CN109980380B - Transformer substation electrical equipment overhauls wire earthing device - Google Patents
Transformer substation electrical equipment overhauls wire earthing device Download PDFInfo
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- CN109980380B CN109980380B CN201910244310.0A CN201910244310A CN109980380B CN 109980380 B CN109980380 B CN 109980380B CN 201910244310 A CN201910244310 A CN 201910244310A CN 109980380 B CN109980380 B CN 109980380B
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- 230000005540 biological transmission Effects 0.000 claims abstract description 54
- 230000002093 peripheral effect Effects 0.000 claims description 6
- 239000004020 conductor Substances 0.000 claims description 5
- 238000012423 maintenance Methods 0.000 claims description 5
- 238000009413 insulation Methods 0.000 claims description 2
- 230000005611 electricity Effects 0.000 claims 1
- 238000000034 method Methods 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H1/00—Toothed gearings for conveying rotary motion
- F16H1/02—Toothed gearings for conveying rotary motion without gears having orbital motion
- F16H1/04—Toothed gearings for conveying rotary motion without gears having orbital motion involving only two intermeshing members
- F16H1/12—Toothed gearings for conveying rotary motion without gears having orbital motion involving only two intermeshing members with non-parallel axes
- F16H1/14—Toothed gearings for conveying rotary motion without gears having orbital motion involving only two intermeshing members with non-parallel axes comprising conical gears only
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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
- 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
- H01R11/15—Hook in the form of a screw clamp
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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
- H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
- H01R4/28—Clamped connections, spring connections
- H01R4/30—Clamped connections, spring connections utilising a screw or nut clamping member
- H01R4/36—Conductive members located under tip of screw
- H01R4/363—Conductive members located under tip of screw with intermediate part between tip and conductive member
- H01R4/366—Conductive members located under tip of screw with intermediate part between tip and conductive member intermediate part attached to the tip of the screw
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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
- H01R43/027—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors for connecting conductors by clips
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B3/00—Apparatus specially adapted for the manufacture, assembly, or maintenance of boards or switchgear
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Power Engineering (AREA)
- Electric Cable Installation (AREA)
- Suspension Of Electric Lines Or Cables (AREA)
Abstract
The invention provides a transformer substation electrical equipment overhaul wire grounding device, which comprises an insulating operating rod, a hanging locking assembly, a grounding wire and a reversing transmission device, wherein the hanging locking assembly is used for being hung with an electrical equipment wire in use, the grounding wire is electrically connected with the hanging locking assembly, the reversing transmission device is vertically or vertically arranged according to the electrical equipment wire of a transformer substation, is vertically or horizontally connected with the hanging locking assembly and is fixedly connected with the insulating operating rod, and the reversing transmission device comprises a gear box, a first bevel gear, a second bevel gear, a bearing, a vertical rotating shaft, a transverse rotating shaft and a third connecting piece; the hanging locking assembly comprises a transmission rod, a fourth connecting piece, a threaded driving rod, a mounting plate, a locking tongue, a hanging elbow and a grounding wire fixing piece. When the device is used, the locking tongue of the hanging locking assembly moves upwards or leftwards through the transmission of the reversing transmission device by rotating the insulating operating rod, and the horizontal wire or the vertical wire is clamped and grounded by being matched with the hanging elbow. The invention is convenient, safe and reliable to operate when in use, and improves work efficiency.
Description
Technical Field
The invention relates to an auxiliary tool for overhauling electrical equipment of a transformer substation, in particular to a grounding device for overhauling wires of the electrical equipment of the transformer substation.
