CN104237010B - Multifunctional concrete electric pole mechanical property detection platform - Google Patents
Multifunctional concrete electric pole mechanical property detection platform Download PDFInfo
- Publication number
- CN104237010B CN104237010B CN201410399781.6A CN201410399781A CN104237010B CN 104237010 B CN104237010 B CN 104237010B CN 201410399781 A CN201410399781 A CN 201410399781A CN 104237010 B CN104237010 B CN 104237010B
- Authority
- CN
- China
- Prior art keywords
- electric pole
- fixedly connected
- concrete electric
- properties testing
- mechanics properties
- 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.)
- Active
Links
Landscapes
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The invention provides a multifunctional concrete electric pole mechanical property detection platform. The multifunctional concrete electric pole mechanical property detection platform comprises a main body platform, a fixed box body and an L-shaped support. The main body platform comprises a base and a main wallboard, the main wallboard is fixedly connected to the base, the base is fixedly connected to the ground, the main wallboard has circumferential flange holes and long grooves which are symmetrically distributed in the horizontal direction and non-uniformly distributed in the transverse direction, the fixed box body is arranged in a foundation pit or fixed in the foundation pit, the side surface and the upper end surface of the fixed box body can be fixedly connected with U-shaped sole timber or a U-shaped hoop, and the L-shaped support is fixedly arranged behind the main wallboard. By adopting the L-shaped support, the fixed box body, the flange connecting holes and the long grooves, the test on different mechanical properties of a concrete electric pole can be realized, and the purposes of integrating the detection of various mechanical properties of the electric pole, saving time and labor and realizing high-efficient detection can be realized. The platform is simple in structure, convenient to operate, easy to assemble and high in safety and scientific performance, and important significance on promoting the healthy development of the electric pole industry can be achieved.
Description
Technical field
The invention belongs to a kind of electric pole detection technique, it is related to a kind of multi-functional concrete electric pole mechanics properties testing platform.
Background technology
Electric pole mechanical property test method includes two classes:Simply-support and cantilevered.Simply-support at present frequently with load add
Load mode is horizontal loading formula, cannot simply electric pole be carried out upwards, downward using equipment loading, and common electricity
Stick force is checked, and is all to be detected by separately designing electric pole device for detecting mechanical property, and how equipment needed thereby is it is impossible to realize
The effect of a tractor serves several purposes and multifunctionality, detection economy is not enough;And conventional sense mode installs inconvenience, safety during inspection
Cannot be guaranteed with science.
Content of the invention
The technical problem to be solved in the present invention is:There is provided a kind of multi-functional concrete electric pole mechanics properties testing platform, collection is various
, in one, carrying is few for detection means, and low cost is easy for installation, detects safety and science.
The technical scheme that the present invention takes is:A kind of multi-functional concrete electric pole mechanics properties testing platform, including main platform,
Static housing and L-type support, described main platform includes base and main wall plate, and described base level is fixedly connected on the ground;
Described main wall plate is fixedly connected on base;Described main wall plate upper end is fixedly connected L-type support one end;Described L-type support is another
End is fixedly connected on disc base, and upper end floor beam lower surface arranges square chain-wales;Described chain-wales connect jack;Institute
State jack lower end and connect pressure transducer;Described pressure transducer lower end connects U-shaped chock, and described disc base is fixedly connected
On ground and base;Described static housing is fixedly connected in the prefabricated foundation ditch in ground, and upper end arranges U-shaped anchor ear.
Described main wall plate end face is provided with the elongated slot of horizontal symmetry, is set to horizontal direction different spacing, and fore-and-aft distance is not
Deng;Described elongated slot is fixedly connected U-shaped anchor ear or chock.
Described main wall plate end face is provided with flange connecting hole, is fixedly connected electric pole ring flange or extension ring flange;Described
The extension ring flange other end is provided with opening elongated slot, is fixedly connected with different size of electric pole ring flange phase.
Chock is placed in described static housing side.
The symmetrical logarithm at least eight of described elongated slot is right.
Main wall plate bottom surface adopts reinforcement.
Described flange connecting hole is provided with two series, a diameter of Φ 650 and Φ 850.
Described static housing at least two.
Rolling support at least two.
Platform parts adopt Q235 Steel material.
