CN112164904A - Live operating rod of ground clamp - Google Patents
Live operating rod of ground clamp Download PDFInfo
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- CN112164904A CN112164904A CN202010897918.6A CN202010897918A CN112164904A CN 112164904 A CN112164904 A CN 112164904A CN 202010897918 A CN202010897918 A CN 202010897918A CN 112164904 A CN112164904 A CN 112164904A
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- rotary pressing
- ground wire
- gear
- rod
- supporting
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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
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
- H01R4/28—Clamped connections, spring connections
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
- H01R4/58—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation characterised by the form or material of the contacting members
- H01R4/66—Connections with the terrestrial mass, e.g. earth plate, earth pin
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Abstract
The invention provides a live-line operating rod of a ground clamp, which relates to the technical field of electric power construction and comprises a rod body, a supporting seat, two rotary pressing claws and two supporting pieces; the supporting seat is arranged at the upper end of the rod body, and an accommodating groove is formed in the supporting seat; the middle parts of the two rotary pressing claws are respectively hinged at the upper end of the supporting seat; the two top supporting pieces are respectively arranged on two sides of the supporting seat and are in sliding connection with the supporting seat in the up-down direction. According to the electrified operating rod of the ground wire clamp, the two rotary pressing claws are used for guiding the ground wire into the accommodating groove of the supporting seat, so that the ground wire can enter quickly, the two rotary pressing claws rotate around the hinge shaft under the pressure action of the ground wire, the upper ends of the rotary pressing claws are turned to the inner side of the accommodating groove, the ground wire is pressed down by the upper ends of the rotary pressing claws, and finally, the top support fixing of the lower ends of the rotary pressing claws is realized by driving the top support piece to move upwards, so that the ground wire is effectively compacted by the rotary pressing claws, and the subsequent installation operation of the ground wire is facilitated.
Description
Technical Field
The invention belongs to the technical field of electric power construction, and particularly relates to a live-wire operating rod of a ground clamp.
Background
During power construction, the ground wire is often contacted. The grounding wire is a safety tool for temporarily short-circuiting and grounding the power-off equipment. When the high-voltage equipment is subjected to power failure maintenance, the damage to a human body caused by sudden incoming of the equipment and the generation of induced voltage by adjacent high-voltage electrified equipment can be prevented, and the residual charge of the power-off equipment can be discharged. The grounding wire mainly comprises three parts, namely a grounding end, a grounding wire and a wire clamp. The grounding is installed in the equipment maintenance process, so that not only is the life safety of an operator in the maintenance process concerned, but also the safe operation of the whole power grid in the power transmission process after the maintenance is concerned.
The existing grounding wire generally adopts a static chuck, a jointing clamp and an insulating rod are fixedly connected, although the wire clamp in the form is firmly suspended and can resist special conditions such as strong wind or cable shaking, the relative position of the grounding wire clamp and the grounding wire cannot be locked and opened in time, so that operation and maintenance personnel are inconvenient to install and detach and have various unsafe factors when installing the grounding wire on site.
Disclosure of Invention
The invention aims to provide a live-line operating rod of a ground clamp, which aims to solve the technical problems that the ground clamp can not be locked or unlocked with a ground wire in time in the using process and the fixing effect of the ground clamp is poor in the prior art.
In order to achieve the purpose, the invention adopts the technical scheme that: the utility model provides a live operating rod of a grounding wire clamp, which comprises a rod body, a supporting seat, two rotary pressing claws and two supporting pieces; the supporting seat is arranged at the upper end of the rod body, and an accommodating groove with an upward opening and used for accommodating a ground wire is arranged on the supporting seat; the middle parts of the two rotary pressing claws are respectively hinged to the upper end of the supporting seat, the hinged shaft extends along the trend of the ground wire, and the upper ends of the two rotary pressing claws are used for pressing the ground wire downwards into the accommodating groove; the two supporting pieces are respectively arranged on two sides of the supporting seat and are in sliding connection with the supporting seat in the up-down direction;
the rotary pressing claw has an opening state and a closing state, and when the rotary pressing claw is in the closing state, the top supporting piece is used for upwards supporting the inner side face of the lower end of the rotary pressing claw so that the upper end of the rotary pressing claw presses the ground wire downwards.
As another embodiment of this application, the below of supporting seat still is equipped with and is used for with body of rod normal running fit's fixing base, and the lower part of fixing base is equipped with the downward cavity of opening, and the upper end of the body of rod is equipped with and is located the cavity and with fixing base normal running fit's drive gear, and drive gear links to each other with the top support piece and is used for driving the top support piece and reciprocates.