Background
When the electrical equipment of the transformer substation is overhauled, the electrical equipment is generally required to be carried out in a power failure state, and in order to ensure the personal safety of overhauling personnel, wires at two ends of the electrical equipment are also required to be grounded through a grounding wire so as to prevent the life of the overhauling personnel from being endangered by sudden incoming calls in the overhauling process, so that the grounding wire is also called as a 'life wire' of the overhauling personnel in the industry, and the grounding of the wires at two ends of the electrical equipment is necessary to be carried out before the overhauling of the electrical equipment. The wire grounding device commonly used in the industry generally comprises an insulating operation rod, a clamping connector vertically fixed on the upper end of the insulating operation rod, a grounding wire fixedly connected with the clamping connector and electrically connected with the clamping connector, and the like, wherein when the wire of the electrical equipment is grounded, an maintainer lifts the insulating operation rod by hand, and the clamping connector is screwed up by rotating the operation rod after being hung with the wire. The electrical equipment wires of the transformer substation are generally arranged horizontally and vertically, the conventional wire grounding device can be effectively applied to wires arranged in the horizontal direction, however, for wires arranged vertically, an operator needs to stand to the same height position as the equipment wires, transversely hold the insulating operation rod, then transversely hang and screw the clamping connector and the equipment wires, and when the operator stands at the same height position as the equipment wires, the operator needs to consider the height of the electrical equipment from the ground and the safety distance from the electrified position, so that the operation risk is greatly increased.
In order to solve the above-mentioned problem, the chinese patent document with the grant publication number CN203150874U provides a universal grounding wire, which is designed and additionally provided with a direction adjusting device for steering between an insulating operation rod and a grounding wire clamp (clamping head), so as to achieve the effect of changing the operation direction of the grounding wire clamp, so as to adapt to the grounding when the wire of the electrical equipment of the transformer substation is a vertical wire, and avoid the operation of the maintenance personnel standing at the same high position as the wire of the equipment. The problems that exist are: firstly, the grounding wire clamp is connected with an insulating operation rod through a connecting plate and a shaft sleeve, the direction of the grounding wire clamp is adjusted through a universal joint and the connecting plate when the grounding wire clamp is used, the connection operation is troublesome in the use process, and the grounding wire clamp is easy to shake when being connected with a device wire in a hanging manner, so that unsafe factors are brought; meanwhile, the insulating operation rod adopts a traditional rod body formed by connecting a plurality of sections of threaded rods, and when the ground wire clamp (clamping connector) is fastened in a rotating mode, connection between the rods is easy to loosen, and unsafe factors exist.
Disclosure of Invention
The purpose of the invention is that: aiming at the problems in the prior art, the utility model provides a transformer substation electrical equipment overhauling wire grounding device with improved structure, and when the device is used, the grounding can be conveniently, reliably and safely realized on the transformer substation electrical equipment wires which are horizontally arranged or vertically arranged.
The technical scheme of the invention is as follows: the invention relates to a transformer substation electrical equipment overhaul lead grounding device, which comprises an insulating operating rod for handheld operation, a hanging locking component used for being hung with an electrical equipment lead in use, and a grounding wire electrically connected with the hanging locking component, and is structurally characterized in that: the reversing transmission device comprises a gear box, a first bevel gear, a second bevel gear, a bearing, a vertical rotating shaft, a transverse rotating shaft and a third connecting piece;
the gear box is a hollow square box body part formed by surrounding a front plate, a rear plate, an upper plate, a lower plate, a left plate and a right plate, and 1 total of 3 bearing mounting holes are respectively formed in the upper plate, the lower plate and the left plate of the gear box; the first bevel gear and the second bevel gear are arranged in the gear box; the number of the bearings is 3, and 1 bearing is fixedly arranged in each of the 3 bearing mounting holes of the gear box; the vertical rotating shaft vertically penetrates through the gear box and is fixedly connected with the inner rings of 2 bearings fixedly arranged on the upper plate and the lower plate of the gear box in an interference fit manner; the first bevel gear is fixedly connected with the vertical rotating shaft; the right part of the transverse rotating shaft is fixedly connected with the inner ring of a bearing fixedly arranged on the left plate of the gear box in an interference fit manner; the right end of the transverse rotating shaft is in transmission connection with the second bevel gear; the second bevel gear is in transmission connection with the first bevel gear; the third connecting pieces are fixedly arranged at the upper end and the lower end of the vertical rotating shaft and the left end of the horizontal rotating shaft respectively; the reversing transmission device is fixedly connected with the insulating operating rod through a third connecting piece fixedly arranged at the lower end of the vertical rotating shaft; the reversing transmission device is in transmission connection with the hitching locking assembly through a third connecting piece fixedly arranged at the upper end of the vertical rotating shaft or through a third connecting piece fixedly arranged at the left end of the transverse rotating shaft.
