support upright and being mounted on car body is oriented to the front end that wheel support upright is mounted on car body, universal wheel is equipped with below the guiding wheel support upright；Mobile fixed body lower cover and mobile fixed body upper cover are laid in the forepart at car body center, wherein：Mobile fixed body lower cover is movably arranged on car body, and mobile fixed body upper cover on lid under mobile fixed body, forms electric pole clip slot one between the two by fastener, is covered on mobile fixed body and is equipped with hanging ring；Guide groove is mounted on the rear portion at car body center, and guide groove penetrates in car body equipped with pivot pin, stent is equipped on the car body of the guide groove both sides, pulley is equipped on stent.Compared with prior art, it is an advantage of the invention that：The device and construction method can accurately make electric pole vertically not deviation, and human assistance is not required, and erection construction speed is fast, and two people operation saves manpower, is suitble to promote the use of.
Description
Technical field
The invention belongs to electric power network technical field of construction, and in particular to a kind of power grid electric pole embedded device and construction party
Method.
Background technology
The power transformation of the various voltages entirety that electric line forms in one's power in electric system, is known as power network, abbreviation power grid.
It includes three power transformation, transmission of electricity, distribution units.The task of power network is conveying and distribution electric energy, changes voltage.Electric pole cares for name
It is exactly the bar installed electricity lines to think justice.Each rural area-field-road-street is come across, is the important infrastructure of early stage China
One of.The various electric poles of early stage are started to walk from rod or even are not too high high-voltage line electric poles including voltage class.
Development due to steel and armored concrete and technical requirement later, both materials instead of most of rod, and
Applicable timber is progressively rare, and just substantially difficulty is shown in rod inside city.But set up electricity in some less flourishing places
Line is talked about also using rod, be because rod is light-weight, it is convenient to set up, and telephone wire load-bearing and pulling force it is small, rod can win
Appoint, if telephone line has change, move bar and be also convenient for.So there is the wooden phone mast in part now.
If an Application No. CN104088501A discloses a kind of concrete wire pole stringing vehicle, including vehicle frame and it is arranged on
Electric pole lifting gear and electric pole support device on vehicle frame；The front end of vehicle frame is equipped with axle sleeve；Connection is provided on vehicle frame
Bar, the connecting rod one end are connected with the first snap ring；Support device includes channel steel and the slide above channel steel；It is opened on channel steel
Equipped with sliding slot, axis pin is equipped on channel steel, axis pin is equipped with idler wheel；Extreme is equipped with to fetter the second of concrete wire pole
Snap ring；Electric pole lifting gear includes the lifting cylinder, axis and the connecting lever that are arranged on vehicle frame, and connecting lever is movably connected on axis
On, connecting lever includes galianconism and long-armed, and galianconism is flexibly connected with the cylinder rod of lifting cylinder, long-armed to be connected with axis pin；Axis passes through
Supporting rod is connected with axle sleeve.This stringing vehicle lifting gear is provided with connecting lever and lifting cylinder, and landing is to employ regulations and parameters principle, behaviour
Make very convenient, time saving and energy saving, work efficiency greatly improves.
For another example an Application No. CN204552600U discloses a kind of quick digging apparatus set up for electric pole, including
Stent, the vertical feeder assembly for being arranged on cradle top and the component of digging pit being arranged on vertical feeder assembly；It digs pit component bag
The hollow axle that include the first motor, is vertically arranged, be arranged on hollow axle bottom and open up through hole dig pit pedestal and annular is set
It is placed in the scraping teeth for base lower surface of digging pit；First motor and hollow axle are arranged at by fixed seat on vertical feeder assembly respectively
And it is connected by belt transmission；Quick component of digging pit further includes mud suction and reflux assembly, and mud suction and reflux group
The aspiration port of part is communicated in the top port of hollow axle.The utility model on frame body by setting vertical feeder assembly and digging
Component is cheated, completes operation of digging pit, can be watered by the place digged pit to needs, then by mud suction and reflux assembly
Mud is aspirated, and is flowed back when needing to bury hole to the mud after filtering, it is easy to operate, it is efficiently convenient.
It sets up and buries for current electric pole and fill out, be all manually to be fixed using tripod, needed when burying artificial
It helps prevent electric pole deviation out of plumb, so very waste of manpower, while speed of application is slow.
