CN111952739B - Multifunctional joint for temporary grounding wire for overhaul test work of transformer substation - Google Patents
Multifunctional joint for temporary grounding wire for overhaul test work of transformer substation Download PDFInfo
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- CN111952739B CN111952739B CN202010799107.2A CN202010799107A CN111952739B CN 111952739 B CN111952739 B CN 111952739B CN 202010799107 A CN202010799107 A CN 202010799107A CN 111952739 B CN111952739 B CN 111952739B
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- side wall
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- fixedly connected
- outer side
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- 230000007246 mechanism Effects 0.000 claims abstract description 38
- 238000001514 detection method Methods 0.000 claims description 10
- 229910052754 neon Inorganic materials 0.000 description 8
- GKAOGPIIYCISHV-UHFFFAOYSA-N neon atom Chemical compound [Ne] GKAOGPIIYCISHV-UHFFFAOYSA-N 0.000 description 8
- 238000010586 diagram Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
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Classifications
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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
- H01R4/58—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 characterised by the form or material of the contacting members
- H01R4/64—Connections between or with conductive parts having primarily a non-electric function, e.g. frame, casing, rail
- H01R4/646—Connections between or with conductive parts having primarily a non-electric function, e.g. frame, casing, rail for cables or flexible cylindrical bodies
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/50—Testing of electric apparatus, lines, cables or components for short-circuits, continuity, leakage current or incorrect line connections
- G01R31/52—Testing for short-circuits, leakage current or ground faults
-
- 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
- H01R13/66—Structural association with built-in electrical component
-
- 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
- H01R4/38—Clamped connections, spring connections utilising a clamping member acted on by screw or nut
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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)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Manufacturing & Machinery (AREA)
- Power Engineering (AREA)
- Laying Of Electric Cables Or Lines Outside (AREA)
Abstract
The invention discloses a multifunctional joint of a temporary grounding wire for overhaul test work of a transformer substation, which comprises a base, wherein a first vertical plate is fixedly connected to the top of the base, a horizontal plate which is horizontally arranged is fixedly connected to the outer side wall of the first vertical plate, the horizontal plate is connected with a second vertical plate, the bottom of the second vertical plate is in sliding connection with the top of the base, clamping mechanisms are arranged on the first vertical plate and the second vertical plate, a pushing mechanism is arranged on the horizontal plate and connected with the second vertical plate, the base is connected with a movable plate through a moving mechanism, a cavity is arranged in the movable plate, a rotating shaft is fixedly connected to the inner side wall of the cavity, and the rotating shaft is connected with a rotary table through a meshing mechanism. According to the invention, the first vertical plate, the second vertical plate, the first fixed half ring, the second fixed half ring, the limiting rod, the limiting port, the connecting port, the telescopic rod and the pushing mechanism are matched for use, so that the ground wires with different diameters can be fixed, and the application range of the device is improved.
Description
Technical Field
The invention relates to the technical field of grounding wire joints, in particular to a multifunctional joint of a temporary grounding wire for overhaul test work of a transformer substation.
Background
A safety short-circuit device is hung in a transformer substation before equipment or a line is overhauled after power failure, and is a safety protection tool for preventing absolute operators or equipment from being injured due to sudden incoming calls, wherein the safety protection tool is a safety tool strictly in accordance with the technical regulation of portable short-circuit grounding wires in the national electric power industry DL/T879-2004.
The joint that current earthing for work line for temporary connection is the integral type structure mostly, and the function is single, can't fix the detection to the earth connection of different specifications, and prior art can't detect the earth connection whether electric leakage, often can appear the incident that the earth connection electric leakage leads to simultaneously, and this we propose a transformer substation's maintenance test work earthing for work line multifunctional joint to solve the problem.
Disclosure of Invention
The invention aims to solve the problems in the prior art, and provides a multifunctional joint for a temporary grounding wire for overhaul test work of a transformer substation.