The further scheme is as follows: the insulating operation rod comprises a base rod, an extension rod, a first connecting piece and a second connecting piece; the first connecting piece comprises a pin sleeve, an inserting sleeve, a connecting pin and a locking nut, wherein the inserting sleeve is arranged above the pin sleeve and is integrally or fixedly connected with the pin sleeve, threads are arranged on the peripheral wall of the inserting sleeve, an inner hexagonal inserting hole is formed in the inserting sleeve, the locking nut is matched with the threads on the peripheral wall of the inserting sleeve and is arranged on the inserting sleeve, and the first connecting piece is sleeved with the upper ends of the base rod and the extension rod through the pin sleeve and then is in pin joint with the upper ends of the base rod and the extension rod through the connecting pin; the second connecting piece consists of a screw rod and a hexagonal plug-in column, the hexagonal plug-in column is arranged below the screw rod and is integrally or fixedly connected with the screw rod, and the second connecting piece is fixedly arranged at the lower end of the extension rod; the extension bar is matched and spliced with an inner hexagonal splicing hole of a splicing sleeve of a first connecting piece fixedly arranged at the upper end of the base bar through a hexagonal splicing column of a second connecting piece fixedly arranged at the lower end of the extension bar, and then is matched and screwed with a screw rod of the second connecting piece through a locking nut of the first connecting piece;
the structure of the third connecting piece of the reversing transmission device is the same as that of the second connecting piece of the insulating operation rod, and the reversing transmission device is fixedly connected with the first connecting piece fixedly arranged at the upper end of the extension rod of the insulating operation rod through the third connecting piece fixedly arranged at the lower end of the vertical rotating shaft.
The further scheme is as follows: the hanging locking assembly comprises a transmission rod, a fourth connecting piece, a threaded driving rod, a mounting plate, a locking tongue, a hanging elbow and a grounding wire fixing piece;
the structure of the fourth connecting piece is the same as that of the first connecting piece of the insulating operation rod, the fourth connecting piece is fixedly arranged at one end of the transmission rod, and the threaded driving rod is fixedly arranged at the other end of the transmission rod; the mounting plate is a plate body part with a screw hole in the middle, the locking tongue is a block part with a notch on the upper end face, the threaded driving rod is matched with the screw hole of the mounting plate, the upper end of the threaded driving rod extends upwards from the upper end of the mounting plate and is fixedly connected with the locking tongue, the hanging elbow is fixedly arranged on one side of the mounting plate, when in use, the hanging elbow is hung with a wire of the substation electrical equipment, and the wire of the substation electrical equipment is locked by the locking tongue under the driving of the threaded driving rod; the grounding wire fixing piece is fixedly arranged on the lower part of the hanging elbow and is electrically connected with the hanging elbow; the upper end of the grounding wire is fixedly connected with the hanging elbow through the grounding wire fixing piece and is electrically connected with the hanging elbow; when the transformer substation electrical equipment wire is horizontally arranged in use, the hooking and locking assembly is fixedly connected with the third connecting piece fixedly arranged on the vertical rotating shaft of the reversing transmission device through the fourth connecting piece; when the electric equipment wires of the transformer substation are vertically arranged, the hooking and locking assembly is fixedly connected with a third connecting piece fixedly arranged on the transverse rotating shaft of the reversing transmission device through a fourth connecting piece.
The further scheme is as follows: a grounding wire connecting and fixing piece is arranged on a gear box of the reversing transmission device; the upper end of the upper-section grounding wire is fixedly connected with the hanging elbow through a grounding wire fixing piece of the hanging locking assembly and is electrically connected with the hanging elbow; the lower end of the upper section grounding wire is fixedly connected and electrically connected with the upper end of the lower section grounding wire through a grounding wire connecting fixing piece of the reversing transmission device.
