CN114094357A - General earthing device for 500kV and above power transmission lines - Google Patents
General earthing device for 500kV and above power transmission lines Download PDFInfo
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- CN114094357A CN114094357A CN202111142869.6A CN202111142869A CN114094357A CN 114094357 A CN114094357 A CN 114094357A CN 202111142869 A CN202111142869 A CN 202111142869A CN 114094357 A CN114094357 A CN 114094357A
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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
- H01R4/66—Connections with the terrestrial mass, e.g. earth plate, earth pin
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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
- H01R4/48—Clamped connections, spring connections utilising a spring, clip, or other resilient member
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
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Abstract
The invention discloses a general grounding device for 500kV and above power transmission lines, which is used for being hung on a lead of a tower and comprises a lead plate and a lead clamp assembly, wherein the lead plate is flat, the lead clamp assembly comprises a main wire clamp and an auxiliary wire clamp, the main wire clamp comprises two chucks, a wire clamp main body, a trigger assembly and a connecting piece, a positioning rod is arranged on the wire clamp main body, the trigger assembly comprises a sliding buckle and a rotating buckle, and the grounding device can improve the hanging success rate.
Description
[ technical field ] A method for producing a semiconductor device
The invention relates to a universal grounding device for 500kV and above power transmission lines, and belongs to the technical field of grounding devices.
[ background of the invention ]
The grounding wire must be hung before the power transmission line is overhauled, so that accidental switching-on and power transmission are prevented, and the power failure overhauling state of the power transmission line is ensured. Under general conditions, a power transmission line needs to be overhauled in a power failure mode of the whole line, a grounding wire is usually hung on a jumper wire of a first base tower from a power substation, and an insulating rope is used for operation during hanging and dismantling.
When hanging and establishing big corner inner angle side shaft tower earth connection, because inner angle side jumper wire is far away from the body of the tower distance, can reach 3-5m usually, adopt pendulum clock formula to swing into the method at present and hang and establish, concrete operation flow: after a grounding end chuck is fixed, the insulating rope is held by hands to vertically put down the grounding wire, the insulating rope swings back and forth by the self weight of the grounding wire to generate pendulum clock type swings of different amplitudes of the wire clamp, the wire clamp is close to the wire by swinging back and forth, the insulating rope is lifted up according to the swing of the wire clamp to the proper height of the jumper conductor, the wire clamp head is enabled to upwards impact the wire, and the wire clamp mechanism is forced to pop out after being impacted, and the wire is clamped by spring force.
The method is completely dependent on the hand feeling and the eyesight of operators, the operation time is long, the situation that the hanging is not successfully carried out for more than one hour sometimes occurs, and the working efficiency is seriously influenced.
[ summary of the invention ]
The technical problem to be solved by the invention is to provide a grounding device which is universal for 500kV and above power transmission lines and can improve the hanging success rate.
