CN108923214B - Transformer equipment joint heating live processing device and use method - Google Patents
Transformer equipment joint heating live processing device and use method Download PDFInfo
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- CN108923214B CN108923214B CN201810778381.4A CN201810778381A CN108923214B CN 108923214 B CN108923214 B CN 108923214B CN 201810778381 A CN201810778381 A CN 201810778381A CN 108923214 B CN108923214 B CN 108923214B
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R31/00—Coupling parts supported only by co-operation with counterpart
- H01R31/06—Intermediate parts for linking two coupling parts, e.g. adapter
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/02—Contact members
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/62—Means for facilitating engagement or disengagement of coupling parts or for holding them in engagement
- H01R13/629—Additional means for facilitating engagement or disengagement of coupling parts, e.g. aligning or guiding means, levers, gas pressure electrical locking indicators, manufacturing tolerances
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- 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
- H01R43/26—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors for engaging or disengaging the two parts of a coupling device
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- Lift-Guide Devices, And Elevator Ropes And Cables (AREA)
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Abstract
The invention discloses a transformer equipment joint heating live processing device and a use method thereof, relating to the technical field of transformer equipment joint heating live processing and comprising the following steps: the connector, the adjusting casing, connect the rope, splint, drive assembly, the spout, the connector is established to more than two, and the inside cavity of connector, the both sides of adjusting the casing are connected with two adjacent connectors with the polyphone adjacent connector through the brake cable pipe respectively, it locates in the brake cable pipe to connect the rope, and can receive and release through adjusting the casing, connector upper end both sides are located to splint activity relatively, drive assembly locates inside the connector, and connect the rope and extend to in the connector and link to each other with drive assembly's input, splint link to each other with drive assembly's output, receive and release the connection rope through adjusting the casing, drive assembly motion, loosen the conductor with drive splint moving clamp conductor or opposite movement in opposite directions.
Description
Technical Field
The invention relates to the technical field of heating live processing of joints of power transformation equipment, in particular to a heating live processing device of a joint of power transformation equipment and a using method.
Background
With the rapid increase of power load, especially under the conditions of large load in summer and winter and heavy load, the heating condition of equipment is very severe, and accidents of equipment damage or forced unplanned power failure caused by untimely heating treatment of the equipment often occur in a power system. At present, the conventional method for processing the heat of the equipment has various defects that the power failure is required to be unplanned, particularly, the equipment under the bus generates heat, the whole bus is required to be quitted from running during processing, the normal running of the whole power system is greatly influenced, and the processing time is delayed; unsafe factors are increased, in order to reduce the adverse effect of power failure, the power consumption peak period is staggered in the power failure, after zero point is selected, the power failure, power transmission and equipment fault processing are mostly executed at night, the construction risk is increased due to the environmental limitation of night work, the unsafe factors are obviously increased, the processing is not thorough, the fault reason can not be accurately judged in the operation state due to the complex reason of equipment heating fault, the pre-judgment is often made according to experience, proper spare parts and spare parts are not needed when the equipment is stopped and heated in the processing process, the temporary simple processing is only needed, the power failure processing is carried out again after the needed spare parts are purchased, manpower and material resources are wasted, in the general night construction, the operation and maintenance personnel need to be put in place in advance to prepare vehicles, illumination and the like needed by the night construction, and more safety guardians and matching personnel are needed to be equipped, the same construction can be completed by 5 persons in the daytime and the construction needs about 10 persons at night, which causes unnecessary waste.
Disclosure of Invention
In order to solve the above problems, an object of the present invention is to provide a device for treating heat generation and electrification of a joint of a power transformation device and a method for using the same.