Beneficial effect of the present invention:The present invention adopts main platform structure, static housing and L-type support, realizes electric pole downward
The mechanics properties testing loading;The main wall plate of main platform and static housing, realize cantilevered horizontal loading mechanics properties testing;
The flange connecting hole cooperation extension ring flange of main wall plate, realizes the mechanics properties testing of built-in type electric pole;Using main wall plate
Long slot structure and the mechanics properties testing of the achievable direct burial electric pole of U-shaped anchor ear;Using two static housings, it is capable of electric pole
Simply-support horizontal loading mechanics properties testing and the mechanics properties testing that loads upwards of simply-support.This various electricity of detection platform collection
Bar mechanical test in one it is achieved that the multifunctionality of device, electric pole assembling lay convenient and swift it is ensured that safety during inspection
Property and science.The mechanical property of electric pole after coming into operation, can be grasped in time, effectively quality control in lifting electric pole production process
Controlling the water circulation is put down, and detection platform is suitable for concrete electric pole root footpath Φ 256 ~ Φ 750, the long 4.5m ~ 24m of bar, applied widely, is that enterprise creates
The sound development being worth, be electric pole industry is made that contribution.
Brief description
Fig. 1 is main body frame side view of the present invention;
Fig. 2 is main body frame front view of the present invention;
Fig. 3 is main body frame top view of the present invention;
Fig. 4 is simply-support of the present invention downward loading detection method side schematic view;
Fig. 5 is simply-support of the present invention downward loading detection method front schematic view;
Fig. 6 is simply-support of the present invention loading detection method side schematic view upwards;
Fig. 7 is simply-support of the present invention loading detection method front schematic view upwards;
Fig. 8 is simply-support of the present invention horizontal loading detection method schematic diagram;
Fig. 9 is cantilevered detection method schematic diagram of the present invention;
Figure 10 is direct burial electric pole detects schematic diagram of the present invention;
Figure 11 is built-in type electric pole of the present invention horizontal loading detection method schematic diagram;
Figure 12 extends ring flange schematic diagram for the present invention;
Figure 13 static housing of the present invention schematic elevation view;
Figure 14 is static housing schematic top plan view of the present invention.
In figure:1st, base;2nd, main wall plate;3rd, L-type support;4th, disc base;5th, flange connecting hole;6th, elongated slot;7th,
One static housing;9th, jack;10th, pressure transducer;11st, U-shaped chock block;12nd, the first U-shaped chock;13rd, the second U-shaped chock;
14th, the second static housing;15th, rolling support;16th, the first pulling force sensor;17th, the first charger;18th, the 3rd U-shaped chock;
19th, the second rolling support;20th, the 3rd rolling support;21st, the 4th U-shaped chock;22nd, the 3rd static housing;23rd, the second pulling force passes
Sensor;24th, the second charger;25th, the 3rd charger;26th, the 3rd pulling force sensor;27th, the 4th rolling support;28th, electricity
Bar ring flange;29th, extend ring flange;30th, the 4th static housing;31st, the first U-shaped anchor ear;32nd, the second U-shaped anchor ear;33rd, the 5th
Rolling support;34th, the 4th pulling force sensor;35th, the 4th charger;36th, the gimbal lever.