In order to achieve the purpose, the invention adopts the following technical scheme:
the utility model provides a transformer substation overhauls experimental work earthing for work line multifunctional joint, includes the base, base top fixedly connected with riser, riser lateral wall fixedly connected with level set up the horizontal plate, the horizontal plate is connected with the second riser, second riser bottom and base top sliding connection, be equipped with fixture on riser and the second riser, be equipped with pushing mechanism on the horizontal plate, pushing mechanism is connected with the second riser, the base is connected with the movable plate through moving mechanism, be equipped with the cavity in the movable plate, cavity inside wall fixedly connected with axis of rotation, the axis of rotation is connected with the carousel through meshing mechanism, carousel lateral wall off-centre is provided with the test tube, be equipped with the sliding opening that is linked together with the cavity on the movable plate, be equipped with canceling release mechanical system in the sliding opening.
Preferably, a connector is formed in the second vertical plate, the inner side wall of the connector is in sliding connection with the outer side wall of the horizontal plate, and one side, opposite to the first vertical plate and the second vertical plate, of the first vertical plate is connected through a telescopic rod.
Preferably, the clamping mechanism comprises a first fixed half ring fixedly connected to the outer side wall of the first riser, a second fixed half ring fixedly connected to the outer side wall of the second riser, two limiting rods symmetrically arranged and fixedly connected to the outer side walls of the two ends of the first fixed half ring, and limiting openings matched with the limiting rods are formed in the outer side walls of the two ends of the second fixed half ring.
Preferably, pushing mechanism includes that fixed connection is the mounting panel of vertical setting at the horizontal plate top, be equipped with first screw hole on the mounting panel, first screw hole inside wall threaded connection has fastening bolt, fastening bolt tip fixedly connected with the first in command, the one end that fastening bolt kept away from the first in command is rotated with the second riser lateral wall and is connected.
Preferably, the moving mechanism comprises a sliding groove formed in the base, a lead screw is connected to the inner side wall of the sliding groove in a rotating mode, the lead screw penetrates through the sliding groove and is fixedly connected with a second handle, the lead screw is connected with the moving plate, and the bottom of the moving plate is connected with the bottom of the sliding groove in a sliding mode.
Preferably, a second threaded hole is formed in the moving plate, and the inner side wall of the second threaded hole is in threaded connection with the outer side wall of the screw rod.
Preferably, the reset mechanism comprises a slide rod fixedly connected with the inner top and the inner side wall of the slide opening.
Preferably, the meshing mechanism includes the slide of sliding connection at the slide bar lateral wall, the slide is the setting of L type, the vertical part of slide is located the cavity, the fixed cover of axis of rotation lateral wall has connect the gear, the vertical part of slide lateral wall fixedly connected with and the rack of gear engaged with, the axis of rotation run through the movable plate and with carousel fixed connection, slide bar lateral wall cover is equipped with reset spring, the reset spring both ends respectively with slide horizontal part bottom and slide mouthful interior bottom fixed connection.
Compared with the prior art, the invention has the following advantages:
1. according to the invention, the first vertical plate, the second vertical plate, the first fixed half ring, the second fixed half ring, the limiting rod, the limiting port, the connecting port, the telescopic rod and the pushing mechanism are matched for use, so that the ground wires with different diameters can be fixed, and the application range of the device is improved.
2. The ground wire leakage detection device realizes the detection of the ground wire leakage through the matching use of the moving mechanism, the moving plate, the cavity, the sliding plate, the sliding opening, the sliding rod, the reset spring and the meshing mechanism, and avoids the problem of accidents caused by the leakage phenomenon of the ground wire.
Drawings
FIG. 1 is a schematic diagram of a front connection structure of a multifunctional joint of a temporary grounding wire for overhaul test work of a transformer substation, which is provided by the invention;
FIG. 2 is a schematic view of an internal connection structure of a movable plate in a multifunctional joint of a temporary grounding wire for overhaul test work of a transformer substation, which is provided by the invention;
FIG. 3 is a schematic view of a connection structure of a clamping mechanism in a multifunctional joint of a temporary grounding wire for overhaul test work of a transformer substation, which is provided by the invention;
fig. 4 is a schematic view of a connection structure of a gear, a rotating shaft and a turntable in the multifunctional joint of the temporary grounding wire for overhaul test work of the transformer substation provided by the invention.
