CN113839230B - Graphite lightning protection grounding device for lightning protection grounding - Google Patents
Graphite lightning protection grounding device for lightning protection grounding Download PDFInfo
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- CN113839230B CN113839230B CN202111209335.0A CN202111209335A CN113839230B CN 113839230 B CN113839230 B CN 113839230B CN 202111209335 A CN202111209335 A CN 202111209335A CN 113839230 B CN113839230 B CN 113839230B
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- flexible graphite
- protective box
- clamping
- lightning
- magnet
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- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 title claims abstract description 98
- 229910002804 graphite Inorganic materials 0.000 title claims abstract description 98
- 239000010439 graphite Substances 0.000 title claims abstract description 98
- 230000001681 protective effect Effects 0.000 claims abstract description 48
- 238000004804 winding Methods 0.000 claims abstract description 39
- 238000005192 partition Methods 0.000 claims description 6
- 238000007789 sealing Methods 0.000 claims description 5
- 230000000670 limiting effect Effects 0.000 abstract description 5
- 238000010586 diagram Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 230000003139 buffering effect Effects 0.000 description 3
- 230000007797 corrosion Effects 0.000 description 3
- 238000005260 corrosion Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000001179 sorption measurement Methods 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000007769 metal material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 229910001335 Galvanized steel Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 230000002146 bilateral effect Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 239000008397 galvanized steel Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- 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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R11/00—Individual connecting elements providing two or more spaced connecting locations for conductive members which are, or may be, thereby interconnected, e.g. end pieces for wires or cables supported by the wire or cable and having means for facilitating electrical connection to some other wire, terminal, or conductive member, blocks of binding posts
- H01R11/03—Individual connecting elements providing two or more spaced connecting locations for conductive members which are, or may be, thereby interconnected, e.g. end pieces for wires or cables supported by the wire or cable and having means for facilitating electrical connection to some other wire, terminal, or conductive member, blocks of binding posts characterised by the relationship between the connecting locations
- H01R11/09—Individual connecting elements providing two or more spaced connecting locations for conductive members which are, or may be, thereby interconnected, e.g. end pieces for wires or cables supported by the wire or cable and having means for facilitating electrical connection to some other wire, terminal, or conductive member, blocks of binding posts characterised by the relationship between the connecting locations the connecting locations being identical
-
- 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
- H01R13/46—Bases; Cases
- H01R13/533—Bases, cases made for use in extreme conditions, e.g. high temperature, radiation, vibration, corrosive environment, pressure
-
- 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
- H01R13/58—Means for relieving strain on wire connection, e.g. cord grip, for avoiding loosening of connections between wires and terminals within a coupling device terminating a cable
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/62—Means for facilitating engagement or disengagement of coupling parts or for holding them in engagement
- H01R13/6205—Two-part coupling devices held in engagement by a magnet
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/62—Means for facilitating engagement or disengagement of coupling parts or for holding them in engagement
- H01R13/639—Additional means for holding or locking coupling parts together, after engagement, e.g. separate keylock, retainer strap
Abstract
The invention discloses a graphite lightning-protection grounding device for lightning-protection grounding, which comprises a protective box, wherein a connecting mechanism is arranged in the middle of the inner bottom surface of the protective box, buffer components are arranged on the left side and the right side of the connecting mechanism, a winding mechanism is arranged on one side, far away from the connecting mechanism, of the buffer components, an anti-falling component is arranged on the left side wall and the right side wall of the protective box, corresponding to the winding mechanism, and a triggering mechanism is arranged on the upper side of the anti-falling component. According to the invention, the end parts of the two flexible graphite grounding wires are arranged in the protective box, when the external tension of the flexible graphite grounding wires is small, the end connection parts of the flexible graphite grounding wires can be protected from being influenced by the tension through the fall-preventing assembly and the limiting effect of the triggering mechanism on the winding mechanism, when the tension is large, the triggering mechanism is opened, so that the winding mechanism is pulled to rotate, the flexible graphite grounding wires can be pulled for a certain distance under the protection of the buffer assembly, the flexible graphite grounding wires are protected, and meanwhile, the limiting state is restored again.