The technical scheme adopted by the invention is as follows:
a grounding device universal for 500kV and above transmission lines is used for being hung on a lead of a tower and comprises a lead plate and a lead clamp assembly, wherein the lead plate is flat;
the wire clamp assembly comprises a main wire clamp and an auxiliary wire clamp, the main wire clamp and the auxiliary wire clamp are respectively arranged at two ends of the wire guide plate, the main wire clamp comprises two chucks, a wire clamp main body, a trigger assembly and a connecting piece, the end parts of the two chucks are mutually rotatably connected with the end part of the wire clamp main body, and the two chucks and the wire clamp main body form a wire clamping hole for the wire to pass through;
the wire clamp comprises a wire clamp body, a clamp head and a lead plate, wherein the wire clamp body is provided with a positioning rod, one end of the positioning rod is rotatably connected with the wire clamp body, the other end of the positioning rod is provided with a limiting notch, the clamp head is provided with a convex column matched with the limiting notch, the limiting notch is matched with the convex column to limit the clamp head to be closed, the positioning rod is positioned in a wire clamping hole, after the lead touches the positioning rod, the limiting notch is separated from the convex column, and the two clamp heads are positioned on two sides of the lead plate;
the connecting piece is provided with two springs which are respectively connected with the two chucks, one end of the connecting piece is connected with the trigger assembly, and the trigger assembly controls the tightness of the two springs simultaneously through the connecting piece;
the trigger assembly comprises a sliding buckle and a rotating buckle, one end of the sliding buckle is connected with the planar four-bar mechanism, a first buckle head is arranged at the other end of the sliding buckle, one end of the rotating buckle is rotatably connected with the wire clamp main body, a second buckle head is arranged at the other end of the rotating buckle, the sliding buckle and the rotating buckle are connected through the first buckle head and the second buckle head, a loosening ring is arranged on the rotating buckle, a loosening rope is connected to the loosening ring, and the rotating buckle rotates by pulling the loosening ring;
the auxiliary wire clamp comprises two clamping hooks for hanging wires, the two clamping hooks are respectively arranged on two sides of the wire guide plate, the opening directions of the two clamping hooks are the same as those of the two chucks, one end of the wire guide plate, which is far away from the opening direction of the chucks, is provided with a pull-out ring, the pull-out ring is connected with a pull-out rope, the guide plate faces towards one end of the opening direction of the chucks, a hanging ring is hung on the hook, a unhooking rope is arranged on the hanging ring, and a second grounding wire is arranged on the wire guide plate.
The beneficial effects of the invention are as follows:
the invention comprises a wire guide plate and a wire guide clamp assembly, wherein the wire guide plate is flat, the wire guide clamp assembly comprises a main wire clamp and an auxiliary wire clamp, the main wire clamp and the auxiliary wire clamp are respectively arranged at two ends of the wire guide plate, the main wire clamp comprises two chucks which are arranged at two sides of the wire guide plate, the auxiliary wire clamp comprises two clamp hooks which are respectively arranged at two sides of the wire guide plate, when a worker hangs the wire guide plate, the gravity center distribution of the invention is effectively balanced due to the flat shape of the wire guide plate, the length direction of the wire guide plate is parallel to the trend of the wire, and the chucks and the clamp hooks are arranged at two sides of a guide plate, so the invention can be hung on the wire guide through the chucks and the hooks in the lifting process, the invention can be successfully hung after being hung outside a jumper wire, the problem of hanging loss caused by the fact that the direction of the chucks is parallel to the jumper wire after the original wire clamp is hung outside the jumper wire guide plate is solved, therefore, the hanging operability and the hanging success rate of the anti-drop cable are greatly improved, and in addition, the main cable clamp and the auxiliary cable clamp are adopted to simultaneously hang the lead, so that the hanging stability of the anti-drop cable and the lead can be improved, and the anti-drop capability of the anti-drop cable is improved.
Secondly, a positioning rod is arranged on the wire clamp body, one end of the positioning rod is rotatably connected with the wire clamp body, a limiting notch is formed in the other end of the positioning rod, a convex column matched with the limiting notch is arranged on the chuck, the limiting notch is matched with the convex column to limit the chuck to be closed.
In addition, the connecting piece is respectively connected with the two chucks through the two springs, the trigger component comprises a sliding button and a rotating button, the sliding buckle and the rotating buckle are connected through the first buckle head and the second buckle head, the other end of the sliding buckle is connected with the connecting piece, the rotating buckle is provided with a release ring, the release ring is connected with a release rope, the two springs are in a tightened state when a worker breaks the chuck before hanging the clamp, when the invention is disassembled, the worker pulls the loosening rope to rotate the rotating buckle to separate the rotating buckle from the sliding buckle, the connecting piece loses the limitation of the sliding buckle, so that the spring is released, the chuck loosens the lead, the invention can be separated from the lead, the hanging and the dismounting of the invention are simple and quick, and the hanging and the dismounting efficiency of workers are improved.