In the figure: 1. a base; 2. a first vertical plate; 3. a horizontal plate; 4. a second vertical plate; 5. a telescopic rod; 6. mounting a plate; 7. fastening a bolt; 8. a first handle; 9. a first stationary half ring; 10. a second stationary half ring; 11. a limiting rod; 12. a limiting port; 13. a chute; 14. a lead screw; 15. moving the plate; 16. a second handle; 17. a cavity; 18. a rotating shaft; 19. a gear; 20. a slide plate; 21. a rack; 22. a sliding port; 23. a slide bar; 24. a return spring; 25. a turntable; 26. and (6) detecting the tube.
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.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
Referring to fig. 1-4, a multifunctional joint for a temporary grounding wire of a transformer substation overhaul test work comprises a base 1, wherein a first vertical plate 2 is fixedly connected to the top of the base 1, a horizontal plate 3 which is horizontally arranged is fixedly connected to the outer side wall of the first vertical plate 2, the horizontal plate 3 is connected with a second vertical plate 4, a connecting port is formed in the second vertical plate 4, the inner side wall of the connecting port is in sliding connection with the outer side wall of the horizontal plate 3, the second vertical plate 4 is horizontally moved through the sliding connection between the connecting port and the horizontal plate 3, and a first handle 8 is rotated to drive a fastening bolt 7 to rotate so as to drive the second vertical plate 4 to approach the first vertical plate 2;
the opposite side of the first vertical plate 2 and the second vertical plate 4 is connected through a telescopic rod 5, the moving stability of the second vertical plate 4 is improved through the telescopic rod 5, the bottom of the second vertical plate 4 is connected with the top of the base 1 in a sliding way, the first vertical plate 2 and the second vertical plate 4 are provided with a clamping mechanism, the clamping mechanism comprises a first fixed semi-ring 9 fixedly connected with the outer side wall of the first vertical plate 2, the outer side wall of the second vertical plate 4 is fixedly connected with a second fixed semi-ring 10, the second stationary half ring 10 is engaged with the first stationary half ring 9 by moving the second riser 4, the grounding wires in the first fixed half ring 9 and the second fixed half ring 10 are fixed, and the first fixed half ring 9 and the second fixed half ring 10 are matched for use, so that the device can fix the grounding wires with different diameters, and the problem that the traditional devices with different grounding wire specifications cannot fix the grounding wires with different specifications is solved;
the outer side walls of two ends of the first stationary half ring 9 are fixedly connected with two symmetrically arranged limiting rods 11, the outer side walls of two ends of the second stationary half ring 10 are provided with limiting ports 12 matched with the limiting rods 11, wherein the limiting ports 12 are matched with the limiting rods 11, when the second stationary half ring 10 moves towards the first stationary half ring 9, the limiting rods 11 are inserted into the limiting ports 12, and the first stationary half ring 9 can be ensured to be stably corresponding to the second stationary half ring 10 through the matching use of the limiting ports 12 and the limiting rods 11, so that the stability of the device is improved;
the horizontal plate 3 is provided with a pushing mechanism, the pushing mechanism comprises a mounting plate 6 which is fixedly connected to the top of the horizontal plate 3 and vertically arranged, a first threaded hole is formed in the mounting plate 6, the inner side wall of the first threaded hole is in threaded connection with a fastening bolt 7, the end part of the fastening bolt 7 is fixedly connected with a first handle 8, one end, far away from the first handle 8, of the fastening bolt 7 is rotatably connected with the outer side wall of a second vertical plate 4, the pushing mechanism is connected with the second vertical plate 4, and through the matching use of the mounting plate 6, the fastening bolt 7 and the first handle 8, the second vertical plate 4 is moved, and further the second fixed semi-ring 10 is moved;