Description
Technical Field
The invention relates to the technical field of power equipment protection, in particular to a graphite lightning grounding device for lightning grounding.
Background
In the field of lightning protection and grounding of electric power, steel, copper metal materials, galvanized steel, copper-clad steel and other coating alloy materials are generally adopted as grounding materials of an electric power grounding network. As metallic materials are subjected to corrosion problems during operation for up to decades or even decades. The flexible graphite lightning-protection grounding material is a novel grounding material which is developed in recent years, effectively solves the corrosion problem of the metal grounding material, and is widely applied to the field of electric lightning-protection grounding.
In the use of flexible graphite lightning protection earth connection, the one end of graphite lightning protection earth connection is fixed to the lug usually, then fixes the lug of two graphite lightning protection earth connection through the bolt, and this kind of method makes the electrical property tip of its connection easily corrode, and when flexible graphite lightning protection earth connection received external pulling force simultaneously, the junction breaks off easily, influences the electrical property, and the too big pulling force also can cause the damage to flexible graphite lightning protection earth connection itself, influences the use. Therefore, a person skilled in the art provides a graphite lightning grounding device for lightning grounding, so as to solve the problems in the prior art.
Disclosure of Invention
In order to solve the technical problems, the invention provides a graphite lightning protection grounding device for lightning protection grounding, which comprises a protective box and a flexible graphite grounding wire, wherein the left side and the right side of the upper end of the protective box are respectively provided with a threading pipe, the middle part of the bottom surface positioned in the protective box is provided with a connecting mechanism, the left side and the right side of the connecting mechanism are respectively provided with a buffer component, and the buffer components are fixedly arranged at the top of the inner side of the protective box;
the buffer component is provided with a winding mechanism at one side far away from the connecting mechanism, the rear end of the winding mechanism is rotationally connected to the side wall of the protective box, the position, corresponding to the winding mechanism, on the left side wall and the right side wall in the protective box is provided with an anti-falling component, the anti-falling component limits the winding mechanism to rotate, the upper side of the anti-falling component is provided with a triggering mechanism, and the triggering mechanism is arranged on the top wall in the protective box;
the two flexible graphite grounding wires respectively penetrate through the threading pipes arranged on the left side and the right side, sequentially pass through the winding mechanism and the buffer assembly, and are electrically connected and fixed through the connecting mechanism.
Preferably: the connecting mechanism comprises a connecting block, the connecting block is fixed at the bottom in the protective box, a conductive block is arranged in the middle of the connecting block, slots are formed in the left side and the right side of the conductive block, a magnet I is arranged at the position, corresponding to the slots, of the outer side of the conductive block, and a flexible graphite grounding wire is inserted into the slots.
Preferably: the spout has all been seted up to top left and right sides in the connecting block, and is located connecting block top bilateral symmetry and is equipped with the elasticity fastener, and the elasticity fastener is fixed to the tip of flexible graphite earth connection.
Preferably: the elastic clamping piece comprises a supporting plate, the supporting plate is arranged at the top of the connecting block, a clamping rod is connected inside the supporting plate in a sliding mode, a first spring is arranged between the top of the clamping rod and the supporting plate, the first spring is in a stretching state, and the bottom of the clamping rod penetrates through the top end wall of the connecting block to clamp the end portion of the flexible graphite grounding wire.
Preferably: the end of flexible graphite earth connection is equipped with the conducting head, and the conducting head is pegged graft in the slot, and one side of conducting head is equipped with magnet three, and magnet three and magnet one adsorb each other the three upper ends of magnet are equipped with the slider, and the slider is located the spout, and the draw-in groove has been seted up to the slider upper end, and the draw-in groove is mutually supported with the draw-in lever, and the bottom of draw-in lever is located the draw-in groove.
