CN110988406A - Insulating rod with test wire safety belt - Google Patents
Insulating rod with test wire safety belt Download PDFInfo
- Publication number
- CN110988406A CN110988406A CN201911208700.9A CN201911208700A CN110988406A CN 110988406 A CN110988406 A CN 110988406A CN 201911208700 A CN201911208700 A CN 201911208700A CN 110988406 A CN110988406 A CN 110988406A
- Authority
- CN
- China
- Prior art keywords
- rod
- test wire
- safety belt
- supporting rod
- insulating
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
- G01R1/02—General constructional details
- G01R1/04—Housings; Supporting members; Arrangements of terminals
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
- G01R19/0038—Circuits for comparing several input signals and for indicating the result of this comparison, e.g. equal, different, greater, smaller (comparing pulses or pulse trains according to amplitude)
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Emergency Lowering Means (AREA)
Abstract
The invention relates to an insulating rod with a test wire safety belt, which comprises a rod body, a first supporting rod and a second supporting rod, wherein the first supporting rod and the second supporting rod are arranged at the upper end of the rod body; the test wire safety belt comprises a moving ring penetrating on the second supporting rod, a fixing ring penetrating on the test wire and a connecting belt connecting the moving ring and the fixing ring, and the rod body is made of insulating materials. The invention has simple structure, safety and reliability.
Description
Technical Field
The invention relates to an electric power protection tool, in particular to an insulating rod with a test wire safety belt.
Background
The insulating rod is also called an insulating operating rod and can be used for live working, live overhaul and live maintenance working appliances, such as high-voltage disconnecting switches, drop fuse appliances and the like.
In the power test work, the test wire is connected through the insulating rod after the test wire is clamped on the insulating rod, but the connection wire has the possibility that the test wire falls off from the insulating rod head. In a high-voltage test, once the test wire clamp is weak and falls off from the insulating rod, equipment and personnel nearby the test wire fall off possibly to cause danger.
In the test process, the on-site insulating rod has more wiring times and frequent operation, and the falling risk is increased. High voltage test voltage generally is more than 10000V, and in case the test wire drops, the position that probably drops is near the personnel of lifting the action bars, and personnel's electric shock accident can take place in the moment of dropping, if take place the problem on the overlap joint equipment then can cause the equipment to damage.
Disclosure of Invention
The invention aims to provide an insulating rod with a safety belt of a test wire, which is simple in structure, safe and reliable.
The invention adopts the following technical scheme:
an insulating rod with a test wire safety belt comprises a rod body, a first supporting rod and a second supporting rod, wherein the first supporting rod and the second supporting rod are arranged at the upper end of the rod body; the test wire safety belt comprises a moving ring penetrating on the second supporting rod, a fixing ring penetrating on the test wire and a connecting belt connecting the moving ring and the fixing ring, and the rod body is made of insulating materials.
Wherein, be provided with spacing card post on the second branch.
The first supporting rod and the second supporting rod are made of conductor materials.
The connecting band, the fixing ring and the moving ring are made of conductor materials.
Wherein, the length of connecting band is 0.2~0.3 m.
The alarm device comprises a first voltage sensor arranged on the first supporting rod and a second voltage sensor arranged on the second supporting rod, and the first voltage sensor and the second voltage sensor are both connected with the controller.
Wherein the controller is connected with an alarm.
Wherein, the controller supplies power through the portable power source.
Wherein, the body of rod is the telescopic link.
The rod body comprises a plurality of single-section rods connected in an end-to-end mode, wherein an external thread is arranged at one end of each single-section rod, and an internal thread is arranged at the other end of each single-section rod.
The invention has the beneficial effects that: the top of the insulating rod body is provided with a first supporting rod for fixing a test wire, and a test wire safety belt on a second supporting rod ensures that the test wire is still positioned at the top of the insulating rod body, so that safety is ensured. Meanwhile, an alarm is timely given out through the alarm device, and an operator is reminded of paying attention to safety.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic view of the construction of the test line safety belt of the present invention.
Fig. 3 is a schematic structural view of embodiment 2.
Fig. 4 is a schematic view of a connection structure of the alarm device.
Fig. 5 is a schematic structural view of embodiment 3.
FIG. 6 is a schematic sectional view of a single-section rod.