the base 1 is connected with a movable plate 15 through a moving mechanism, the moving mechanism comprises a chute 13 arranged on the base 1, the inner side wall of the chute 13 is rotatably connected with a lead screw 14, the lead screw 14 penetrates through the chute 13 and is fixedly connected with a second handle 16, the lead screw 14 is connected with the movable plate 15, the bottom of the movable plate 15 is in sliding connection with the inner bottom of the chute 13, the movable plate 15 is provided with a second threaded hole, the inner side wall of the second threaded hole is in threaded connection with the outer side wall of the lead screw 14 and is in threaded connection with the outer side wall of the lead screw 14 through the second threaded hole, the second handle 16 is rotated to drive the lead screw 14 to rotate, the movable plate 15 is rotated to move in the chute 13, the position of a rotary plate 25 can be adjusted through the movement of the movable plate 15, and further the detection tube 26 on the rotary plate 25 can detect the grounding wire;
the movable plate 15 is internally provided with a cavity 17, the inner side wall of the cavity 17 is fixedly connected with a rotating shaft 18, the rotating shaft 18 is connected with a turntable 25 through a meshing mechanism, the meshing mechanism comprises a sliding plate 20 which is connected to the outer side wall of a sliding rod 23 in a sliding manner, the sliding plate 20 can slide up and down on the outer side wall of the sliding rod 23 through the arrangement of the sliding rod 23, the limiting of the sliding plate 20 is realized, and the up-and-down movement stability of the sliding plate 20 is further improved;
the sliding plate 20 is arranged in an L shape, the vertical part of the sliding plate 20 is positioned in the cavity 17, the outer side wall of the rotating shaft 18 is fixedly sleeved with the gear 19, the outer side wall of the vertical part of the sliding plate 20 is fixedly connected with the rack 21 meshed with the gear 19, and the rack 21 drives the gear 19 to rotate when moving up and down along with the sliding plate 20 through the meshed connection of the rack 21 and the gear 19, so as to drive the rotary disc 25 coaxial with the gear 19 to rotate;
the rotating shaft 18 penetrates through the moving plate 15 and is fixedly connected with the rotary disc 25, the outer side wall of the sliding rod 23 is sleeved with a return spring 24, two ends of the return spring 24 are fixedly connected with the bottom of the horizontal part of the sliding plate 20 and the bottom in the sliding opening 22 respectively, and the return spring 24 is sleeved on the outer side wall of the sliding rod 23, so that the sliding plate 20 is quickly reset and is convenient to reuse;
the detection tube 26 is eccentrically arranged on the outer side wall of the rotary table 25, neon is filled in the detection tube 26, since neon is an inactive gas, light can be emitted when current passes through the detection tube, the detection tube 26 rotates along with the rotary table 25 and surrounds the ground wire, when the current is used, the neon can emit light, the phenomenon that the ground wire is short-circuited and broken can be detected, the ground wire can be processed in time, safety accidents possibly caused by the short circuit of the ground wire can be avoided, and the safety performance is improved;
the moving plate 15 is provided with a sliding opening 22 communicated with the cavity 17, a resetting mechanism is arranged in the sliding opening 22, and the resetting mechanism comprises a sliding rod 23 fixedly connected with the inner top and the inner side wall of the sliding opening 22.
The specific working principle of the invention is as follows:
in an initial state, a grounding wire is placed on the inner side wall of the first fixed semi-ring 9, the first handle 8 is rotated, the first handle 8 rotates to drive the fastening bolt 7 to rotate, the end part of the fastening bolt 7 is rotatably connected with the outer side wall of the second vertical plate 4, and the fastening bolt 7 rotates to drive the second vertical plate 4 to horizontally and reversely move;
the second fixed half ring 10 is clamped with the first fixed half ring 9 by moving the second vertical plate 4, so that the grounding wires in the first fixed half ring 9 and the second fixed half ring 10 are fixed, and the grounding wires with different diameters can be fixed by the device through the matching use of the first fixed half ring 9 and the second fixed half ring 10, so that the problem that the traditional devices with different grounding wire specifications cannot fix the grounding wires with different specifications is solved;
after the grounding wire is fixed, an operator only needs to step on the sliding plate 20 by feet, the sliding plate 20 can move downwards after being stepped, and the sliding plate 20 is arranged in an L shape, so that the sliding plate 20 can drive the rack 21 in the vertical part of the sliding plate 20 to descend when moving downwards, and is meshed and connected with the gear 19 through the rack 21, and the rack 21 can drive the gear 19 to rotate when moving upwards and downwards;