Specific embodiment
As Fig. 1 ~ Figure 14, multi-functional concrete electric pole mechanics properties testing platform, including main platform, static housing 7 and L-type are propped up
Frame 3, described main platform includes base 1 and main wall plate 2, and described base 1 is fixed on the ground by foundation bolt, and using double
Nut check, so that main platform is stable, intensity is high, realizes the reliability of detection;Described main wall plate 2 passes through welding vertically to be fixed
It is connected on base 1, lower end both sides are provided with symmetrical reinforcement, increase intensity and the rigidity of main wall plate, when keeping platform test
Can be stable measure data;Described main wall plate 2 upper end is welded with connecting bracket, and connecting bracket both sides are welded with reinforcement, on
There is through hole at end, is fixedly connected one end of L-type support 3 by straight pin, the setting of straight pin can easily be removed and be assembled L-type
Support;Described L-type support 3 other end is fixedly connected on disc base 4 by straight pin and boss hole, forms a door word
Frame;In L-type support 3 end floor beam upper surface setting arc reinforcement, allow L-type support 3 stress when can keep indeformable, increase L
The rigidity of type support 3, lower surface arranges square chain-wales, for putting jack;Described chain-wales connect jack 9;Institute
State jack 9 lower end and connect pressure transducer 10, the push rod of jack 9 moves down, allow pressure transducer 10 stress, measure plus
The stress size carrying;Described pressure transducer 10 connects U-shaped chock 11, and U-shaped chock is soft material, and when pressurized, power can be delayed
Punching, it is to avoid very stiff and demanding contact, produces stress concentration, damages electric pole;Described disc base 4 is fixedly connected on ground and base 1
On, strengthen integrally-built stability;Described static housing 7 can be positioned in the prefabricated foundation ditch in ground, and can be fixed by bolts to
In foundation ditch, upper end arranges U-shaped anchor ear and is used for fixing electric pole, and a static housing 7 is respectively placed in left and right, and electric pole is placed on, cooperation
Using L-type support 3, centre is loaded downwards using jack, the downward loading mechanics properties testing of achievable simply-support.
Described main wall plate 2 end face is provided with the elongated slot 6 of horizontal symmetry, is set to horizontal direction different spacing, fore-and-aft distance
, symmetrical logarithm at least eight is right, is used for being fixedly connected U-shaped anchor ear or U-shaped chock, to adapt to the electricity of different slightly footpath and length
Bar, realizes direct burial or the mechanics properties testing of cantilevered electric pole.
Described main wall plate 2 end face is provided with flange connecting hole 5, is used for being fixedly connected electric pole ring flange 28 or extension flange
Disk 29, is connected on main wall plate by electric pole ring flange end, and the other end adopts rolling support to support, the setting rolling of rolling support bottom
Wheel, is placed on smooth bottom surface, eliminates the impact to electric pole detection for the deadweight, can be achieved with the detection of built-in type electric pole horizontal loading method
Mechanical property;Described extension ring flange 29 other end is provided with opening elongated slot, realizes solid with the electric pole ring flange phase of different-diameter
Fixed connection, the detection scope of application to ring flange electric pole for the expanding test platform.
Chock is placed in described static housing 7 side, and for electric pole in static housing lateral support, chock can protect electricity
Bar.
Described flange connecting hole 5 is provided with two series, a diameter of Φ 650 and Φ 850, and cooperation extension ring flange 29 is just
It is capable of the detection of different-diameter ring flange electric pole.
Described static housing 7 at least two, can be respectively fixedly connected with prefabricated foundation ditch by bolt, using two fixations
Casing, U-shaped chock is fixedly attached to side, and electric pole is placed in side and is capable of simply-support horizontal loading detection, by U-shaped anchor ear
It is fixedly attached to upper end, electric pole is placed in upper end and is capable of the detection of loading upwards;Mode with bolts, is easy to static housing
Dismounting.
Rolling support at least two, needs two rolling supports to support when detecting that electric pole length is long, eliminates deadweight
Impact.
Platform parts adopt Q235 Steel material, and because carbon containing is moderate, combination property is preferable, intensity, plasticity and welding etc.
Performance is preferably coordinated, and price is also economical.
Embodiment
Embodiment 1:Simply-support horizontal loading mechanics properties testing, as shown in figure 8, be placed on about two static housings
In prefabricated foundation ditch, it is respectively fixedly connected with the 4th static housing 30 and the 3rd by the 3rd U-shaped chock 18 and the 4th U-shaped chock 21
On the side of static housing 22, place equidistant second rolling support 19 and the 3rd rolling in the middle of two static housings
Frame 20, eliminates the impact to electric pole detection for the electric pole deadweight, and equal-diameter pole is placed in the U-type groove of two U-shaped chocks, and the second pulling force passes
Sensor 23 and the second charger 24 are placed in electric pole center, are placed in static housing homonymy, are connected using the gimbal lever 36 two ends
To electric pole center both sides, electric pole is loaded, a reference point is found accurately on electric pole vertical center plane, as zero point, opens
Dynamic second charger 24, after electric pole tension, transfers force to the second pulling force sensor 23, the second pulling force sensor 23 is just permissible
Measure the power size of horizontal addload, bend after electric pole stress, reference point moves, thus measuring displacement using ruler, according to
The loading force size measured and displacement are it is possible to obtain electric pole mechanics properties testing.