The further scheme is as follows: the grounding end of the lower grounding wire is provided with a wire clamp or a five-prevention special grounding lock.
The invention has the positive effects that: (1) According to the transformer substation electrical equipment overhaul lead grounding device, the reversing transmission device designed by utilizing the principle that the bevel gear is matched with rotation to change the stress direction and the structural design of the connection mode of the reversing transmission device, the insulating operation rod and the hanging locking assembly are adopted, so that when the transformer substation electrical equipment overhaul lead grounding device is used, the hanging locking assembly and the reversing transmission device can be conveniently and vertically or transversely connected according to the actual operation needs of the horizontal arrangement and the vertical arrangement of the transformer substation electrical equipment lead, and when the transformer substation electrical equipment lead is connected, only nuts are needed to be inserted and screwed, and meanwhile, when the transformer substation electrical equipment lead is hung and locked, the reversing transmission device adopts the bevel gear and bearing mode, so that the operation rod is quite easy to rotate, time and labor are saved, and work efficiency is improved. (2) According to the transformer substation electrical equipment overhaul lead grounding device, through the two specially designed connecting pieces, the connection between the base rod and the extension rod of the insulating operation rod, between the extension rod and the reversing transmission device and between the reversing transmission device and the hooking locking assembly is quick and convenient, and the connection is very firm and free from shaking, so that the technical problem that unsafe factors are caused by easy loosening and shaking of the connection part of the insulating operation rod and the connection part of each component of the insulating operation rod of the similar device in the prior art can be effectively solved.
Drawings
FIG. 1 is a schematic view of the structure of the invention when used for grounding the horizontal wires of electrical equipment of a transformer substation;
fig. 2 is a schematic structural view of the present invention when used for grounding vertical conductors of electrical equipment in a substation;
FIG. 3 is a schematic view of the insulation operating lever of FIG. 1 after the first and second connectors are added to the extension bar;
FIG. 4 is an enlarged schematic view of the structure of FIG. 3A;
FIG. 5 is a C-C cross-sectional view of FIG. 4;
FIG. 6 is an enlarged schematic view of the structure of FIG. 3B;
FIG. 7 is a schematic diagram of the reversing drive of FIG. 1;
fig. 8 is a D-D cross-sectional view of fig. 7.
The reference numerals in the above figures are as follows:
the device comprises an insulating operation rod 1, a base rod 11, an extension rod 12, a first connecting piece 13, a pin sleeve 13-1, a plug sleeve 13-2, an inner hexagonal plug hole 13-2-1, a connecting pin 13-3, a locking nut 13-4, a second connecting piece 14, a screw rod 14-1 and a hexagonal plug post 14-2;
the reversing transmission device 2, the gear box 21, the first bevel gear 22, the second bevel gear 23, the bearing 24, the vertical rotating shaft 25, the horizontal rotating shaft 26, the third connecting piece 27 and the grounding wire connecting and fixing piece 28;
the locking assembly 3, the transmission rod 31, the fourth connecting piece 32, the threaded driving rod 33, the mounting plate 34, the locking tongue 35, the hanging elbow 36 and the grounding wire fixing piece 37 are hung;
ground wire 4, clip 41.
Detailed Description
The invention will be described in further detail with reference to the drawings and the detailed description.
Example 1
Referring to fig. 1 and 2, the grounding device for the overhaul wires of the electrical equipment of the transformer substation in the embodiment mainly comprises an insulating operating rod 1, a reversing transmission device 2, a hooking and locking assembly 3 and a grounding wire 4.
