CN214378926U - Quick hanging and detaching type grounding wire suitable for busbar - Google Patents

Abstract

The utility model discloses a belong to electric power safety multiplexer utensil technical field, specifically be a swift formula earth connection of tearing open suitable for female arranging, including insulating bar, the insulating bar downside bonds and has the handle, insulating bar upper end fixedly connected with magnet seat, magnet seat inner chamber lower extreme is fixed with magnet, the magnet upside adsorbs there is the iron plate, and insulating bar can dismantle with wire end fastener: through the principle of the actuation in the twinkling of an eye and the separation that set up a set of iron plate and neodymium iron boron magnetism iron, set up a set of iron plate and neodymium iron boron magnetism iron-based iron plate actuation, separation on wire end fastener tail end and insulating bar to this realizes being connected rapidly and the separation of insulating bar and wire end fastener, satisfies the purpose that an insulating bar is suitable for a plurality of wire end fasteners of dismouting, the utility model discloses improve maintenance operating efficiency at to a great extent, eliminated the operation potential safety hazard, reduced the operation risk, had very high popularization meaning and practical value.

Description

Quick hanging and detaching type grounding wire suitable for busbar

Technical Field

The utility model relates to an electric power safety multiplexer utensil technical field specifically is a swift formula earth connection of tearing open of hanging suitable for female arranging.

Background

In an electric power system, a ground wire is an important tool for introducing current to the ground to ensure the safety of workers when voltage unexpectedly appears on a power-off device and a power line. The installation of a grounding wire is an important electrical safety measure.

The conductor end clamp of the short-circuit grounding wire used in the current power system generally adopts two structural forms of spiral fastening and double-tongue spring fastening, and can be divided into a wire end clamp, a grounding lead, a grounding end clamp and an insulating operating rod according to the functional structures of all parts of the conductor end clamp. The principle and function defects of the grounding wire at the present stage are mainly wire end clamps, while the grounding end clamps are all universal and basically have no difference. The double-tongue type spring fastening mode adopted by the wire end clamp has unstable connection in the use process, and the wire clamp is easy to fall off, so that casualty accidents are caused; in addition, the installation position of the power equipment is in a high position, so that the installation position of a temporary grounding wire is higher, the operating rod of the grounding wire is usually longer, the wire clamp at the end of a conductor is fixed on a screw rod and rotates in a non-directional manner, and in addition, the copper wire is very heavy to be grounded, so that the operation can be smoothly carried out only by using great effort; operating personnel need stand and wear insulating gloves on insulating ladder, and the rotatory dozens of rings of both hands of lifting waste time and energy, consume a large amount of physical power, still lose balance easily and fall.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a quick hanging and detaching type ground wire suitable for a bus bar, which solves the problems that the connection is unstable in the using process and the wire clamp is easy to drop off in the double-tongue type spring fastening mode adopted by the existing wire end clamp in the background technology, thereby causing the occurrence of casualty accidents; and adopt spiral fastening mode to guarantee the clamp force with the sacrificial speed, need the reciprocating many rings of twisting of operation personnel, because the earth clamp opening is very big, cause a large amount of invalid strokes, and the power equipment mounted position all is in the eminence to lead to installing the position of earthing for work line also than higher, twist tens of rings, waste time and energy, consume a large amount of physical power, lose balance easily, the problem that falls from insulating ladder.