The device comprises a rod body 1, a first supporting rod 2, a second supporting rod 3, a wire clamp 4, a moving ring 5, a test wire 6, a fixing ring 7, a connecting band 8, a limiting clamping column 9, a first voltage sensor 10, a second voltage sensor 11, a controller 12, a mobile power supply 13, an alarm 14, a single-section rod 15, an external thread 16 and an internal thread 17.
Detailed Description
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the application, its application, or uses. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present application, but the present application may be practiced in other ways than those described herein, and it will be apparent to those of ordinary skill in the art that the present application is not limited to the specific embodiments disclosed below.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.
The relative arrangement of the components and steps, the numerical expressions, and numerical values set forth in these embodiments do not limit the scope of the present application unless specifically stated otherwise. Meanwhile, it should be understood that the sizes of the respective portions shown in the drawings are not drawn in an actual proportional relationship for the convenience of description. Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate. In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.
In the description of the present application, it is to be understood that the orientation or positional relationship indicated by the directional terms such as "front, rear, upper, lower, left, right", "lateral, vertical, horizontal" and "top, bottom", etc., are generally based on the orientation or positional relationship shown in the drawings, and are used for convenience of description and simplicity of description only, and in the case of not making a reverse description, these directional terms do not indicate and imply that the device or element being referred to must have a particular orientation or be constructed and operated in a particular orientation, and therefore, should not be considered as limiting the scope of the present application; the terms "inner and outer" refer to the inner and outer relative to the profile of the respective component itself.
Spatially relative terms, such as "above … …," "above … …," "above … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial relationship to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary term "above … …" can include both an orientation of "above … …" and "below … …". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.
It should be noted that the terms "first", "second", and the like are used to define the components, and are only used for convenience of distinguishing the corresponding components, and the terms have no special meanings unless otherwise stated, and therefore, the scope of protection of the present application is not to be construed as being limited.
Example 1
Referring to fig. 1, an insulating rod with a test wire safety belt comprises a rod body 1, and a first supporting rod 2 and a second supporting rod 3 which are arranged at the upper end of the rod body 1, wherein a wire clamp 4 is arranged at the top end of the first supporting rod 2, and the test wire safety belt is arranged on the second supporting rod 3 in a penetrating manner; the test wire safety belt comprises a moving ring 5 penetrating on the second supporting rod 3, a fixing ring 7 penetrating on the test wire 6 and a connecting belt 8 connecting the moving ring 5 and the fixing ring 7, and the rod body 1 is made of insulating materials (glass reinforced plastic epoxy resin).
And a limiting clamping column 9 is arranged on the second supporting rod 3. The shift ring cover is put on second branch, can the up-and-down motion, in order to avoid strikeing the body of rod, uses spacing card post to restrict the shift ring.
The first supporting rod 2 and the second supporting rod 3 are made of conductor materials.
The connecting band 8, the fixed ring 7 and the moving ring 5 are made of conductor materials. And an insulating layer is arranged on the outer side of the connecting belt.
The length of the connecting belt 8 is 0.2-0.3 m.
During the use, the top of the insulating body of rod sets up first branch and is used for fixed test line, and the solid fixed ring of the test line safety belt on the second branch overlaps on the test line, and the shift ring cover is on second branch, and the shift ring can reciprocate at second branch, avoids exerting too big pulling force to the test line.
When the accident happens, when the test wire breaks away from the fastener on the first branch promptly, the connecting band can be held the test wire that drops, guarantees that the test wire still is located near the top of the insulating rod body to guarantee the safety of near personnel and the equipment of insulating rod.
Because the connecting band, the fixed ring and the shifting ring of the test wire safety belt are made of conductor materials, the equal potential of the test wire and the insulating rod after falling is ensured, and the problem that the test wire discharges to the insulating rod after falling is solved.
Example 2
Referring to fig. 1 to 4, an insulating rod with a test wire safety belt comprises a rod body 1, a first supporting rod 2 and a second supporting rod 3, wherein the first supporting rod 2 and the second supporting rod 3 are arranged at the upper end of the rod body 1, a wire clamp 4 is arranged at the top end of the first supporting rod 2, and the test wire safety belt is arranged on the second supporting rod 3 in a penetrating manner; the test wire safety belt comprises a moving ring 5 penetrating on the second supporting rod 3, a fixing ring 7 penetrating on the test wire 6 and a connecting belt 8 connecting the moving ring 5 and the fixing ring 7, and the rod body 1 is made of insulating materials.