In order to achieve the purpose, the invention provides the following technical scheme:
a transformer equipment connects electrified processing apparatus that generates heat, includes:
the number of the connectors is more than two, and the connectors are hollow;
two sides of the adjusting shell are respectively connected with the two adjacent connectors through the brake cable pipes so as to be connected with the two adjacent connectors in series;
the connecting rope is arranged in the brake cable pipe and can be retracted and extended through the adjusting shell;
the clamping plates are relatively movably arranged on two sides of the upper end of the connector;
the transmission assembly is arranged inside the connector, the connecting rope extends into the connector and is connected with the input end of the transmission assembly, and the clamping plate is connected with the output end of the transmission assembly;
the wire is connected with the clamping plate on the inner side of the upper end of the adjacent connector in series to form a closed loop;
the connecting rope is retracted through the adjusting shell, the transmission assembly is driven to move, and the clamping plates are driven to move oppositely to clamp the conductor or move reversely to loosen the conductor.
As a preferred technical scheme of the invention, the adjusting shell comprises a shell, a roller is arranged in the shell, one end of the roller extends out of the shell and is connected with a rotating handle, the other end of the roller extends out of the shell and is connected with a ratchet wheel, a pawl matched with the ratchet wheel is arranged on one side of the ratchet wheel, the roller is rotated through the rotating handle and is used for winding and unwinding a connecting rope in brake cable pipes on two sides, and the roller cannot rotate after the connecting rope is tightened under the matching of the ratchet wheel and the pawl.
As a preferred technical scheme, the transmission assembly comprises a guide wheel movably arranged in the connector, the connecting rope horizontally winds in from one side of the guide wheel, vertically winds out from the other side of the guide wheel and is connected with a first wedge block, the first wedge block is positioned in the connector, wedge block assemblies matched with the first wedge block are symmetrically arranged on two sides of the first wedge block, the clamping plate is fixedly connected to the wedge block assemblies, the wedge block assemblies can be driven to move oppositely by pulling the first wedge block through the connecting rope so as to drive the clamping plate to move oppositely, and a reset assembly used for resetting the wedge block assemblies is further arranged in the connector.
As a preferred technical scheme, the wedge block assembly comprises a second wedge block, a third wedge block and a fourth wedge block, the second wedge block is symmetrically arranged at the bottoms of two sides of the first wedge block, one side of the upper end of the second wedge block is abutted against the bottom of the first wedge block through an inclined surface, the third wedge block is vertically arranged at the other side of the upper end of the second wedge block, the inclined surface of the third wedge block is abutted against the inclined surface of the other side of the upper end of the second wedge block, the fourth wedge block is abutted against the top of the third wedge block through an inclined surface, and the clamping.
As a preferred technical scheme of the invention, the resetting component comprises a sliding plate fixedly arranged at the lower end of the wedge-shaped block II, a sliding chute used for the sliding plate to horizontally slide is arranged in the connector, and a first compression spring used for the sliding plate to slide and reset is arranged between the side wall of the sliding chute and the sliding plate.
As a preferred technical scheme, the reset assembly further comprises a moving plate vertically and fixedly arranged at the upper end of the wedge-shaped block, the upper end of the moving plate is connected with the lower end of the clamping plate, the upper end of the connecting head is provided with a long hole for the moving plate to penetrate through and matched with the path track of the moving plate, and a second compression spring for moving and resetting the moving plate is arranged between the long hole and the sliding rod.
As a preferred technical scheme of the invention, the lower end of the connector is connected with an insulating rod which is convenient for a human hand to move the connector.
The invention also discloses a use method of the transformer equipment joint heating live processing device, which comprises the following use steps in sequence:
s1: when a conductor is clamped, the roller is rotated through the rotating handle, the roller can simultaneously pull the connecting rope in the brake cable pipes on two sides, the connecting rope pulls the wedge block to move downwards, the wedge blocks on two sides are pushed to move outwards and compress the compression spring I through the sliding plate, the wedge block II moves to drive the wedge block III to jack upwards, the upper end of the wedge block III can push the wedge block inwards in four directions and compress the compression spring II through the moving plate, the wedge block four drives the clamping plates on the wedge block to move oppositely to clamp the conductor of the power transformation equipment to be processed, the wire is connected with the clamping plates on the inner sides of the upper ends of the adjacent connectors in series to form a closed loop, and the roller cannot rotate after the connecting rope is tightened under the matching of the ratchet wheel and the;
s2: when the conductor is loosened, the pawl is firstly shifted to enable the roller to rotate, then the rotating handle is used for reversing the roller to loosen the rope, the sliding plate on the wedge block II returns under the reset action of the compression spring I, the wedge block II pushes the wedge block I to return, the moving plate on the wedge block IV returns under the reset action of the compression spring II, the wedge block IV pushes the wedge block III to return, and meanwhile, the clamping plate on the wedge block IV moves towards the outer side and does not clamp the conductor any more.