In addition, one end of the wire guide plate, which is far away from the opening direction of the chuck, is provided with a pull-out ring, the pull-out ring is connected with a pull-out rope, when the wire guide plate is disassembled, a worker pulls the pull-out rope, the pull-out ring faces upwards, and the buckling directions of the main wire clamp and the auxiliary wire clamp face downwards, so that the protruding structure and the power connection wire cannot be clamped in the lifting process of the wire guide plate, the recovery of the wire guide plate is not influenced, the disassembling and recovering process of the wire guide plate is simple and rapid, and the disassembling efficiency of the wire guide plate is improved.
Preferably, the connecting piece is a planar four-bar mechanism, the planar four-bar mechanism comprises four hinge points, the two springs are respectively connected with the two hinge points of the planar four-bar mechanism, the connecting piece is positioned between the two chucks, and the trigger assembly drives the two hinge points to mutually approach or separate.
Preferably, the planar four-bar linkage is in a parallelogram shape, the two springs are respectively installed on two opposite hinge points in the planar four-bar linkage, one of the other two hinge points of the planar four-bar linkage is fixed on the wire clamp main body, the other hinge point is connected with the trigger assembly, and the trigger assembly controls the two springs to be tightened or released simultaneously through the planar four-bar linkage.
Preferably, the sliding buckle further comprises a sliding rod, two ends of the sliding rod are respectively connected with the connecting piece and the first buckle head, the wire clamp body is provided with a sliding groove, the sliding rod is installed in the sliding groove, and the sliding groove is used for the sliding rod to slide.
Preferably, the opening of the chuck is provided with a first guide surface for guiding the conducting wire into the wire clamping hole.
Preferably, the opening of the clamping hook is provided with a second guide surface for guiding the lead into the clamping hook.
Preferably, the chuck is provided with a through hole for a positioning rod to pass through, and the convex column is arranged in the through hole of the chuck.
Preferably, the release ring is on the outer surface of the clip body.
Preferably, the pull-out rope and the unhooking rope are the same rope, and the hanging ring is sleeved on the pull-out rope.
Preferably, the grounding wire is installed on one side of the wire guide plate close to the hook, and the grounding wire is a grounding soft copper wire.
Other features and advantages of the present invention will be disclosed in more detail in the following detailed description of the invention and the accompanying drawings.
[ description of the drawings ]
The invention is further described below with reference to the accompanying drawings:
FIG. 1 is a schematic structural diagram of an embodiment of the present invention;
FIG. 2 is a schematic structural view of a main clamp in an embodiment of the present invention;
fig. 3 is a side view of a main clamp in an embodiment of the invention.
Reference numerals: 1 wire guide plate, 11 hooks, 12 grounding wires, 2 wire clamp bodies, 21 chucks, 211 first guide surfaces, 212 wire clamp holes, 213 convex columns, 22 positioning rods, 221 limit notches, 23 springs, 24 plane four-bar mechanisms, 241 hinged points, 25 sliding buckles, 251 first buckle heads, 252 sliding rods, 26 rotating buckles, 261 second buckle heads, 262 loosening rings, 263 loosening ropes, 27 sliding grooves, 31 clamping hooks, 311 second guide surfaces, 4 pulling rings, 41 pulling ropes, 5 hanging rings and 6 wires.
[ detailed description ] embodiments
The technical solutions of the embodiments of the present invention are explained and illustrated below with reference to the drawings of the embodiments of the present invention, but the following embodiments are only preferred embodiments of the present invention, and not all embodiments. Based on the embodiments in the implementation, other embodiments obtained by those skilled in the art without any creative effort belong to the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of 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, are not to be considered as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless explicitly defined otherwise.
In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
As shown in fig. 1 to fig. 3, this embodiment shows a grounding device for a 500kV or higher power transmission line, where the grounding device is used to be hung on a wire of a tower, and includes a wire guide plate 1 and a wire clamp assembly, where the wire guide plate 1 is flat.