Referring to fig. 3 to 6, the insulating operating rod 1 is mainly composed of a base rod 11, an extension rod 12, a first connecting member 13 and a second connecting member 14. The base rod 11 and the extension rod 12 are round rod bodies made of insulating materials, pin holes for connection are formed in the upper ends of the base rod 11 and the extension rod 12, and the number of the extension rods 12 is set according to the requirements of a construction site. The first connecting piece 13 mainly comprises a pin sleeve 13-1, a plug sleeve 13-2, connecting pins 13-3 and locking nuts 13-4, wherein the plug sleeve 13-2 is arranged above the pin sleeve 13-1 and is integrally or fixedly connected with the pin sleeve 13-1, threads are arranged on the peripheral wall of the plug sleeve 13-2, inner hexagonal plug holes 13-2-1 are arranged in the plug sleeve 13-2, the locking nuts 13-4 are matched with the threads on the peripheral wall of the plug sleeve 13-2 and are arranged on the plug sleeve 13-2, the first connecting piece 13 is fixedly arranged at the upper end of the base rod 11 and the upper end of each extension rod 12, and the specific arrangement mode is that after the first connecting piece 13 is sleeved with the upper ends of the base rod 11 and the extension rods 12 through the pin sleeve 13-1, the first connecting piece 13 is in pin joint with the base rod 11 and the extension rods 12 through the connecting pins 13-3. The second connecting piece 14 is composed of a screw rod 14-1 and a hexagonal plug-in column 14-2, the hexagonal plug-in column 14-2 is arranged below the screw rod 14-1 and is integrally or fixedly connected with the screw rod 14-1, one second connecting piece 14 is fixedly arranged at the lower end of each extension rod 12, and the second connecting piece 14 is fixedly connected with the lower end of the extension rod 12 through the upper end of the screw rod 14-1. When the insulating operation rod 1 needs to be lengthened, one extension rod 12 is matched and inserted with an inner hexagonal inserting hole 13-2-1 of an inserting sleeve 13-2 of a first connecting piece 13 fixedly arranged at the upper end of a base rod 11 through a hexagonal inserting column 14-2 of a second connecting piece 14 fixedly arranged at the lower end of the extension rod 12, and then the 1 st extension rod 12 is fixedly arranged above the base rod 11 through matched and threaded connection of a locking nut 13-4 of the first connecting piece 13 and a screw rod 14-1 of the second connecting piece 14; if lengthening is also needed, 1 extension bar is fixedly connected above the 1 st extension bar 12 by adopting the same connection mode, and the like. The insulating operation pole of this embodiment, through the mutually supporting structural design of first connecting piece and second connecting piece, make it in the use base rod 11 and extension rod 12 and adjacent 2 extension rod 12 between firm in connection reliable, can not take place to connect not hard up each other because of rotatory operation to can effectively solve the body of rod that traditional insulating operation pole adopts multistage threaded rod to connect to form in prior art when rotatory fastening ground clamp (joint), the easy not hard up problem that exists unsafe factor of being connected between pole and the pole.
Referring to fig. 7 and 8, the reversing gear 2 is mainly composed of a gear case 21, a first bevel gear 22, a second bevel gear 23, a bearing 24, a vertical rotation shaft 25, a horizontal rotation shaft 26, a third connection member 27, and a ground wire connection fixing member 28.
The gear box 21 is a hollow square box body part surrounded by a front plate, a rear plate, an upper plate, a lower plate, a left plate and a right plate, and 1 total of 3 bearing mounting holes are respectively arranged on the upper plate, the lower plate and the left plate of the gear box 21; the first bevel gear 22 and the second bevel gear 23 are arranged in the gear box 21; the number of the bearings 24 is 3, 1 bearing 24 is fixedly arranged in each of the 3 bearing mounting holes of the gear box 21, and the vertical rotating shaft 25 vertically penetrates through the gear box 21 and is fixedly connected with the inner rings of the 2 bearings 24 fixedly arranged on the upper plate and the lower plate of the gear box 21 in an interference fit manner, so that the vertical rotating shaft 25 can rotate by depending on the 2 bearings 24; the first bevel gear 22 is fixedly connected with the vertical rotating shaft 25; the right part of the transverse rotating shaft 26 is fixedly connected with the inner ring of the bearing 24 fixedly arranged on the left plate of the gear box 21 in an interference fit manner, so that the transverse rotating shaft 26 can rotate by depending on the bearing 24; the right end of the transverse rotating shaft 26 is in transmission connection with the second bevel gear 23; the second bevel gear 23 is in transmission connection with the first bevel gear 22; the structure of the third connecting piece 27 is the same as that of the second connecting piece 14 of the insulating operation rod 1, the third connecting piece 27 is fixedly arranged at the upper end and the lower end of the vertical rotating shaft 25 and the left end of the horizontal rotating shaft 26 respectively, the grounding wire connecting and fixing piece 28 is fixedly arranged at one external side of the gear box 21, the grounding wire connecting and fixing piece 28 is used for switching and fixing the grounding wire 4, and in the embodiment, the grounding wire connecting and fixing piece 28 consists of a bolt fixedly arranged on the gear box 21 and a matched nut. The reversing transmission device 2 is fixedly connected with the first connecting piece 13 fixedly arranged at the upper end of the extension rod 12 of the insulating operation rod 1 by a third connecting piece 27 fixedly arranged at the lower end of the vertical rotating shaft 25.
