CN114156673B - A grounding wire disassembly and assembly device for substation maintenance - Google Patents
A grounding wire disassembly and assembly device for substation maintenance Download PDFInfo
- Publication number
- CN114156673B CN114156673B CN202111385543.6A CN202111385543A CN114156673B CN 114156673 B CN114156673 B CN 114156673B CN 202111385543 A CN202111385543 A CN 202111385543A CN 114156673 B CN114156673 B CN 114156673B
- Authority
- CN
- China
- Prior art keywords
- grounding wire
- plate
- clamping
- groove
- fixedly connected
- 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
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R11/00—Individual connecting elements providing two or more spaced connecting locations for conductive members which are, or may be, thereby interconnected, e.g. end pieces for wires or cables supported by the wire or cable and having means for facilitating electrical connection to some other wire, terminal, or conductive member, blocks of binding posts
- H01R11/11—End pieces or tapping pieces for wires, supported by the wire and for facilitating electrical connection to some other wire, terminal or conductive member
- H01R11/12—End pieces terminating in an eye, hook, or fork
- H01R11/14—End pieces terminating in an eye, hook, or fork the hook being adapted for hanging on overhead or other suspended lines, e.g. hot line clamp
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R43/00—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Patch Boards (AREA)
- Electric Cable Installation (AREA)
Abstract
本发明涉及变电站维护技术领域，且公开了一种用于变电站维护的接地线拆装装置，包括支撑杆，所述支撑杆顶部设置有支撑机构，所述支撑杆外表面设置有接地线，所述支撑杆下端外表面开设有卡槽，所述支撑机构下端设置有固定装置。本发明通过将接地线穿过连通孔，然后将穿过连通孔的一端卡在卡槽内部，从而可以通过支撑杆将接地线与线路连接，方便对接地线进行拆装,通过卡板来拉动拉绳，使拉绳带动偏转板翘起使弧形板与线路接触，从而可以对接地线进行辅助固定，也可以避免出现意外导致支撑杆被触碰带动接地线脱离线路的情况发生，使得对接地线的固定效果更好。
The present invention relates to the technical field of transformer substation maintenance, and discloses a grounding wire disassembly and assembly device for transformer substation maintenance, comprising a support rod, a support mechanism is arranged on the top of the support rod, a grounding wire is arranged on the outer surface of the support rod, a clamping groove is opened on the outer surface of the lower end of the support rod, and a fixing device is arranged on the lower end of the support mechanism. The present invention allows the grounding wire to be connected to the line through the support rod by passing the grounding wire through a connecting hole, and then clamps one end passing through the connecting hole inside the clamping groove, so that the grounding wire can be easily disassembled and assembled, and the pull rope is pulled by the clamping plate, so that the pull rope drives the deflection plate to tilt up so that the arc plate contacts the line, so that the grounding wire can be auxiliaryly fixed, and the situation that the support rod is touched and the grounding wire is driven off the line due to an accident can be avoided, so that the fixing effect of the grounding wire is better.
Description
Technical Field
The invention relates to the technical field of transformer substation maintenance, in particular to a grounding wire dismounting device for transformer substation maintenance.
Background
The transformer substation is a place for converting voltage and current, receiving electric energy and distributing electric energy in the electric power system. The substation within the power plant is a step-up substation, which functions to step up the electrical energy generated by the generator and feed it into the high voltage grid. The earth line is a line directly connected to the earth, which may also be referred to as a safety circuit line, and it transfers high voltage directly to the earth in case of danger, thus being a life line. Is an important tool for ensuring staff in case of unexpected voltage on equipment and lines which have been powered off. The ground wire must be made of a bare copper cord of 25 square millimeters or more, as prescribed by the ministry of art.
When the grounding wire dismounting device for transformer substation maintenance in the prior art is used, the grounding wire is mostly hung on a circuit directly, so that the grounding wire is easy to slide down or slide along the circuit, accidents can be caused, and therefore, the grounding wire dismounting device for transformer substation maintenance is provided.