The wire clamp assembly comprises a main wire clamp and an auxiliary wire clamp, the main wire clamp and the auxiliary wire clamp are respectively arranged at two ends of the wire guide plate 1, the main wire clamp comprises two chucks 21, a wire clamp main body 2, a trigger assembly and a connecting piece, the end parts of the two chucks 21 are mutually rotatably connected with the end part of the wire clamp main body 2, the two chucks 21 and the wire clamp main body 2 form a wire clamping hole 212 for the wire 6 to pass through, the two chucks 21 are arranged at two sides of the wire guide plate 1, when a worker hangs the wire guide plate, because the wire guide plate 1 is flat, the gravity center distribution of the embodiment is effectively balanced, the length direction of the wire guide plate 1 is kept parallel to the trend of the wire 6, and the chucks 21 and the clamping hooks 31 are arranged at two sides of the guide plate, therefore, the embodiment can be hung on the wire 6 through the chucks 21 and the hooks 11 in the rising process, the problem that the existing wire clamp is lost due to the fact that the direction of a chuck 21 is parallel to the jumper wire after the existing wire clamp is thrown to the outer side of the jumper wire is solved, the hanging operability and hanging success rate of the embodiment are greatly improved, in addition, the main wire clamp and an auxiliary wire clamp are adopted to simultaneously hang the wire 6, the hanging stability of the embodiment and the wire 6 can be improved, the falling prevention capacity of the embodiment is improved, the wire 6 conveniently enters a wire clamping hole 212 and a clamping hook 31 of the chuck 21, a first guide surface 211 used for guiding the wire 6 to enter the wire clamping hole 212 is arranged at an opening of the chuck 21, and a second guide surface 311 used for guiding the wire 6 to enter the clamping hook 31 is arranged at an opening of the clamping hook 31.
The wire clamp main body 2 is provided with a positioning rod 22, one end of the positioning rod 22 is rotatably connected with the wire clamp main body 2, the other end of the positioning rod 22 is provided with a limiting notch 221, the chuck 21 is provided with a convex column 213 matched with the limiting notch 221, the limiting notch 221 is matched with the convex column 213 to limit the chuck 21 to be closed, the chuck 21 is provided with a through hole for the positioning rod 22 to pass through, the convex column 213 is arranged in the through hole of the chuck 21, the positioning rod 22 is positioned in the wire clamping hole 212, after the wire 6 touches the positioning rod 22, the limiting notch 221 is separated from the convex column 213, in the embodiment, before hanging, a worker opens the chuck 21 to enable the convex column 213 to be propped against the limiting notch 221 of the positioning rod 22, so that the chuck 21 cannot be closed, and the wire 6 collides with the positioning rod 22 when entering the wire clamping hole 212, the positioning rod 22 is separated from the convex column 213, and the chuck 21 is closed under the action of the spring 23, so as to clamp the lead 6, thereby realizing the hanging connection between the lead 6 and the embodiment.
The trigger assembly comprises a sliding buckle 25 and a rotating buckle 26, wherein one end of the sliding buckle 25 is connected with the planar four-bar mechanism 24, the other end of the sliding buckle 25 is provided with a first buckle head 251, one end of the rotating buckle 26 is rotatably connected with the wire clamp body 2, the other end of the rotating buckle 26 is provided with a second buckle head 261, the sliding buckle 25 and the rotating buckle 26 are connected through the first buckle head 251 and the second buckle head 261, the rotating buckle 26 is provided with a loosening ring 262, the loosening buckle is arranged on the outer surface of the wire clamp body 2, the loosening ring 262 is connected with a loosening rope 263, in the embodiment, the loosening rope 263 is an insulating rope, the rotating buckle 26 realizes rotation by pulling the loosening ring 262, the sliding buckle 25 further comprises a sliding rod 252, two ends of the sliding rod 252 are respectively connected with the connecting piece and the first buckle head 251, and a sliding groove 27 is formed in the wire clamp body 2, the sliding rod 252 is installed in the sliding groove 27, and the sliding groove 27 is used for the sliding rod 252 to slide.