Compared with the prior art, the invention has the beneficial effects that:
receive and release the connection rope through adjusting the shell, drive the motion of transmission assembly to drive splint move in opposite directions and press from both sides tight conductor or opposite movement and loosen the conductor, the inboard splint in adjacent connector upper end of rethread wire series connection have not only saved a large amount of manpower and materials in order to form closed circuit, have avoided unnecessary potential safety hazard simultaneously, and the stable performance, and user experience feels good, and application prospect is wide, thereby has greatly strengthened manufacturer's market competition.
Drawings
FIG. 1 is a schematic connection diagram of the present invention;
FIG. 2 is a schematic view of the internal structure of the connector according to the present invention;
fig. 3 is a top cross-sectional view of an adjustment housing of the present invention.
In the figure: 10-a connector; 11-a chute; 12-long holes; 20-a conditioning shell; 21-a housing; 22-a roller; 23-rotating the handle; 24-a ratchet wheel; 25-a pawl; 30-connecting ropes; 40-clamping plate; 50-a transmission assembly; 51-a guide wheel; 52-wedge block one; 53-wedge block assembly; 53A-wedge block two; 53B-wedge block three; 53C-wedge block four; 54-a reduction assembly; 54A-a sled; 54B-compression spring one; 54C-moving plate; 54D-compression spring two; 60-a wire; 70-an insulating rod; 80-a thyristor.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. 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 invention.
It should be noted that all the directional indicators (such as upper, lower, left, right, front and rear …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicator is changed accordingly. Furthermore, the descriptions in this application related to "a," "an," "two," etc. are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicit ly indicating a number of technical features being indicated. Thus, a feature defined as "a", "an", or "two" may explicitly or implicitly include at least one of the feature. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.
Referring to fig. 1, 2, and 3, a power transformation device joint heat generation live processing apparatus includes: the connector 10, adjust the shell 20, connect the rope 30, splint 40, drive assembly 50, wire 60, connector 10 sets up to more than two, and connector 10 is inside hollow, the both sides of adjusting the shell 20 are connected with adjacent two connectors 10 through brake cable pipe 80 respectively in order to concatenate adjacent two connectors 10, connect the rope 30 and locate in brake cable pipe 80, and can receive and release through adjusting the shell 20, splint 40 is relative activity and locates connector 10 upper end both sides, drive assembly 50 locates inside the connector 10, and connect the rope 30 and extend to in the connector 10 and link to each other with the input of drive assembly 50, splint 40 links to each other with the output of drive assembly 50, receive and release connection rope 30 through adjusting the shell 20, drive assembly 50 motion, with drive splint 40 relative motion clamping conductor or opposite movement unclamp the conductor.
Referring to fig. 2 and 3, the adjusting shell 20 includes a housing 21, a roller 22 is disposed in the housing 21, one end of the roller 22 extends out of the housing 21 and is connected with a rotating handle 23, the other end of the roller 22 extends out of the housing 21 and is connected with a ratchet 24, a pawl 25 matched with the ratchet 24 is disposed on one side of the ratchet 24, the roller 22 is rotated by the rotating handle 23, the roller 22 is used for storing and releasing the connecting rope 30 in the gate tubes 80 on both sides, and under the matching of the ratchet 24 and the pawl 25, the roller 22 cannot rotate after the connecting rope 30 is tightened.