Disclosure of Invention
(One) solving the technical problems
Aiming at the defects of the prior art, the invention provides a grounding wire dismounting device for transformer substation maintenance, which is used for solving the problems in the background art.
(II) technical scheme
In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides a grounding wire dismouting device for transformer substation maintenance, includes the bracing piece, the bracing piece top is provided with supporting mechanism, the bracing piece surface is provided with the grounding wire, the draw-in groove has been seted up to the bracing piece lower extreme surface, the supporting mechanism lower extreme is provided with fixing device.
Preferably, the supporting mechanism comprises a clamping sleeve, the bottom of the clamping sleeve is fixedly connected with the top of the supporting rod, a clamping groove is formed in the clamping sleeve, a communication hole is formed in the lower end of the inside of the clamping sleeve, the communication hole is communicated with the clamping groove, a supporting frame is fixedly connected with the outer surface of the clamping sleeve, and the grounding wire penetrates through the communication hole and is in contact with the inside of the clamping groove and the supporting frame.
Preferably, the fixing device comprises a limiting mechanism, a clamping plate is arranged at the lower end of the limiting mechanism, a groove is formed in the clamping plate, the inner wall of the groove is in contact with the outer surface of the supporting rod, a spring is arranged in the groove, and two ends of the spring are fixedly connected with the inner wall of the groove.
Preferably, the limiting mechanism comprises a connecting frame and a pull rope, the connecting frame is fixedly connected with the outer surface of the supporting rod, the connecting frame is fixedly connected with a connecting plate, two ends of the connecting plate are respectively connected with deflection plates through rotation of a rotating shaft, two ends of the deflection plates are respectively provided with a connecting piece, the pull rope penetrates through the connecting plate, two ends of the top of the pull rope are respectively fixedly connected with the two deflection plates, and the bottom of the pull rope is fixedly connected with the clamping plate.
Preferably, the connecting piece includes the arc, the arc rotates with the deflector through the pivot to be connected, the arc is inside to be seted up the arc, the intercommunication groove has all been seted up at the arc both ends, the inside connecting band that is provided with of arc, the arc lower extreme is provided with two stopper, two intercommunication grooves are run through respectively at connecting band both ends and with two stopper fixed connection.
Preferably, the lengths of the two limiting blocks are both larger than the lengths of the two communicating grooves.
Compared with the prior art, the invention provides a grounding wire dismounting device for transformer substation maintenance, which has the following beneficial effects:
1. According to the invention, the grounding wire passes through the communication hole, and then one end passing through the communication hole is clamped in the clamping groove, so that the grounding wire can be connected with a circuit through the support rod, and the grounding wire can be conveniently disassembled and assembled.
2. According to the invention, the stay cord is pulled by the clamping plate, so that the stay cord drives the deflection plate to tilt up to enable the arc plate to be in contact with the circuit, thereby being capable of carrying out auxiliary fixation on the grounding wire, avoiding the situation that the supporting rod is touched to drive the grounding wire to be separated from the circuit due to accidents, and enabling the fixation effect of the grounding wire to be better.
3. According to the invention, the stay rope is pulled to enable the circuit to be in contact with the connecting belt and extrude the connecting belt, so that the connecting belt can enable the limiting block to pull the arc-shaped plate to deflect at two ends of the connecting belt, the contact effect between the two ends of the arc-shaped plate and the circuit is better, and the phenomenon that the supporting rod and the grounding wire slide can be effectively avoided.
4. According to the invention, the clamping plate continuously moves downwards along the supporting rod, so that the clamping plate can be clamped into the clamping groove, and the clamping plate cannot be separated from the clamping groove by the tensile force of the spring, so that the pulling effect on the deflection plate can be ensured.