As another embodiment of the present application, two sides of the supporting seat are respectively provided with a matching seat for mounting a top support, and the top support comprises a first gear, a second gear and a screw;
the first gear is meshed with the driving gear and is in rotating fit with the fixed seat;
the second gear is meshed with the first gear;
the lower end of the screw rod is connected with the top surface of the second gear and is in threaded connection with the fixed seat;
the fixed seat is also provided with an avoiding hole which is used for enabling the second gear to protrude outwards and to be meshed with the first gear.
As another embodiment of this application, the upper end of screw rod still is equipped with the butt platform that is used for with rotatory pressure claw butt, and the butt platform is the cone, and the lower extreme external diameter of butt platform is greater than the external diameter of screw rod.
As another embodiment of the present application, an elastic supporting member is further disposed in the accommodating groove, and the elastic supporting member includes a supporting plate and a plurality of elastic elements;
the supporting plate is used for supporting the ground wire;
the elastic elements are arranged between the bottom surface of the supporting plate and the inner wall of the accommodating groove, and the extension lines of the axes of the elastic elements are intersected at one point.
As another embodiment of this application, the both sides of supporting seat are equipped with the mounting groove that is used for holding rotatory pressure claw respectively, and the articulated shaft sets up in the mounting groove.
As another embodiment of the application, the ground clamp hot-line operation rod further comprises an auxiliary rod positioned at the lower end of the rod body, a rectangular block is arranged at the upper end of the auxiliary rod, a rectangular groove with a downward opening and used for accommodating the rectangular block is formed in the lower end of the rod body, and the rectangular block and the rectangular groove are fixed through a pin shaft.
As another embodiment of this application, the lower extreme periphery of the body of rod still is equipped with the connecting seat of being connected with the body of rod rotation, and the periphery of the body of rod is equipped with first bevel gear, and the other end of auxiliary rod still is equipped with and is used for the second bevel gear who drives first bevel gear rotation with first bevel gear meshing, and the main shaft of second bevel gear sets up in the connecting seat along the horizontal direction.
As another embodiment of this application, the lower extreme of rotatory pressure claw extends to one side that is kept away from the holding tank down, is equipped with the arc arch that receives the ground wire to push down so that the upper end of rotatory pressure claw rotates to the inboard on the adjacent side of two rotatory pressure claws.
As another embodiment of the application, a first magnet is arranged on the upper end face of one rotary pressing claw, and a second magnet which is mutually attracted with the first magnet is arranged on the upper end face of the other rotary pressing claw.
The ground clamp live-line operating rod provided by the invention has the beneficial effects that: compared with the prior art, the ground wire clamp live operating rod provided by the invention has the advantages that the two rotary pressing claws are utilized to guide the ground wire into the accommodating groove of the supporting seat, the ground wire can conveniently and quickly enter the accommodating groove, the two rotary pressing claws rotate around the hinge shaft under the pressure action of the ground wire, the upper ends of the rotary pressing claws are turned to the inner side of the accommodating groove, the ground wire is pressed down by utilizing the upper ends of the rotary pressing claws, finally, the jacking fixing of the lower ends of the rotary pressing claws is realized by driving the jacking part to move upwards, the effective compaction of the rotary pressing claws on the ground wire is ensured, the subsequent installation operation on the ground wire is convenient, after the installation is finished, the rotary pressing claws are loosened by driving the jacking part to move downwards, and finally, the supporting rod is pulled downwards to enable the ground wire to be separated from.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise.
FIG. 1 is a schematic view, partially in section, showing the structure of a ground clamp according to a first embodiment of the present invention, in an open state of a rotary clamping jaw;
FIG. 2 is a schematic view of a partially cut-away structure of a first embodiment of a hot-line operating rod of a ground clamp according to the present invention in a closed use state of a rotating clamping jaw;
FIG. 3 is a schematic view of a ground clamp according to a second embodiment of the present invention, with a rotating clamping jaw in an open state;
FIG. 4 is a schematic view of a ground clamp with a hot-line operating rod according to the present invention, in a partially cross-sectional configuration, in a closed state of use of a rotating clamping jaw;
FIG. 5 is a schematic view of a ground clamp with an open rotating clamping jaw according to a third embodiment of the present invention;
FIG. 6 is a schematic view of a ground clamp with a hot-line operating rod according to a third embodiment of the present invention, with a partial cross-sectional structure showing a closed state of a rotating pressing claw;
fig. 7 is a left side view structural schematic diagram of a supporting seat and a rotary pressing claw of a first embodiment of a live-wire operating rod of a ground clamp provided by the invention.