The connecting element is provided with two springs 23, the two springs 23 are respectively connected with the two chucks 21, the connecting element in this embodiment is a planar four-bar linkage 24, the planar four-bar linkage 24 is in a parallelogram shape, the planar four-bar linkage 24 includes four hinge points 241, the two springs 23 are respectively installed on two opposite hinge points 241 in the planar four-bar linkage 24, one of the other two hinge points 241 of the planar four-bar linkage 24 is fixed on the wire clamp body 2, the other hinge point 241 is connected with the trigger assembly, when the sliding buckle 25 and the rotating buckle 26 are mutually clamped, the planar four-bar linkage 24 is fixed, when the two chucks 21 are broken, the two springs 23 are stretched outwards, when the sliding buckle 25 and the rotating buckle 26 are separated, the planar four-bar mechanism 24 drives the sliding buckle 25 to move along the sliding groove 27 under the action of the spring 23, at this time, the two springs 23 are released, and the two clamping heads 21 are released.
When this embodiment, the staff loosens rope 263 through the pulling and makes rotation knot 26 rotate, makes rotation knot 26 break away from with slip knot 25, makes slip knot 25 is in the active state, the connecting piece has lost slip knot 25's restriction, makes spring 23 obtains the release, chuck 21 loosens wire 6, makes this embodiment can break away from wire 6, and the hooking and the dismantlement of this embodiment are simple swift, have improved the staff and have articulated and the efficiency of dismantling.
The auxiliary wire clamp comprises two clamping hooks 31 used for hanging a wire 6, the two clamping hooks 31 are respectively arranged at two sides of the wire guide plate 1, the opening direction of the two clamping hooks 31 is the same as that of the two chucks 21, one end of the wire guide plate 1, which is far away from the opening direction of the chucks 21, is provided with a pull-out ring 4, the pull-out ring 4 is connected with a pull-out rope 41, one end of the guide plate, which faces the opening direction of the chucks 21, is provided with a hook 11, the hook 11 is hung with a hanging ring 5, the hanging ring 5 is provided with a unhooking rope, in the embodiment, the pull-out rope 41 and the unhooking rope are the same rope, the pull-out rope 41 is an insulating rope, the hanging ring 5 is sleeved on the pull-out rope 41, the wire guide plate 1 is provided with a grounding wire 12, the grounding wire 12 is arranged at one side of the wire guide plate 1, which is close to the hook 11, and the grounding wire 12 is a grounding soft copper wire, during the dismantlement, the staff pulling is pulled out rope 41, and pull out ring 4 is up, the buckle direction of main fastener and vice fastener is down, so this embodiment can not let the protruding structure of this embodiment and the recovery that connects the electric wire to block and influence this embodiment at the in-process that rises, and the dismantlement recovery process of this embodiment is simple swift, improves the dismantlement efficiency of this embodiment.
The application process of this embodiment is as follows: when the embodiment is hung, firstly, a grounding end is hung, then the rotating buckle 26 is clamped with the sliding buckle 25, at this time, the planar four-bar mechanism 24 is stressed and drives the spring 23 to be stressed and elongated, the chuck 21 of the main wire clamp is stressed and tightened under the action of the spring 23, at this time, the chuck 21 is in a closed state, then, the opening of the chuck 21 faces downward, a worker opens the two chucks 21 with hands, so that the limiting notch 221 of the positioning rod 22 is abutted against the convex column 213 in the chuck 21, the chuck 21 cannot be closed, and is in an open state, then, the worker hangs the hanging ring 5 on the pull-out rope 41 on the hook 11 of the guide plate, and then throws the embodiment on the outer side of the jumper wire through the insulating rope, because the wire guide plate 1 is flat, the gravity center distribution of the embodiment is effectively balanced, so that the length direction of the wire guide plate 1 is kept parallel to the trend of the wire 6, and the two sides of the guide plate are both provided with the clamp 21 and the hook 11, so that one side of the clamp 21 on the two sides of the embodiment is always below the jumper, at this time, the openings of the clamp 21 and the hook 31 face the wire 6, the worker pulls the pull-out rope 41 to lift the embodiment, so that the wire 6 enters the wire clamping hole 212 of the clamp 21, the wire 6 collides with the positioning rod 22 in the wire clamping hole 212, so that the positioning rod 22 and the convex column 213 are separated from each other, and the clamp 21 is closed under the action of the spring 23, so that the wire 6 is clamped, and the hanging of the embodiment is completed.