The content of the invention
The present invention is for disadvantage mentioned above, and based on solving, existing power grid electric pole erection speed is slow, and position is inaccurate, waste
The problem of manpower.A kind of power grid electric pole embedded device and construction method are proposed, the device and construction method can accurately make
The vertical not deviation of electric pole, is not required human assistance, speed of application is fast.
Purpose to realize the present invention, the technical solution adopted by the present invention are：
A kind of power grid electric pole embedded device including car body, leg and is oriented to wheel support upright, it is characterized in that：The leg peace
Mounted in the rear end of car body, the front end that wheel support upright is mounted on car body is oriented to, universal wheel is installed below the guiding wheel support upright；It is mobile
Fixed body lower cover and mobile fixed body upper cover are laid in the forepart at car body center, wherein：Mobile fixed body lower cover is movably arranged on
On car body, mobile fixed body upper cover is mounted under mobile fixed body by fastener on lid, forms electric pole clip slot between the two
One, it moves and hanging ring is installed on lid on fixed body；Guide groove is mounted on the rear portion at car body center, and guide groove is penetrated equipped with pivot pin
In car body, stent on the car body of the guide groove both sides is installed, pulley is installed on stent；It is equipped on rear side of the stent
Axle bed, motor, which is mounted on axle bed rear and connects turbine and worm by shaft coupling, drives the axis body on axle bed to rotate, rope roll installation
On axis body, bracing wire is connected between the rope roll and hanging ring.The car body side is equipped with pin hole three, and cat ladder is inserted by bottom
Activity is erect on the car body in pin hole three.Level meter is additionally provided with above the motor.
Preferentially, clamping body clamping body and guide groove on be equipped under guide groove in the guide groove, clamping body under guide groove
And clamping forms electric pole clip slot two between clamping body on guide groove, and spring is equipped between two clamping bodies and upper and lower cell wall.
Preferentially, on the guide groove end cap is connected with above clamping body.
Preferentially, the stent is laid on the car body between guide groove and electric pole clip slot one.Preferentially, the stent
For three-legged support.
Preferentially, the bracing wire is steel wire rope or nylon rope.
Preferentially, it is installed on after-frame wheel between the guiding wheel support upright and leg.Preferentially, the bracing wire passes through stent
On pulley after be connected with rope roll.
In addition, the present invention also provides a kind of power grid electric pole erection construction methods, which is characterized in that comprises the following steps：
1) electric pole slot hole is dug, after electric pole is fixed on the car body through electric pole clip slot one and electric pole clip slot two
Transport to slot hole side；
2) car body position is adjusted convenient for lower beam, and the height of leg is adjusted by observing level meter, stablizes car body simultaneously horizontal；
3) control electric motor starting rotation that rope roll rotation is driven to start constantly recycling bracing wire, while electric pole clip slot one end is drawn
Line pull-up, electric pole start slowly to tilt, and become vertical from level, and the bottom of electric pole enters in slot hole；
4) start to banket to slot hole, to banketing, progress is closely knit, and electric pole buries completion after completing；
5) cat ladder is installed, construction personnel climb into above cat ladder will mobile fixed body upper cover and mobile fixed body lower cover together from
It is removed above electric pole, end cap is removed from guide groove, and the block body for fettering electric pole at this time releases, and removes car body, construction terminates.
Compared with prior art, it is an advantage of the invention that：The device and construction method can accurately make electric pole vertical
Human assistance is not required in not deviation, and erection construction speed is fast, and two people operation saves manpower, is suitble to promote the use of.
Description of the drawings
Brief description is next carried out to the present invention by means of the attached drawing of embodiment now.In attached drawing：
Fig. 1 shows the structure diagram of power grid electric pole embedded device of the present invention；
Fig. 2 shows the side view of power grid electric pole embedded device of the present invention；
Fig. 3 shows the structure diagram of axle bed；
Fig. 4 shows schematic diagram when present invention construction；
Fig. 5 shows schematic diagram when present invention construction.
Specific embodiment
With reference to specific embodiment, the present invention is described in detail.Following embodiment will be helpful to the technology of this field
Personnel further understand the present invention, but the invention is not limited in any way.It should be pointed out that the ordinary skill to this field
For personnel, without departing from the inventive concept of the premise, various modifications and improvements can be made.These belong to the present invention
Protection domain.