Preferably: the buffering component comprises a first elastic telescopic rod and a second elastic telescopic rod, the left side and the right side of the first elastic telescopic rod are respectively provided with the second elastic telescopic rod, and pulleys are respectively arranged at the bottoms of the first elastic telescopic rod and the second elastic telescopic rod.
Preferably: the winding mechanism comprises a rotating shaft, the rear end of the rotating shaft is rotationally connected to the rear side wall of the protective box through a bearing seat, a rotating wheel is installed at one end, close to the bearing seat, of the front side of the rotating shaft, a plurality of arc plates are evenly distributed on the outer side circumference of the rotating wheel and are in contact with the anti-falling assembly, two partition plates are arranged on the front side of the rotating wheel in the rotating shaft, winding wheels are arranged between the partition plates, and flexible graphite grounding wires are wound on the winding wheels.
Preferably: the anti-falling assembly comprises a clamping plate and a rotating seat, one end of the clamping plate is connected to the inner side wall of the protective box through rotation of the rotating seat, one end of the clamping plate, far away from the rotating seat, is provided with an inclined surface, the surface of the inclined surface is smooth, a second spring is connected between the bottom of the clamping plate and the inner wall of the protective box, one end of the clamping plate, close to the inclined surface, is clamped with an arc-shaped plate, and the upper side of the clamping plate is abutted against the triggering mechanism.
Preferably: the triggering mechanism comprises a sleeve and an elastic pressing block, the top of the sleeve is fixed at the top of the inner side of the protective box, a cavity is formed in the sleeve, a cushion is arranged at the top of the cavity, an electromagnet is arranged at the bottom of the cavity, a sliding rod is arranged in the cavity, the lower end of the sliding rod penetrates through the side wall of the bottom of the sleeve and contacts with the clamping plate through the elastic pressing block, a magnet II is sleeved on the sliding rod and is mutually adsorbed with the electromagnet, a roller is arranged on the side face of the magnet II, and the roller rolls on the inner side wall of the cavity.
Preferably: the front side of the protective box is provided with a box cover, the box cover is fixed on the protective box through a plurality of screws, a sealing gasket is arranged between the box cover and the protective box, and a handle is arranged on the front side of the box cover.
The invention has the technical effects and advantages that:
according to the invention, the end parts of the two flexible graphite grounding wires are arranged in the protective box, so that the two flexible graphite grounding wires can be protected from corrosion and damage, meanwhile, when the external tension of the flexible graphite grounding wires is small, the end part connection parts of the flexible graphite grounding wires can be protected from the influence of the tension through the fall-preventing assembly and the limiting effect of the triggering mechanism on the winding mechanism, when the tension is large, the triggering mechanism is opened, so that the winding mechanism is pulled to rotate, the flexible graphite grounding wires can be pulled for a certain distance under the protection of the buffer assembly, the flexible graphite grounding wires are protected, and the limiting state is restored again.
Drawings
Fig. 1 is a schematic structural diagram of a graphite lightning grounding device for lightning grounding according to an embodiment of the present application;
fig. 2 is a front view of a graphite lightning grounding device for lightning grounding according to an embodiment of the present application;
fig. 3 is an enlarged view of a portion a in fig. 1 in a graphite lightning grounding device for lightning grounding according to an embodiment of the present application;
fig. 4 is a schematic structural diagram of a connection mechanism in a graphite lightning grounding device for lightning grounding according to an embodiment of the present application;
fig. 5 is a schematic structural diagram of a trigger mechanism in a graphite lightning grounding device for lightning grounding according to an embodiment of the present application;
fig. 6 is a schematic structural diagram of a winding mechanism in a graphite lightning grounding device for lightning grounding according to an embodiment of the present application;
in the figure:
1-a protective box; 2-a case cover; 3-screws; 4-sealing gasket; 5-lifting handles; 6-threading pipe; 7-a connection mechanism; an 8-buffer assembly; 9-winding mechanism; 10-fall prevention assembly; 11-a trigger mechanism; 12-a flexible graphite grounding wire;
701-connecting blocks; 702-a conductive plate; 703-a slot; 704-magnet one; 705-chute; 706-elastic clips;
7061-a support plate; 7062-a clamping rod; 7063-spring one;
81-an elastic telescopic rod I; 82-an elastic telescopic rod II; 83-pulleys;
91-rotating shaft; 92-bearing seats; 93-a rotating wheel; 94-arc plate; 95-separator; 96-winding wheel;
101-clamping plates; 102-a rotating seat; 103-inclined plane; 104-spring II;
111-sleeve; 112-cavity; 113-cushion; 114-an electromagnet; 115-slide bar; 116-magnet II; 117-rollers; 118-elastic pressing blocks;
121-a conductive head; 122-magnet three; 123-sliding blocks; 124-card slot.