Wherein, in the figures, the respective reference numerals:
1. a rod body; 11. a fixed seat; 121. a drive gear; 122. a first bevel gear; 123. avoiding holes; 13. a connecting seat; 131. a rectangular groove; 132. a pin shaft; 14. a mating seat; 2. a supporting seat; 21. accommodating grooves; 22. mounting grooves; 3. rotating the pressing claw; 31. hinging a shaft; 32. an arc-shaped bulge; 331. a first magnet; 332. a second magnet; 34. a torsion spring; 4. a top support; 41. a first gear; 42. a second gear; 411. a butting table; 43. a screw; 5. an elastic bearing member; 51. a support plate; 52. an elastic element; 6. an auxiliary lever; 61. a rectangular block; 62. a second bevel gear; 7. and a ground line.
Detailed Description
In order to make the technical problems, technical solutions and advantageous effects to be solved by the present invention more clearly apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
It will be understood that when an element is referred to as being "disposed on" another element, it can be directly on the other element or be indirectly on the other element. It will be understood that the terms "length," "width," "upper," "lower," "front," "rear," "top," "bottom," "inner," "outer," and the like are used in the orientation or positional relationship indicated in the drawings for ease of description and simplicity of description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed in a particular orientation, and be constructed in a particular operation, and are therefore not to be considered limiting. The terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a number" means two or more unless specifically limited otherwise.
Referring to fig. 1 to 7, the live operating rod of the ground clamp of the present invention will now be described.
The first embodiment is as follows:
the live operating rod of the grounding wire clamp comprises a rod body 1, a supporting seat 2, two rotary pressing claws 3 and two top supporting pieces 4; the supporting seat 2 is arranged at the upper end of the rod body 1, and an accommodating groove 21 with an upward opening and used for accommodating the ground wire 7 is formed in the supporting seat 2; the middle parts of the two rotary pressing claws 3 are respectively hinged at the upper ends of the supporting seats 2, the hinged shafts 31 extend along the trend of the ground wire, and the upper ends of the two rotary pressing claws 3 are used for pressing the ground wire 7 downwards into the accommodating groove 21; the two top supporting pieces 4 are respectively arranged on two sides of the supporting seat 2 and are in sliding connection with the supporting seat 2 in the up-down direction;
the rotating pressing claw 3 has two states of opening and closing, and when the rotating pressing claw 3 is in the closed state, the top support piece 4 is used for supporting the inner side surface of the lower end of the rotating pressing claw 3 upwards so that the upper end of the rotating pressing claw 3 presses the ground wire 7 downwards.
Compared with the prior art, the ground wire clamp live-line operating rod provided by the invention has the advantages that the two rotary pressing claws 3 are utilized to guide the ground wire 7 into the accommodating groove 21 of the supporting seat 2, so that the ground wire 7 can rapidly enter the accommodating groove 21. Under the pressure effect of ground wire 7, two rotatory pressure claws 3 are rotatory around articulated shaft 31, make the upper end of rotatory pressure claw 3 turn to the holding tank 21 inboard, utilize the upper end of rotatory pressure claw 3 to push down ground wire 7, finally, it is fixed to realize the shoring of rotatory pressure claw 3 lower extreme through driving shoring piece 4 to shift up, guarantee the effective compaction of rotatory pressure claw 3 to ground wire 7, be convenient for carry out the installation operation to ground wire 7, after the installation is accomplished, realize the unclamping to rotation pressure claw 3 through driving shoring piece 4 to shift down, pull-down branch makes ground wire 7 deviate from holding tank 21 at last, the effectual speed that resets that has improved ground wire 7, be convenient for improve operating efficiency.
The supporting base 2 is a U-shaped member and is an insulating member. In order to achieve an effective support of the ground wire 7 in the axial direction, the support body 2 has a certain length in the axial direction of the ground wire 7. Rotatory pressure claw 3 sets up in the middle part of supporting seat 2 length direction, and is articulated with supporting seat 2 through articulated shaft 31. The axial middle part of supporting seat 2 has been set up and has been used for holding rotatory clamping jaw 3 mounting groove 22, and articulated shaft 31 is installed in mounting groove 22 along the holding tank 21 link up fixed direction.
In this embodiment, the upper end of the rotary pressing claw 3 refers to a position above the hinge shaft 31 when the rotary pressing claw 3 is closed, the upper end of the rotary pressing claw 3 refers to a position below the hinge shaft 31, the inner side surface of the upper end of the rotary pressing claw 3 refers to a side surface where the rotary pressing claw 3 is closed, the two rotary pressing claws 3 are close to each other, and when the ground wire 7 enters the accommodating groove 21, the inner side surface of the lower end of the rotary pressing claw 3 is pressed, so that the lower end of the rotary pressing claw 3 is opened to the outside, and a space is provided for the ground wire 7. The both sides of supporting seat 2 are equipped with mounting groove 22 respectively, and articulated shaft 31 sets up in mounting groove 22, and rotatory claw 3 that presses also sets up in holding tank 21.
