CN218160852U

CN218160852U - Novel special grounding device for busbar

Info

Publication number: CN218160852U
Application number: CN202222702604.3U
Authority: CN
Inventors: 连培强; 林建建; 黄巧妃; 吴翰; 黄明超
Original assignee: Fuzhou One Sun Power Consulting Co ltd
Current assignee: Fuzhou One Sun Power Consulting Co ltd
Priority date: 2022-10-13
Filing date: 2022-10-13
Publication date: 2022-12-27
Anticipated expiration: 2032-10-13

Abstract

The utility model provides a novel special grounding device for busbars, which comprises a busbar grounding box, a plurality of coiling pieces for coiling grounding wires are arranged in the busbar grounding box at equal intervals, a plurality of limiting self-locking pieces which are used for being corresponding to the coiling pieces are arranged in the busbar grounding box at equal intervals on the upper end of the inner rear surface of the busbar grounding box, a plurality of through holes which are matched with the limiting self-locking pieces are arranged on the upper surface of the busbar grounding box at equal intervals, mounting pieces for fixedly mounting grounding hanging joints are arranged on the upper surface of the busbar grounding box at equal intervals, and the mounting pieces are arranged corresponding to the through holes; the utility model discloses can realize the flexible and fixed of earth connection, remove the earth connection installation from before overhauing.

Description

Novel special grounding device for busbar

Technical Field

The utility model relates to a transformer substation technical field, especially a novel female special earthing device that arranges.

Background

Along with the increasing number of the domestic transformer substations, the daily workload of power grid operation maintainers is also increasing, the types and the number of the maintenance tools are also various, and equipment of each voltage class in the transformer substations needs to be maintained and overhauled after being operated for a certain time. Particularly, during the maintenance of the main transformer, a reliable and convenient maintenance grounding mode is an extremely important life line for maintenance personnel. The existing temporary grounding tools are carried about by overhaul workers and are installed on site.

In the period of overhauling a main transformer of most of the transformer substations at present, the grounding of a low-voltage side wire outlet is a simple grounding tool for fixing a wire outlet bus bar; because the temporary grounding wire is hung and connected by most bolts, a large amount of time is spent for installing the grounding wire for fixing before overhauling every time, the conditions that the length and the section of the grounding wire are not enough and the virtual connection is caused due to unfirm fixation of the grounding wire easily occur in the installation process, the overhauling work is affected under certain conditions, and the potential accident hazard exists, so that the life safety of the overhauling personnel is affected.

Disclosure of Invention

In view of this, the utility model aims at providing a can realize the flexible and fixed of earth connection through mechanical combination, remove the novel female special earthing device of arranging of earth connection installation before overhauing from.

The utility model discloses a following method realizes: the utility model provides a novel female special earthing of arranging device, includes female grounding box that arranges, female grounding box internal equidistance is provided with a plurality of convolutes that are used for coiling the earth connection, female grounding box internal rear surface upper end equidistance be provided with a plurality of be used for with convolute the corresponding spacing piece of self-locking, female grounding box upper surface equidistance seted up a plurality of with spacing piece matched with through-hole of self-locking, female grounding box upper surface equidistance of arranging is provided with the installed part that is used for fixed mounting ground attach fitting, just the installed part with the through-hole is corresponding to be set up.

Further, the piece of convoluteing includes first limiting plate and second limiting plate, first limiting plate with around the second limiting plate set up in female ground connection incasement bottom surface of arranging, first limiting plate with the upper end is provided with the pivot between the second limiting plate, the cover is equipped with torque spring in the pivot, the cover is equipped with the wire reel that is used for coiling the earth connection in the pivot.

Further, spacing from the latch fitting includes the supporting shoe, the supporting shoe set up in female ground connection incasement rear surface upper end of arranging, the supporting shoe openly is provided with the spacing ring, the spacing ring set up in directly over the coiling piece, be provided with telescopic cylinder on the spacing ring, telescopic cylinder's telescopic link is terminal to be passed the spacing ring extends to in the spacing ring, telescopic cylinder's telescopic link end is provided with and is used for spacing earth connection to avoid the arc stopper that the earth connection retrieved.