And a limiting clamping column 9 is arranged on the second supporting rod 3.
The first supporting rod 2 and the second supporting rod 3 are made of conductor materials.
The connecting band 8, the fixed ring 7 and the moving ring 5 are made of conductor materials.
The length of the connecting belt 8 is 0.2-0.3 m.
The alarm device comprises a first voltage sensor 10 arranged on the first supporting rod 2 and a second voltage sensor 11 arranged on the second supporting rod 3, and the first voltage sensor 10 and the second voltage sensor 11 are both connected with a controller 12. The first voltage sensor and the second voltage sensor may be a voltage transformer, a hall voltage sensor, and an optical fiber voltage sensor. The controller is a Programmable Logic Controller (PLC) or a single chip microcomputer.
The controller 12 is connected to an alarm 13.
The controller 12 is powered by a mobile power supply 14. The mobile power supply is a lithium ion battery.
First voltage sensor and second voltage sensor detect the voltage on first branch and the second branch respectively, with signal biography to controller, because first branch, second branch and test wire safety belt are the conductor material, when the test wire is normally fixed at body of rod tip, the voltage on first branch and the second branch equals.
After the test wire breaks away from the body of rod, the voltage on the first branch can reduce, causes the voltage difference of first branch and second branch, and after the controller detected both voltages difference, can control the siren and send out the alarm sound, reminds operating personnel to notice safety.
Example 3
Referring to fig. 5, the technical solution is the same as that of embodiment 2, and the difference from embodiment 2 is that the rod body 1 is a telescopic rod.
Example 4
Referring to fig. 6, the technical solution is the same as that of embodiment 2, and the difference from embodiment 2 is that the rod body 1 includes a plurality of single-section rods 15 connected end to end, one end of each single-section rod 15 is provided with an external thread 16, and the other end of each single-section rod is provided with an internal thread 17.
The internal thread and the external screw thread at single section pole both ends are mutually supported and are connected, connect with single section pole ending mutually, can constantly prolong the length of the whole body of rod, are fit for not co-altitude's needs, convenient operation.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents or improvements made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (10)
1. The insulating rod with the test wire safety belt is characterized by comprising a rod body (1), a first supporting rod (2) and a second supporting rod (3), wherein the first supporting rod (2) and the second supporting rod (3) are arranged at the upper end of the rod body (1), a wire clamp (4) is arranged at the top end of the first supporting rod (2), and the test wire safety belt is arranged on the second supporting rod (3) in a penetrating manner; the test wire safety belt comprises a moving ring (5) arranged on the second supporting rod (3) in a penetrating mode, a fixing ring (7) arranged on the test wire (6) in a penetrating mode and a connecting band (8) for connecting the moving ring (5) and the fixing ring (7), and the rod body (1) is made of insulating materials.
2. The insulating rod with the test wire safety belt is characterized in that a limiting clamping column (9) is arranged on the second supporting rod (3).
3. The insulating rod with the test wire safety belt is characterized in that the first supporting rod (2) and the second supporting rod (3) are made of conductor materials.
4. The insulating rod with the test wire safety belt as claimed in claim 3, wherein the connecting band (8), the fixing ring (7) and the moving ring (5) are made of conductor materials.
5. The insulating rod with the test wire safety belt as claimed in claim 4, wherein the length of the connecting band (8) is 0.2-0.3 m.
6. An insulating rod with a test wire safety belt according to claim 5, characterized by further comprising an alarm device, wherein the alarm device comprises a first voltage sensor (10) arranged on the first supporting rod (2) and a second voltage sensor (11) arranged on the second supporting rod (3), and the first voltage sensor (10) and the second voltage sensor (11) are both connected with a controller (12).
7. The insulating rod with the test wire safety belt as claimed in claim 6, characterized in that the controller (12) is connected with an alarm (13).
8. The insulating rod with the test wire safety belt as claimed in claim 7, characterized in that the controller (12) is powered by a mobile power source (14).
9. The insulating rod with the test wire safety belt as claimed in claim 8, wherein the rod body (1) is a telescopic rod.