When the rotary pressing claw 3 is in an opening state, the upper end is opened towards the back-away outer side, and the lower end is folded towards the close inner side. When the rotary pressing claw 3 is in a closed state, the upper end is folded towards the inner side close to the rotary pressing claw, and the lower end is opened towards the outer side away from the rotary pressing claw. In order to avoid the excessive opening of the upper end of the rotary pressing claw 3 to the outside when the rotary pressing claw 3 is opened, a torsion spring 34 is arranged between the hinging shaft 31 and the inner wall of the containing groove 21, one end of the torsion spring 34 is connected with the rotary pressing claw 3, the other end of the torsion spring is connected with the inner wall of the installing groove 22 and used for keeping the rotary pressing claw 3 at a position close to the horizontal position, when the ground wire 7 falls into the containing groove 21, the ground wire 7 presses the inner side surface of the lower end of the rotary pressing claw 3 downwards under the action of gravity, the upper end of the rotary pressing claw 3 is folded to the inside.
Referring to fig. 1, 2 and 7, a fixing seat 11 for rotatably matching with the rod body 1 is further disposed below the supporting seat 2, a cavity with a downward opening is disposed at a lower portion of the fixing seat 11, a driving gear 121 disposed in the cavity and rotatably matching with the fixing seat 11 is disposed at an upper end of the rod body 1, and the driving gear 121 is connected with the top supporting member 4 and is used for driving the top supporting member 4 to move up and down.
The body of rod 1 can also take place axial rotation when effectively supporting the support seat 2 and holding in the palm. The driving gear 121 is driven to rotate through the rotation of the rod body 1, so that the top supporting piece 4 is driven to move up and down, the effective top support of the inner side surface of the lower end of the rotating pressing claw 3 is realized, and the pressing-down limit of the upper end of the rotating pressing claw 3 to the ground wire 7 is guaranteed.
The two sides of the supporting seat 2 are respectively provided with a matching seat 14 for installing a top support piece 4, and the top support piece 4 comprises a first gear 41, a second gear 42 and a screw 43; the first gear 41 is meshed with the driving gear 121 and is in running fit with the fixed seat 11; the second gear 42 is meshed with the first gear 41; the lower end of the screw 43 is connected with the top surface of the second gear 42 and is in threaded connection with the fixed seat 11; the fixing base 11 is further provided with a relief hole 123 for allowing the second gear 42 to protrude outward and engage with the first gear 41.
The avoiding hole 123 can avoid a space for the first gear 41, so that the first gear 41 and the second gear 42 can form a reliable meshing effect, and the first gear 41 can effectively drive the second gear 42.
The two sides of the supporting seat 2 are provided with matching seats 14 for matching with the top support piece 4 in a threaded manner. The internal thread has been set up in the cooperation seat 14, cooperatees with the external thread of screw rod 43, drives first gear 41 through below drive gear 121, and then drives the second gear 42 rotation of screw rod 43 lower extreme, and screw rod 43 moves along the upper and lower direction under the rotation effect, finally utilizes the upper end of screw rod 43 to carry out effective support to the lower extreme of rotatory pressure claw 3, and it is spacing to make rotatory pressure claw 3 keep pushing down ground wire 7, and then guarantees that ground wire 7 is stable to be located the holding tank 21 of device.
The second gear 42 is engaged with the first gear 41 and is also affected by the upper screw 43, when the screw 43 rotates, it will move upwards under the effect of the screw connection with the mating seat 14, and at the same time, the second gear 42 will be driven to move upwards. The axial length of the second gear 42 should be greater than the axial length of the first gear 41 to ensure that the second gear 42 can be meshed with the first gear 41 even if moving upwards, so as to drive the screw 43 up and down.
Further, the rotation directions of the two screws 43 on both sides need to be set to be opposite, such that the screws 43 on both sides can be ensured to have the effect of synchronously moving up or synchronously moving down.
An abutting table 411 for abutting against the rotary pressing claw 3 is further provided at the upper end of the screw 43, the abutting table 411 is a cone, and the outer diameter of the lower end of the abutting table 411 is larger than the outer diameter of the screw 43.
The abutment 411 at the upper end of the screw 43 supports the lower end of the rotary presser 3 and prevents the screw 43 from coming off the mating seat 14. The abutment 411 is a cone member, and the diameter of the abutment 411 is gradually increased from top to bottom.
An elastic supporting piece 5 is further arranged in the accommodating groove 21, and the elastic supporting piece 5 comprises a supporting plate 51 and a plurality of elastic elements 52; the supporting plate 51 is used for supporting the ground wire 7; the elastic elements 52 are disposed between the bottom surface of the supporting plate 51 and the inner wall of the accommodating groove 21, and the extension lines of the axes of the elastic elements 52 intersect at a point.