Drawings
FIG. 1 is a perspective view of the present invention;
FIG. 2 is a cross-sectional view of the present invention;
FIG. 3 is a perspective view of the support mechanism and securing device of the present invention;
FIG. 4 is a schematic view of the structure of the supporting mechanism of the present invention;
FIG. 5 is a schematic view of a limiting mechanism according to the present invention;
Fig. 6 is a cross-sectional view of a connector of the present invention.
In the figure: the support rod 1, the ground wire 2, the clamping groove 3, the support mechanism 4, the clamping sleeve 41, the clamping groove 42, the communication hole 43, the support frame 44, the fixing device 5, the limiting mechanism 51, the connecting frame 511, the connecting plate 512, the deflection plate 513, the pull rope 514, the connecting piece 515, the arc plate 5151, the arc groove 5152, the connecting belt 5153, the communication groove 5154, the limiting block 5155, the clamping plate 52, the grooving 53 and the spring 54.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments.
Examples of the embodiments are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements throughout or elements having like or similar functionality. The embodiments described below by referring to the drawings are illustrative and intended to explain the present invention and should not be construed as limiting the invention.
Referring to fig. 1-6, the present invention provides a technical solution: the utility model provides a grounding wire dismouting device for transformer substation maintenance, includes bracing piece 1, and bracing piece 1 top is provided with supporting mechanism 4, and bracing piece 1 surface is provided with ground wire 2, and draw-in groove 3 has been seted up to bracing piece 1 lower extreme surface, and supporting mechanism 4 lower extreme is provided with fixing device 5.
The supporting mechanism 4 comprises a clamping sleeve 41, the bottom of the clamping sleeve 41 is fixedly connected with the top of the supporting rod 1, a clamping groove 42 is formed in the clamping sleeve 41, a communication hole 43 is formed in the lower end of the inside of the clamping sleeve 41, the communication hole 43 is communicated with the clamping groove 42, a supporting frame 44 is fixedly connected to the outer surface of the clamping sleeve 41, the grounding wire 2 penetrates through the communication hole 43 and contacts the inside of the clamping groove 42 and the supporting frame 44, and then one end penetrating through the communication hole 43 is clamped in the clamping groove 42, so that the grounding wire 2 can be connected with a circuit through the supporting rod 1, and the grounding wire can be conveniently disassembled and assembled.
The fixing device 5 comprises a limiting mechanism 51, a clamping plate 52 is arranged at the lower end of the limiting mechanism 51, a slot 53 is formed in the clamping plate 52, the inner wall of the slot 53 is in contact with the outer surface of the supporting rod 1, a spring 54 is arranged in the slot 53, two ends of the spring 54 are fixedly connected with the inner wall of the slot 53, a pull rope 514 is pulled through the clamping plate 52, the pull rope 514 drives a deflection plate 513 to tilt to enable an arc plate 5151 to be in contact with a circuit, so that the ground wire can be fixed in an auxiliary mode, the situation that the supporting rod 1 is touched to drive the ground wire 2 to be separated from the circuit due to accidents can be avoided, and the fixing effect of the ground wire is better.
The limiting mechanism 51 comprises a connecting frame 511 and a pull rope 514, the connecting frame 511 is fixedly connected with the outer surface of the supporting rod 1, the connecting frame 511 is fixedly connected with a connecting plate 512, two ends of the connecting plate 512 are respectively connected with deflection plates 513 through rotation of a rotating shaft, two ends of each deflection plate 513 are respectively provided with a connecting piece 515, the pull rope 514 penetrates through the connecting plate 512, two ends of the top of each pull rope 514 are respectively fixedly connected with the two deflection plates 513, the bottom of each pull rope 514 is fixedly connected with the corresponding clamping plate 52, the clamping plate 52 can be continuously moved downwards along the supporting rod 1, accordingly the clamping plate 52 can be clamped into the clamping groove 3, the clamping plate 52 cannot be separated from the clamping groove 3 through the pulling force of the springs 54, and accordingly the pulling effect on the deflection plates 513 can be guaranteed.