10. The insulating rod with the test wire safety belt is characterized in that the rod body (1) comprises a plurality of single-section rods (15) which are connected in a tail-ending mode, one end of each single-section rod (15) is provided with an external thread (16), and the other end of each single-section rod is provided with an internal thread (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911208700.9A CN110988406A (en) | 2019-11-30 | 2019-11-30 | Insulating rod with test wire safety belt |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911208700.9A CN110988406A (en) | 2019-11-30 | 2019-11-30 | Insulating rod with test wire safety belt |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110988406A true CN110988406A (en) | 2020-04-10 |
Family
ID=70088869
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911208700.9A Pending CN110988406A (en) | 2019-11-30 | 2019-11-30 | Insulating rod with test wire safety belt |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110988406A (en) |
Citations (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012013594A (en) * | 2010-07-02 | 2012-01-19 | Chugoku Electric Power Co Inc:The | Attaching/detaching method of meter to/from overhead wire and meter removal tool |
| CN103336153A (en) * | 2013-06-28 | 2013-10-02 | 国家电网公司 | High-voltage test junction pole |
| CN203289010U (en) * | 2013-05-14 | 2013-11-13 | 国家电网公司 | High-voltage overhead working elevator |
| CN204101589U (en) * | 2014-10-17 | 2015-01-14 | 国网辽宁省电力有限公司检修分公司 | A kind of insulating bar for the operation of 500kV equipment high-potting |
| CN204130963U (en) * | 2014-06-11 | 2015-01-28 | 国网山东高唐县供电公司 | Anti-fall insulating bar |
| CN104734051A (en) * | 2013-12-19 | 2015-06-24 | 国家电网公司 | Anti-dropping safety rod |
| CN204595032U (en) * | 2015-05-14 | 2015-08-26 | 国网山西省电力公司电力科学研究院 | A kind of high-potting line insulating carriage |
| CN105958385A (en) * | 2016-06-01 | 2016-09-21 | 国网浙江新昌县供电公司 | Ground wire safety bracing frame |
| CN205643391U (en) * | 2016-04-22 | 2016-10-12 | 国网辽宁省电力有限公司检修分公司 | Insulating tool for high -voltage testing |
| CN206349691U (en) * | 2017-01-16 | 2017-07-21 | 山东鲁昂电气有限公司 | A kind of power construction insulation support device |
| CN107680839A (en) * | 2017-11-06 | 2018-02-09 | 国家电网公司 | Novel insulating operating rod and device |
| CN107807257A (en) * | 2017-09-22 | 2018-03-16 | 国家电网公司 | Test of lightning arrester wiring servicing unit |
| CN108051616A (en) * | 2017-10-23 | 2018-05-18 | 国网辽宁省电力有限公司本溪供电公司 | GIS device loop resistance tests auxiliary tool and power construction implementation |
| CN207459555U (en) * | 2017-10-17 | 2018-06-05 | 国家电网公司 | Extra-high voltage experiment line supports insulative rope |
| CN207472924U (en) * | 2017-12-07 | 2018-06-08 | 国网安徽省电力公司淮南市潘集区供电公司 | Hanging-connecting Pear-Shaped heavy current test wire clip |
| CN207937507U (en) * | 2018-03-14 | 2018-10-02 | 中国大唐集团科学技术研究院有限公司华中分公司 | A kind of wall bushing remote band power utilization monitoring device |
| KR101998574B1 (en) * | 2019-03-19 | 2019-07-10 | 주식회사 서광이에프 | Equipment For Protecting A Distribution Line Of Apartment House |
| CN209446625U (en) * | 2018-11-06 | 2019-09-27 | 中国南方电网有限责任公司超高压输电公司广州局 | The high-altitude hanging wire insulating bar for preventing test wire from falling off |
-
2019
- 2019-11-30 CN CN201911208700.9A patent/CN110988406A/en active Pending
Patent Citations (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012013594A (en) * | 2010-07-02 | 2012-01-19 | Chugoku Electric Power Co Inc:The | Attaching/detaching method of meter to/from overhead wire and meter removal tool |
| CN203289010U (en) * | 2013-05-14 | 2013-11-13 | 国家电网公司 | High-voltage overhead working elevator |
| CN103336153A (en) * | 2013-06-28 | 2013-10-02 | 国家电网公司 | High-voltage test junction pole |
| CN104734051A (en) * | 2013-12-19 | 2015-06-24 | 国家电网公司 | Anti-dropping safety rod |