In order to achieve the above object, the utility model provides a following technical scheme: a handle is bonded on the lower side of the insulating operating rod, a magnet seat is fixedly connected to the upper end of the insulating operating rod, a magnet is fixed to the lower end of an inner cavity of the magnet seat, an iron block is adsorbed to the upper side of the magnet, a tooth-shaped positioning shaft fixing seat is fixed to the upper end of the iron block, the lower side of the tooth-shaped positioning shaft fixing seat is located in the inner cavity of the magnet seat, a tooth-shaped positioning shaft is fixed in the tooth-shaped positioning shaft fixing seat, the middle side face of the tooth-shaped positioning shaft is a tooth face, a thread adjusting seat is connected to the upper side of the tooth-shaped positioning shaft in a sliding mode, a main threaded female seat is screwed on the outer wall of the thread adjusting seat, a tooth-shaped locking shaft is installed at the lower end of the thread adjusting seat, a compression spring is installed between the tooth-shaped locking shaft and the thread adjusting seat, the right end of the tooth-shaped locking shaft is a tooth face, and an unlocking swinging block is arranged on one side, far away from the tooth-shaped positioning shaft, of the tooth-shaped locking shaft, the novel wire clamp is characterized in that an unlocking swinging block driving lever is fixedly connected to the left lower side of a main body threaded female seat, the unlocking swinging block is provided with an unlocking swinging block positioning groove matched with the unlocking swinging block driving lever, a hook-shaped wire clamp body is fixedly connected to the upper end of the main body threaded female seat, a first connecting rod is hinged to the middle of the hook-shaped wire clamp body, an intermediate connecting rod is installed at the upper end of a tooth-shaped positioning shaft, the intermediate connecting rod is hinged to a second connecting rod, an upper clamping jaw is arranged on the upper side of the hook-shaped wire clamp body, a lower clamping jaw is hinged to the upper side between the first connecting rod and the second connecting rod, the clamping jaw clamping surface is parallel to the upper clamping jaw clamping surface, a connecting terminal fixing seat is fixedly connected to the side face of the main body threaded female seat, a connecting terminal is connected to the side face of the connecting terminal fixing seat through a screw, and the lower end of the connecting terminal is connected with a grounding lead.

Preferably, the unlocking swing block deflector rod is positioned at the left lower part of the hook-shaped wire clamp main body, and one side of the tooth-shaped positioning shaft facing the upper clamping jaw is a tooth surface.

Preferably, the magnet is a neodymium iron boron magnet.

Preferably, the unlocking swing block and the tooth-shaped locking shaft are integrally formed.

Preferably, the cross-sectional shape of the tooth-shaped positioning shaft is a square or D-shaped structure.

Preferably, the middle connecting rod drives the lower clamping jaw to keep a horizontal state and move up and down through the first connecting rod and the second connecting rod.

Preferably, mounting means between profile of tooth location axle and the middle connecting rod does, offer the connecting hole that is used for connecting profile of tooth location epaxial end spindle nose on the middle connecting rod, just two jacks that are used for installing the fixed pin are seted up to the perpendicular of connecting hole on the middle connecting rod, the slot corresponding with the jack is seted up to profile of tooth location epaxial side, install the fixed pin between jack and the slot, through be connected between fixed pin and the profile of tooth location axle, and make profile of tooth location axle still can the axial rotate.

Preferably, the first connecting rod and the second connecting rod are hinged through mounting pin shafts, a waist-shaped hole is formed in the upper end of the middle connecting rod, and the first connecting rod and the second connecting rod are driven to rotate around the axes of the respective pin shafts through the corresponding pin shafts.

Preferably, the clamping position in the middle of the upper clamping jaw is provided with an arc groove for clamping a wire, so that the upper clamping jaw and the lower clamping jaw can clamp the busbar and the wire simultaneously.

Compared with the prior art, the beneficial effects of the utility model are that:

1) the insulating bar can be dismantled with wire end clamp: by adopting the principle of instant attraction and separation of a group of iron blocks and neodymium iron boron magnets, the attraction and separation of the group of iron blocks and the neodymium iron boron magnets are arranged at the tail end of the wire end clamp and the upper end of the insulating operating rod, so that the insulating operating rod and the wire end clamp are quickly connected and separated, and the purpose that one insulating operating rod is suitable for dismounting a plurality of wire end clamps is met;

2) the unlocking swing block and the tooth-shaped locking shaft are integrally formed, so that the strength and the stability are high;