Detailed Description
The invention will be described in further detail with reference to the drawings and the detailed description. The embodiments of the invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the invention in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for various embodiments with various modifications as are suited to the particular use contemplated.
Examples
Referring to fig. 1 to 6, in this embodiment, a graphite lightning protection grounding device for lightning protection grounding is provided, which includes a protection box 1 and a flexible graphite grounding wire 12, wherein a box cover 2 is provided on the front side of the protection box 1, the box cover 2 is fixed on the protection box 1 through a plurality of screws 3, a sealing gasket 4 is provided between the box cover 2 and the protection box 1, and a handle 5 is installed on the front side of the box cover 2;
the box cover 2 is connected with the protective box 1 through the screw 3, so that the protective box is convenient to assemble and disassemble, and meanwhile, the sealing gasket 4 increases the tightness, prevents water vapor from entering the interior of the protective box, keeps dry, and improves the protective effect;
the left side and the right side of the upper end of the protective box 1 are respectively provided with a threading pipe 6, the middle part of the inner bottom surface of the protective box 1 is provided with a connecting mechanism 7, the left side and the right side of the connecting mechanism 7 are respectively provided with a buffer component 8, and the buffer components 8 are fixedly arranged at the top of the inner side of the protective box 1;
the buffer component 8 is provided with a winding mechanism 9 at one side far away from the connecting mechanism 7, the rear end of the winding mechanism 9 is rotationally connected to the side wall of the protective box 1, the position, corresponding to the winding mechanism 9, of the left side wall and the right side wall in the protective box 1 is provided with an anti-falling component 10, the anti-falling component 10 limits the rotation of the winding mechanism 9, the upper side of the anti-falling component 10 is provided with a triggering mechanism 11, and the triggering mechanism 11 is arranged on the top wall in the protective box 1;
the two flexible graphite grounding wires 12 respectively pass through the threading pipes 6 arranged on the left side and the right side, sequentially pass through the winding mechanism 9 and the buffer assembly 10, and are electrically connected and fixed through the connecting mechanism 7;
the two flexible graphite grounding wires 12 are fixed through the connecting mechanism 7 and are kept in electrical connection, the winding mechanism 9 can rotate to one side under the action of the anti-falling assembly 10 and the triggering mechanism 11, when the flexible graphite grounding wires 12 are pulled, the anti-falling assembly 10 limits the winding mechanism 9 to rotate so as to prevent the connection parts of the two flexible graphite grounding wires 12 from being disconnected, the two flexible graphite grounding wires are kept in electrical connection and keep normal operation, the triggering mechanism 11 works after the flexible graphite grounding wires 12 are stressed excessively, the flexible graphite grounding wires 12 can be pulled, the winding mechanism 9 rotates, the flexible graphite grounding wires 12 are prevented from being broken or the performances of the flexible graphite grounding wires are prevented from being influenced by the excessive stress, and the buffering assembly 10 plays a role in buffering protection;
the connecting mechanism 7 comprises a connecting block 701, wherein the connecting block 701 is fixed at the inner bottom of the protective box 1, a conductive block 702 is arranged in the middle part of the connecting block 701, slots 703 are formed in the left side and the right side of the conductive block 702, a magnet one 704 is arranged at the outer side of the conductive block 702 corresponding to the position of the slot 703, and a flexible graphite grounding wire 12 is inserted into the slot 703;
the conductive block 702 is used for electrically connecting the two flexible graphite grounding wires 12, the slot 703 is arranged to facilitate the installation of the two flexible graphite grounding wires 12, and the first magnet 704 adsorbs the flexible graphite grounding wires 12 to achieve the effects of primary fixation and convenient installation;
the left and right sides of the inner top of the connecting block 701 are provided with sliding grooves 705, elastic clamping pieces 706 are symmetrically arranged above the connecting block 701 in a left-right mode, and the elastic clamping pieces 706 are fixed on the end portions of the flexible graphite grounding wires 12;