the gear 19 rotates to drive the rotating shaft 18 to rotate, the rotating shaft 18 rotates to drive the rotating disc 25 to rotate due to the fact that the rotating disc 25 and the gear 19 rotate coaxially, the detecting tube 26 is fixedly connected to the outer side wall of the rotating disc 25, neon is filled in the detecting tube 26, the detecting tube 26 rotates along with the rotating disc 25, and the rotating disc 25 is eccentrically arranged, so that the detecting tube 26 is driven to rotate around a grounding wire when the rotating disc 25 rotates;
because neon is an inert gas, when current passes through neon, neon can emit light, the detection tube 26 rotates along with the rotary table 25 and rotates around the ground wire, when the current is used, neon can emit light, the phenomenon that the ground wire is short-circuited and broken can be detected, the ground wire is processed in time, safety accidents possibly caused by short circuit of the ground wire are avoided, and safety performance is improved;
wherein, be equipped with the second screw hole on the movable plate 15, second screw hole inside wall and lead screw 14 lateral wall threaded connection, through second screw hole and lead screw 14 lateral wall threaded connection, rotate second handle 16 and drive lead screw 14 and rotate, rotate through lead screw 14 and realized that movable plate 15 removes in spout 13, remove through movable plate 15 and can adjust carousel 25 position, and then guarantee that the test tube 26 on the carousel 25 can detect the earth wire.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (8)
1. A multifunctional joint of a temporary grounding wire for overhaul test work of a transformer substation comprises a base (1) and is characterized in that a first vertical plate (2) is fixedly connected to the top of the base (1), a horizontal plate (3) horizontally arranged is fixedly connected to the outer side wall of the first vertical plate (2), a second vertical plate (4) is connected to the horizontal plate (3), the bottom of the second vertical plate (4) is in sliding connection with the top of the base (1), clamping mechanisms are arranged on the first vertical plate (2) and the second vertical plate (4), a pushing mechanism is arranged on the horizontal plate (3) and connected with the second vertical plate (4), a movable plate (15) is connected to the base (1) through a moving mechanism, a cavity (17) is arranged in the movable plate (15), a rotating shaft (18) is fixedly connected to the inner side wall of the cavity (17), the rotating shaft (18) is connected with a rotary table (25) through a meshing, the outer side wall of the rotary table (25) is eccentrically provided with a detection tube (26), the moving plate (15) is provided with a sliding opening (22) communicated with the cavity (17), and a reset mechanism is arranged in the sliding opening (22).
2. The multifunctional joint for the temporary grounding wire for the overhaul test work of the transformer substation of claim 1, wherein a connector is formed in the second vertical plate (4), the inner side wall of the connector is slidably connected with the outer side wall of the horizontal plate (3), and the first vertical plate (2) and the second vertical plate (4) are connected through a telescopic rod (5) on the opposite sides.
3. The multifunctional joint for the temporary grounding wire for the overhaul test work of the transformer substation of claim 1, wherein the clamping mechanism comprises a first fixed half ring (9) fixedly connected to the outer side wall of a first vertical plate (2), the outer side wall of a second vertical plate (4) is fixedly connected with a second fixed half ring (10), the outer side walls of the two ends of the first fixed half ring (9) are fixedly connected with two limiting rods (11) symmetrically arranged, and the outer side walls of the two ends of the second fixed half ring (10) are provided with limiting ports (12) matched with the limiting rods (11).
4. The multifunctional joint for the temporary grounding wire for the overhaul test work of the transformer substation of claim 1, wherein the pushing mechanism comprises a mounting plate (6) which is fixedly connected to the top of the horizontal plate (3) and vertically arranged, a first threaded hole is formed in the mounting plate (6), a fastening bolt (7) is in threaded connection with the inner side wall of the first threaded hole, a first handle (8) is fixedly connected to the end of the fastening bolt (7), and one end, far away from the first handle (8), of the fastening bolt (7) is rotatably connected with the outer side wall of the second vertical plate (4).