Embodiment 2:Simply-support loading mechanics properties testing upwards, such as Fig. 1, Fig. 5, Fig. 6 and Fig. 7, simply-support loading upwards
Identical with loading equipemtn and support member used by downward loading, change load(ing) point direction and strong point stress, by two fixed cases
Body 7 is respectively and fixedly installed in prefabricated foundation ditch, and static housing 7 upper end is fixedly connected U-shaped anchor ear, incited somebody to action by two U-shaped anchor ears etc.
Footpath electric pole two ends are clamped, and jack 9 is placed on disc base 4, and upper end connects pressure transducer 10, and pressure transducer 10 upper end is even
Connect U-shaped chock, U-shaped chock is placed in electric pole center, a reference point is found on electric pole horizontal centre plane accurately, as zero
Point, starts jack 9 shift knob, allow jack 9 push rod upwardly, transfer force to pressure transducer 10, pressure passes
Sensor 10 just can measure the power size loading upwards, bends after electric pole stress, and reference point moves, thus being measured using height gauge
Displacement, according to the loading force size measured and displacement it is possible to obtain the amount of deflection of test electric pole.
Embodiment 3:Cantilevered horizontal loading mechanics properties testing, as shown in Figure 2 and Figure 9, the first U-shaped chock 12 is placed
In main wall plate 2 side, the fixing big end of tapered electric pole is installed by the U-type groove of the second U-shaped chock 12, places the 2nd U in another fulcrum
Type chock 13, the second U-shaped chock 13 is placed in the second static housing 14 side, and electric pole adopts second to roll from top one segment distance and props up
Frame 15 supports, and the second rolling support 15 bottom surface arranges roller, and frictional force is little, can easily move in the horizontal plane, eliminates deadweight right
The impact of electric pole detection, connects the first pulling force sensor 16 on electric pole top by steel wire rope, and the first pulling force sensor 16 is fixing
It is connected to the first charger 17, a reference line is found accurately on the vertical median plane of horizontal electric pole, as zero point, start first and add
Carry and put 17, allow the first charger 17 pull steel wire rope, transfer force to the first pulling force sensor 16, the first pulling force sensor
The 16 power sizes that just can measure horizontal addload, bend after electric pole stress, reference line moves horizontally, using ruler measure mobile away from
From according to the loading force size measured and displacement it is possible to obtain electric pole mechanics properties testing.
Embodiment 4:Direct burial electric pole mechanics properties testing, as shown in figs. 2 and 10, using U-shaped anchor ear by big for electric pole end
It is fixedly connected on main wall plate 2 by the elongated slot 6 and screw-nut of main wall plate 2, the first U-shaped anchor ear 31 and the second U-shaped anchor ear 32
Separated by a distance, different spacing taken by different size of electric pole, and the other end is supported using the 5th rolling support 33, the 5th rolling
Support 33 bottom surface arranges roller, and frictional force is little, eliminates the impact to electric pole detection for the deadweight, is connected by steel wire rope on electric pole top
4th pulling force sensor 34, the 4th pulling force sensor 34 connects the 4th charger 35, looks on the vertical median plane of horizontal electric pole
An accurate reference line, as zero point, starts the 4th charger 35, allows the 4th charger 35 pull steel wire rope, power is transmitted
To the 4th pulling force sensor 34, the 4th pulling force sensor 34 just can measure the power size of horizontal addload, bends after electric pole stress,
Reference line moves horizontally, and measures displacement using ruler, according to the loading force size measured and displacement it is possible to obtain
Electric pole mechanical performance data.
