CN116865007B - Automatic buckle ground contact device - Google Patents
Automatic buckle ground contact device Download PDFInfo
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- CN116865007B CN116865007B CN202311104067.5A CN202311104067A CN116865007B CN 116865007 B CN116865007 B CN 116865007B CN 202311104067 A CN202311104067 A CN 202311104067A CN 116865007 B CN116865007 B CN 116865007B
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- 230000000903 blocking effect Effects 0.000 claims abstract description 29
- 239000002184 metal Substances 0.000 claims abstract description 14
- 230000007704 transition Effects 0.000 claims description 4
- 238000005299 abrasion Methods 0.000 abstract description 2
- 230000009194 climbing Effects 0.000 description 11
- 238000007689 inspection Methods 0.000 description 3
- 238000005381 potential energy Methods 0.000 description 3
- 230000002035 prolonged effect Effects 0.000 description 3
- 206010016173 Fall Diseases 0.000 description 2
- 239000012212 insulator Substances 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 238000004904 shortening Methods 0.000 description 2
- 230000005856 abnormality Effects 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000002633 protecting effect Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
- H01R4/26—Connections in which at least one of the connecting parts has projections which bite into or engage the other connecting part in order to improve the contact
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R11/00—Individual connecting elements providing two or more spaced connecting locations for conductive members which are, or may be, thereby interconnected, e.g. end pieces for wires or cables supported by the wire or cable and having means for facilitating electrical connection to some other wire, terminal, or conductive member, blocks of binding posts
- H01R11/11—End pieces or tapping pieces for wires, supported by the wire and for facilitating electrical connection to some other wire, terminal or conductive member
- H01R11/12—End pieces terminating in an eye, hook, or fork
- H01R11/14—End pieces terminating in an eye, hook, or fork the hook being adapted for hanging on overhead or other suspended lines, e.g. hot line clamp
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
- H01R4/58—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation characterised by the form or material of the contacting members
- H01R4/64—Connections between or with conductive parts having primarily a non-electric function, e.g. frame, casing, rail
Abstract
The application relates to the field of grounding contacts, and provides an automatic clamping grounding contact device, which comprises a vertically arranged base, wherein a cylindrical cavity is formed in the base along the vertical direction, an annular plate is horizontally fixed at the top end of the base along the circumferential direction of the base, and a ground wire connecting column is arranged on the annular plate; the edge rotation of annular board is equipped with first buckle, second buckle, and first buckle, second buckle are just opposite to the distribution, all are equipped with interior pothook on the top of first buckle, the top of second buckle, and interior pothook is located the top of annular board, all are equipped with outer pothook on the bottom of first buckle, the bottom of second buckle, and outer pothook is located the below of annular board. According to the application, the top end of the grounding wire can be prevented from falling down accidentally, so that the use safety is improved; the upper grooves of the two inner hooks and the protruding parts of the metal rod at the top end of the insulating rod can be protected; the clamping force of the two inner clamping hooks is prevented from being increased due to abrasion of the bottom surfaces of the blocking blocks, and the stability of the clamping force of the two inner clamping hooks is improved.
Description
Technical Field
The application relates to the technical field of grounding contacts, in particular to an automatic clamping grounding contact device.
Background
The transformer substation is a place for converting voltage and current, receiving electric energy and distributing electric energy in the electric power system. The inspection of transformer substation is to observe whether the indicator indication is normal, whether the sound of the equipment is normal, whether the temperature of the equipment which is allowed to contact is normal or not through regular inspection by the operator on duty, and to measure the change of the operation parameters of the electrical equipment in operation. When the transformer substation is overhauled after abnormality is found in the inspection process, a worker needs to carry out hanging and dismounting type ground wire operation.
The traditional operation of hanging and dismantling the grounding wire is finished by manpower, namely one end of the grounding wire is connected with the insulating rod, the other end of the grounding wire is connected with the grounding pile head, and then the insulating rod is lifted by manpower and hung on the power-off bus. Among them, there are the following disadvantages: the ground wire contact can't effectually block in the protruding position of insulator spindle top metal pole, and the ground wire has the risk that unexpected whereabouts, leads to the ground wire to drop and smash the staff who hurts the below, has certain potential safety hazard.