Referring to fig. 2 and 3, the transmission assembly 50 includes a guide wheel 51 movably disposed in the connector 10, the connection rope 30 horizontally winds from one side of the guide wheel 51, vertically winds out from the other side of the guide wheel 51 and is connected with a first wedge block 52, the first wedge block 52 is disposed in the connector 10, wedge block assemblies 53 matched with the first wedge block 52 are symmetrically disposed on two sides of the first wedge block 52, the clamping plate 40 is fixedly connected to the wedge block assemblies 53, the first wedge block 52 can be pulled through the connection rope 30 to drive the wedge block assemblies 53 to move oppositely, so as to drive the clamping plate 40 to move oppositely, and a reset assembly 54 for resetting the wedge block assemblies 53 is further disposed in the connector 10.
Preferably, wedge block subassembly 53 includes two wedge blocks 53A, three wedge blocks 53B, four wedge blocks 53C, two wedge blocks 53A symmetry locate first 52 both sides bottom of wedge block, the inclined plane supports and leans on between two 53A upper end one sides of wedge block and the first 52 bottom of wedge block, three 53B bottoms of wedge block are vertically located two 53A upper end opposite sides of wedge block and the inclined plane supports and leans on between the two, the inclined plane supports and leans on between four 53C of wedge block and the three 53B's top, splint 40 links firmly on four wedge blocks 53C.
Preferably, the reset assembly 54 includes a sliding plate 54A fixedly disposed at the lower end of the second wedge-shaped block 53A, the connector 10 is internally provided with a sliding slot 11 for the sliding plate 54A to slide horizontally, a first compression spring 54B for the sliding plate 54A to slide and reset is disposed between the side wall of the sliding slot 11 and the sliding plate 54A, the reset assembly 54 further includes a moving plate 54C vertically fixedly disposed at the upper end of the fourth wedge-shaped block 53C, the upper end of the moving plate 54C is connected with the lower end of the clamping plate 40, the upper end of the connector 10 is provided with a long hole 12 through which the moving plate 54C passes and which is matched with the track of the moving plate 54C in the row diameter, and a second compression spring 54D for the moving.
Referring to fig. 1, an insulating rod 70 is connected to the lower end of the connector 10 for allowing a person to move the connector 10, and the connector 10 can be transported to the conductors at the two ends of the power transformation equipment to be processed through the insulating rod 70.
The invention also discloses a use method of the transformer equipment joint heating live processing device, which comprises the following use steps in sequence:
s1: when the conductors are clamped, the roller 22 is rotated through the rotating handle 23, the roller 22 can simultaneously pull the connecting ropes 30 in the brake pipe 80 at two sides, the connecting ropes 30 pull the first wedge-shaped block 52 to move downwards, the second wedge-shaped block 53A at two sides is pushed outwards and compresses the first compression spring 54B through the sliding plate 54A, the second wedge-shaped block 53A moves to drive the third wedge-shaped block 53B to jack upwards, the upper end of the third wedge-shaped block 53B can push the fourth wedge-shaped block 53C inwards and compress the second compression spring 54D through the moving plate 54C, the fourth wedge-shaped block 53C drives the clamping plate 40 on the fourth wedge-shaped block to move oppositely so as to clamp the conductors of the power transformation equipment to be processed, and under the matching of the ratchet wheel 24 and the pawl 25, the roller 22 cannot rotate after the connecting;
s2: when the conductor is loosened, the pawl 25 is firstly shifted to enable the roller 22 to rotate, then the rotating handle 23 reverses the roller 22 to loosen the rope, the sliding plate 54A on the wedge block II 53A returns under the reset action of the compression spring I54B, the wedge block II 53A pushes the wedge block I52 to return, the moving plate 54C on the wedge block IV 53C returns under the reset action of the compression spring II 54D, the wedge block IV 53C pushes the wedge block III 53B to return, and meanwhile, the clamping plate 40 on the wedge block IV 53C moves towards the outer side and does not clamp the conductor any more.