3) lower clamping jaw can be for fixed last clamping jaw remain the horizontality reciprocating motion throughout, go up the clamping jaw through with mobilizable lower clamping jaw collaborative operation, can form the pincerlike structure of an approximate F shape during the operation to this realizes the fastener to the firm centre gripping of copper bar and wire, reaches the purpose of ground connection, and F shape jaw structure has multiple functions: (1) self-adaptation clamping function: the self-adaptive adjustment of the self-adaptive annular size can be carried out according to the thickness of the clamped copper bar or the wire diameter of the wire, so as to adapt to clamping copper bars with different thicknesses or wires with different wire diameters; (2) the anti-falling function: during operation, after the wire clamp main body is hung above a copper bar or a wire, the lower clamping jaw horizontally moves to gradually approach the upper clamping jaw by slightly pulling the insulating operating rod until the copper bar or the wire is clamped, and then the insulating operating rod rotates clockwise for a certain angle, so that the lower clamping jaw can be locked; (3) the clamping and fastening functions are as follows: when the copper bar or the lead enters the pincerlike clamping opening, the copper bar or the lead can be clamped and fastened by the wire clamp only by clockwise micro-rotation of the insulating operating rod for a certain angle, the clamping force is uniform, the clamping is stable, and the clamping is rapid (the copper bar or the lead can be clamped and fastened stably by rotating less than one circle); (4) unlocking function: after the operation is finished, the wire end clamp needs to be disassembled, at the moment, the wire end clamp can be taken out from the copper bar or the wire only by rotating the insulating operating rod counterclockwise slightly for a certain angle (resetting to an initial state), and the disassembly is rapid;

4) the utility model discloses improve maintenance operating efficiency at to a great extent, eliminated the operation potential safety hazard, reduced the operation risk, had very high popularization meaning and practical value.

Drawings

FIG. 1 is a schematic perspective view of the present invention;

FIG. 2 is a schematic sectional view of the present invention;

FIG. 3 is a schematic view of the structure of the main body of FIG. 2 showing the matching of the threaded female socket, the tooth-shaped positioning shaft and the tooth-shaped locking shaft;

FIG. 4 is a schematic structural view of the present invention with the iron blocks separated from the magnets;

FIG. 5 is a diagram of the wire end clamp of the present invention in a ready state for hanging a wire;

FIG. 6 is a schematic cross-sectional view of the present invention shown in FIG. 5A-A;

fig. 7 is a flow chart of the state of the wire end clamp of the present invention in operation;

FIG. 8 is a schematic cross-sectional view of the present invention shown in FIG. 7B-B;

fig. 9 is an operation state diagram of the wire end clamp of the present invention when the clamp is firmly clamped;

fig. 10 is a schematic cross-sectional view of fig. 9C-C according to the present invention.

In the figure: 1 insulating operating rod, 2 magnets, 3 magnet seats, 4 tooth-shaped locking shafts, 5 unlocking swinging blocks, 6 iron blocks, 7 tooth-shaped positioning shaft fixing seats, 8 unlocking swinging block deflector rods, 9 compression springs, 10 thread adjusting seats, 11 main body thread female seats, 12 first connecting rods, 13 lower clamping jaws, 14 upper clamping jaws, 15 hook-shaped wire clamp main bodies, 16 second connecting rods, 17 middle connecting rods, 18 fixing pins, 19 tooth-shaped positioning shafts, 20 connecting terminal fixing seats, 21 handles, 22 connecting terminals, 23 grounding leads and 24 unlocking swinging block positioning grooves.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "provided", "sleeved/connected", "connected", and the like are to be understood in a broad sense, such as "connected", which may 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 meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example (b):