Still referring to fig. 1 and 2, the hitch lock assembly 3 includes a drive rod 31, a fourth connector 32, a threaded drive rod 33, a mounting plate 34, a locking tongue 35, a hitch elbow 36, and a ground wire mount 37.
The structure of the fourth connecting piece 32 is the same as that of the first connecting piece 13 of the insulating operation rod 1, the fourth connecting piece 32 is fixedly arranged at one end of the transmission rod 31, the threaded driving rod 33 is fixedly arranged at the other end of the transmission rod 31, the mounting plate 34 is a plate body piece with a screw hole in the middle, the threaded driving rod 33 is matched with the screw hole of the mounting plate 34, the locking tongue 35 is a block piece with a notch on the upper end surface, the upper end of the threaded driving rod 33 extends upwards from the upper end of the mounting plate 34 and is fixedly connected with the locking tongue 35, the hanging elbow 36 is fixedly arranged at one side of the mounting plate 34, and when in use, the hanging elbow 36 is hung with a wire of a transformer substation electrical device, and the wire of the transformer substation electrical device is locked by the locking tongue 35 under the driving of the threaded driving rod 33; the ground wire fixing member 37 is fixedly arranged on the lower portion of the hitching elbow 36, the ground wire fixing member 37 is used for adapting and fixing the ground wire 4, and in this embodiment, the ground wire fixing member 37 is composed of a bolt fixedly arranged on the hitching elbow 36 and a matched nut. A ground wire fixture 37. When the transformer substation electrical equipment wire is horizontally arranged in use, the hooking and locking assembly 3 is fixedly connected with the third connecting piece 27 fixedly arranged on the vertical rotating shaft 25 of the reversing transmission device 2 through the fourth connecting piece 32, and the structure is shown in fig. 1; when the electric equipment wires of the transformer substation are vertically arranged, the hanging locking assembly 3 is fixedly connected with the third connecting piece 27 fixedly arranged on the transverse rotating shaft 26 of the reversing transmission device 2 through the fourth connecting piece 32, and the structure of the hanging locking assembly is shown in fig. 2; in the use process, the conversion connection is realized only by inserting and screwing the nut, and the conversion operation is very convenient.
The grounding wire 4 consists of an upper section and a lower section, and the upper end of the upper section grounding wire 4 is fixedly connected and electrically connected with the hanging elbow 36 through the grounding wire fixing piece 37 of the hanging locking assembly 3; the lower end of the upper section grounding wire 4 and the upper end of the lower section grounding wire 4 are fixedly connected and electrically connected through a grounding wire connecting fixing piece 28 of the reversing transmission device 2. The grounding end of the lower grounding wire 4 is provided with a wire clamp 41 or a five-prevention special grounding lock (not shown in the figure).