While the preferred embodiments of the present invention have been illustrated and described, it will be appreciated that the invention may be embodied otherwise than as specifically described and that equivalent alterations and modifications, which may be effected thereto by those skilled in the art without departing from the spirit of the invention, are deemed to be within the scope and spirit of the invention.
Claims (7)
1. The utility model provides a substation equipment connects electrified processing apparatus that generates heat which characterized in that includes:
the number of the connectors (10) is more than two, and the connectors (10) are hollow;
the two sides of the adjusting shell (20) are respectively connected with the two adjacent connectors (10) through the brake cable pipes (80) to be connected with the two adjacent connectors (10) in series;
the connecting rope (30) is arranged in the brake pipe (80), and the connecting rope (30) can be retracted and extended through the adjusting shell (20);
the clamping plates (40), the clamping plates (40) are relatively movably arranged on two sides of the upper end of the connector (10);
the transmission assembly (50) is arranged inside the connector (10), the connecting rope (30) extends into the connector (10) and is connected with the input end of the transmission assembly (50), and the clamping plate (40) is connected with the output end of the transmission assembly (50);
the wire (60), the wire (60) connects the splint (40) of the inboard of upper end of the adjacent connector (10) in series so as to form the closed circuit;
the connecting rope (30) is retracted and extended through the adjusting shell (20), the transmission assembly (50) is driven to move, and the clamping plates (40) are driven to move oppositely to clamp the conductor or move oppositely to loosen the conductor;
adjust shell (20) and include a casing (21), be equipped with cylinder (22) in casing (21), the one end of cylinder (22) is stretched out casing (21) outer joint and is rotated handle (23), the other end of cylinder (22) is stretched out casing (21) and is connected with a ratchet (24), and be equipped with rather than assorted pawl (25) in one side of ratchet (24), rotate cylinder (22) through rotating handle (23), cylinder (22) are used for receiving and releasing connecting rope (30) in both sides brake pipe (80), and under the cooperation of ratchet (24) and pawl (25), can not take place the gyration after cylinder (22) tighten up connecting rope (30).
2. The substation equipment joint heat generation live processing device of claim 1, wherein: transmission element (50) include leading wheel (51) that a activity was located in connector (10), connect rope (30) from leading wheel (51) one side level around income, from vertical winding out of leading wheel (51) opposite side and be connected with wedge (52), wedge (52) are located connector (10), wedge (52) bilateral symmetry is equipped with wedge subassembly (53) with wedge (52) matched with, splint (40) link firmly on wedge subassembly (53), can drive wedge subassembly (53) relative motion through connecting rope (30) pulling wedge (52), with drive splint (40) relative motion, and still be equipped with reset element (54) that are used for wedge subassembly (53) to reset in connector (10).
3. The substation equipment joint heat generation live processing device of claim 2, wherein: wedge block subassembly (53) are including wedge two (53A), wedge three (53B), wedge four (53C), wedge one (52) both sides bottom is located to wedge two (53A) symmetry, the inclined plane supports against between wedge two (53A) upper end one side and wedge one (52) bottom, wedge three (53B) bottom is vertical to be located wedge two (53A) upper end opposite side and between the two inclined plane supports against, the inclined plane supports against between the top of wedge four (53C) and wedge three (53B), splint (40) link firmly on wedge four (53C).
4. The substation equipment joint heat generation live processing device of claim 3, wherein: the resetting component (54) comprises a sliding plate (54A) fixedly arranged at the lower end of the wedge-shaped block II (53A), a sliding groove (11) used for the sliding plate (54A) to horizontally slide is arranged in the connector (10), and a compression spring I (54B) used for the sliding plate (54A) to slide and reset is arranged between the side wall of the sliding groove (11) and the sliding plate (54A).