referring to fig. 1-10, the present invention provides a technical solution: a quick hanging and detaching type grounding wire suitable for a bus bar comprises an insulating operating rod 1, a handle 21 is bonded on the lower side of the insulating operating rod 1, the handle 21 is made of insulating materials, a magnet seat 3 is fixedly connected to the upper end of the insulating operating rod 1, a magnet 2 is fixedly connected to the lower end of an inner cavity of the magnet seat 3, an iron block 6 is adsorbed on the upper side of the magnet 2, a tooth-shaped positioning shaft fixing seat 7 is fixedly connected to the upper end of the iron block 6, the lower side of the tooth-shaped positioning shaft fixing seat 7 is located in the inner cavity of the magnet seat 3, a tooth-shaped positioning shaft 19 is fixed in the tooth-shaped positioning shaft fixing seat 7, the middle side surface of the tooth-shaped positioning shaft 19 is a tooth surface, a thread adjusting seat 10 is slidably connected to the upper side of the tooth-shaped positioning shaft 19, a main thread female seat 11 is screwed on the outer wall of the thread adjusting seat 10, the thread adjusting seat 10 is connected with the main thread female seat 11 in a threaded manner, and the axial reciprocating movement of the thread adjusting seat 10 is converted through the rotation of a thread pair, the lower end of the thread adjusting seat 10 is provided with a tooth-shaped locking shaft 4, a compression spring 9 is arranged between the tooth-shaped locking shaft 4 and the thread adjusting seat 10, the right end of the tooth-shaped locking shaft 4 is a tooth surface, one side of the tooth-shaped locking shaft 4, which is far away from a tooth-shaped positioning shaft 19, is provided with an unlocking swing block 5, the lower left side of the main body thread female seat 11 is fixedly connected with an unlocking swing block deflector rod 8, the unlocking swing block 5 is provided with an unlocking swing block positioning groove 24 matched with the unlocking swing block deflector rod 8, the unlocking swing block deflector rod 8 is arranged at the front end of the cable clamp in front, so as to be beneficial to unlocking the unlocking swing block 5 more smoothly, the upper end of the main body thread female seat 11 is fixedly connected with a hook-shaped cable clamp main body 15, the middle of the hook-shaped cable clamp main body 15 is hinged with a first connecting rod 12, the upper end of the tooth-shaped positioning shaft 19 is provided with an intermediate connecting rod 17, the intermediate connecting rod 17 is hinged with a second connecting rod 16, the upper side of the hook-shaped cable clamp main body 15 is provided with an upper clamping jaw 14, upside between first connecting rod 12 and the second connecting rod 16 articulates there is lower clamping jaw 13, and middle connecting rod 17 length is shorter, makes the corresponding shortening of fastener major structure, and the overall dimension of fastener reduces, has alleviateed the whole weight of fastener, lower clamping jaw 13 clamping face is on a parallel with upper clamping jaw 14 clamping face, and lower clamping jaw 13 can remain the horizontality reciprocating motion throughout for fixed upper clamping jaw 14, and upper clamping jaw 14 is through cooperating with mobilizable lower clamping jaw 13, can form the pincerlike structure of an approximate F shape during the operation to this realizes the firm centre gripping of fastener to copper bar and wire, reaches the mesh of ground connection, and F shape jaw structure has multiple functions: self-adaptation clamping function: the self-adaptive adjustment of the self-adaptive annular size can be carried out according to the thickness of the clamped copper bar or the wire diameter of the wire, so as to adapt to clamping copper bars with different thicknesses or wires with different wire diameters; the anti-falling function: during operation, after the wire clamp main body is hung above a copper bar or a wire, the lower clamping jaw 13 moves horizontally to gradually approach the upper clamping jaw 14 by slightly pulling the insulating operating rod 1 until the copper bar or the wire is clamped, and then the insulating operating rod 1 rotates clockwise by a certain angle, so that the lower clamping jaw 13 can be locked, at the moment, the copper bar or the wire and the wire clamp are frequently shaken (except for manual unlocking), the F-shaped clamp opening of the wire clamp cannot be loosened, and the potential safety hazard that the wire clamp falls off in the grounding operation link is solved; the clamping and fastening functions are as follows: when the copper bar or the lead enters the pincerlike clamping opening, the copper bar or the lead can be clamped and fastened by the wire clamp only by clockwise micro-rotation of the insulating operating rod 1 by a certain angle, the clamping force is uniform, the clamping is stable, and the clamping is rapid (the copper bar or the lead can be clamped and fastened stably by rotating less than one circle); unlocking function: after the operation is finished, the wire end clamp needs to be detached, at the moment, the wire end clamp can be taken out of a copper bar or a wire only by rotating the insulating operating rod 1 anticlockwise by a certain angle (reset to an initial state), the detachment is rapid, the connecting terminal fixing seat 20 is fixedly connected to the side face of the main body threaded female seat 11, the side face of the connecting terminal fixing seat 20 is connected with the connecting terminal 22 through a screw, the lower end of the connecting terminal 22 is connected with the grounding lead 23, the tail end of the grounding lead 23 is connected with a grounding end clamp connecting end, and the grounding end clamp connecting end belongs to a universal part and is not embodied in the figure; the F-shaped clamping jaw can not only be suitable for clamping copper bars with different thicknesses, but also be used for clamping wires with different wire diameters, and the applied clamping force is consistent, so that the clamping force cannot be changed due to the size of the clamping range; the anti-drop function of the wire clamp is realized in the operation process; the hanging and dismounting operation efficiency is high, the operation is simple and convenient, and the hanging and dismounting work of the wire end clamp can be finished within 3 seconds; the weight is light, the volume is small, the structure is compact and light, and the carrying is convenient; thereby to a great extent has improved maintenance operating efficiency, has eliminated the operation potential safety hazard, has reduced the operation risk, has very high popularization meaning and practical value.