The elastic support bracket that sets up in the holding tank 21 can effectively bear the electric wire, can form the buffering to ground wire 7 at ground wire 7 entering holding tank 21's in-process, avoids producing between ground wire 7 and the supporting seat 2 and collides with. The two sides of the supporting plate 51 are provided with radians extending outwards and downwards, so that the two side edges can be prevented from colliding with the outer surface of the ground wire 7, and further the outer skin of the ground wire 7 is prevented from being damaged.
In this embodiment, the elastic elements 52 are disposed below the supporting plate 51, one of the elastic elements extends in the up-down direction, and the other elastic elements 52 are symmetrically disposed on both sides of the elastic elements 52. Furthermore, extension lines of the elastic elements 52 intersect at a point, and the arrangement mode can enable the supporting plate 51 to have a more uniform elastic buffering effect on falling of the ground wire 7, so that the ground wire 7 can be reliably supported.
Furthermore, the elastic element 52 can avoid the shaking of the picture caused by the overlarge gap between the ground wire 7 and the upper rotary pressing claw 3, and further ensure the position stability of the ground wire 7 in the supporting seat 2.
Example two:
referring to fig. 3 to 7, the live-line operating rod of the ground clamp includes a rod body 1, a supporting base 2, two rotating pressing claws 3 and two supporting members 4; the supporting seat 2 is arranged at the upper end of the rod body 1, and an accommodating groove 21 with an upward opening and used for accommodating the ground wire 7 is formed in the supporting seat 2; the middle parts of the two rotary pressing claws 3 are respectively hinged at the upper ends of the supporting seats 2, the hinged shafts 31 extend along the trend of the ground wire, and the upper ends of the two rotary pressing claws 3 are used for pressing the ground wire 7 downwards into the accommodating groove 21; the two top supporting pieces 4 are respectively arranged on two sides of the supporting seat 2 and are in sliding connection with the supporting seat 2 in the up-down direction;
the rotating pressing claw 3 has two states of opening and closing, and when the rotating pressing claw 3 is in the closed state, the top support piece 4 is used for supporting the inner side surface of the lower end of the rotating pressing claw 3 upwards so that the upper end of the rotating pressing claw 3 presses the ground wire 7 downwards.
Compared with the prior art, the ground wire clamp live-line operating rod provided by the invention has the advantages that the two rotary pressing claws 3 are utilized to guide the ground wire 7 into the accommodating groove 21 of the supporting seat 2, so that the ground wire 7 can rapidly enter the accommodating groove 21. Under the pressure effect of ground wire 7, two rotatory pressure claws 3 are rotatory around articulated shaft 31, make the upper end of rotatory pressure claw 3 turn to the holding tank 21 inboard, utilize the upper end of rotatory pressure claw 3 to push down ground wire 7, finally, it is fixed to realize the shoring of rotatory pressure claw 3 lower extreme through driving shoring piece 4 to shift up, guarantee the effective compaction of rotatory pressure claw 3 to ground wire 7, be convenient for carry out the installation operation to ground wire 7, after the installation is accomplished, realize the unclamping to rotation pressure claw 3 through driving shoring piece 4 to shift down, pull-down branch makes ground wire 7 deviate from holding tank 21 at last, the effectual speed that resets that has improved ground wire 7, be convenient for improve operating efficiency.
The support base 2 is a U-shaped member, and in order to effectively support the axial direction of the ground wire 7, the support base 2 has a certain length in the axial direction of the ground wire 7. Rotatory pressure claw 3 sets up in the middle part of supporting seat 2 length direction, and is articulated with supporting seat 2 through articulated shaft 31. The axial middle part of supporting seat 2 has been set up and has been used for holding rotatory clamping jaw 3 mounting groove 22, and articulated shaft 31 is installed in mounting groove 22 along the holding tank 21 link up fixed direction.
In this embodiment, the upper end of the rotary pressing claw 3 refers to a position above the hinge shaft 31 when the rotary pressing claw 3 is closed, the upper end of the rotary pressing claw 3 refers to a position below the hinge shaft 31, the inner side surface of the upper end of the rotary pressing claw 3 refers to a side surface where the rotary pressing claw 3 is closed, the two rotary pressing claws 3 are close to each other, and when the ground wire 7 enters the accommodating groove 21, the inner side surface of the lower end of the rotary pressing claw 3 is pressed, so that the lower end of the rotary pressing claw 3 is opened to the outside, and a space is provided for the ground wire 7. The both sides of supporting seat 2 are equipped with mounting groove 22 respectively, and articulated shaft 31 sets up in mounting groove 22, and rotatory claw 3 that presses also sets up in holding tank 21.