the elastic clamping piece 706 comprises a supporting plate 7061, the supporting plate 7061 is arranged at the top of the connecting block 701, a clamping rod 7062 is connected inside the supporting plate 7061 in a sliding manner, a first spring 7063 is arranged between the top of the clamping rod 7062 and the supporting plate 7061, the first spring 7063 is in a stretching state, and the bottom of the clamping rod 7062 penetrates through the top end wall of the connecting block 701 to clamp the end part of the flexible graphite grounding wire 12;
the first spring 7063 pulls the clamping rod 7062 which can slide in the supporting plate 7061, and the clamping rod 7062 can move up and down, so that the effects of clamping and separating are achieved;
the end part of the flexible graphite grounding wire 12 is provided with a conductive head 121, the conductive head 121 is inserted into a slot 703, one side of the conductive head 121 is provided with a magnet III 122, the magnet III 122 and a magnet I7041 are mutually adsorbed, the upper end of the magnet III 122 is provided with a sliding block 123, the sliding block 123 is positioned in a sliding groove 705, the upper end of the sliding block 123 is provided with a clamping groove 124, the clamping groove 124 is mutually matched with a clamping rod 7062, and the bottom of the clamping rod 7062 is positioned in the clamping groove 124;
the magnet III 122 is matched with the magnet I704 to assist in mounting the conductive head 121, and meanwhile, the clamping rod 7062 is matched with the clamping groove 124 on the sliding block 123 to fix the flexible graphite grounding wire 12 conveniently and rapidly;
the buffer component 8 comprises a first elastic telescopic rod 81 and a second elastic telescopic rod 82, the left side and the right side of the first elastic telescopic rod 81 are respectively provided with the second elastic telescopic rod 82, and pulleys 83 are respectively arranged at the bottoms of the first elastic telescopic rod 81 and the second elastic telescopic rod 82;
the winding mechanism 9 comprises a rotating shaft 91, the rear end of the rotating shaft 91 is rotatably connected to the rear side wall of the protective box 1 through a bearing seat 92, a rotating wheel 93 is installed at one end, close to the bearing seat 92, of the front side of the rotating shaft 91, a plurality of arc plates 94 are uniformly distributed on the circumference of the outer side of the rotating wheel 93, the arc plates 94 are in contact with the anti-falling assembly 10, two partition plates 95 are arranged on the front side of the rotating shaft 91, a winding wheel 96 is arranged between the two partition plates 95, and a flexible graphite grounding wire 12 is wound on the winding wheel 96;
after the flexible graphite grounding wire 12 is wound on the winding wheel 96, when the flexible graphite grounding wire 12 is pulled, the rotating shaft 91 is driven to rotate, and under the limiting action of the anti-falling assembly 10, the flexible graphite grounding wire is limited to one side (the connecting mechanism 7) and the other side, so that the situation that the flexible graphite grounding wire 12 is pulled and the electrical property is disconnected is prevented;
the anti-falling assembly 10 comprises a clamping plate 101 and a rotating seat 102, one end of the clamping plate 101 is rotatably connected to the inner side wall of the protective box 1 through the rotating seat 102, one end of the clamping plate 101 away from the rotating seat 102 is provided with an inclined surface 103, the surface of the inclined surface 103 is smooth, a second spring 104 is connected between the bottom of the clamping plate 101 and the inner wall of the protective box 1, one end of the clamping plate 101, which is close to the inclined surface 103, clamps the arc-shaped plate 94, and the upper side of the clamping plate 101 is in contact with the triggering mechanism 11;
the clamping plate 101 in the anti-falling assembly 10 inclines upwards under the extrusion of the second spring 104 and is simultaneously propped by the triggering mechanism 11, and after the arc plate 94 is clamped, the rotation and the limit of the rotating wheel 93 can be realized;
the triggering mechanism 11 comprises a sleeve 111 and an elastic pressing block 118, the top of the sleeve 111 is fixed at the top of the inner side of the protective box 1, a cavity 112 is formed in the sleeve 111, a soft cushion 113 is arranged at the top of the cavity 112, an electromagnet 114 is arranged at the bottom of the soft cushion, a slide bar 115 is arranged in the cavity 112, the lower end of the slide bar 115 penetrates through the side wall of the bottom of the sleeve 111 and contacts the clamping plate 101 through the elastic pressing block 118, a magnet II 116 is sleeved on the slide bar 115, the magnet II 116 and the electromagnet 114 are mutually adsorbed, a roller 117 is arranged on the side surface of the magnet II 116, and the roller 117 rolls on the inner side wall of the cavity 112;