Description of the working process of hanging and dismounting the wire end clamp: during the hanging and dismantling operation of the wire end clamp, the hand-held insulating operating rod 1 aligns and hangs the upper clamping jaw 14 of the wire end clamp at the upper end of the insulating operating rod 1 to be hung above a copper bar or a wire, then pulls the insulating operating rod 1 downwards, the lower clamping jaw 13 horizontally moves close to the upper clamping jaw 14 to gradually clamp the copper bar or the wire, then clockwise micro-rotation insulating bar 1 certain angle (rotatory being less than the round) can be firm with copper bar or wire centre gripping (be locking state promptly), accomplished hanging of wire end fastener promptly and established work, after the operation finishes, wire end fastener need be dismantled, at this moment, only need through anticlockwise micro-rotation insulating bar 1 certain angle (reset to initial state, be unlocking state promptly), can take out wire end fastener from copper bar or wire, accomplished the operation of demolising of wire end fastener promptly.

The diagram of the operation preparation state of the wire end clamp when the wire is to be hung is shown in figure 5, when the operation is prepared, the wire clamp is in the state shown in figure 5, the unlocking swing block 5 at the tail part of the tooth-shaped locking shaft 4 is positioned at the position of the unlocking swing block deflector rod 8 (see figure 6), at the moment, the insulation operating rod 1 can be pushed up and down in a reciprocating way, and the lower clamping jaw 13 can horizontally swing in a reciprocating way along the clamping surface of the upper clamping jaw 14, so that whether the teeth on the tooth-shaped positioning shaft 19 are separated from the teeth on the tooth-shaped locking shaft 4 is verified, when the operation is started, the handheld insulation operating rod 1 aligns the clamping jaw on the hook-shaped wire clamp main body 15 to a copper bar to be hung, the copper bar is hung in a clamping copper bar, wherein when the insulation operating rod 1 is slightly rotated anticlockwise, the insulation operating rod 1 drives the thread adjusting seat 10 to synchronously rotate, at the unlocking swing block 5 rotates with the central point of the thread adjusting seat 10 by a certain angle, and during the rotation process, the inclined plane of the unlocking swing block 5 gradually contacts with the unlocking swing block deflector rod 8 on the hook-shaped wire clamp main body 15, the unlocking swing block 5 is pressed by the unlocking swing block driving lever 8 to drive the tooth-shaped locking shaft 4 to extrude the compression spring 9 to move backwards until the unlocking swing block driving lever 8 falls into the unlocking swing block positioning groove 24 on the unlocking swing block 5 and is positioned and locked by the unlocking swing block positioning groove and cannot rotate, at the moment, the tooth-shaped locking shaft 4 stops moving backwards in the axial direction, the front tooth surface is separated from the side tooth surface of the tooth-shaped positioning shaft 19, the axial freedom degree of the tooth-shaped positioning shaft 19 is relieved, the tooth-shaped positioning shaft 19 can drive the first connecting rod 12 and the second connecting rod 16 to freely reciprocate, the unlocking purpose is achieved, the unlocking state can be called as a standby operation state (or an initial state), and the relationship among mechanisms is as follows: the insulating operating rod 1, the tooth-shaped positioning shaft 19, the middle connecting rod 17, the first connecting rod 12, the second connecting rod 16 and the lower clamping jaw 13 belong to a whole body which moves synchronously, the thread adjusting seat 10 and the tooth-shaped positioning shaft 19 are in sliding fit, so that the tooth-shaped positioning shaft 19 can move freely in an inner hole of the thread adjusting seat 10, meanwhile, the thread adjusting seat 10 can be driven to rotate by the rotation of the tooth-shaped positioning shaft 19, but the axial teeth of the tooth-shaped positioning shaft and the teeth on the tooth-shaped locking shaft 4 in the thread adjusting seat 10 are in a separated state, and the positioning and the locking cannot be realized in the axial reciprocating movement process.