When the rotary pressing claw 3 is in an opening state, the upper end is opened towards the back-away outer side, and the lower end is folded towards the close inner side. When the rotary pressing claw 3 is in a closed state, the upper end is folded towards the inner side close to the rotary pressing claw, and the lower end is opened towards the outer side away from the rotary pressing claw. In order to avoid the excessive opening of the upper end of the rotary pressing claw 3 to the outside when the rotary pressing claw 3 is opened, a torsion spring 34 is arranged between the hinging shaft 31 and the inner wall of the containing groove 21, one end of the torsion spring 34 is connected with the rotary pressing claw 3, the other end of the torsion spring is connected with the inner wall of the installing groove 22 and used for keeping the rotary pressing claw 3 at a position close to the horizontal position, when the ground wire 7 falls into the containing groove 21, the ground wire 7 presses the inner side surface of the lower end of the rotary pressing claw 3 downwards under the action of gravity, the upper end of the rotary pressing claw 3 is folded to the inside.
Referring to fig. 3 to 7, a fixing seat 11 for rotatably matching with the rod body 1 is further disposed below the supporting seat 2, a cavity with a downward opening is disposed at a lower portion of the fixing seat 11, a driving gear 121 disposed in the cavity and rotatably matching with the fixing seat 11 is disposed at an upper end of the rod body 1, and the driving gear 121 is connected to the top supporting member 4 and is used for driving the top supporting member 4 to move up and down.
The body of rod 1 can also take place axial rotation when effectively supporting the support seat 2 and holding in the palm. The driving gear 121 is driven to rotate through the rotation of the rod body 1, so that the top supporting piece 4 is driven to move up and down, the effective top support of the inner side surface of the lower end of the rotating pressing claw 3 is realized, and the pressing-down limit of the upper end of the rotating pressing claw 3 to the ground wire 7 is guaranteed.
The two sides of the supporting seat 2 are respectively provided with a matching seat 14 for installing a top support piece 4, and the top support piece 4 comprises a first gear 41, a second gear 42 and a screw 43;
the first gear 41 is meshed with the driving gear 121 and is in running fit with the fixed seat 11;
the second gear 42 is meshed with the first gear 41;
the lower end of the screw 43 is connected with the top surface of the second gear 42 and is in threaded connection with the fixed seat 11;
the fixing base 11 is further provided with a relief hole 123 for allowing the second gear 42 to protrude outward and engage with the first gear 41.
The two sides of the supporting seat 2 are provided with matching seats 14 for matching with the top support piece 4 in a threaded manner. The internal thread has been set up in the cooperation seat 14, cooperatees with the external thread of screw rod 43, drives first gear 41 through below drive gear 121, and then drives the second gear 42 rotation of screw rod 43 lower extreme, and screw rod 43 moves along the upper and lower direction under the rotation effect, finally utilizes the upper end of screw rod 43 to carry out effective support to the lower extreme of rotatory pressure claw 3, and it is spacing to make rotatory pressure claw 3 keep pushing down ground wire 7, and then guarantees that ground wire 7 is stable to be located the holding tank 21 of device.
An abutting table 411 for abutting against the rotary pressing claw 3 is further provided at the upper end of the screw 43, the abutting table 411 is a cone, and the outer diameter of the lower end of the abutting table 411 is larger than the outer diameter of the screw 43.
The abutment 411 at the upper end of the screw 43 supports the lower end of the rotary presser 3 and prevents the screw 43 from coming off the mating seat 14. The abutment 411 is a cone member, and the diameter of the abutment 411 is gradually increased from top to bottom.
An elastic supporting piece 5 is further arranged in the accommodating groove 21, and the elastic supporting piece 5 comprises a supporting plate 51 and a plurality of elastic elements 52; the supporting plate 51 is used for supporting the ground wire 7; the elastic elements 52 are disposed between the bottom surface of the supporting plate 51 and the inner wall of the accommodating groove 21, and the extension lines of the axes of the elastic elements 52 intersect at a point.
The elastic support bracket that sets up in the holding tank 21 can effectively bear the electric wire, can form the buffering to ground wire 7 at ground wire 7 entering holding tank 21's in-process, avoids producing between ground wire 7 and the supporting seat 2 and collides with. The two sides of the supporting plate 51 are provided with radians extending outwards and downwards, so that the two side edges can be prevented from colliding with the outer surface of the ground wire 7, and further the outer skin of the ground wire 7 is prevented from being damaged.
In this embodiment, the elastic elements 52 are disposed below the supporting plate 51, one of the elastic elements extends in the up-down direction, and the other elastic elements 52 are symmetrically disposed on both sides of the elastic elements 52. Furthermore, extension lines of the elastic elements 52 intersect at a point, and the arrangement mode can enable the supporting plate 51 to have a more uniform elastic buffering effect on falling of the ground wire 7, so that the ground wire 7 can be reliably supported.