the trigger mechanism 11 is adsorbed by the electromagnet 114 and the magnet two 116 to fix the slide bar 115, meanwhile, the magnetic size of the electromagnet 114 can be adjusted by the current size, so that the adsorption force between the electromagnet 114 and the magnet two 116 can be adjusted to be slightly smaller than the sum of the tensile force borne by the flexible graphite grounding wire 12 and the upward inclined force of the clamping plate 101 under the action of the spring two 104 (the tensile force borne by the flexible graphite grounding wire 12 means that the internal structure of the flexible graphite grounding wire cannot be damaged after the flexible graphite grounding wire 12 is pulled under the action of the tensile force, and the flexible graphite grounding wire can be kept normally used), when the flexible graphite grounding wire 12 is subjected to larger tensile force, the rotating shaft 91 is driven to rotate, the arc plate 94 on the rotating wheel 93 has an upward force on the clamping plate 101, when the magnetic force is larger than the adsorption force between the electromagnet 114 and the magnet two 116, the slide bar 115 is jacked up, the rotation of the rotating wheel 93 is released, at the moment, the flexible graphite grounding wire 12 can be pulled to prevent the tensile force from being excessively large, the flexible graphite grounding wire 12 from being pulled or damaged, the internal structure of the flexible graphite grounding wire is kept normal to be used, and the slide bar 115 is kept to be kept in a limit state under the initial adsorption force between the electromagnet 114 and the magnet two 116.
In the invention, two flexible graphite grounding wires 12 are respectively penetrated into a protective box 1 through a threading pipe 6, firstly pass through a winding wheel 96 which is wound on a winding mechanism 9, then pass through pulleys 83 at the bottoms of an elastic telescopic rod I81 and an elastic telescopic rod II 82 in sequence, and when the flexible graphite grounding wires 12 are pulled by tensile force, the flexible graphite grounding wires 81 and the elastic telescopic rods II 82 can be stretched downwards for a long time, so that the excessive tensile force on the electrically connected ends of the flexible graphite grounding wires 12 is avoided;
then, fixedly connecting in the connecting mechanism 7, specifically, inserting the flexible graphite grounding wire 12 into the sliding groove 705 through the sliding block 123, pushing inwards, pulling up the clamping rod 7062 on the elastic clamping piece 706, inserting the conductive head 121 into the slot 703, simultaneously, adsorbing the first magnet 704 by the third magnet 122 for preliminary fixing and positioning, and loosening the clamping rod 7062, and clamping the flexible graphite grounding wire 12 into the clamping groove 124 through the connecting block 701 under the pulling of the first spring 7063 to fix the flexible graphite grounding wire 12, thereby realizing the electric connection and fixation of the two flexible graphite grounding wires;
when the flexible graphite grounding wire 12 is pulled from one side of the connecting mechanism 7, the flexible graphite grounding wire can be pulled, and after the flexible graphite grounding wire is pulled, the rotating shaft 91 is driven to rotate, so that the rotating wheel 93 rotates, the arc-shaped plate 94 on the rotating wheel is pressed downwards to the clamping plate 101, the second spring 104 is compressed, and the rotating wheel can rotate;
conversely, when the tensile force applied to the flexible graphite grounding wire 12 is small, the clamping plate 101 is limited and cannot be pulled under the limitation of the trigger mechanism 11;
when the flexible graphite grounding wire 12 is subjected to larger pulling force, the pulling force combined with the second spring 104 applied by the clamping plate 101 is larger than the attractive force of the electromagnet 114 and the second magnet 116 in the triggering mechanism 11, the triggering mechanism 11 is triggered, so that the flexible graphite grounding wire 12 can be pulled, damage to the flexible graphite grounding wire 12 caused by overlarge external pulling force is avoided, and the flexible graphite grounding wire can be recycled after the external pulling force disappears.