When the wire grounding device for overhauling the transformer substation electrical equipment of the embodiment is used, if the wire of the transformer substation electrical equipment to be grounded is a wire which is horizontally arranged, the device is assembled into a structure shown in fig. 1, if the wire of the transformer substation electrical equipment to be grounded is a wire which is vertically arranged, the device is assembled into a structure shown in fig. 2, then the hanging elbow 36 of the hanging locking assembly 3 is hung with the wire of the equipment by lifting and operating the insulating operating rod 1, then the insulating operating rod 1 is rotated clockwise, and the transmission of the reversing transmission device 2 drives the locking tongue 35 of the hanging locking assembly 3 to move towards the hanging elbow 36 so as to clamp the wire of the equipment, and then the grounding wire 4 is grounded by utilizing the wire clamp 41 at the lower end or the special grounding lock for five-prevention.
The above embodiments are illustrative of the specific embodiments of the present invention, and not restrictive, and various changes and modifications may be made by those skilled in the relevant art without departing from the spirit and scope of the invention, and all such equivalent technical solutions are intended to be included in the scope of the invention.
Claims (5)
1. The utility model provides a transformer substation electrical equipment overhauls wire earthing device, includes the insulating operation pole that is used for handheld operation for with the articulated locking subassembly of electrical equipment wire articulates when using, and with the earth connection that articulated locking subassembly electricity is connected, its characterized in that: the reversing transmission device comprises a gear box, a first bevel gear, a second bevel gear, a bearing, a vertical rotating shaft, a horizontal rotating shaft, a third connecting piece and a grounding wire connecting and fixing piece for grounding wire switching and fixing;
the gear box is a hollow square box body part formed by surrounding a front plate, a rear plate, an upper plate, a lower plate, a left plate and a right plate, and 1 total of 3 bearing mounting holes are respectively formed in the upper plate, the lower plate and the left plate of the gear box; the first bevel gear and the second bevel gear are arranged in the gear box; the number of the bearings is 3, and 1 bearing is fixedly arranged in each of the 3 bearing mounting holes of the gear box; the vertical rotating shaft vertically penetrates through the gear box and is fixedly connected with the inner rings of 2 bearings fixedly arranged on the upper plate and the lower plate of the gear box in an interference fit manner; the first bevel gear is fixedly connected with the vertical rotating shaft; the right part of the transverse rotating shaft is fixedly connected with the inner ring of a bearing fixedly arranged on the left plate of the gear box in an interference fit manner; the right end of the transverse rotating shaft is in transmission connection with the second bevel gear; the second bevel gear is in transmission connection with the first bevel gear; the third connecting pieces are fixedly arranged at the upper end and the lower end of the vertical rotating shaft and the left end of the horizontal rotating shaft respectively; the reversing transmission device is fixedly connected with the insulating operating rod through a third connecting piece fixedly arranged at the lower end of the vertical rotating shaft; the reversing transmission device is in transmission connection with the hooking locking assembly through a third connecting piece fixedly arranged at the upper end of the vertical rotating shaft or through a third connecting piece fixedly arranged at the left end of the transverse rotating shaft; the grounding wire connecting and fixing piece is fixedly arranged on one side of the outer portion of the gear box and consists of a bolt fixedly arranged on the gear box and a matched nut.
2. The substation electrical equipment maintenance conductor grounding device according to claim 1, wherein: the insulation operation rod comprises a base rod, an extension rod, a first connecting piece and a second connecting piece; the first connecting piece comprises a pin sleeve, an inserting sleeve, a connecting pin and a locking nut, wherein the inserting sleeve is arranged above the pin sleeve and is integrally or fixedly connected with the pin sleeve, threads are arranged on the peripheral wall of the inserting sleeve, an inner hexagonal inserting hole is formed in the inserting sleeve, the locking nut is matched with the threads on the peripheral wall of the inserting sleeve and is arranged on the inserting sleeve, and the first connecting piece is sleeved with the upper ends of the base rod and the extension rod through the pin sleeve and then is in pin joint with the upper ends of the base rod and the extension rod through the connecting pin; the second connecting piece consists of a screw rod and a hexagonal plug-in column, the hexagonal plug-in column is arranged below the screw rod and is integrally or fixedly connected with the screw rod, and the second connecting piece is fixedly arranged at the lower end of the extension rod; the extension bar is matched and spliced with an inner hexagonal splicing hole of a splicing sleeve of a first connecting piece fixedly arranged at the upper end of the base bar through a hexagonal splicing column of a second connecting piece fixedly arranged at the lower end of the extension bar, and then is matched and screwed with a screw rod of the second connecting piece through a locking nut of the first connecting piece;
the structure of the third connecting piece of the reversing transmission device is the same as that of the second connecting piece of the insulating operation rod, and the reversing transmission device is fixedly connected with the first connecting piece fixedly arranged at the upper end of the extension rod of the insulating operation rod through the third connecting piece fixedly arranged at the lower end of the vertical rotating shaft.