The connecting piece 515 includes arc 5151, arc 5151 rotates through pivot and deflector 513 to be connected, arc 5151 is inside to be offered the arc 5152, the intercommunication groove 5154 has all been offered at arc 5151 both ends, the inside connecting band 5153 that is provided with of arc 5152, through pulling stay cord 514, make circuit and connecting band 5153 contact and extrude it, thereby make connecting band 5153 make its both ends deflect through stopper 5155 pulling arc 5151, thereby can make the contact effect of arc 5151 both ends and circuit better, can effectually avoid appearing bracing piece 1 and earth connection 2 and appear gliding phenomenon, arc 5151 lower extreme is provided with two stopper 5155, connecting band 5153 both ends run through two intercommunication grooves 5154 respectively and with two stopper 5155 fixed connection, the length of two stopper 5155 is greater than the length of two intercommunication grooves 5154.
When in use, one end of the grounding wire 2 is made to pass through the communication hole 43 after leaning against the supporting frame 44, and one end passing through the communication hole 43 is clamped in the clamping groove 42, so that the grounding wire 2 can be connected with a circuit through the supporting rod 1, and the grounding wire can be conveniently disassembled and assembled, after the grounding wire is connected with the circuit, the pull rope 514 is pulled through the clamping plate 52, so that the pull rope 514 drives the deflection plates 513 to deflect, the two deflection plates 513 are tilted to drive the arc plates 5151 to contact the circuit, the grounding wire can be assisted and fixed, the condition that the supporting rod 1 is touched to drive the grounding wire 2 to be separated from the circuit can be avoided, the fixing effect of the grounding wire is better, when the arc 5151 is initially contacted with the circuit, the stay cord 514 is pulled continuously to enable the circuit to be contacted with the connecting belt 5153 and extrude the circuit, so that the connecting belt 5153 pulls the arc 5151 through the limiting block 5155 to enable two ends of the arc 5151 to deflect, the contact effect between two ends of the arc 5151 and the circuit is better, the phenomenon that the supporting rod 1 and the grounding wire 2 slide can be effectively avoided, the safety effect when the grounding wire is used is better, the clamping plate 52 moves downwards along the supporting rod 1 continuously through the clamping plate 52, the clamping plate 52 can be clamped into the clamping groove 3, the clamping plate 52 cannot be separated from the clamping groove 3 through the pulling force of the spring 54, and the pulling effect on the deflection plate 513 can be guaranteed.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (2)
1. A ground wire dismouting device for transformer substation maintains, includes bracing piece (1), its characterized in that: the top of the supporting rod (1) is provided with a supporting mechanism (4), the outer surface of the supporting rod (1) is provided with a grounding wire (2), the outer surface of the lower end of the supporting rod (1) is provided with a clamping groove (3), and the lower end of the supporting mechanism (4) is provided with a fixing device (5);
The supporting mechanism (4) comprises a clamping sleeve (41), the bottom of the clamping sleeve (41) is fixedly connected with the top of the supporting rod (1), a clamping groove (42) is formed in the clamping sleeve (41), a communication hole (43) is formed in the lower end of the inner part of the clamping sleeve (41), the communication hole (43) is communicated with the clamping groove (42), a supporting frame (44) is fixedly connected with the outer surface of the clamping sleeve (41), and the grounding wire (2) penetrates through the communication hole (43) and is in contact with the inner part of the clamping groove (42) and the supporting frame (44);
The fixing device (5) comprises a limiting mechanism (51), a clamping plate (52) is arranged at the lower end of the limiting mechanism (51), a groove (53) is formed in the clamping plate (52), the inner wall of the groove (53) is in contact with the outer surface of the supporting rod (1), a spring (54) is arranged in the groove (53), and two ends of the spring (54) are fixedly connected with the inner wall of the groove (53);
The limiting mechanism (51) comprises a connecting frame (511) and a pull rope (514), the connecting frame (511) is fixedly connected with the outer surface of the supporting rod (1), a connecting plate (512) is fixedly connected to the outer surface of the connecting frame (511), deflection plates (513) are rotatably connected to two ends of the connecting plate (512) through rotating shafts, connecting pieces (515) are arranged at two ends of the deflection plates (513), the pull rope (514) penetrates through the connecting plate (512), two ends of the top of the pull rope (514) are fixedly connected with the two deflection plates (513) respectively, and the bottom of the pull rope (514) is fixedly connected with the clamping plate (52);
The connecting piece (515) comprises an arc plate (5151), the arc plate (5151) is rotationally connected with the deflection plate (513) through a rotating shaft, an arc groove (5152) is formed in the arc plate (5151), communication grooves (5154) are formed in two ends of the arc plate (5151), a connecting belt (5153) is arranged in the arc groove (5152), two limiting blocks (5155) are arranged at the lower end of the arc plate (5151), and two ends of the connecting belt (5153) penetrate through the two communication grooves (5154) and are fixedly connected with the two limiting blocks (5155) respectively.