It will be apparent that the described embodiments are only some, but not all, embodiments of the invention. All other embodiments, which can be made by those skilled in the art and which are included in the embodiments of the present invention without the inventive step, are intended to be within the scope of the present invention. Structures, devices and methods of operation not specifically described and illustrated herein, unless otherwise indicated and limited, are implemented according to conventional means in the art.
Claims (5)
1. The graphite lightning protection grounding device for lightning protection grounding is characterized by comprising a protection box (1) and a flexible graphite grounding wire (12), wherein the left side and the right side of the upper end of the protection box (1) are respectively provided with a threading pipe (6), the middle part of the bottom surface positioned in the protection box (1) is provided with a connecting mechanism (7), the left side and the right side of the connecting mechanism (7) are respectively provided with a buffer component (8), and the buffer components (8) are fixedly arranged at the top of the inner side of the protection box (1);
a winding mechanism (9) is arranged on one side of the buffer component (8) far away from the connecting mechanism (7), the rear end of the winding mechanism (9) is rotationally connected to the side wall of the protective box (1), an anti-falling component (10) is arranged on the left side wall and the right side wall of the protective box (1) corresponding to the winding mechanism (9), the anti-falling component (10) limits the winding mechanism (9) to rotate, a triggering mechanism (11) is arranged on the upper side of the anti-falling component (10), and the triggering mechanism (11) is arranged on the inner top wall of the protective box (1);
the two flexible graphite grounding wires (12) respectively pass through the threading pipes (6) arranged on the left side and the right side, sequentially pass through the winding mechanism (9) and the buffer assembly (8), and are electrically connected and fixed through the connecting mechanism (7);
the connecting mechanism (7) comprises a connecting block (701), wherein the connecting block (701) is fixed at the inner bottom of the protective box (1), a conductive block (702) is arranged in the middle of the connecting block (701), slots (703) are formed in the left side and the right side of the conductive block (702), a magnet I (704) is arranged at the position, corresponding to the slots (703), of the outer side of the conductive block (702), and a flexible graphite grounding wire (12) is inserted into the slots (703);
the buffer assembly (8) comprises a first elastic telescopic rod (81) and a second elastic telescopic rod (82), the left side and the right side of the first elastic telescopic rod (81) are respectively provided with the second elastic telescopic rod (82), and pulleys (83) are respectively arranged at the bottoms of the first elastic telescopic rod (81) and the second elastic telescopic rod (82);
the winding mechanism (9) comprises a rotating shaft (91), the rear end of the rotating shaft (91) is rotationally connected to the rear side wall of the protective box (1) through a bearing seat (92), a rotating wheel (93) is installed at one end, close to the bearing seat (92), of the front side of the rotating shaft (91), a plurality of arc plates (94) are evenly distributed on the outer circumference of the rotating wheel (93), the arc plates (94) are in contact with the anti-falling assembly (10), two partition plates (95) are arranged on the front side, located on the rotating wheel (93), of the rotating shaft (91), winding wheels (96) are arranged between the two partition plates (95), and flexible graphite grounding wires (12) are wound on the winding wheels (96);