Furthermore, the elastic element 52 can avoid the shaking of the picture caused by the overlarge gap between the ground wire 7 and the upper rotary pressing claw 3, and further ensure the position stability of the ground wire 7 in the supporting seat 2.
Referring to fig. 3 to 7, the ground clamp hot-line operating rod further includes an auxiliary rod 6 located at the lower end of the rod body 1, a rectangular block 61 is disposed at the upper end of the auxiliary rod 6, a connecting seat 13 is disposed at the lower end of the rod body 1, a rectangular groove 131 having a downward opening and used for accommodating the rectangular block 61 is disposed on the connecting seat 13, and a pin 132 for locking the rectangular groove 131 and the rectangular block 61 is disposed on the connecting seat 13.
Further, in order that the length of the stick body 1 may be increased, an auxiliary stick 6 is provided at the lower end of the stick body 1. If the auxiliary rod 6 is connected to the lower end of the rod body 1, the rectangular groove 131 formed in the connecting seat 13 is matched with the rectangular block 61 formed in the auxiliary rod 6, and the rectangular groove 131 and the rectangular block 61 are locked by the pin 132, so that the auxiliary rod 6 is connected with the rod body 1.
Because the rod body 1 is required to drive the driving gear 121 to rotate, in order to ensure the consistency of the rotation action of the auxiliary rod 6 and the rod body 1, a form of matching the rectangular block 61 and the rectangular groove 131 is adopted between the auxiliary rod 6 and the connecting seat 13, so that the rod body 1 can drive the driving gear 121 to rotate through the rotation of the rotary auxiliary rod 6 even when the auxiliary rod 6 is installed, and the up-and-down driving of the supporting piece is realized.
The periphery of the rod body 1 is provided with a first bevel gear 122, the other end of the auxiliary rod 6 is further provided with a second bevel gear 62 which is engaged with the first bevel gear 122 and drives the first bevel gear 122 to rotate, and a main shaft of the second bevel gear 62 is arranged in the connecting seat 13 along the horizontal direction.
When the auxiliary rod 6 sets up in the outside of the body of rod 1 along the horizontal direction, in order to realize the drive of auxiliary rod 6 to the body of rod 1, set up the first bevel gear 122 that is located the body of rod 1 lower extreme outside in connecting seat 13, the tip at auxiliary rod 6 has set up second bevel gear 62, it is rotatory to drive second bevel gear 62 through rotatory auxiliary rod 6, and then it is rotatory to drive first bevel gear 122 and the body of rod 1, realize the rotation of top rotating gear at last, reach the effect to the upper and lower drive of screw rod 43.
Referring to fig. 3 to 7, the lower end of the rotary pressing claw 3 extends downward to a side away from the accommodating groove 21, and the adjacent side surfaces of the two rotary pressing claws 3 are provided with arc-shaped protrusions 32 which are pressed by the ground wire 7 to rotate the upper end of the rotary pressing claw 3 inward.
After the ground wire 7 enters the accommodating groove 21, the lower end of the rotating pressing claw 3 is screwed to the side away from the ground wire 7, that is, to the outside of the accommodating groove 21. In order to avoid occupying the space in the accommodating groove 21, the lower end of the rotary pressing claw 3 is arranged in a form extending towards the outer side in an inclined mode, the arc-shaped protrusion 32 is arranged on the inner side face of the rotary pressing claw 3, and after the ground wire 7 falls into the accommodating groove 21, the ground wire 7 can be extruded through the arc-shaped protrusion 32, so that the upper end of the rotary pressing claw 3 swings towards the inner side around the hinge shaft 31, and the ground wire 7 is pressed downwards.
In order to realize the stable pressing of the rotary pressing claws 3 to the ground wire 7, a first magnet 331 is arranged on the upper end surface of one rotary pressing claw 3, and a second magnet 332 for attracting the first magnet 331 to each other is arranged on the upper end surface of the other rotary pressing claw 3. Under the attraction action of the first magnet 331 and the second magnet 332, the pressing action of the rotary pressing claw 3 on the ground wire 7 is more stable, so that the ground wire 7 is stably positioned in the accommodating groove 21 of the supporting seat 2.
The present invention is not limited to the above preferred embodiments, and any modifications, equivalent substitutions and improvements made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. The ground clamp hot-line operating rod is characterized by comprising a rod body, a supporting seat, two rotary pressing claws and two supporting pieces; the supporting seat is arranged at the upper end of the rod body, and an accommodating groove with an upward opening and used for accommodating a ground wire is arranged on the supporting seat; the middle parts of the two rotary pressing claws are respectively hinged to the upper ends of the supporting seats, the hinged shaft extends along the trend of the ground wire, and the upper ends of the two rotary pressing claws are used for pressing the ground wire downwards into the accommodating groove; the two supporting pieces are respectively arranged on two sides of the supporting seat and are in sliding connection with the supporting seat in the up-down direction;
the rotating pressing claw has an opening state and a closing state, and when the rotating pressing claw is in the closing state, the jacking piece is used for jacking the inner side face of the lower end of the rotating pressing claw upwards so that the upper end of the rotating pressing claw presses the ground wire downwards.