| CN204130963U (en) * | 2014-06-11 | 2015-01-28 | 国网山东高唐县供电公司 | Anti-fall insulating bar |
| CN204101589U (en) * | 2014-10-17 | 2015-01-14 | 国网辽宁省电力有限公司检修分公司 | A kind of insulating bar for the operation of 500kV equipment high-potting |
| CN204595032U (en) * | 2015-05-14 | 2015-08-26 | 国网山西省电力公司电力科学研究院 | A kind of high-potting line insulating carriage |
| CN205643391U (en) * | 2016-04-22 | 2016-10-12 | 国网辽宁省电力有限公司检修分公司 | Insulating tool for high -voltage testing |
| CN105958385A (en) * | 2016-06-01 | 2016-09-21 | 国网浙江新昌县供电公司 | Ground wire safety bracing frame |
| CN206349691U (en) * | 2017-01-16 | 2017-07-21 | 山东鲁昂电气有限公司 | A kind of power construction insulation support device |
| CN107807257A (en) * | 2017-09-22 | 2018-03-16 | 国家电网公司 | Test of lightning arrester wiring servicing unit |
| CN207459555U (en) * | 2017-10-17 | 2018-06-05 | 国家电网公司 | Extra-high voltage experiment line supports insulative rope |
| CN108051616A (en) * | 2017-10-23 | 2018-05-18 | 国网辽宁省电力有限公司本溪供电公司 | GIS device loop resistance tests auxiliary tool and power construction implementation |
| CN107680839A (en) * | 2017-11-06 | 2018-02-09 | 国家电网公司 | Novel insulating operating rod and device |
| CN207472924U (en) * | 2017-12-07 | 2018-06-08 | 国网安徽省电力公司淮南市潘集区供电公司 | Hanging-connecting Pear-Shaped heavy current test wire clip |
| CN207937507U (en) * | 2018-03-14 | 2018-10-02 | 中国大唐集团科学技术研究院有限公司华中分公司 | A kind of wall bushing remote band power utilization monitoring device |
| CN209446625U (en) * | 2018-11-06 | 2019-09-27 | 中国南方电网有限责任公司超高压输电公司广州局 | The high-altitude hanging wire insulating bar for preventing test wire from falling off |
| KR101998574B1 (en) * | 2019-03-19 | 2019-07-10 | 주식회사 서광이에프 | Equipment For Protecting A Distribution Line Of Apartment House |
Non-Patent Citations (2)
| Title |
|---|
| HANYU WU等: "A compact double-exponential current generator based on the cage cavity consisted of multisteel rods", 《IEEE TRANSACTIONS ON PLASMA SCIENCE 》 * |
| 李建伟等: "绝缘杆作业法在不停电作业中的应用", 《农村电气化》 * |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN209131545U (en) | A kind of high-precision automatic test equipment | |
| KR101782937B1 (en) | Tower for supporting overhead line of electric power transmission and distribution | |
| CN103558421A (en) | Junction pole for electrical test of circuit breaker | |
| CN111541062B (en) | High-voltage grounding clamp | |
| CN205104460U (en) | Outdoor high -tension drop type fuse's gripping tool | |
| CN110988406A (en) | Insulating rod with test wire safety belt | |
| CN211151053U (en) | High-voltage test discharging device | |
| CN108512175A (en) | Double circuits on same tower line conductor supporting rack | |
| CN206673435U (en) | Insulating bar and insulating rod component | |
| CN108564740B (en) | Warning device for electric body stage change | |
| CN211239148U (en) | Electric power engineering cable carding unit | |
| CN203616353U (en) | Adhesive type independent high-voltage test wiring device | |
| KR102281612B1 (en) | The safety auxiliary device for the live line work of the aerial distribution line | |
| CN210778287U (en) | Insulating rod | |
| CN106972387A (en) | Insulating bar and insulating rod component | |
| CN110902482B (en) | Portable winding device for cables | |
| CN107680839A (en) | Novel insulating operating rod and device | |
| CN203909088U (en) | Portable insulating operation rod | |
| CN203192544U (en) | Automatic wire-break alarm device | |
| CN207021483U (en) | Terminal fitting and binding post connection equipment | |
| CN210517025U (en) | Power line grounding device | |
| CN110702951A (en) | Push-and-pull locking type high-altitude wiring device | |
| CN107436385A (en) | Insulator detecting robot | |
| CN205863755U (en) | A kind of power engineering seal | |
| CN106935453A (en) | A kind of fuse switch lead fixed mount |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20200410 |
|
| RJ01 | Rejection of invention patent application after publication |