3. The substation electrical equipment maintenance conductor grounding apparatus according to claim 2, wherein: the hanging locking assembly comprises a transmission rod, a fourth connecting piece, a threaded driving rod, a mounting plate, a locking tongue, a hanging elbow and a grounding wire fixing piece;
the structure of the fourth connecting piece is the same as that of the first connecting piece of the insulating operation rod, the fourth connecting piece is fixedly arranged at one end of the transmission rod, and the threaded driving rod is fixedly arranged at the other end of the transmission rod; the mounting plate is a plate body part with a screw hole in the middle, the locking tongue is a block part with a notch on the upper end face, the threaded driving rod is matched with the screw hole of the mounting plate, the upper end of the threaded driving rod extends upwards from the upper end of the mounting plate and is fixedly connected with the locking tongue, the hanging elbow is fixedly arranged on one side of the mounting plate, when in use, the hanging elbow is hung with a wire of the substation electrical equipment, and the wire of the substation electrical equipment is locked by the locking tongue under the driving of the threaded driving rod; the grounding wire fixing piece is fixedly arranged on the lower part of the hanging elbow and is electrically connected with the hanging elbow; the upper end of the grounding wire is fixedly connected with the hanging elbow through the grounding wire fixing piece and is electrically connected with the hanging elbow; when the transformer substation electrical equipment wire is horizontally arranged in use, the hooking and locking assembly is fixedly connected with the third connecting piece fixedly arranged on the vertical rotating shaft of the reversing transmission device through the fourth connecting piece; when the electric equipment wires of the transformer substation are vertically arranged, the hooking and locking assembly is fixedly connected with a third connecting piece fixedly arranged on the transverse rotating shaft of the reversing transmission device through a fourth connecting piece.
4. A substation electrical equipment maintenance conductor grounding apparatus as in claim 3, wherein: the upper end of the upper-section grounding wire is fixedly connected with the hanging elbow through a grounding wire fixing piece of the hanging locking assembly and is electrically connected with the hanging elbow; the lower end of the upper section grounding wire is fixedly connected and electrically connected with the upper end of the lower section grounding wire through a grounding wire connecting fixing piece of the reversing transmission device.
5. The substation electrical equipment maintenance conductor grounding apparatus according to claim 4, wherein: and a wire clamp or a five-prevention special grounding lock is arranged on the grounding end of the lower grounding wire.
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| CN201910244310.0A CN109980380B (en) | 2019-03-28 | 2019-03-28 | Transformer substation electrical equipment overhauls wire earthing device |
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| CN201910244310.0A CN109980380B (en) | 2019-03-28 | 2019-03-28 | Transformer substation electrical equipment overhauls wire earthing device |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110752531A (en) * | 2019-11-28 | 2020-02-04 | 国网江苏省电力有限公司无锡供电分公司 | Multifunctional overhaul tool for transformer substation |
| CN111613918A (en) * | 2020-06-04 | 2020-09-01 | 国网四川省电力公司乐山供电公司 | Split buckle type grounding wire |
| CN114006193A (en) * | 2021-08-25 | 2022-02-01 | 国网江苏省电力有限公司泰州供电分公司 | Earthing device capable of being operated at any angle |
| CN114156668B (en) * | 2021-12-06 | 2024-04-12 | 广东电网有限责任公司东莞供电局 | Novel grounding device with adjustable connector angle |
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