When the cable is disassembled, the pulling-out cable 41 is loosened to separate the hanging ring 5 from the hook 11, at this time, the worker pulls the loosening cable 263, the rotating buckle 26 is rotated, the first buckle 251 and the second buckle 261 are separated from each other, the planar four-bar mechanism 24 drives the sliding buckle 25 to move along the sliding groove 27 under the action of the spring 23, at this time, the two springs 23 are released, the collet 21 loses the action of the spring 23 and is loosened to separate the present embodiment from the conducting wire 6, at this time, the worker pulls the pulling-out cable 41, because the pulling-out cable 41 is connected with the pulling-out ring 4 on the conducting wire plate 1, the present embodiment is turned over as a whole, after the turning over, the opening direction of the collet 21 in the present embodiment faces downward, the present embodiment does not cause the protruding structure of the present embodiment to be stuck with the connecting wire during the rising process, thereby affecting the recovery of the present embodiment, the disassembling and recovering process of the present embodiment is simple and fast, the disassembly efficiency of this embodiment is improved.
The embodiment is suitable for hanging the grounding wire of any tower type of the transmission line with the voltage level of 500kV or above, and has the characteristics of high hanging success rate, high working efficiency, simplicity and convenience in operation and the like. The embodiment is mainly used for hanging the grounding wires of the power transmission lines with the voltage levels of 500kV and above, and is also suitable for hanging the grounding wires of the power transmission lines with other voltage levels.
While the invention has been described with reference to specific embodiments thereof, it will be understood by those skilled in the art that the invention is not limited thereto, and may be embodied in many different forms without departing from the spirit and scope of the invention as set forth in the following claims. Any modification which does not depart from the functional and structural principles of the present invention is intended to be included within the scope of the claims.
Claims (10)
1. The utility model provides a general earthing device of 500kV and above transmission line, earthing device is used for hanging on the wire of shaft tower, its characterized in that: the wire guide plate comprises a wire guide plate (1) and a wire clamp assembly, wherein the wire guide plate (1) is flat;
the wire clamp assembly comprises a main wire clamp and an auxiliary wire clamp, the main wire clamp and the auxiliary wire clamp are respectively arranged at two ends of the wire guide plate (1), the main wire clamp comprises two chucks (21), a wire clamp main body (2), a trigger assembly and a connecting piece, the end parts of the two chucks (21) are mutually rotatably connected with the end part of the wire clamp main body (2), the two chucks (21) and the wire clamp main body (2) form a wire clamping hole (212) for the wire (6) to pass through, and the two chucks (21) are arranged at two sides of the wire guide plate (1);
the wire clamp comprises a wire clamp body (2), wherein a positioning rod (22) is arranged on the wire clamp body (2), one end of the positioning rod (22) is rotatably connected with the wire clamp body (2), a limiting notch (221) is formed in the other end of the positioning rod (22), a convex column (213) matched with the limiting notch (221) is arranged on a chuck (21), the limiting notch (221) is matched with the convex column (213) to limit the chuck (21) to be closed, the positioning rod (22) is located in a wire clamping hole (212), and after a wire (6) touches the positioning rod (22), the limiting notch (221) is separated from the convex column (213);
two springs (23) are arranged on the connecting piece, the two springs (23) are respectively connected with the two chucks (21), one end of the connecting piece is connected with the trigger assembly, and the trigger assembly controls the tightness of the two springs (23) through the connecting piece;
the trigger assembly comprises a sliding buckle (25) and a rotating buckle (26), one end of the sliding buckle (25) is connected with the connecting piece, a first buckle head (251) is arranged at the other end of the sliding buckle (25), one end of the rotating buckle (26) is rotatably connected with the wire clamp main body (2), a second buckle head (261) is arranged at the other end of the rotating buckle (26), the sliding buckle (25) and the rotating buckle (26) are connected through the first buckle head (251) and the second buckle head (261), a release ring (262) is arranged on the rotating buckle (26), a release rope is connected onto the release ring (262), and the rotating buckle (26) realizes the separation of the rotating buckle (26) and the sliding buckle (25) by pulling the release ring (262);
the auxiliary wire clamp comprises two clamping hooks (31) used for hanging a wire (6), the two clamping hooks (31) are respectively located on two sides of the wire guide plate (1), the opening directions of the two clamping hooks (31) are the same as those of the two chucks (21), the wire guide plate (1) is far away from the one end of the opening direction of the chucks (21) is provided with a pull-out ring (4), the pull-out ring (4) is connected with a pull-out rope (41), the guide plate faces towards one end of the opening direction of the chucks (21) is provided with a hook (11), the hook (11) is hung with a hanging ring (5), the hanging ring (5) is provided with a pull-out rope, and the wire guide plate (1) is provided with a grounding wire (12).