Embodiment 1
A kind of power grid electric pole embedded device including car body 1, leg 13 and is oriented to wheel support upright 22, and leg 13 is lift
Leg is oriented between wheel support upright 22 and leg 13 and is installed on after-frame wheel 18.The leg 13 is mounted on the rear end of car body 1, leads
The front end of car body 1 is mounted on to wheel support upright 22,22 lower section of guiding wheel support upright is equipped with universal wheel 20,1 surface lacquer of car body
Processing.
Mobile fixed body lower cover 2 and mobile fixed body upper cover 3 are laid in the forepart at 1 center of car body, wherein：Mobile fixed body
Lower cover 2 is movably arranged on car body 1, and mobile fixed body upper cover 3 is mounted on by fastener on mobile fixed body lower cover 2, the two
Between form electric pole clip slot one, hanging ring 4 is installed in mobile fixed body upper cover 3；After guide groove 23 is mounted on 1 center of car body
Portion, guide groove 23 are penetrated equipped with pivot pin 27 in car body 1, and stent 6, stent 6 are equipped on the car body 1 of 23 both sides of guide groove
On pulley 7 is installed.Stent 6 is laid on the car body 1 between guide groove 23 and electric pole clip slot one, and stent 6 is three-legged support.
It is equipped under guide groove clamping body 25 on clamping body 24 and guide groove in guide groove 23, is pressed from both sides under guide groove on clamping body 24 and guide groove
Clamping forms electric pole clip slot two between tight body 25, and spring is equipped between two clamping bodies and upper and lower cell wall.It is pressed from both sides on guide groove
Tight 25 top of body is connected with end cap 26.The caliber size of guide groove 23 and mobile fixed body lower cover 2 and mobile fixed body upper cover 3 can
More to bring the electric pole for adapting to different diameters.
The rear side of stent 6 is equipped with axle bed 11, and motor 12, which is mounted on 11 rear of axle bed and passes through shaft coupling 15, connects turbine
Worm screw 9 drives the axis body rotation on axle bed 11, and rope roll 14 is mounted on axis body, and drawing is connected between the rope roll 14 and hanging ring 4
Line 5, bracing wire 5 are steel wire rope or nylon rope, and bracing wire 5 after the pulley 7 on stent 6 with rope roll 14 by being connected.1 side of car body
Side is equipped with pin hole 3 50, and cat ladder 51 is inserted into activity in pin hole 3 50 by bottom and is erected on car body 1.The motor 12 is gone back above
Equipped with level meter 52,51 activity dismounting of cat ladder, after the completion of electric pole is buried, by mobile fixed body upper cover 3 and mobile fixed body
The position of lower cover 2 is relatively high, it is necessary to which climbing by ladder removes device.
In addition, the present invention also provides a kind of power grid electric pole erection construction methods, which is characterized in that comprises the following steps：
1) electric pole slot hole is dug, electric pole is fixed on through electric pole clip slot one and electric pole clip slot two on car body 1
After transport to slot hole side；
2) 1 position of car body is adjusted convenient for lower beam, and the height of leg 13 is adjusted by observing level meter 52, stablizes car body 1
It is and horizontal；
3) control electric motor starting rotation that the rotation of rope roll 14 is driven to start constantly recycling bracing wire 5, while electric pole clip slot one end
By 5 pull-up of bracing wire, electric pole starts slowly to tilt, and becomes vertical from level, and the bottom of electric pole enters in slot hole；
4) start to banket to slot hole, to banketing, progress is closely knit, and electric pole buries completion after completing；
5) cat ladder 51 is installed, construction personnel climbs into cat ladder 51 above will mobile fixed body upper cover 3 and mobile fixed body lower cover 2
It is removed together above electric pole, end cap 26 is removed from guide groove 23, and the block body for fettering electric pole at this time releases, and removes car body
1, construction terminates.