The flow chart of the state of the wire end clamp in operation is shown in fig. 7, the clamping jaw on the hook-shaped clamp main body 15 is aligned with a wire to be hung, the wire is hung on the wire, then the insulating operating rod 1 is held to be slightly pulled downwards for a certain stroke, the stroke is determined according to the size of the clamped wire (the stroke can be adaptively adjusted according to the size of the wire), at the moment, the position of the unlocking swing block 5 at the tail part of the tooth-shaped locking shaft 4 is still on the unlocking swing block deflector rod 8, the insulating operating rod 1, the tooth-shaped positioning shaft 19 and the middle connecting rod 17 synchronously move downwards, the upper end of the middle connecting rod 17 drives the clamping jaw swing arm to rotate clockwise until the swing arm contacts the surface of the wire and cannot swing, then the insulating operating rod 1 rotates clockwise for a certain angle (as shown in fig. 8, the angle is defined as that the unlocking swing block 5 is separated from the unlocking swing block 8), the unlocking swing block 5 at the tail part of the tooth-shaped locking shaft 4 is separated from the unlocking swing block deflector rod 8, the tooth-shaped locking shaft 4 is axially moved by the supporting force of the compression spring 9 (is reset to an initial state, namely the state that the spring is not compressed), and gradually contacts with the tooth surface of the tooth-shaped positioning shaft 19 to a close state, at the moment, the tooth-shaped locking shaft 4 axially locks the tooth-shaped positioning shaft 19 to limit the axial degree of freedom of the tooth-shaped positioning shaft, and after the tooth-shaped positioning shaft 19 is axially locked, the rotational degree of freedom of the clamping jaw swing arm is limited, and under the state: the clamp has the characteristics that no matter how to manually and frequently shake the wire and the wire clamp (except for manual unlocking), the wire cannot be separated from the annular structure, but the wire clamp does not have the capability of completely clamping and fastening the wire at the moment, and gaps exist in all movable connection parts, because the clamping force applied to the clamping jaw swing arm by the insulating operating rod 1 alone is not enough to clamp the wire in the process of pulling down the insulating operating rod 1, the clamping purpose needs to be further achieved by a method of eliminating the gaps, wherein the clamping jaw swing arm is the first connecting rod 12 and the second connecting rod 16.

The operating state diagram of the wire end clamp when the wire end clamp is clamped firmly is shown in fig. 9, when the clamping surface of the lower clamping jaw 13 contacts the lower surface of the copper bar and is in a locking state, the insulating operating rod 1 is rotated clockwise by a certain angle, and the insulating operating rod 1 is turned to be incapable of rotating (the rotating angle of the insulating operating rod 1 is determined according to the size of the gap, but the maximum rotating angle is less than 360 degrees, namely the insulating operating rod 1 is rotated less than one turn to achieve the purpose of eliminating the gap, so that the clamping jaw clamps the copper bar firmly), during the clockwise rotation of the insulating operating rod 1, the insulating operating rod 1 drives the tooth-shaped positioning shaft 19 to rotate, the tooth-shaped positioning shaft 19 synchronously drives the thread adjusting seat 10 to rotate, the thread adjusting seat 10 is in thread fit with the main body thread female seat 11 on the hook-shaped clamp main body 15, and the rotation of the thread adjusting seat 10 is converted into linear motion under the mutual acting force of the threads, at the moment, the thread adjusting seat 10 gradually moves downwards and synchronously drives the insulating operating rod 1, the tooth-shaped positioning shaft 19 and the middle connecting rod 17 to synchronously move downwards, the middle connecting rod 17 moves downwards to drive the first connecting rod 12 and the second connecting rod 16 to synchronously rotate for a certain angle and drive the lower clamping jaw 13 to continuously move upwards horizontally, the clamping surface of the upper clamping jaw 14 is close to the clamping surface, finally the lower clamping jaw 13 presses the outer surface of the copper bar, and the state of the wire end clamp when a wire is to be hung in is consistent with the state after the wire is unlocked after the operation is finished.

The unlocking swing block deflector rod 8 is positioned at the lower left of the hook-shaped wire clamp main body 15, and one side of the tooth-shaped positioning shaft 19 facing the upper clamping jaw 14 is a tooth surface.

The magnet 2 is a neodymium iron boron magnet.

The unlocking swing block 5 and the tooth-shaped locking shaft 4 are integrally formed, and the structure is stable.