the anti-falling assembly (10) comprises a clamping plate (101) and a rotating seat (102), one end of the clamping plate (101) is rotationally connected to the inner side wall of the protective box (1) through the rotating seat (102), one end, far away from the rotating seat (102), of the clamping plate (101) is provided with an inclined surface (103), the surface of the inclined surface (103) is smooth, a second spring (104) is connected between the bottom of the clamping plate (101) and the inner wall of the protective box (1), one end, close to the inclined surface (103), of the clamping plate (101) clamps the arc-shaped plate (94), and the upper side of the clamping plate (101) is in interference with the triggering mechanism (11);
the trigger mechanism (11) comprises a sleeve (111) and an elastic pressing block (118), wherein the top of the sleeve (111) is fixed at the inner top of the protective box (1), a cavity (112) is formed in the sleeve (111), a cushion (113) is arranged at the inner top of the cavity (112), an electromagnet (114) is arranged at the bottom of the cushion, a sliding rod (115) is arranged in the cavity (112), the lower end of the sliding rod (115) penetrates through the side wall of the bottom of the sleeve (111) and contacts with the clamping plate (101) through the elastic pressing block (118), a magnet II (116) is sleeved on the sliding rod (115), the magnet II (116) is mutually adsorbed with the electromagnet (114), a roller (117) is arranged on the side face of the magnet II (116), and the roller (117) rolls on the inner side wall of the cavity (112).
2. The lightning-protection grounding device for graphite according to claim 1, wherein sliding grooves (705) are formed in the left side and the right side of the inner top of the connecting block (701), elastic clamping pieces (706) are symmetrically arranged above the connecting block (701) in a left-right mode, and the elastic clamping pieces (706) are fixed to the end portions of the flexible graphite grounding wires (12).
3. The graphite lightning-protection grounding device for lightning-protection grounding according to claim 2, wherein the elastic clamping piece (706) comprises a supporting plate (7061), the supporting plate (7061) is arranged at the top of the connecting block (701), a clamping rod (7062) is connected in a sliding manner, a first spring (7063) is arranged between the top of the clamping rod (7062) and the supporting plate (7061), the first spring (7063) is in a stretching state, and the bottom of the clamping rod (7062) penetrates through the top end wall of the connecting block (701) to clamp the end part of the flexible graphite grounding wire (12).
4. The graphite lightning-protection grounding device for lightning-protection grounding according to claim 1, wherein the end part of the flexible graphite grounding wire (12) is provided with a conductive head (121), the conductive head (121) is inserted into the slot (703), one side of the conductive head (121) is provided with a magnet III (122), the magnet III (122) and the magnet I (704) are mutually adsorbed, the upper end of the magnet III (122) is provided with a sliding block (123), the sliding block (123) is positioned in the sliding groove (705), the upper end of the sliding block (123) is provided with a clamping groove (124), the clamping groove (124) is matched with the clamping rod (7062), and the bottom of the clamping rod (7062) is positioned in the clamping groove (124).
5. The graphite lightning protection grounding device for lightning protection grounding according to claim 1, wherein a box cover (2) is arranged on the front side of the protective box (1), the box cover (2) is fixed on the protective box (1) through a plurality of screws (3), a sealing gasket (4) is arranged between the box cover (2) and the protective box (1), and a lifting handle (5) is arranged on the front side of the box cover (2).
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| CN202111209335.0A CN113839230B (en) | 2021-10-18 | 2021-10-18 | Graphite lightning protection grounding device for lightning protection grounding |
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| CN202111209335.0A CN113839230B (en) | 2021-10-18 | 2021-10-18 | Graphite lightning protection grounding device for lightning protection grounding |
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| CN114825144B (en) * | 2022-04-06 | 2023-05-30 | 内蒙古能源规划设计研究院有限公司 | Arrangement structure of transformer substation grounding grid |
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