2. The ground clamp live-wire operating rod as claimed in claim 1, wherein a fixing seat is further provided below the supporting seat for rotatably engaging with the rod body, a cavity with a downward opening is provided below the fixing seat, a driving gear is provided at an upper end of the rod body and is located in the cavity for rotatably engaging with the fixing seat, and the driving gear is connected with the top support member and is used for driving the top support member to move up and down.
3. The ground clamp hot-line operating rod as claimed in claim 2, wherein the two sides of the supporting base are respectively provided with a matching base for installing the top support member, and the top support member comprises:
the first gear is meshed with the driving gear and is in rotating fit with the fixed seat;
a second gear engaged with the first gear; and
the lower end of the screw is connected with the top surface of the second gear and is in threaded connection with the fixed seat;
the fixed seat is also provided with an avoiding hole which is used for enabling the second gear to protrude outwards and to be meshed with the first gear.
4. The ground clamp hot-line operating rod as claimed in claim 3, wherein the upper end of the screw rod is further provided with an abutting table for abutting against the rotary pressing claw, the abutting table is a cone, and the outer diameter of the lower end of the abutting table is larger than that of the screw rod.
5. The ground clamp hot-line work bar of claim 1, wherein an elastic support member is further disposed in the receiving groove, the elastic support member comprising:
the supporting plate is used for supporting the ground wire; and
the elastic elements are arranged between the bottom surface of the supporting plate and the inner wall of the accommodating groove, and the extension lines of the axes of the elastic elements intersect at one point.
6. The ground clamp hot-line work bar of claim 1, wherein the support base is provided at both sides thereof with mounting grooves for receiving the rotary pressing claws, respectively, and the hinge shaft is disposed in the mounting grooves.
7. The ground clamp hot-line operation rod as claimed in any one of claims 1 to 6, further comprising an auxiliary rod located at the lower end of the rod body, wherein a rectangular block is arranged at the upper end of the auxiliary rod, a rectangular groove with a downward opening is arranged at the lower end of the rod body and used for accommodating the rectangular block, and the rectangular block and the rectangular groove are fixed through a pin shaft.
8. A ground clamp hot-line operating rod as claimed in claim 7, wherein the rod body is further provided at its lower end with a connecting seat rotatably connected to the rod body, the rod body is provided at its outer periphery with a first bevel gear, the other end of the auxiliary rod is further provided with a second bevel gear for engaging with the first bevel gear and driving the first bevel gear to rotate, and a main shaft of the second bevel gear is horizontally disposed in the connecting seat.
9. A ground clamp live-wire operating rod as claimed in any one of claims 1 to 6, wherein the lower ends of said rotary pressing claws extend downward to a side away from said receiving groove, and arc-shaped projections are provided on the side surfaces adjacent to both of said rotary pressing claws to be pressed by said ground wire so as to rotate the upper ends of said rotary pressing claws inward.
10. The live-wire operating rod of the grounding clamp as claimed in claim 9, wherein a first magnet is arranged on the upper end surface of one of the rotary pressing claws, and a second magnet which is mutually attracted with the first magnet is arranged on the upper end surface of the other rotary pressing claw.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010897918.6A CN112164904B (en) | 2020-08-31 | 2020-08-31 | Live operating rod of ground clamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010897918.6A CN112164904B (en) | 2020-08-31 | 2020-08-31 | Live operating rod of ground clamp |
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| Publication Number | Publication Date |
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| CN112164904A true CN112164904A (en) | 2021-01-01 |
| CN112164904B CN112164904B (en) | 2021-10-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010897918.6A Active CN112164904B (en) | 2020-08-31 | 2020-08-31 | Live operating rod of ground clamp |
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| Country | Link |
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| CN (1) | CN112164904B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113843533A (en) * | 2021-11-06 | 2021-12-28 | 武汉领创智能激光科技有限公司 | Gantry type pipe laser cutting machine |
| CN116505302A (en) * | 2023-06-05 | 2023-07-28 | 广东电网有限责任公司佛山供电局 | Grounding device of distribution network grounding wire |
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| CN116505302B (en) * | 2023-06-05 | 2024-02-27 | 广东电网有限责任公司佛山供电局 | Grounding device of distribution network grounding wire |
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|---|---|
| CN112164904B (en) | 2021-10-15 |
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