Embodiment 5:Built-in type electric pole mechanics properties testing, as shown in figs. 2 and 11, by flange connecting hole 5 by method
On blue disk electric pole is fixedly connected on the flange connecting hole 5 of main wall plate 2, the other end is supported using rolling support 27, rolls and props up
Frame 27 bottom surface arranges roller, and frictional force is little, eliminates the impact to electric pole detection for the deadweight, passes through steel wire rope connection the on electric pole top
Three pulling force sensors 26, the 3rd pulling force sensor 26 connects the 3rd charger 25, finds accurately on the vertical median plane of horizontal electric pole
Article one, reference line, as zero point, starts the 3rd charger 25, allows the 3rd charger 25 pull steel wire rope, transfers force to
3rd pulling force sensor 26, the 3rd pulling force sensor 26 just can measure the power size of horizontal addload, bends after electric pole stress, ginseng
Examine line to move horizontally, measure displacement using ruler, according to the loading force size measured and displacement it is possible to obtain electricity
Bar mechanical performance data.
Claims (10)
1. a kind of multi-functional concrete electric pole mechanics properties testing platform, including main platform, static housing(7)And L-type support(3),
It is characterized in that:Described main platform includes base(1)And main wall plate(2), described base(1)Level is fixedly connected on ground
On;Described main wall plate(2)It is fixedly connected on base(1)On;Described main wall plate(2)Upper end is fixedly connected L-type support(3)One end;
Described L-type support(3)The other end is fixedly connected on disc base(4)On, upper end floor beam lower surface arranges square chain-wales;Institute
State chain-wales and connect jack(9);Described jack(9)Lower end connects pressure transducer(10);Described pressure transducer(10)
Lower end connects U-shaped chock(11), described disc base(4)It is fixedly connected on ground and base(1)On;Described static housing(7)
It is fixedly connected in the prefabricated foundation ditch in ground, upper end is fixedly connected U-shaped anchor ear.
2. multi-functional concrete electric pole mechanics properties testing platform according to claim 1 it is characterised in that:Described main wall plate
(2)End face is provided with the elongated slot of horizontal symmetry(6), it is set to horizontal direction different spacing, fore-and-aft distance;Described elongated slot
(6)It is fixedly connected U-shaped anchor ear or chock.
3. multi-functional concrete electric pole mechanics properties testing platform according to claim 1 it is characterised in that:Described main wall plate
(2)End face is provided with flange connecting hole(5), it is fixedly connected electric pole ring flange(28)Or extension ring flange(29);Described extension
Ring flange(29)The other end is provided with opening elongated slot, with different size of electric pole ring flange(28)Mutually it is fixedly connected.
4. multi-functional concrete electric pole mechanics properties testing platform according to claim 1 it is characterised in that:Described static housing
(7)Chock is placed in side.
5. multi-functional concrete electric pole mechanics properties testing platform according to claim 2 it is characterised in that:Described elongated slot(6)
Symmetrical logarithm at least eight is right.
6. multi-functional concrete electric pole mechanics properties testing platform according to claim 1 it is characterised in that:Main wall plate(2)Bottom
Face adopts reinforcement.
7. multi-functional concrete electric pole mechanics properties testing platform according to claim 3 it is characterised in that:Described ring flange is even
Connect hole(5)It is provided with two series, diameter of phi 650 and Φ 850.
8. multi-functional concrete electric pole mechanics properties testing platform according to claim 1 it is characterised in that:Described static housing
(7)At least two.
9. multi-functional concrete electric pole mechanics properties testing platform according to claim 1 it is characterised in that:Rolling support is at least
Two.