2. The ground wire dismounting device for transformer substation maintenance according to claim 1, wherein: the lengths of the two limiting blocks (5155) are larger than the lengths of the two communicating grooves (5154).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111385543.6A CN114156673B (en) | 2021-11-22 | 2021-11-22 | A grounding wire disassembly and assembly device for substation maintenance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111385543.6A CN114156673B (en) | 2021-11-22 | 2021-11-22 | A grounding wire disassembly and assembly device for substation maintenance |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114156673A CN114156673A (en) | 2022-03-08 |
| CN114156673B true CN114156673B (en) | 2024-06-11 |
Family
ID=80456795
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111385543.6A Active CN114156673B (en) | 2021-11-22 | 2021-11-22 | A grounding wire disassembly and assembly device for substation maintenance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114156673B (en) |
Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006340456A (en) * | 2005-05-31 | 2006-12-14 | Tokyo Electric Power Co Inc:The | Short-circuit grounding fixture |
| KR101945762B1 (en) * | 2018-07-09 | 2019-02-14 | 주식회사 중앙이앤씨 | Tool for withdrawing the ground wire of the whole state with distribution lines |
| KR102027945B1 (en) * | 2018-12-31 | 2019-10-02 | 한전케이피에스 주식회사 | Grounding wire bracket and grounding method using it |
| CN110600900A (en) * | 2019-09-28 | 2019-12-20 | 国网河南省电力公司三门峡供电公司 | Short circuit grounding wire and rotary buckle |
| CN209844373U (en) * | 2019-06-04 | 2019-12-24 | 国网吉林省电力有限公司长春市城郊供电公司 | A 66KV Substation Grounding Wire High-altitude Hooking Device |
| CN210723399U (en) * | 2019-11-07 | 2020-06-09 | 吴阳佳 | Pole-climbing-free grounding wire for 10kV distribution network |
| CN211404781U (en) * | 2020-04-09 | 2020-09-01 | 扬州市工二电力机具有限公司 | Portable short circuit grounding wire |
| CN212542737U (en) * | 2020-08-04 | 2021-02-12 | 张波 | Ground hanging and dismounting device for grounding wire of primary equipment of transformer substation |
| WO2021056176A1 (en) * | 2019-09-24 | 2021-04-01 | 赣州西维尔金属材料科技有限公司 | Payoff apparatus for metal cable production |
| CN213661000U (en) * | 2020-09-14 | 2021-07-09 | 青岛东成钢结构有限公司 | Auxiliary supporting device of support for transformer substation |
| CN113471914A (en) * | 2021-08-19 | 2021-10-01 | 冯子楠 | Cable fixing device of wind generating set |
| CN216818669U (en) * | 2021-11-22 | 2022-06-24 | 国家电网有限公司 | A earth connection dismouting device for transformer substation maintains |
-
2021
- 2021-11-22 CN CN202111385543.6A patent/CN114156673B/en active Active
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006340456A (en) * | 2005-05-31 | 2006-12-14 | Tokyo Electric Power Co Inc:The | Short-circuit grounding fixture |
| KR101945762B1 (en) * | 2018-07-09 | 2019-02-14 | 주식회사 중앙이앤씨 | Tool for withdrawing the ground wire of the whole state with distribution lines |
| KR102027945B1 (en) * | 2018-12-31 | 2019-10-02 | 한전케이피에스 주식회사 | Grounding wire bracket and grounding method using it |
| CN209844373U (en) * | 2019-06-04 | 2019-12-24 | 国网吉林省电力有限公司长春市城郊供电公司 | A 66KV Substation Grounding Wire High-altitude Hooking Device |
| WO2021056176A1 (en) * | 2019-09-24 | 2021-04-01 | 赣州西维尔金属材料科技有限公司 | Payoff apparatus for metal cable production |