5. The substation equipment joint heat generation live processing device of claim 4, wherein: the reset assembly (54) further comprises a moving plate (54C) which is vertically and fixedly arranged at the upper end of the wedge-shaped block four (53C), the upper end of the moving plate (54C) is connected with the lower end of the clamping plate (40), the upper end of the connector (10) is provided with a long hole (12) through which the moving plate (54C) passes and which is matched with the moving path track of the moving plate (54C), and a second compression spring (54D) for moving and resetting the moving plate (54C) is arranged between the long hole (12) and the sliding rod (54C).
6. A substation equipment joint heat generation live processing device according to any one of claims 1 to 5, wherein: the lower end of the connector (10) is connected with an insulating rod (70) which is convenient for a human hand to move the connector (10).
7. The use method of the substation equipment joint heat-generating live processing device is characterized by comprising the following steps in sequence:
s1: when the conductor is clamped, the roller (22) is rotated through the rotating handle (23), the roller (22) can simultaneously pull the connecting ropes (30) in the brake pipe (80) at two sides, the connecting ropes (30) pull the first wedge block (52) to move downwards, the second wedge block (53A) at two sides is jacked to move outwards and compress the first compression spring (54B) through the sliding plate (54A), the second wedge block (53A) moves to drive the third wedge block (53B) to jack upwards, the upper end of the third wedge block (53B) can jack the fourth wedge block (53C) inwards and compress the second compression spring (54D) through the moving plate (54C), and the fourth wedge block (53C) drives the clamping plate (40) on the fourth wedge block to move towards each other so as to clamp the conductor of the transformer equipment to be processed, under the matching of the ratchet wheel (24) and the pawl (25), the roller (22) can not rotate after the connecting rope (30) is tightened;
s2: when the conductor is loosened, the pawl (25) is firstly shifted to enable the roller (22) to rotate, then the rotating handle (23) reverses the roller (22) to loosen the rope, the sliding plate (54A) on the wedge block II (53A) returns under the reset action of the compression spring I (54B), the wedge block II (53A) pushes the wedge block I (52) to return, the moving plate (54C) on the wedge block IV (53C) returns under the reset action of the compression spring II (54D), the wedge block IV (53C) pushes the wedge block III (53B) to return, and meanwhile, the clamping plate (40) on the wedge block IV (53C) moves towards the outer side and does not clamp the conductor any more.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810778381.4A CN108923214B (en) | 2018-07-16 | 2018-07-16 | Transformer equipment joint heating live processing device and use method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810778381.4A CN108923214B (en) | 2018-07-16 | 2018-07-16 | Transformer equipment joint heating live processing device and use method |
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| CN108923214A CN108923214A (en) | 2018-11-30 |
| CN108923214B true CN108923214B (en) | 2020-08-11 |
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| CN102386497A (en) * | 2011-12-07 | 2012-03-21 | 河南省电力公司南阳供电公司 | On-line processing device for heat generated by joint of power transformation equipment |
| CN104037631A (en) * | 2014-06-18 | 2014-09-10 | 国家电网公司 | Primary device connector heating clamp of electrified processing transformer substation |
| CN204917487U (en) * | 2015-09-18 | 2015-12-30 | 胡东海 | Rope winding and unwinding devices |
| CN206806868U (en) * | 2017-06-22 | 2017-12-26 | 国网河南省电力公司驻马店供电公司 | Transmission line of electricity conductor joint heating on-line treatment equipment |
| CN107946785A (en) * | 2017-10-27 | 2018-04-20 | 孙哲涛 | Transformer equipment conductor joint heating electrical treatment device |
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| CN108923214A (en) | 2018-11-30 |
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Effective date of registration: 20230620 Address after: 010000 Room 707, Block B, Greenland The Centrium, No. 18, Chilechuan Road Street, Saihan District, Hohhot, Inner Mongolia Patentee after: Inner Mongolia Fuyiqian Electric Energy Co.,Ltd. Address before: Fang Zhuang Xiang Xi Wu Cun, Rui'an City, Wenzhou City, Zhejiang Province 325200 Patentee before: Ye Qi |
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