5. The multifunctional joint for the temporary grounding wire for the overhaul test work of the transformer substation as claimed in claim 1, wherein the moving mechanism comprises a sliding groove (13) formed in the base (1), a lead screw (14) is rotatably connected to the inner side wall of the sliding groove (13), the lead screw (14) penetrates through the sliding groove (13) and is fixedly connected with a second handle (16), the lead screw (14) is connected with a moving plate (15), and the bottom of the moving plate (15) is slidably connected with the inner bottom of the sliding groove (13).
6. The multifunctional joint for the temporary grounding wire for the overhaul test work of the transformer substation as claimed in claim 5, wherein the moving plate (15) is provided with a second threaded hole, and the inner side wall of the second threaded hole is in threaded connection with the outer side wall of the lead screw (14).
7. The multifunctional joint for the temporary grounding wire for the overhaul test work of the transformer substation of claim 1, wherein the reset mechanism comprises a sliding rod (23) fixedly connected to the inner top and the inner side wall of the sliding opening (22).
8. The multifunctional joint for the temporary grounding wire for the overhaul test work of the transformer substation as claimed in claim 7, wherein the engagement mechanism comprises a sliding plate (20) slidably connected to the outer side wall of a sliding rod (23), the sliding plate (20) is arranged in an L shape, the vertical part of the sliding plate (20) is located in the cavity (17), a gear (19) is fixedly connected to the outer side wall of the rotating shaft (18), a rack (21) engaged with the gear (19) is fixedly connected to the outer side wall of the vertical part of the sliding plate (20), the rotating shaft (18) penetrates through the moving plate (15) and is fixedly connected with a turntable (25), a return spring (24) is sleeved on the outer side wall of the sliding rod (23), and two ends of the return spring (24) are fixedly connected with the bottom of the horizontal part of the sliding plate (20) and the bottom of the sliding opening (22) respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010799107.2A CN111952739B (en) | 2020-08-11 | 2020-08-11 | Multifunctional joint for temporary grounding wire for overhaul test work of transformer substation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010799107.2A CN111952739B (en) | 2020-08-11 | 2020-08-11 | Multifunctional joint for temporary grounding wire for overhaul test work of transformer substation |
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| Publication Number | Publication Date |
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| CN111952739A CN111952739A (en) | 2020-11-17 |
| CN111952739B true CN111952739B (en) | 2021-07-27 |
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| CN202010799107.2A Active CN111952739B (en) | 2020-08-11 | 2020-08-11 | Multifunctional joint for temporary grounding wire for overhaul test work of transformer substation |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113241650B (en) * | 2021-05-31 | 2022-11-01 | 南洋电气集团有限公司 | Metal plate forming and assembling method for power switch cabinet |
| CN113972510B (en) * | 2021-10-26 | 2023-10-13 | 中国电建集团福建工程有限公司 | Multifunctional connector for temporary grounding wire of transformer substation overhaul test work |
| CN115308460B (en) * | 2022-07-11 | 2023-10-24 | 国网山东省电力公司营销服务中心(计量中心) | Intelligent household ammeter and working method thereof |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2126749Y (en) * | 1991-12-06 | 1993-02-03 | 杨树 | Safety earthing device |
| EP0955397B1 (en) * | 1998-05-04 | 2004-04-21 | Saurer GmbH & Co. KG | Open-end spinning apparatus |
| JP5979676B2 (en) * | 2013-01-30 | 2016-08-24 | 住電機器システム株式会社 | Earthing hardware and equipment |
| CN204130729U (en) * | 2014-07-31 | 2015-01-28 | 国网河南省电力公司周口供电公司 | Multifunctional grounded wire clamp |
| CN209232981U (en) * | 2018-08-30 | 2019-08-09 | 郭军 | A kind of electrification in high voltage intelligence power connection equipment |
| CN208951580U (en) * | 2018-11-01 | 2019-06-07 | 黑龙江工商学院 | A kind of computer display screen adjusting bracket |
| CN210665933U (en) * | 2019-08-20 | 2020-06-02 | 深圳市鼎尔泰科技有限公司 | High-voltage testing machine |
| CN210607648U (en) * | 2019-12-05 | 2020-05-22 | 国网浙江缙云县供电有限公司 | 35kV transformer substation uses earth connection connecting device |
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2020
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| CN111952739A (en) | 2020-11-17 |
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