10. multi-functional concrete electric pole mechanics properties testing platform according to claim 1 it is characterised in that:Platform parts
Using Q235 Steel material.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201410399781.6A CN104237010B (en) | 2014-08-14 | 2014-08-14 | Multifunctional concrete electric pole mechanical property detection platform |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201410399781.6A CN104237010B (en) | 2014-08-14 | 2014-08-14 | Multifunctional concrete electric pole mechanical property detection platform |
Publications (2)
Publication Number | Publication Date |
---|---|
CN104237010A CN104237010A (en) | 2014-12-24 |
CN104237010B true CN104237010B (en) | 2017-02-15 |
Family
ID=52225523
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201410399781.6A Active CN104237010B (en) | 2014-08-14 | 2014-08-14 | Multifunctional concrete electric pole mechanical property detection platform |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN104237010B (en) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104713780A (en) * | 2015-03-22 | 2015-06-17 | 张锐 | Improvement device for mechanical test bench of concrete pole |
CN105954101B (en) * | 2016-05-05 | 2018-12-04 | 河南鼎力杆塔股份有限公司 | A kind of concurrent movable test platform |
CN108389463A (en) * | 2018-04-16 | 2018-08-10 | 天津城建大学 | A kind of loading system suitable for armored concrete beam test practical teaching |
CN109342216B (en) * | 2018-09-27 | 2024-02-20 | 国网宁夏电力有限公司电力科学研究院 | Concrete pole mechanical property detecting system |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3264740B2 (en) * | 1993-06-29 | 2002-03-11 | 千代田化工建設株式会社 | Pile load test device and load test method in combination with reaction force pile |
JP2001183975A (en) * | 1999-12-27 | 2001-07-06 | Sekisui House Ltd | Model for relative learning of bending strength of reinforced concrete column |
CN101498625A (en) * | 2009-03-13 | 2009-08-05 | 北京工业大学 | Component pressing and twisting experimental device and method thereof |
CN102620982A (en) * | 2012-03-28 | 2012-08-01 | 三峡大学 | Concrete beam reverse loading test device |
CN103558098B (en) * | 2013-10-22 | 2016-01-13 | 沈阳建筑大学 | Steel core concrete column pressure torsional test charger |
CN103604701B (en) * | 2013-11-28 | 2015-11-18 | 国家电网公司 | A kind of instrument and method thereof detecting in-service electric pole concrete compressive strength |
CN204116142U (en) * | 2014-08-14 | 2015-01-21 | 贵州长通电力线路器材有限公司 | A kind of multi-functional concrete electric pole mechanics properties testing platform |
-
2014
- 2014-08-14 CN CN201410399781.6A patent/CN104237010B/en active Active
Also Published As
Publication number | Publication date |
---|---|
CN104237010A (en) | 2014-12-24 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN104237010B (en) | Multifunctional concrete electric pole mechanical property detection platform | |
CN103558098B (en) | Steel core concrete column pressure torsional test charger | |
JP2014088689A (en) | Loading test method and loading test device for composite reinforcement ground | |
CN203688358U (en) | Novel post-anchored steel bar drawing detection device | |
CN101614021B (en) | Moment test device | |
CN206832583U (en) | It is a kind of to be used for the experimental rig of anchor pole stretching and shearing in jointed rock mass | |
CN203037475U (en) | Self-balancing portable automatic control shear wall horizontal vertical load interaction performance test device | |
CN104697673A (en) | Method for testing axial force of anchor rod | |
CN204112240U (en) | The overall prepressing device of Hanging Basket | |
KR20180035427A (en) | Apparatus for pile load test | |
CN108362578B (en) | Shear bearing capacity testing device for thin steel plate stud | |
CN220626034U (en) | Rock material drawing test device under three-dimensional stress condition | |
CN202814806U (en) | Concrete pipe external pressure load testing device | |
CN204116142U (en) | A kind of multi-functional concrete electric pole mechanics properties testing platform | |
JP2009229163A (en) | Method and instrument for testing load capacity of ground anchor | |
CN215715609U (en) | Single-pile horizontal bearing capacity detection device | |
CN105862944A (en) | Full-scale testing apparatus for spread foundations | |
JPH0617437A (en) | Pull-out test method of driven precast pile and pull-out tester thereto | |
KR20190055960A (en) | Apparatus for pile load test | |
CN203855991U (en) | Device for conducting anti-pulling frictional resistance test on bed rock | |
CN206593972U (en) | A kind of monitor station detected for well lid | |
KR20170121523A (en) | Apparatus for pile load test | |
CN213572094U (en) | Internal force instrument detection device | |
CN102840996B (en) | Counter-pull prepressing device for detecting bearing capacity and deformation of construction bracket, and prepressing method | |
CN105953933A (en) | Bus duct vertical temperature rise detection device and detection method |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
CP01 | Change in the name or title of a patent holder |
Address after: 551200 Qianjia Changtong Industrial Park, Gujiao Town, Longli County, Guiyang City, Guizhou Province Patentee after: Guizhou Changtong Group Co., Ltd. Address before: 551200 Qianjia Changtong Industrial Park, Gujiao Town, Longli County, Guiyang City, Guizhou Province Patentee before: Guizhou Changtong Electric Power Circuit Equipment Co.,Ltd. |
|
CP01 | Change in the name or title of a patent holder |