Claims (8)
1. a kind of power grid electric pole embedded device, including car body（1）, leg（13）With guiding wheel support upright（22）, it is characterized in that：Institute
State leg（13）Mounted on car body（1）Rear end, be oriented to wheel support upright（22）Mounted on car body（1）Front end, the directive wheel branch
Column（22）Lower section is equipped with universal wheel（20）；Mobile fixed body lower cover（2）With mobile fixed body upper cover（3）It is laid in car body（1）
The forepart at center, wherein：Mobile fixed body lower cover（2）It is movably arranged on car body（1）On, mobile fixed body upper cover（3）By tight
Firmware is mounted on mobile fixed body lower cover（2）On, electric pole clip slot one, mobile fixed body upper cover are formed between the two（3）Upper peace
Equipped with hanging ring（4）；Guide groove（23）Mounted on car body（1）The rear portion at center, guide groove（23）It is equipped with pivot pin（27）Penetrate vehicle
Body（1）It is interior, the guide groove（23）The car body of both sides（1）On stent is installed（6）, stent（6）On pulley is installed（7）；
The stent（6）Rear side axle bed is installed（11）, motor（12）Mounted on axle bed（11）Rear simultaneously passes through shaft coupling
（15）Connect turbine and worm（9）Drive axle bed（11）On axis body rotation, rope roll（14）On axis body, the rope roll（14）
With hanging ring（4）Between be connected with bracing wire（5）；The car body（1）Side is equipped with pin hole three（50）, cat ladder（51）It is inserted by bottom
Pin hole three（50）Interior activity is erected at car body（1）On；The guide groove（23）It is interior to be equipped with clamping body under guide groove（24）And guiding
Clamping body on slot（25）, clamping body under guide groove（24）With clamping body on guide groove（25）Between clamping formed electric pole clip slot
Two, spring is installed between two clamping bodies and upper and lower cell wall；Clamping body on the guide groove（25）Top is connected with end cap
（26）.
2. the power grid electric pole embedded device according to claim 1, it is characterized in that, the stent（6）It is laid in guide groove
（23）With the car body between electric pole clip slot one（1）On.
3. the power grid electric pole embedded device according to claim 1, it is characterized in that, the stent（6）For three-legged support.
4. the power grid electric pole embedded device according to claim 1, it is characterized in that, the bracing wire（5）For steel wire rope or Buddhist nun
Long Sheng.
5. the power grid electric pole embedded device according to claim 1, it is characterized in that, the guiding wheel support upright（22）And branch
Foot（13）Between be installed on after-frame wheel（18）.
6. the power grid electric pole embedded device according to claim 1, it is characterized in that, the bracing wire（5）Pass through stent（6）
On pulley（7）Afterwards and rope roll（14）Connection.
7. the power grid electric pole embedded device according to claim 1, it is characterized in that, the motor（12）It is additionally provided with above
Level meter（52）.
8. a kind of construction method of power grid electric pole embedded device using as described in any one in claim 1-7, special
Sign is, comprises the following steps： 1）Electric pole slot hole is dug, electric pole is passed through into electric pole clip slot one and electric pole clip slot two
It is fixed on car body（1）Slot hole side is transported to after upper； 2）Adjust car body（1）Lower beam is convenient in position, by observing level meter（52）It adjusts
Whole leg（13）Height, make car body（1）Stablize and horizontal； 3）Electric motor starting rotation is controlled to drive rope roll（14）Rotation starts
Constantly recycling bracing wire（5）, while electric pole clip slot one end is by bracing wire（5）Pull-up, electric pole start slowly to tilt, be become from level
Vertically, the bottom of electric pole enters in slot hole； 4）Start to banket to slot hole, to banketing, progress is closely knit, and electric pole buries after completing
If it completes； 5）Cat ladder is installed（51）, construction personnel climbs into cat ladder（51）It above will mobile fixed body upper cover（3）It is fixed with mobile
Body lower cover（2）It is removed together above electric pole, end cap（26）From guide groove（23）On remove, at this time fetter electric pole block body