The section of the tooth-shaped positioning shaft 19 is square, D-shaped or special-shaped.

The middle connecting rod 17 drives the lower clamping jaw 13 to move up and down in a horizontal state through the first connecting rod 12 and the second connecting rod 16.

Mounting means between profile of tooth location axle 19 and the middle connecting rod 17 does, offer the connecting hole that is used for connecting the axle head of profile of tooth location axle 19 upper end on the middle connecting rod 17, just two jacks that are used for installing fixed pin 18 are seted up to the perpendicular of the connecting hole on the middle connecting rod 17, the slot corresponding with the jack is seted up to profile of tooth location axle 19 upside, install fixed pin 18 between jack and the slot, through fixed pin 18 is connected between middle connecting rod 17 and the profile of tooth location axle 19, and makes profile of tooth location axle 19 still can the axial rotate.

The first connecting rod 12 and the second connecting rod 16 are hinged through mounting pin shafts, a waist-shaped hole is formed in the upper end of the middle connecting rod 17, and the first connecting rod 12 and the second connecting rod 16 are driven to rotate around the axes of the respective pin shafts through the corresponding pin shafts.

The clamping position in the middle of the upper clamping jaw 14 is provided with an arc groove for clamping a wire, so that the busbar can be clamped between the upper clamping jaw 14 and the lower clamping jaw 13, and the wire can be clamped at the same time.

The working principle is as follows: lower clamping jaw 13 can be for fixed last clamping jaw 14 remain the horizontality reciprocating motion throughout, go up clamping jaw 14 through with mobilizable lower clamping jaw 13 collaborative operation, can form the pincerlike structure of an approximate F shape during the operation to this realizes the fastener to the firm centre gripping of copper bar and wire, reaches the purpose of ground connection, and F shape jaw structure has multiple functions: self-adaptation clamping function: the self-adaptive adjustment of the self-adaptive annular size can be carried out according to the thickness of the clamped copper bar or the wire diameter of the wire, so as to adapt to clamping copper bars with different thicknesses or wires with different wire diameters; the anti-falling function: during operation, after the wire clamp main body is hung above a copper bar or a wire, the lower clamping jaw 13 moves horizontally to gradually approach the upper clamping jaw 14 by slightly pulling the insulating operating rod 1 until the copper bar or the wire is clamped, and then the insulating operating rod 1 rotates clockwise by a certain angle, so that the lower clamping jaw 13 can be locked, at the moment, the copper bar or the wire and the wire clamp are frequently shaken (except for manual unlocking), the F-shaped clamp opening of the wire clamp cannot be loosened, and the potential safety hazard that the wire clamp falls off in the grounding operation link is solved; the clamping and fastening functions are as follows: when the copper bar or the lead enters the pincerlike clamping opening, the copper bar or the lead can be clamped and fastened by the wire clamp only by clockwise micro-rotation of the insulating operating rod 1 by a certain angle, the clamping force is uniform, the clamping is stable, and the clamping is rapid (the copper bar or the lead can be clamped and fastened stably by rotating less than one circle); unlocking function: after the operation finishes, wire end clamp need be dismantled, this moment, only need through anticlockwise little rotatory insulating bar 1 certain angle (reset to initial condition can), alright take out wire end clamp from copper bar or wire, dismantle rapidly.

Having shown and described the basic principles and principal features of the invention and advantages thereof, it will be apparent to those skilled in the art that the invention is not limited to the details of the foregoing exemplary embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof; the present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein, and any reference signs in the claims are not intended to be construed as limiting the claim concerned.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (9)