2. The grounding device for 500kV and above transmission lines, according to claim 1, is characterized in that: the connecting piece is a planar four-bar mechanism (24), the planar four-bar mechanism (24) comprises four hinge points (241), the two springs (23) are respectively connected with the two hinge points (241) of the planar four-bar mechanism (24), the connecting piece is positioned between the two chucks (21), and the trigger assembly drives the two hinge points (241) to mutually approach or separate.
3. The grounding device for 500kV and above transmission lines, according to claim 2, is characterized in that: the plane four-bar mechanism (24) is in a parallelogram shape, the two springs (23) are respectively installed on two opposite hinge points (241) in the plane four-bar mechanism (24), one of the other two hinge points (241) of the plane four-bar mechanism (24) is fixed on the wire clamp main body (2), the other hinge point (241) is connected with the trigger assembly, and the trigger assembly controls the two springs (23) to be simultaneously tightened or released through the plane four-bar mechanism (24).
4. The grounding device for 500kV and above transmission lines, according to claim 1, is characterized in that: the sliding buckle (25) further comprises a sliding rod (252), two ends of the sliding rod (252) are respectively connected with the connecting piece and the first buckle head (251), a sliding groove (27) is formed in the wire clamp body (2), the sliding rod (252) is installed in the sliding groove (27), and the sliding rod (252) slides through the sliding groove (27).
5. The grounding device for 500kV and above transmission lines, according to claim 1, is characterized in that: the opening of the clamping head (21) is provided with a first guide surface (211) for guiding the lead (6) to enter the clamping line hole (212).
6. The grounding device for 500kV and above transmission lines, according to claim 1, is characterized in that: and a second guide surface (311) for guiding the lead (6) to enter the clamping hook (31) is arranged at the opening of the clamping hook (31).
7. The grounding device for 500kV and above transmission lines, according to claim 1, is characterized in that: the clamp head (21) is provided with a through hole for a positioning rod (22) to pass through, and the convex column (213) is arranged in the through hole of the clamp head (21).
8. The grounding device for 500kV and above transmission lines, according to claim 1, is characterized in that: the release ring (262) is arranged on the outer surface of the wire clamp main body (2).
9. The grounding device for 500kV and above transmission lines, according to claim 1, is characterized in that: the pull-out rope (41) and the unhooking rope are the same rope, and the hanging ring (5) is sleeved on the pull-out rope (41).
10. The grounding device for 500kV and above transmission lines, according to claim 1, is characterized in that: the grounding wire (12) is arranged on one side, close to the hook (11), of the wire guide plate (1), and the grounding wire (12) is a grounding soft copper wire.
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| CN202111142869.6A CN114094357B (en) | 2021-09-28 | 2021-09-28 | Universal grounding device for 500kV and above transmission lines |
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| CN202111142869.6A CN114094357B (en) | 2021-09-28 | 2021-09-28 | Universal grounding device for 500kV and above transmission lines |
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| CN114094357B (en) | 2023-08-18 |
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