It releases, removes car body（1）, construction terminates.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510774008.8A CN105442932B (en) | 2015-11-13 | 2015-11-13 | A kind of power grid electric pole embedded device and construction method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510774008.8A CN105442932B (en) | 2015-11-13 | 2015-11-13 | A kind of power grid electric pole embedded device and construction method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105442932A CN105442932A (en) | 2016-03-30 |
| CN105442932B true CN105442932B (en) | 2018-06-01 |
Family
ID=55553522
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510774008.8A Active CN105442932B (en) | 2015-11-13 | 2015-11-13 | A kind of power grid electric pole embedded device and construction method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105442932B (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106114580A (en) * | 2016-08-26 | 2016-11-16 | 李晓敏 | A kind of electric power electric pole work car |
| CN106760898A (en) * | 2016-11-28 | 2017-05-31 | 国网山东省电力公司济南市长清区供电公司 | A kind of automatic device for erecting pole of electric pole |
| CN106760904B (en) * | 2017-02-19 | 2019-05-03 | 河北科博锐程电力工程有限公司 | A kind of power construction method |
| CN106958776B (en) * | 2017-03-28 | 2020-06-30 | 中国计量大学 | Auxiliary device is used in installation of stable type solar street lamp |
| CN108678532B (en) * | 2018-05-26 | 2020-03-24 | 永春县乾高智能科技有限公司 | Cement electric pole installation limiting and guiding device for electric power construction |
| CN108691452B (en) * | 2018-06-05 | 2023-08-22 | 国网河北省电力有限公司平山县供电分公司 | Split type electric pole operation, inspection and maintenance device and construction method |
| CN109025465B (en) * | 2018-07-27 | 2020-01-31 | 国网河北省电力有限公司新乐市供电分公司 | telegraph pole planting device |
| CN109160465A (en) * | 2018-10-24 | 2019-01-08 | 广东电网有限责任公司 | A kind of device facilitating plantation electric pole |
| CN109441203A (en) * | 2018-12-13 | 2019-03-08 | 国家电网有限公司 | It is a kind of for power network line construction from perpendicular positioning standing device |
| CN110344641B (en) * | 2019-07-24 | 2020-12-01 | 宣城良知知识产权服务有限公司 | Road construction pole is buried underground and is used tree device |
| CN111270901A (en) * | 2020-02-12 | 2020-06-12 | 苏州本末智能科技有限公司 | Upright supporting device for mounting street lamp pole |
| CN114575661B (en) * | 2022-03-02 | 2023-11-28 | 国网山东省电力公司平原县供电公司 | Auxiliary pole setting device of stepping type electric pole |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU538979A1 (en) * | 1973-10-26 | 1976-12-15 | Всесоюзный Институт По Проектированию Организации Энергетического Строительства "Оргэнергострой" | Device for lifting lengthy structures |
| CN201512983U (en) * | 2009-09-15 | 2010-06-23 | 湖北省电力公司咸宁供电公司 | Double-triangle rod standing device |
| CN202023404U (en) * | 2011-04-02 | 2011-11-02 | 刘云峰 | Multifunctional pole erecting device |
| CN203531496U (en) * | 2013-10-11 | 2014-04-09 | 国家电网公司 | Falling type double-holding-rod pole erecting device |
| CN203879092U (en) * | 2014-05-16 | 2014-10-15 | 国家电网公司 | Telegraph pole lifting device |
| CN204126358U (en) * | 2014-07-08 | 2015-01-28 | 国家电网公司 | The high electric pole of a kind of safety carries establishes device |
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- 2015-11-13 CN CN201510774008.8A patent/CN105442932B/en active Active
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| CN105442932A (en) | 2016-03-30 |
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Effective date of registration: 20220726 Address after: 402460 station 15, 10 / F, innovation and development center, 19 Lingfang Avenue, Changzhou street, Rongchang District, Chongqing Patentee after: Chongqing shanyudao Technology Co.,Ltd. Address before: 322105 No. 1, Shi Tan Village, Ge Shan town, Dongyang, Jinhua, Zhejiang Patentee before: DONGYANG TIANQI TECHNOLOGY CO.,LTD. |
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Effective date of registration: 20240407 Address after: 071000 Yingu village, nanhancun Town, Mancheng District, Baoding City, Hebei Province Patentee after: Baoding Jinzhao Cement Products Manufacturing Co.,Ltd. Country or region after: China Address before: 402460 station 15, 10 / F, innovation and development center, 19 Lingfang Avenue, Changzhou street, Rongchang District, Chongqing Patentee before: Chongqing shanyudao Technology Co.,Ltd. Country or region before: China |
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