Disclosure of Invention
The application aims to provide an automatic clamping grounding contact device, which is used for solving the problems that a grounding wire contact cannot be effectively clamped at a convex part of a metal rod at the top end of an insulating rod, the grounding wire is at risk of falling down accidentally, so that the grounding wire falls down to injure workers below by smashing, and certain potential safety hazard exists.
In order to achieve the above object, the present application adopts the following technical scheme: the automatic buckling grounding contact device comprises a vertically arranged base, wherein a cylindrical cavity is formed in the base along the vertical direction, an annular plate is horizontally fixed at the top end of the base along the circumferential direction of the base, and a ground wire connecting column is arranged on the annular plate;
the edge of the annular plate is rotationally provided with a first buckle and a second buckle, the first buckle and the second buckle are oppositely distributed, the top ends of the first buckle and the second buckle are respectively provided with an inner clamping hook, the inner clamping hooks are positioned above the annular plate, the bottom ends of the first buckle and the second buckle are respectively provided with an outer clamping hook, the outer clamping hooks are positioned below the annular plate, the first buckle and the second buckle are of a fold line structure, the bottom ends of the first buckle and the second buckle are respectively inclined outwards, and the rotation radius of the inner clamping hooks is larger than that of the outer clamping hooks;
the bottom of first buckle and the lateral wall of base between be equipped with first piece that resets, be equipped with the second piece that resets between the bottom of second buckle and the lateral wall of base.
Preferably, the notch is seted up to the edge of annular plate, first buckle, second buckle rotate the inside that sets up at the notch through the pivot respectively.
Preferably, the first reset piece and the second reset piece are torsion springs, and the torsion centers of the two torsion springs are respectively overlapped with the central lines of the two rotating shafts.
Preferably, the inner sides of the first buckle and the second buckle are respectively provided with a containing groove, one end of the torsion spring is positioned in the containing groove, and the other end of the torsion spring is abutted against the outer wall of the base.
Preferably, the first buckle and the second buckle are respectively provided with a blocking block on one side close to each other, and when the two inner hooks are both clamped in the grooves above the protruding parts of the metal rods at the top ends of the insulating rods, the bottom surfaces of the blocking blocks are abutted against the top surfaces of the edges of the annular plates.
Preferably, the blocking block is provided with a threaded through hole, the central line direction of the threaded through hole and the height direction of the blocking block are parallel to each other, and the threaded through hole is internally connected with a bolt in a threaded manner.
Preferably, a cylindrical barrel is fixed on the top surface of the annular plate, a conical through hole is arranged in the annular plate, and the bottom end of the inner cavity of the cylindrical barrel and the top end of the cylindrical cavity in the base are mutually communicated through the conical through hole.
Preferably, a plurality of strip-shaped grooves are formed in the side wall of the cylindrical barrel along the circumferential direction, the top ends of the strip-shaped grooves extend to the top end of the cylindrical barrel, and the bottom ends of the strip-shaped grooves are in rounded transition.
Preferably, the bottom periphery of the first buckle and the second buckle is provided with an annular ring in a sliding mode, the top surface of the chassis of the base is provided with a telescopic rod, and the top end of the telescopic rod is fixedly connected with the bottom surface of the annular ring.
Preferably, rectangular grooves are formed in the outer sides of the bottoms of the first buckle and the second buckle, strip-shaped plates are slidably arranged in the rectangular grooves, the inner walls of the annular rings are abutted to the outer sides of the strip-shaped plates, and springs are arranged between the strip-shaped plates and the inner bottom surfaces of the rectangular grooves.
Compared with the prior art, the automatic clamping and grounding contact device adopting the technical scheme has the following beneficial effects:
1. when the two inner clamping hooks move upwards simultaneously, the two inner clamping hooks contact the protruding part, at the moment, the two inner clamping hooks are respectively and outwards opened by the protruding part, so that the top ends of the first clamping buckle and the second clamping buckle respectively rotate outwards, meanwhile, the bottom ends of the first clamping buckle and the second clamping buckle respectively rotate inwards, the first reset piece and the second reset piece are respectively extruded by the bottom ends of the first clamping buckle and the second clamping buckle to increase torsion and store elastic potential energy, then, the base continues to drive the first clamping buckle and the second clamping buckle to move upwards, the two inner clamping hooks continue to move upwards into the groove above the protruding part, under the action of the elastic torsion of the first reset piece and the second reset piece, the bottom ends of the first clamping buckle and the second clamping buckle respectively rotate outwards, and meanwhile, the top ends of the first clamping buckle and the second clamping buckle respectively rotate inwards, so that the two inner clamping hooks are firmly clamped in the groove above the protruding part, and the annular plate is locked at the height position of the insulating rod, so that the top ends of the grounding wire are prevented from falling downwards, and the safety in use is improved;
2. when the bottom end of the climbing device faces upwards and climbs upwards, the bottom end groove of the climbing device is contacted and extruded to the two outer clamping hooks, so that the two outer clamping hooks respectively rotate inwards, the two outer clamping hooks respectively drive the bottom ends of the first clamping buckle and the second clamping buckle to rotate inwards, meanwhile, the top ends of the first clamping buckle and the second clamping buckle rotate outwards, so that the two inner clamping hooks are driven to rotate outwards, the two inner clamping hooks are simultaneously separated from the groove above the protruding part of the metal rod of the insulating rod, then the climbing device is started and enabled to move downwards, the climbing device drives the base to move downwards, the base drives the annular plate, the first clamping buckle and the second clamping buckle to move downwards, the two inner clamping hooks are completely separated from the groove above the protruding part, the locking of the annular plate is released, and when the annular plate moves downwards to the lowest end position of the insulating rod, a worker can detach the grounding wire from the annular plate, so that the ground wire is detached;
3. when the two inner clamping hooks are clamped in the groove above the protruding part of the metal rod at the top end of the insulating rod, the bottom surface of the blocking block is abutted against the top surface of the edge of the annular plate, and the bottom surface of the blocking block and the top surface of the annular plate are abutted against each other, so that the top surface of the annular plate generates supporting force on the bottom surface of the blocking block, the top ends of the first clamping buckle and the second clamping buckle are prevented from continuously rotating inwards, the two inner clamping hooks are just clamped in the groove above the protruding part of the metal rod at the top end of the insulating rod, the clamping force is prevented from being too large, the two inner clamping hooks and the groove above the protruding part of the metal rod at the top end of the insulating rod can be protected, and the annular plate has a good protecting effect, so that the service life is prolonged;
4. after long-time use, the bottom surface of the blocking piece can be worn and torn for the thickness of blocking piece reduces, and at this moment, the staff can be through screwing the bolt in order to increase the length of bolt downward bulge in blocking piece bottom surface, and the bottom through the bolt stretches out downwards in order to compensate the thickness reduction of blocking piece promptly, avoids the block strength of two interior hooks to increase because of the wearing and tearing of blocking piece bottom surface, improves the stability of two interior hook block dynamics.
Drawings
Fig. 1 is a perspective view of a first embodiment of the present application.
Fig. 2 is a perspective view (another view) of a first embodiment of the present application.
Fig. 3 is a front view of a first embodiment of the present application.
Fig. 4 is a top view of a first embodiment of the present application.
Fig. 5 is a cross-sectional view at A-A in fig. 4 of a first embodiment of the present application.
Fig. 6 is an enlarged view of fig. 5B according to a first embodiment of the present application.
Fig. 7 is a front cross-sectional view of a second embodiment of the present application.
Fig. 8 is an enlarged view of fig. 7C according to a second embodiment of the present application.
In the figure: the base 1, the annular plate 2, the ground wire connecting column 21, the notch 22, the first buckle 31, the second buckle 32, the inner clamping hook 33, the outer clamping hook 34, the first reset piece 35, the second reset piece 36, the rotating shaft 37, the containing groove 38, the cylindrical barrel 41, the strip-shaped groove 42, the blocking block 51, the bolt 52, the annular ring 61, the telescopic rod 62, the rectangular groove 71, the strip-shaped plate 72 and the spring 73.
Detailed Description
The application is further described below with reference to the accompanying drawings.
Example 1
As shown in fig. 1-5, an automatic buckling grounding contact device comprises a vertically arranged base 1, wherein a cylindrical cavity is formed in the base 1 along the vertical direction, an annular plate 2 is horizontally fixed at the top end of the base 1 along the circumferential direction of the base, and a ground wire connecting column 21 is arranged on the annular plate 2.
In use, when a worker needs to hang the ground wire, one end of the ground wire is connected to the ground wire connecting column 21, then the insulating rod penetrates into the cylindrical cavity of the base 1, and then the base 1 is pushed upwards through the climbing device to enable the base 1 to climb upwards from below along the insulating rod, so that the base 1 drives one end of the ground wire to move upwards through the annular plate 2 and the ground wire connecting column 21, the worker is not required to lift the insulating rod through manpower, the labor intensity is reduced, and therefore female operation and maintenance workers can also operate, the risk of dumping the insulating rod is eliminated, and the potential safety hazard is reduced.
As shown in fig. 1-5, a first buckle 31 and a second buckle 32 are rotationally arranged at the edge of the annular plate 2, the first buckle 31 and the second buckle 32 are oppositely distributed, an inner clamping hook 33 is arranged at the top end of the first buckle 31 and the top end of the second buckle 32, the inner clamping hook 33 is positioned above the annular plate 2, an outer clamping hook 34 is arranged at the bottom end of the first buckle 31 and the bottom end of the second buckle 32, and the outer clamping hook 34 is positioned below the annular plate 2; a first reset piece 35 is arranged between the bottom end of the first buckle 31 and the side wall of the base 1, and a second reset piece 36 is arranged between the bottom end of the second buckle 32 and the side wall of the base 1.
In use, the base 1 moves upwards to drive the first buckle 31 and the second buckle 32 to move upwards through the annular plate 2, when the two inner hooks 33 at the top ends of the first buckle 31 and the second buckle 32 move upwards to the top ends of the insulating rod, the two inner hooks 33 are clamped inwards at the protruding parts of the metal rod at the top end of the insulating rod, specifically, when the two inner hooks 33 move upwards simultaneously, the two inner hooks 33 contact the protruding parts firstly, at the moment, the two inner hooks 33 are respectively outwards spread by the protruding parts, so that the top ends of the first buckle 31 and the second buckle 32 rotate outwards, simultaneously, the bottom ends of the first buckle 31 and the second buckle 32 rotate inwards, the first reset piece 35 and the second reset piece 36 are respectively pressed by the bottom ends of the first buckle 31 and the second buckle 32 to increase torsion and store elastic potential energy, and then the base 1 continues to drive the first buckle 31 and the second buckle 32 to move upwards in the groove above the protruding parts, at the first reset piece 35 and the second reset piece 36 are respectively outwards spread by the protruding parts, the bottom ends of the first buckle 31 and the second buckle 32 are respectively locked by the bottom ends of the first buckle 32, the two inner hooks are simultaneously, the top ends of the second buckle 32 are respectively locked by the aid of the elastic hooks, and the ground wire is prevented from falling down, and the top ends of the first buckle 32 is firmly locked by the bottom ends of the first buckle 32, and the ground wire is simultaneously, and the ground wire is firmly locked by the bottom at the bottom ends of the first buckle 32, and the first buckle 32.
Similarly, when the bottom end of the climbing device is upward and climbs upward, the bottom end groove of the climbing device is firstly contacted and extruded to the two outer clamping hooks 34, so that the two outer clamping hooks 34 respectively rotate inwards, the two outer clamping hooks 34 respectively drive the bottom ends of the first clamping buckle 31 and the second clamping buckle 32 to rotate inwards, meanwhile, the top ends of the first clamping buckle 31 and the second clamping buckle 32 rotate outwards, so that the two inner clamping hooks 33 are driven to rotate outwards, the two inner clamping hooks 33 are simultaneously separated from the groove above the metal rod protruding part of the insulating rod, then the climbing device is started and enabled to move downwards, the climbing device drives the base 1 to move downwards, the base 1 drives the annular plate 2, the first clamping buckle 31 and the second clamping buckle 32 to move downwards, the two inner clamping hooks 33 are completely separated from the groove above the protruding part, locking of the annular plate 2 is released, and when the annular plate 2 moves downwards to the lowest end position of the insulating rod, a worker can detach the grounding wire from the annular plate 2, so that the ground wire is detached. Finally, the first buckle 31 and the second buckle 32 are both in a fold line structure, the bottom ends of the first buckle 31 and the second buckle 32 are respectively inclined outwards, and the rotation radius of the inner clamping hook 33 is larger than that of the outer clamping hook 34. The design enables the smaller moving range of the outer clamping hook 34 to drive the larger moving range of the inner clamping hook 33 so as to adapt to the smaller size of the bottom end groove of the climbing device.
As shown in fig. 6, the edge of the annular plate 2 is provided with a notch 22, and the first buckle 31 and the second buckle 32 are respectively arranged in the notch 22 in a rotating way through a rotating shaft 37. The first restoring member 35 and the second restoring member 36 are torsion springs, and the torsion centers of the two torsion springs are respectively overlapped with the central lines of the two rotating shafts 37. The inner sides of the first buckle 31 and the second buckle 32 are respectively provided with a containing groove 38, one end of the torsion spring is positioned in the containing groove 38, and the other end of the torsion spring is abutted against the outer wall of the base 1.
In this device, first buckle 31, second buckle 32 imbeds respectively in two notch 22 of annular plate 2 edge, avoids first buckle 31, second buckle 32 outwards to protrude in annular plate 2's edge, reduces this device's occupation space, is convenient for preserve, also makes this device more pleasing to the eye simultaneously. In use, when the first buckle 31 and the second buckle 32 rotate, the rotation centers of the first buckle 31 and the second buckle 32 are respectively overlapped with the central lines of the two rotating shafts 37, so that the rotation stability of the first buckle 31 and the second buckle 32 is improved. The two accommodating grooves 38 are respectively used for accommodating the two torsion springs, so that the torsion springs are prevented from being exposed to the outside, the torsion springs are protected, and the appearance is more attractive. In addition, one end of the torsion spring is abutted in the accommodating groove 38, and meanwhile, the other end of the torsion spring is abutted on the outer wall of the base 1, when the first buckle 31 and the second buckle 32 rotate, the two torsion springs are extruded to generate torsion deformation and store elastic potential energy, so that restoring force is provided for the first buckle 31 and the second buckle 32.
As shown in fig. 6, the first catch 31 and the second catch 32 are provided with blocking pieces 51 on the sides thereof which are close to each other. In use, when the two inner hooks 33 are both clamped in the groove above the protruding part of the metal rod at the top end of the insulating rod, the bottom surface of the blocking block 51 is abutted against the top surface at the edge of the annular plate 2, and the bottom surface of the blocking block 51 and the top surface of the annular plate 2 are abutted against each other, so that the top surface of the annular plate 2 generates supporting force on the bottom surface of the blocking block 51, the top ends of the first buckle 31 and the second buckle 32 are prevented from continuously rotating inwards, the two inner hooks 33 are just clamped in the groove above the protruding part of the metal rod at the top end of the insulating rod, the clamping force is prevented from being too large, the two inner hooks 33 and the groove above the protruding part of the metal rod at the top end of the insulating rod can be protected, and the protective effect is good, so that the service life is prolonged.
As shown in fig. 6, the blocking block 51 is provided with a threaded through hole, the direction of the center line of the threaded through hole and the height direction of the blocking block 51 are parallel to each other, and the threaded through hole is internally threaded with a bolt 52. After long-time use, the bottom surface of the blocking block 51 will be worn, so that the thickness of the blocking block 51 is reduced, at this time, a worker can screw the bolt 52 to increase the length of the bolt 52 protruding downwards from the bottom surface of the blocking block 51, that is, the bottom end of the bolt 52 protrudes downwards to compensate the reduction of the thickness of the blocking block 51, thereby avoiding the increase of the clamping force of the two inner hooks 33 due to the wear of the bottom surface of the blocking block 51 and improving the stability of the clamping force of the two inner hooks 33.
As shown in fig. 1 to 5, a cylindrical drum 41 is fixed on the top surface of the annular plate 2, a conical through hole is arranged in the annular plate 2, and the bottom end of the inner cavity of the cylindrical drum 41 and the top end of the cylindrical cavity in the base 1 are communicated with each other through the conical through hole. A plurality of strip-shaped grooves 42 are formed in the side wall of the cylindrical barrel 41 along the circumferential direction, the top ends of the strip-shaped grooves 42 extend to the top end of the cylindrical barrel 41, and the bottom ends of the strip-shaped grooves 42 are in rounded transition.
In use, the cylindrical drum 41 is sleeved on the periphery of the insulating rod, and the insulating rod penetrates through the cylindrical drum 41, the annular plate 2 and the base 1 from top to bottom in sequence so as to adapt to the climbing device to drive the base 1 to move upwards, wherein the cylindrical drum 41 has a guiding function so as to improve the stability of upward movement of the base 1. In addition, the design of a plurality of bar grooves 42 can adapt to the outward slope deformation of the lateral wall of the cylinder 41, can adjust the internal diameter size of the cylinder 41 to adapt to the different shape sizes on insulator spindle top, finally, the bottom of bar groove 42 is the design of fillet transition, avoids producing stress concentration in the bottom department of bar groove 42, can suitably improve the bottom intensity of bar groove 42, prolongs the life of cylinder 41.
Example two
As shown in fig. 7-8, the bottom peripheries of the first buckle 31 and the second buckle 32 are slidably provided with an annular ring 61, the top surface of the chassis of the base 1 is provided with a telescopic rod 62, and the top end of the telescopic rod 62 is fixedly connected with the bottom surface of the annular ring 61.
In this device, telescopic link 62 is electric telescopic link, and telescopic link 62 passes through wireless transmitting module, wireless receiving module and control module and connects, the staff can control telescopic link 62's shortening through control module, when shortening telescopic link 62 downwards, telescopic link 62's top drives annular circle 61 and moves downwards, annular circle 61 extrudees the bottom of first buckle 31, second buckle 32 downwards, thereby make the bottom of first buckle 31, second buckle 32 inwards rotate respectively, make the top of first buckle 31, second buckle 32 outwards rotate respectively, thereby release the block state of interior pothook 33, so that base 1 drives the earth connection and moves downwards.
As shown in fig. 7-8, the outer sides of the bottom ends of the first buckle 31 and the second buckle 32 are respectively provided with a rectangular groove 71, a strip-shaped plate 72 is slidably arranged in the rectangular groove 71, the inner wall of the annular ring 61 is in contact with the outer side of the strip-shaped plate 72, and a spring 73 is arranged between the strip-shaped plate 72 and the inner bottom surface of the rectangular groove 71.
In use, when the annular ring 61 moves downwards, the inner wall of the annular ring 61 contacts and presses the outer side surface of the strip-shaped plate 72, the inner wall of the annular ring 61 presses the bottom end of the strip-shaped plate 72, so that the spring 73 at the bottom end of the strip-shaped plate 72 is compressed and shortened, and the bottom end of the strip-shaped plate 72 deflects inwards by a certain angle, so that the inner wall of the annular ring 61 is always well attached to the outer side surface of the bottom end of the strip-shaped plate 72, the abrasion degree on the inner wall of the annular ring 61 is reduced, and the service life of the annular ring 61 is prolonged appropriately.
The foregoing is only a preferred embodiment of the present application, but the scope of the present application is not limited thereto, and any person skilled in the art, who is within the scope of the present application, should make equivalent substitutions or modifications according to the technical scheme of the present application and the inventive concept thereof, and should be covered by the scope of the present application.
Claims (5)
1. The automatic buckling grounding contact device comprises a base (1) which is vertically arranged, wherein a cylindrical cavity is formed in the base (1) along the vertical direction, and the automatic buckling grounding contact device is characterized in that an annular plate (2) is horizontally fixed at the top end of the base (1) along the circumferential direction of the base, and a ground wire connecting column (21) is arranged on the annular plate (2);
the edge of the annular plate (2) is rotationally provided with a first buckle (31) and a second buckle (32), the first buckle (31) and the second buckle (32) are oppositely distributed, the top ends of the first buckle (31) and the second buckle (32) are respectively provided with an inner clamping hook (33), the inner clamping hooks (33) are positioned above the annular plate (2), the bottom ends of the first buckle (31) and the second buckle (32) are respectively provided with an outer clamping hook (34), the outer clamping hooks (34) are positioned below the annular plate (2), the bottom ends of the first buckle (31) and the second buckle (32) are respectively inclined outwards, and the rotating radius of the inner clamping hooks (33) is larger than that of the outer clamping hooks (34);
a first reset piece (35) is arranged between the bottom end of the first buckle (31) and the side wall of the base (1), and a second reset piece (36) is arranged between the bottom end of the second buckle (32) and the side wall of the base (1);
the first buckle (31) and the second buckle (32) are respectively provided with a blocking block (51) on one side close to each other, and when the two inner clamping hooks (33) are clamped in the grooves above the protruding parts of the metal rods at the top ends of the insulating rods, the bottom surfaces of the blocking blocks (51) are abutted against the top surfaces of the edges of the annular plates (2);
a cylindrical barrel (41) is fixed on the top surface of the annular plate (2), a conical through hole is formed in the annular plate (2), and the bottom end of an inner cavity of the cylindrical barrel (41) and the top end of a cylindrical cavity in the base (1) are communicated with each other through the conical through hole;
a plurality of strip-shaped grooves (42) are formed in the side wall of the cylindrical barrel (41) along the circumferential direction, the top ends of the strip-shaped grooves (42) extend to the top end of the cylindrical barrel (41), and the bottom ends of the strip-shaped grooves (42) are in rounded transition;
the outer circumferences of the bottom ends of the first buckle (31) and the second buckle (32) are provided with annular rings (61) in a sliding mode, the top surface of the chassis of the base (1) is provided with telescopic rods (62), and the top ends of the telescopic rods (62) are fixedly connected with the bottom surface of the annular rings (61);
rectangular grooves (71) are formed in the outer sides of the bottoms of the first buckle (31) and the second buckle (32), strip-shaped plates (72) are arranged in the rectangular grooves (71) in a sliding mode, the inner wall of the annular ring (61) is abutted to the outer sides of the strip-shaped plates (72), and springs (73) are arranged between the strip-shaped plates (72) and the inner bottom surfaces of the rectangular grooves (71).
2. The automatic snap-in ground contact apparatus of claim 1, wherein: notch (22) have been seted up at the edge of annular board (2), first buckle (31), second buckle (32) rotate through pivot (37) and set up in the inside of notch (22) respectively.
3. The automatic snap-in ground contact apparatus of claim 2, wherein: the first reset piece (35) and the second reset piece (36) are torsion springs, and the torsion centers of the two torsion springs are respectively overlapped with the central lines of the two rotating shafts (37).
4. The automatic snap-in ground contact apparatus of claim 3 wherein: the inner sides of the first buckle (31) and the second buckle (32) are respectively provided with a containing groove (38), one end of the torsion spring is positioned in the containing groove (38), and the other end of the torsion spring is abutted against the outer wall of the base (1).
5. The automatic snap-in ground contact apparatus of claim 4, wherein: the blocking block (51) is provided with a threaded through hole, the center line direction of the threaded through hole and the height direction of the blocking block (51) are parallel to each other, and the threaded through hole is internally connected with a bolt (52) through threads.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311104067.5A CN116865007B (en) | 2023-08-30 | 2023-08-30 | Automatic buckle ground contact device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311104067.5A CN116865007B (en) | 2023-08-30 | 2023-08-30 | Automatic buckle ground contact device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108551009A (en) * | 2018-05-10 | 2018-09-18 | 广东电网有限责任公司 | A kind of ground wire suspension arrangement |
| CN110048334A (en) * | 2019-05-15 | 2019-07-23 | 榆林市电力检修有限公司 | Enclosed switchgear novel intelligent ground line |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108551009A (en) * | 2018-05-10 | 2018-09-18 | 广东电网有限责任公司 | A kind of ground wire suspension arrangement |
| CN110048334A (en) * | 2019-05-15 | 2019-07-23 | 榆林市电力检修有限公司 | Enclosed switchgear novel intelligent ground line |
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