1. The utility model provides a swift formula earth connection of tearing open suitable for female arranging, includes insulating bar (1), its characterized in that: the handle (21) is bonded on the lower side of the insulating operating rod (1), the magnet seat (3) is fixedly connected to the upper end of the insulating operating rod (1), the magnet (2) is fixed to the lower end of the inner cavity of the magnet seat (3), the iron block (6) is adsorbed on the upper side of the magnet (2), the tooth-shaped positioning shaft fixing seat (7) is fixed to the upper end of the iron block (6), the lower side of the tooth-shaped positioning shaft fixing seat (7) is located in the inner cavity of the magnet seat (3), the tooth-shaped positioning shaft (19) is fixed in the tooth-shaped positioning shaft fixing seat (7), the middle side surface of the tooth-shaped positioning shaft (19) is a tooth surface, the upper side of the tooth-shaped positioning shaft (19) is slidably connected with the thread adjusting seat (10), the outer wall of the thread adjusting seat (10) is screwed with the main thread female seat (11), the tooth-shaped locking shaft (4) is installed at the lower end of the thread adjusting seat (10), and the compression spring (9) is installed between the locking shaft (4) and the thread adjusting seat (10), the tooth-shaped locking mechanism is characterized in that the right end of the tooth-shaped locking shaft (4) is a tooth surface, one side, away from the tooth-shaped positioning shaft (19), of the tooth-shaped locking shaft (4) is provided with an unlocking swing block (5), the left lower side of the main body thread female seat (11) is fixedly connected with an unlocking swing block deflector rod (8), the unlocking swing block (5) is provided with an unlocking swing block positioning groove (24) matched with the unlocking swing block deflector rod (8), the upper end of the main body thread female seat (11) is fixedly connected with a hook-shaped wire clamp main body (15), the middle of the hook-shaped wire clamp main body (15) is hinged with a first connecting rod (12), the upper end of the tooth-shaped positioning shaft (19) is provided with a middle connecting rod (17), the middle connecting rod (17) is hinged with a second connecting rod (16), the upper side of the hook-shaped wire clamp main body (15) is provided with an upper clamping jaw (14), and the upper side between the first connecting rod (12) and the second connecting rod (16) is hinged with a lower clamping jaw (13), clamping jaw (13) clamping face is on a parallel with last clamping jaw (14) clamping face down, female seat of main part screw thread (11) side fixedly connected with binding post fixing base (20), binding post fixing base (20) side has binding post (22) through the screw connection, binding post (22) lower extreme is connected with ground lead (23).

2. The quick-hanging and disassembling type grounding wire applicable to busbars according to claim 1, wherein: the unlocking swing block deflector rod (8) is positioned at the left lower part of the hook-shaped wire clamp main body (15), and one side of the tooth-shaped positioning shaft (19) facing the upper clamping jaw (14) is a tooth surface.

3. The quick-hanging and disassembling type grounding wire applicable to busbars according to claim 1, wherein: the magnet (2) is a neodymium iron boron magnet.

4. The quick-hanging and disassembling type grounding wire applicable to busbars according to claim 1, wherein: the unlocking swing block (5) and the tooth-shaped locking shaft (4) are integrally formed.

5. The quick-hanging and disassembling type grounding wire applicable to busbars according to claim 1, wherein: the section of the tooth-shaped positioning shaft (19) is of a square or D-shaped structure.

6. The quick-hanging and disassembling type grounding wire applicable to busbars according to claim 1, wherein: the middle connecting rod (17) drives the lower clamping jaw (13) to keep a horizontal state to move up and down through the first connecting rod (12) and the second connecting rod (16).

7. The quick-hanging and disassembling type grounding wire applicable to busbars according to claim 1, wherein: mounting means between profile of tooth location axle (19) and middle connecting rod (17) does, offer the connecting hole that is used for connecting profile of tooth location axle (19) upper end spindle nose on middle connecting rod (17), just two jacks that are used for installing fixed pin (18) are seted up to the perpendicular of the connecting hole on middle connecting rod (17), the slot corresponding with the jack is seted up to profile of tooth location axle (19) upside, install fixed pin (18) between jack and the slot, through fixed pin (18) are connected between middle connecting rod (17) and profile of tooth location axle (19), and make profile of tooth location axle (19) still can axial rotation.

8. The quick-hanging and disassembling type grounding wire applicable to busbars according to claim 1, wherein: first connecting rod (12) and second connecting rod (16) all articulate through the installation round pin axle, waist shape hole has been seted up to middle connecting rod (17) upper end, rotates around the axle center of round pin axle separately through corresponding round pin axle drive first connecting rod (12) and second connecting rod (16).

9. The quick-hanging and disassembling type grounding wire applicable to busbars according to claim 1, wherein: the clamping position in the middle of the upper clamping jaw (14) is provided with an arc groove for clamping a wire, so that the upper clamping jaw (14) and the lower clamping jaw (13) can clamp the busbar and the wire simultaneously.

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