| CN110600900A (en) * | 2019-09-28 | 2019-12-20 | 国网河南省电力公司三门峡供电公司 | Short circuit grounding wire and rotary buckle |
| CN210723399U (en) * | 2019-11-07 | 2020-06-09 | 吴阳佳 | Pole-climbing-free grounding wire for 10kV distribution network |
| CN211404781U (en) * | 2020-04-09 | 2020-09-01 | 扬州市工二电力机具有限公司 | Portable short circuit grounding wire |
| CN212542737U (en) * | 2020-08-04 | 2021-02-12 | 张波 | Ground hanging and dismounting device for grounding wire of primary equipment of transformer substation |
| CN213661000U (en) * | 2020-09-14 | 2021-07-09 | 青岛东成钢结构有限公司 | Auxiliary supporting device of support for transformer substation |
| CN113471914A (en) * | 2021-08-19 | 2021-10-01 | 冯子楠 | Cable fixing device of wind generating set |
| CN216818669U (en) * | 2021-11-22 | 2022-06-24 | 国家电网有限公司 | A earth connection dismouting device for transformer substation maintains |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114156673A (en) | 2022-03-08 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105226412B (en) | Multifunctional grounding wire insulating bar | |
| WO2012088987A1 (en) | Maintenance tool for insulator of direct current transmission line | |
| WO2012088986A1 (en) | Maintenance tool used for direct current transmission line | |
| CN115377869B (en) | Electrified installation device of insulating sheath | |
| CN202906345U (en) | Electric power system safety ground wire device | |
| CN111740249A (en) | ground wire operator | |
| CN214505798U (en) | Ground wire insulating operating rod with electric disconnecting device | |
| CN216818669U (en) | A earth connection dismouting device for transformer substation maintains | |
| CN114156673B (en) | A grounding wire disassembly and assembly device for substation maintenance | |
| CN204382187U (en) | A kind of contact net inclined cantilever insulator replacement tool | |
| CN116780403B (en) | Insulating rod with electric replacement grounding electrode insulator | |
| CN119209095A (en) | An assembled wire and cable installation device for a box-type substation | |
| CN201230166Y (en) | Tool for replacing anti-tension whole string insulator | |
| CN210109293U (en) | Inside bad point detection device of cable | |
| CN117458369B (en) | Cable installation device of wind driven generator | |
| CN115792463A (en) | Strain clamp and wire connection monitoring device | |
| CN215221054U (en) | Short circuit grounding wire with separable insulated operating rod after installation | |
| CN211654435U (en) | Insulator easy to assemble | |
| CN210297064U (en) | Live-line work tool integrating insulating bottle supporting frame and potential transferring function | |
| CN209434747U (en) | The combination tool of horizontal rotation method replacement direct current grounding pole line tension string | |
| CN208135627U (en) | A kind of Semiautomatic portable grounding wire winding device | |
| CN223625369U (en) | Bypass cable drainage line | |
| CN216436267U (en) | Power saving device for 5G communication equipment | |
| CN215343016U (en) | Earthing device easy to assemble | |
| CN218770587U (en) | Steel structure bracket for transformer substation |
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 | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |