CN113471727B - Grounding wire device - Google Patents
Grounding wire device Download PDFInfo
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- CN113471727B CN113471727B CN202110836097.XA CN202110836097A CN113471727B CN 113471727 B CN113471727 B CN 113471727B CN 202110836097 A CN202110836097 A CN 202110836097A CN 113471727 B CN113471727 B CN 113471727B
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- Prior art keywords
- rotating disc
- clamping head
- pressing plate
- handle
- movable pressing
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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
- 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
- H01R11/22—End pieces terminating in a spring clip
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Abstract
The invention relates to the technical field of electric power overhaul equipment and discloses a grounding wire device, which comprises a chuck, a movable pressing plate, an elastic assembly, a handle and a rotating assembly, wherein the chuck comprises an upper chuck, a lower chuck and a connecting rod; the movable pressing plate is arranged between the upper chuck and the lower chuck; the elastic component is connected between the lower chuck and the movable pressing plate; the handle is rotationally connected with one end of the connecting rod, a pull rope is arranged in the handle and connected with the handle, and the pull rope is used for driving the movable pressing plate to be close to the lower chuck; the rotating assembly is arranged on the handle and comprises a gear and a driving piece, and the driving piece is used for driving the gear to rotate. The grounding wire device provided by the invention can effectively prevent the clamping head from falling off when clamping the busbar, can adapt to the busbar with different arrangement modes, and improves the working efficiency.
Description
Technical Field
The invention relates to the technical field of electric power overhaul equipment, in particular to a grounding wire device.
Background
In a power system, a ground wire is an important tool for guiding current into the ground when voltage accidentally appears on equipment and lines that have been powered off, and ensuring the safety of workers. At present, in the grounding process of a power supply system, a worker needs to wear insulating gloves to carry out spiral screwing or unscrewing operation, so that a spiral operation head clamps a transformer busbar, and the operation is very inconvenient. In addition, because the direction of the lead end of the grounding wire and the insulating rod is fixed, if the grounding wire meets the longitudinal arrangement of the busbar, the insulating rod of the grounding wire can be blocked by the busbar, so that the grounding wire cannot be used. In the prior art, clamping devices capable of rotating relative to the direction of the connecting hole exist, but as the clamping heads of the clamping devices are usually two similar flat plates clamped on the ground wire busbar, the clamping devices are easy to fall off if the clamping plates at the two sides are slightly loosened.
Disclosure of Invention
The invention aims to provide a grounding wire device which can effectively prevent a clamp head from falling off when clamping a busbar, adapt to the busbar with different arrangement modes and improve the working efficiency.
To achieve the purpose, the invention adopts the following technical scheme:
a ground wire apparatus, comprising:
the clamping head comprises an upper clamping head, a lower clamping head and a connecting rod, wherein the upper clamping head and the lower clamping head are parallel and are arranged on the connecting rod at intervals, the connecting rod is provided with a grounding terminal, the connecting rod is electrically connected with the upper clamping head, and one end of the connecting rod is provided with gear teeth;
the movable pressing plate is arranged between the upper chuck and the lower chuck;
the elastic component is connected between the lower chuck and the movable pressing plate and used for driving the movable pressing plate to be close to the upper chuck;
the handle is rotationally connected with one end of the connecting rod, a pull rope is arranged in the handle and connected with the handle, and the pull rope is used for driving the movable pressing plate to be close to the lower chuck;
the rotating assembly is arranged on the handle and comprises a gear and a driving piece, the gear is meshed with the gear teeth, and the driving piece is used for driving the gear to rotate.
Preferably, the elastic assembly includes:
one end of the first telescopic arm is arranged on the lower chuck;
the second telescopic arm is connected with the movable pressing plate and is connected with the first telescopic arm in a sliding manner, and the pull rope penetrates through the first telescopic arm to be connected with the second telescopic arm;
and two ends of the spring are respectively abutted against the lower chuck and the movable pressing plate.
Preferably, the device further comprises a base, wherein the base is arranged on the handle, the base is rotationally connected with the connecting rod, and the gear is rotationally arranged on the base.
Preferably, the device further comprises a knob, wherein the knob is in threaded connection with the handle, and the knob is connected with one end of the pull rope.
Preferably, the device further comprises a roller assembly, wherein the roller assembly comprises:
the first roller is rotatably arranged on the lower chuck;
the second roller is rotatably arranged on the connecting rod;
the third roller is rotatably arranged on the base;
one end of the pull rope is connected to the second telescopic arm, and the other end of the pull rope is sequentially wound on the first roller, the second roller and the third roller and is connected to the knob.
Preferably, the device further comprises a winding mechanism, wherein the winding mechanism comprises:
the wire box is provided with a first opening and a second opening;
the central shaft is fixedly arranged in the wire box;
the coil spring is arranged in the wire box, and one end of the coil spring is fixed to the central shaft;
the rotating disc is sleeved outside the central shaft, and the other end of the coil spring is fixedly arranged on the rotating disc;
the grounding wire is wound outside the rotating disc, two ends of the grounding wire are a conductor end and a grounding end respectively, the conductor end penetrates through the first opening to be connected with the grounding terminal, and the grounding end of the grounding wire penetrates through the second opening to be grounded.
Preferably, the rotating disc comprises a first rotating disc, a second rotating disc and a connecting sleeve, wherein the connecting sleeve collet is arranged between the first rotating disc and the second rotating disc to form a containing groove for containing the grounding wire, the connecting sleeve is sleeved outside the central shaft, and the inner wall of the connecting sleeve is connected with one end of the coil spring.
Preferably, the wire box is provided with a bayonet lock opening, the bayonet lock is arranged along the radial direction of the wire box in a sliding manner, a plurality of limiting blocks are arranged on the first rotating disc and/or the second rotating disc, the limiting blocks are uniformly distributed along the circumferential direction of the first rotating disc and/or the second rotating disc, and the bayonet lock is inserted between two adjacent limiting blocks and used for limiting the rotation of the rotating discs.
Preferably, the device further comprises a first positioning piece and a second positioning piece, wherein the first positioning piece and the second positioning piece are respectively arranged at the tail ends of two ends of the grounding wire, the width of the first positioning piece is larger than that of the first opening, and the width of the second positioning piece is larger than that of the second opening.
Preferably, the handle is fixedly provided with a supporting seat, and the driving piece is arranged on the supporting seat.
The invention has the beneficial effects that:
the invention provides a grounding wire device, wherein a pull rope is connected with a movable pressing plate, an elastic component is arranged between the movable pressing plate and a lower chuck, the pull rope drives the movable pressing plate to be close to the lower chuck, meanwhile, the movable pressing plate can compress the elastic component to enable the elastic component to be in a contracted state for storing energy, after a busbar is clamped between an upper chuck and the movable pressing plate, the pull rope is released, and the movable pressing plate automatically approaches to the upper chuck under the action of the elastic force of the elastic component, so that the upper chuck and the movable pressing plate clamp the busbar, and the situation that the clamp is dropped when the busbar is clamped by the clamp is prevented. Through gear and teeth of a cogwheel meshing, driving piece drive gear rotates, and then drives chuck rotation for the chuck can rotate certain angle for the handle, makes the female row of chuck adaptable different arrangement, improves work efficiency.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following description will briefly explain the drawings needed in the description of the embodiments of the present invention, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings may be obtained according to the contents of the embodiments of the present invention and these drawings without inventive effort for those skilled in the art.
Fig. 1 is a schematic structural diagram of a ground wire device according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a ground wire device according to an embodiment of the present invention;
FIG. 3 is a schematic view of a rotary assembly according to an embodiment of the present invention;
FIG. 4 is an enlarged schematic view of FIG. 1A;
FIG. 5 is a schematic view of a handle according to an embodiment of the present invention;
FIG. 6 is a schematic structural view of a winding mechanism according to an embodiment of the present invention;
fig. 7 is a schematic structural view of a rotating disc according to an embodiment of the present invention.
In the figure:
1. a chuck; 11. an upper chuck; 12. a lower chuck; 13. a connecting rod; 131. gear teeth;
2. a movable pressing plate;
3. an elastic component; 31. a first telescopic arm; 32. a second telescopic arm; 33. a spring;
4. a handle; 41. a support base;
5. a pull rope;
6. a rotating assembly; 61. a gear; 62. a driving member;
7. a base;
8. a knob;
9. a roller assembly; 91. a first roller; 92. a second roller; 93. a third roller;
100. a wire box; 1001. a first opening; 1002. a second opening;
101. a central shaft;
102. a coil spring;
103. a rotating disc; 1031. a first rotating disc; 1032. a second rotating disc; 1033. a connecting sleeve; 1034. a limiting block;
104. a ground wire; 1041. a conductor end; 1042. a grounding end;
105. a bayonet lock;
106. a first positioning member;
107. and a second positioning piece.
Detailed Description
In order to make the technical problems solved, the technical scheme adopted and the technical effects achieved by the invention more clear, the technical scheme of the invention is further described below by a specific embodiment in combination with the attached drawings. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting thereof. It should be further noted that, for convenience of description, only some, but not all of the drawings related to the present invention are shown.
As shown in fig. 1 to 3, the grounding wire device provided in this embodiment includes a chuck 1, a movable platen 2, an elastic assembly 3, a handle 4 and a rotating assembly 6, wherein the chuck 1 includes an upper chuck 11, a lower chuck 12 and a connecting rod 13, the upper chuck 11 and the lower chuck 12 are parallel and are arranged on the connecting rod 13 at intervals, the connecting rod 13 is provided with a grounding terminal, the connecting rod 13 is electrically connected to the upper chuck 11, and one end of the connecting rod 13 is provided with gear teeth 131; the movable pressing plate 2 is arranged between the upper clamping head 11 and the lower clamping head 12; the elastic component 3 is connected between the lower clamping head 12 and the movable pressing plate 2 and is used for driving the movable pressing plate 2 to be close to the upper clamping head 11; the handle 4 is rotationally connected with one end of the connecting rod 13, a pull rope 5 is arranged in the handle 4, the pull rope 5 is connected with the handle 4, and the pull rope 5 is used for driving the movable pressing plate 2 to be close to the lower clamping head 12; the rotating assembly 6 is arranged on the handle 4, the rotating assembly 6 comprises a gear 61 and a driving piece 62, the gear 61 is meshed with the gear teeth 131, and the driving piece 62 is used for driving the gear 61 to rotate.
According to the grounding wire device provided by the embodiment, the pull rope 5 is connected with the movable pressing plate 2, the elastic component 3 is arranged between the movable pressing plate 2 and the lower clamping head 12, the pull rope 5 drives the movable pressing plate 2 to be close to the lower clamping head 12, meanwhile, the movable pressing plate 2 can compress the elastic component 3, the elastic component 3 is in a contracted state to store energy, after the upper clamping head 11 and the movable pressing plate 2 clamp a busbar, the pull rope 5 is released, the movable pressing plate 2 is automatically close to the upper clamping head 11 under the action of the elastic force of the elastic component 3, so that the upper clamping head 11 and the movable pressing plate 2 clamp the busbar, and falling of the clamping head 1 is prevented when the busbar is clamped. Through the meshing of gear 61 and teeth 131, drive piece 62 drive gear 61 rotates, and then drives chuck 1 rotation for chuck 1 can rotate certain angle for handle 4, makes chuck 1 can adapt to the female row of different arrangement modes, improves work efficiency.
Further, as shown in fig. 4, the elastic assembly 3 includes a first telescopic arm 31, a second telescopic arm 32 and a spring 33, wherein one end of the first telescopic arm 31 is disposed on the lower chuck 12; the second telescopic arm 32 is connected to the movable pressing plate 2, the second telescopic arm 32 is connected to the first telescopic arm 31 in a sliding manner, and the pull rope 5 passes through the first telescopic arm 31 to be connected to the second telescopic arm 32; the two ends of the spring 33 are respectively abutted against the lower clamping head 12 and the movable pressing plate 2. When the busbar clamping device is used, the second telescopic arm 32 is pulled by the pull rope 5, the movable pressing plate 2 is driven to move by the second telescopic arm 32, the movable pressing plate 2 moves towards the direction of the lower clamping head 12, the second telescopic arm 32 is retracted into the first telescopic arm 31, the distance between the upper clamping head 11 and the movable pressing plate 2 is increased, a busbar is conveniently placed between the upper clamping head 11 and the movable pressing plate 2, when the movable pressing plate 2 moves towards the direction of the lower clamping head 12, the spring 33 stores energy due to shrinkage, after the busbar is placed between the upper clamping head 11 and the movable pressing plate 2, the pull rope 5 is released, the second telescopic arm 32 is in a free state due to the fact that the pull rope 5 is not pulled, the spring 33 drives the movable pressing plate 2 to move towards the direction of the upper clamping head 11 due to elastic deformation to restore, the distance between the upper clamping head 11 and the movable pressing plate 2 is reduced, the second telescopic arm 32 stretches out of the first telescopic arm 31, and simultaneously the upper clamping head 11 and the movable pressing plate 2 clamp the busbar. When the clamp 1 is removed, the pull rope 5 is pulled, the movable clamp plate 2 moves towards the lower clamp 12, the distance between the upper clamp 12 and the movable clamp plate 2 is increased, the clamp 1 is removed from the busbar, and then the pull rope 5 is released. Through setting up the elastic component 3, can prevent effectively that chuck 1 from pressing from both sides when solid female arranging from both sides and coming off, make chuck 1 can press from both sides tight female arranging all the time, improve work efficiency. In this embodiment, the two ends of the spring 33 may be fixed to the movable platen 2 and the lower chuck 12, respectively, or may not be fixed to the movable platen 2 and the lower chuck 12, or may be fixed to only one of the movable platen 2 and the lower chuck 12, in other embodiments. In other embodiments, the pull cord 5 may be directly connected to the movable platen 2. In this embodiment, the elastic component 3 may be provided with a plurality of elastic components 3, and the plurality of elastic components 3 are uniformly spaced along the length direction of the lower chuck 12, and when the plurality of elastic components 3 are provided to enable the upper chuck 11 and the movable pressing plate 2 to clamp the busbar, the busbar is uniformly stressed, and in this embodiment, the elastic components 3 are provided with three elastic components.
Further, as shown in fig. 3 and 5, the grounding wire device provided in this embodiment further includes a base 7, the base 7 is disposed on the handle 4, the base 7 is rotationally connected with the connecting rod 13, and the gear 61 is rotationally disposed on the base 7. Specifically, the base 7 is U type structure, and base 7 sets up in the one end of handle 4, and the teeth of a cogwheel 131 on the connecting rod 13 rotate and set up in base 7, rotates on the base 7 and is provided with gear 61, and gear 61 and teeth of a cogwheel 131 meshing, driving piece 62 drive gear 61 rotation, and gear 61 drives the teeth of a cogwheel 131 rotation rather than meshing, can make chuck 1 rotate certain angle for handle 4 to can make the female arranging of chuck 1 centre gripping different range forms, convenient operation just improves work efficiency. In this embodiment, the handle 4 is further fixedly provided with a supporting seat 41, the supporting seat 41 is sleeved at one end of the handle 4, and in other embodiments, the supporting seat 41 can also be directly fixed on the side wall of the handle 4, the driving piece 62 is arranged on the supporting seat 41, the driving end of the driving piece 62 is connected with the gear 61 and used for driving the gear 61 to rotate, in this embodiment, the driving piece 62 is a motor, the chuck 1 can be automatically controlled by the motor to rotate for a certain angle relative to the handle 4, the working efficiency is improved, the operation is convenient, and the control button is arranged on the handle 4 and used for controlling the starting and stopping of the motor.
Further, as shown in fig. 2, the grounding wire device provided in this embodiment further includes a knob 8 and a roller assembly 9, the knob 8 is screwed to the handle 4, and the knob 8 is connected to one end of the pull cord 5. The roller assembly 9 comprises a first roller 91, a second roller 92 and a third roller 93, wherein the first roller 91 is rotatably arranged on the lower chuck 12; the second roller 92 is rotatably arranged on the connecting rod 13; the third roller 93 is rotatably arranged on the base 7; one end of the pull rope 5 is connected to the second telescopic arm 32, and the other end of the pull rope 5 is sequentially wound around the first roller 91, the second roller 92 and the third roller 93 and connected to the knob 8. In this embodiment, a first roller 91 is disposed under one elastic component 3, each elastic component 3 is connected to a pull cord 5, and all the pull cords 5 connected to the elastic components 3 are wound around the second roller 92 and the third roller 93. The joint of the chuck 1 and the handle 4 is provided with a third roller 93, the third roller 93 is rotatably arranged on the base 7, and the third roller 93 is erected between two side walls of the base 7.
Specifically, before the busbar is clamped, the knob 8 is rotated first, the pull rope 5 is fixed on the knob 8, when the knob 8 rotates, the pull rope 5 is continuously wound on the knob 8, the other end of the pull rope 5 pulls the second telescopic arm 32 to move, and then the movable pressing plate 2 is pulled to move towards the direction of the lower clamping head 12, so that the distance between the upper clamping head 11 and the movable pressing plate 2 is increased, the busbar is conveniently clamped, the first roller 91, the second roller 92 and the third roller 93 are arranged between the knob 8 and the second telescopic arm 32, and when the pull rope 5 is conveniently pulled, the pull rope 5 is more labor-saving and the contact between the pull rope 5 and the clamping head 1 and the handle 4 is reduced, and the pull rope 5 is pulled for a long time to disconnect the pull rope 5. After the busbar is clamped, the pull rope 5 is released, the movable pressing plate 2 moves towards the upper clamping head 11 under the action of the elastic force of the spring 33, the busbar is clamped, and meanwhile the pull rope 5 is restored.
Further, as shown in fig. 6 and 7, the grounding wire device provided in this embodiment further includes a winding mechanism, where the winding mechanism includes a wire box 100, a central shaft 101, a coil spring 102, a rotating disc 103 and a grounding wire 104, a first opening 1001 and a second opening 1002 are provided on the wire box 100, the central shaft 101 is fixedly disposed in the wire box 100, the coil spring 102 is disposed in the wire box 100, one end of the coil spring 102 is fixed to the central shaft 101, the rotating disc 103 is sleeved outside the central shaft 101, the other end of the coil spring 102 is fixedly disposed on the rotating disc 103, the grounding wire 104 is wound outside the rotating disc 103, two ends of the grounding wire 104 are a conductor end 1041 and a grounding end 1042, the conductor end 1041 passes through the first opening 1001 to connect with a grounding terminal, and the grounding end 1042 of the grounding wire 104 passes through the second opening 1002 to be grounded. The connecting rod 13 is provided with the ground terminal, and the earth connection 104 twines on winding mechanism, and the conductor end 1041 of earth connection 104 connects the ground terminal on the connecting rod 13, and the earth connection 1042 of earth connection 104 is used for the ground connection, sets up winding mechanism, can be when not using earth connection 104, and with earth connection 104 pull out from winding mechanism during the use, convenient to use is swift, portable and improvement work efficiency.
Specifically, the rotating disc 103 includes a first rotating disc 1031, a second rotating disc 1032, and a connection sleeve 1033, the connection sleeve 1033 is clamped between the first rotating disc 1031 and the second rotating disc 1032 to form a receiving groove for receiving the ground wire 104, the connection sleeve 1033 is sleeved outside the central shaft 101, and an inner wall of the connection sleeve 1033 is connected to one end of the coil spring 102. The ground wire 104 is wound around the connection sleeve 1033, and the conductor ends 1041 and the ground end 1042 at two ends of the ground wire 104 respectively pass through the first opening 1001 and the second opening 1002, the conductor ends 1041 are connected to the connection terminals, and the ground end 1042 is grounded. When the winding mechanism is used, the conductor end 1041 and the grounding end 1042 are pulled out from the first opening 1001 and the second opening 1002 respectively, meanwhile, the rotating disc 103 rotates relative to the central shaft 101, the coil spring 102 stores energy under the rotation of the rotating disc 103, when the winding mechanism is not used, after the conductor end 1041 and the grounding end 1042 are released, the coil spring 102 drives the rotating disc 103 to rotate relative to the central shaft 101 due to the recovery, and meanwhile, the two ends of the grounding wire 104 are wound in the accommodating groove.
Further, as shown in fig. 6, the grounding wire device provided in this embodiment further includes a bayonet 105, a bayonet opening is formed on the wire box 100, the bayonet 105 is slidably disposed along a radial direction of the wire box 100, a plurality of limiting blocks 1034 are disposed on the first rotating disk 1031 and/or the second rotating disk 1032, the plurality of limiting blocks 1034 are uniformly distributed along a circumferential direction of the first rotating disk 1031 and/or the second rotating disk 1032, and the bayonet 105 is inserted between two adjacent limiting blocks 1034 for limiting rotation of the rotating disk 103. In this embodiment, the first rotating disc 1031 and the second rotating disc 1032 are provided, so that the grounding wire 104 can be wound in the accommodating groove, and the first rotating disc 1031 and the second rotating disc 1032 are provided to cooperate with the bayonet 105, so that a certain rotating angle of the rotating disc 103 can be adjusted at any time, and the conductor ends 1041 and the grounding ends 1042 at two ends of the grounding wire 104 can be controlled conveniently with respect to the extending length of the rotating disc 103.
Further, as shown in fig. 6, the ground wire device provided in this embodiment further includes a first positioning member 106 and a second positioning member 107, where the first positioning member 106 and the second positioning member 107 are respectively disposed at the ends of two ends of the ground wire 104, the width of the first positioning member 106 is greater than the width of the first opening 1001, and the width of the second positioning member 107 is greater than the width of the second opening 1002. By providing the first positioning member 106 and the second positioning member 107, when the coil spring 102 is prevented from being restored, the conductor ends 1041 and the grounding ends 1042 at both ends of the grounding wire 104 are wound into the accommodating groove, that is, the conductor ends 1041 and the grounding ends 1042 are received into the wire box 100, and when the winding mechanism is inconvenient to use again, the conductor ends 1041 are connected with the grounding terminal on the connecting rod 13.
The use process of the grounding wire device provided in this embodiment is as follows:
when in use, the conductor end 1041 and the grounding end 1042 of the winding mechanism are respectively pulled out of the accommodating groove, and after being pulled to a proper distance, the conductor end is inserted between two adjacent limiting blocks 1034 by using the bayonet 105, so as to limit the rotation of the rotating disc 103. The conductor end 1041 is connected to a ground terminal on the connection rod 13, and the ground end 1042 is grounded, and at this time, the rotating disk 103 rotates to bring the coil spring 102 into an energy storage state. The control button on the handle 4 is started, the motor is started to enable the gear 61 to rotate, meanwhile, the gear teeth 131 meshed with the gear 61 are enabled to rotate, the clamping head 1 is enabled to rotate for a certain angle relative to the handle 4, so that the clamping head 1 is suitable for busbar with different arrangement modes, after the angle between the clamping head 1 and the handle 4 is adjusted, the control button is closed, and the motor stops rotating. The knob 8 is rotated to pull the pull rope 5, the pull rope 5 pulls the second telescopic arm 32, the second telescopic arm 32 drives the movable pressing plate 2 to move, the movable pressing plate 2 moves towards the direction of the lower clamping head 12, the second telescopic arm 32 is retracted into the first telescopic arm 31, the distance between the upper clamping head 11 and the movable pressing plate 2 is increased, a busbar is conveniently placed between the upper clamping head 11 and the movable pressing plate 2, when the movable pressing plate 2 moves towards the direction of the lower clamping head 12, the spring 33 stores energy due to shrinkage, after the busbar is placed between the upper clamping head 11 and the movable pressing plate 2, the pull rope 5 is released, the second telescopic arm 32 is in a free state due to the fact that the busbar is not pulled by the pull rope 5, the spring 33 drives the movable pressing plate 2 to move towards the direction of the upper clamping head 11 due to elastic deformation to restore, the distance between the upper clamping head 11 and the movable pressing plate 2 is reduced, and the second telescopic arm 32 extends out of the first telescopic arm 31, and simultaneously the upper clamping head 11 and the movable pressing plate 2 clamp the busbar. When the clamp 1 is taken down, the pull rope 5 is pulled, the movable clamp plate 2 moves towards the lower clamp 12, the distance between the upper clamp 11 and the movable clamp plate 2 is increased, the clamp 1 is taken down from the busbar, and then the pull rope 5 is released. Finally, the conductor end 1041 is separated from the grounding terminal, the bayonet 105 is separated from the space between the two limiting blocks 1034, and the rotating disc 103 winds the grounding wire 104 into the accommodating groove under the action of the coil spring 102.
It is to be understood that the above examples of the present invention are provided for clarity of illustration only and are not limiting of the embodiments of the present invention. Other variations or modifications of the above teachings will be apparent to those of ordinary skill in the art. It is not necessary here nor is it exhaustive of all embodiments. Any modification, equivalent replacement, improvement, etc. which come within the spirit and principles of the invention are desired to be protected by the following claims.
In the description of the present invention, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. Wherein the terms "first position" and "second position" are two different positions.
In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
Claims (4)
1. A ground wire apparatus, comprising:
the clamping head (1), the clamping head (1) comprises an upper clamping head (11), a lower clamping head (12) and a connecting rod (13), the upper clamping head (11) and the lower clamping head (12) are parallel and are arranged on the connecting rod (13) at intervals, the connecting rod (13) is provided with a grounding terminal, the connecting rod (13) is electrically connected to the upper clamping head (11), and one end of the connecting rod (13) is provided with gear teeth (131);
the movable pressing plate (2) is arranged between the upper clamping head (11) and the lower clamping head (12);
the elastic component (3) is connected between the lower clamping head (12) and the movable pressing plate (2) and is used for driving the movable pressing plate (2) to be close to the upper clamping head (11); the elastic assemblies (3) are arranged in a plurality, and the elastic assemblies (3) are uniformly arranged at intervals along the length direction of the lower chuck (12);
the elastic assembly (3) comprises a first telescopic arm (31), a second telescopic arm (32) and a spring (33), and one end of the first telescopic arm (31) is arranged on the lower chuck (12); the second telescopic arm (32) is connected to the movable pressing plate (2), the second telescopic arm (32) is connected to the first telescopic arm (31) in a sliding manner, and the pull rope (5) is arranged to penetrate through the first telescopic arm (31) and connected to the second telescopic arm (32); two ends of the spring (33) are respectively abutted against the lower chuck (12) and the movable pressing plate (2);
the handle (4) is rotationally connected with one end of the connecting rod (13), the pull rope (5) is arranged in the handle (4), the pull rope (5) is connected with the handle (4), and the pull rope (5) is used for driving the movable pressing plate (2) to be close to the lower chuck (12);
the knob (8) is in threaded connection with the handle (4), and the knob (8) is connected with one end of the pull rope (5);
the rotary assembly (6), the rotary assembly (6) is arranged on the handle (4), the rotary assembly (6) comprises a gear (61) and a driving piece (62), the gear (61) is meshed with the gear teeth (131), and the driving piece (62) is used for driving the gear (61) to rotate;
the base (7), the base (7) is arranged on the handle (4), the base (7) is rotationally connected with the connecting rod (13), and the gear (61) is rotationally arranged on the base (7);
a roller assembly (9), the roller assembly (9) comprising: a first roller (91), wherein the first roller (91) is rotatably arranged on the lower chuck (12); the second roller (92) is rotatably arranged on the connecting rod (13); the third roller (93) is rotatably arranged on the base (7); one end of the pull rope (5) is connected to the second telescopic arm (32), and the other end of the pull rope (5) is sequentially wound on the first roller (91), the second roller (92) and the third roller (93) and is connected to the knob (8);
winding mechanism, winding mechanism includes: the wire box (100), a first opening (1001) and a second opening (1002) are formed in the wire box (100); a center shaft (101), wherein the center shaft (101) is fixedly arranged in the wire box (100); a coil spring (102), wherein the coil spring (102) is arranged in the wire box (100), and one end of the coil spring (102) is fixed on the central shaft (101); the rotating disc (103), the rotating disc (103) is sleeved outside the central shaft (101), and the other end of the coil spring (102) is fixedly arranged on the rotating disc (103); the grounding wire (104) is wound outside the rotating disc (103), two ends of the grounding wire (104) are respectively provided with a conductor end (1041) and a grounding end (1042), the conductor end (1041) passes through the first opening (1001) to be connected with the grounding terminal, and the grounding end (1042) of the grounding wire (104) passes through the second opening (1002) to be grounded;
first setting element (106) and second setting element (107), first setting element (106) with second setting element (107) set up respectively in the end at earth connection (104) both ends, first setting element (106) width is greater than the width of first opening (1001), second setting element (107) width is greater than the width of second opening (1002).
2. The ground wire device according to claim 1, wherein the rotating disc (103) comprises a first rotating disc (1031), a second rotating disc (1032) and a connecting sleeve (1033), the connecting sleeve (1033) is clamped between the first rotating disc (1031) and the second rotating disc (1032) to form a containing groove for containing the ground wire (104), the connecting sleeve (1033) is sleeved outside the central shaft (101), and the inner wall of the connecting sleeve (1033) is connected to one end of the coil spring (102).
3. The ground wire device according to claim 2, further comprising a bayonet lock (105), wherein the wire box (100) is provided with a bayonet lock opening, the bayonet lock (105) is slidably disposed along a radial direction of the wire box (100), a plurality of limiting blocks (1034) are disposed on the first rotating disc (1031) and/or the second rotating disc (1032), the limiting blocks (1034) are uniformly distributed along a circumferential direction of the first rotating disc (1031) and/or the second rotating disc (1032), and the bayonet lock (105) is inserted between two adjacent limiting blocks (1034) for limiting rotation of the rotating disc (103).
4. The ground wire device according to claim 1, characterized in that the handle (4) is fixedly provided with a support seat (41), the driving member (62) being arranged at the support seat (41).
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CN114094367B (en) * | 2021-11-26 | 2024-05-14 | 贵州电网有限责任公司 | Push-pull type grounding hanging ring |
CN114156668B (en) * | 2021-12-06 | 2024-04-12 | 广东电网有限责任公司东莞供电局 | Novel grounding device with adjustable connector angle |
CN116387865B (en) * | 2023-04-20 | 2024-03-12 | 王红梅 | Power grid line binding clip |
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