Further, the installed part includes first supporting baseplate, first supporting baseplate upper surface is provided with first U-shaped seat, the sheer pole upper surface of first U-shaped seat is provided with reset spring, the reset spring upper surface is provided with the board of placing that is used for placing ground connection articulate, the sheer pole right-hand member of first U-shaped seat articulates and is provided with the first apron that can open and shut.

Furthermore, the installed part includes the second supporting baseplate, the second supporting baseplate upper surface is provided with the second U-shaped seat, the last horizontal pole middle part spiral of second U-shaped seat is provided with the screw, the screw spiral passes the last horizontal pole of second U-shaped seat extends to the last horizontal pole of second U-shaped seat, the screw lower extreme is provided with and is used for spacing ground connection articulate the third limiting plate in the second U-shaped seat, the sheer pole right-hand member of second U-shaped seat articulates and is provided with the second apron that can open and shut.

The beneficial effects of the utility model reside in that: the utility model adds the coiling piece, the limiting self-locking piece and the mounting piece into the device, so that the grounding hanging joint can be fixed, the installation time of the grounding wire is shortened, the grounding hanging joint is lifted and fixed on a bus bridge, and the grounding wire is locked after the use length of the grounding wire is determined; the grounding terminal box is internally provided with a grounding wire meeting the section requirement, and the grounding wire is prevented from being selected by a maintainer to carry out maintenance work; the telescopic grounding wire has a self-locking function and can prevent the grounding wire from being lost and being quickly recovered; the grounding hanging joint adopts a flexible lock catch, and potential risks caused by falling off in the joint maintenance process can be locked; use more convenient and fast reliable than the interim earth terminal case of tradition, be favorable to arranging ground terminal case and optimize in quantity.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic diagram of the internal structure of the present invention.

Fig. 3 is a schematic structural view of the limiting self-locking element.

Fig. 4 is a schematic view of the first embodiment of the mounting member.

Fig. 5 is a schematic view of a second embodiment of the mounting member.

Detailed Description

The present invention will be further explained with reference to the accompanying drawings.

Referring to fig. 1 to 5, the present invention provides an embodiment: the utility model provides a novel female special earthing of arranging device, includes female earthing box 1 that arranges, the equidistance is provided with a plurality of convolutes 2 that are used for coiling the earth connection in female earthing box 1 that arranges, female earthing box 1 interior rear surface upper end equidistance be provided with a plurality of be used for with convolute 2 corresponding spacing from latch fitting 3, female earthing box 1 upper surface equidistance of arranging seted up a plurality of with spacing from latch fitting 3 matched with through-hole (not shown), female earthing box 1 upper surface equidistance of arranging is provided with the installed part 4 that is used for fixed mounting ground attach head, just installed part 4 with the through-hole is corresponding to be set up. Make through 2 accomodations that realize the earth connection of convoluteing, then can carry on spacingly to the earth connection when the earth connection pulls out through spacing from locking part 3, prevent that the earth connection from losing one's hands and retrieving fast, then can realize ground connection articulate fixed mounting effect through installed part 4.

Referring to fig. 2, in an embodiment of the present invention, the winding member 2 includes a first limiting plate 21 and a second limiting plate 22, the first limiting plate 21 and the second limiting plate 22 are disposed on the inner bottom surface of the busbar grounding box 1 in a front-back manner, a rotating shaft (not shown) is disposed at an upper end between the first limiting plate 21 and the second limiting plate 22, a torsion spring (not shown) is sleeved on the rotating shaft, and a wire winding disc 23 for winding the grounding wire is sleeved on the rotating shaft. The effect through wire reel 23 makes, can realize that the earth connection is convoluteed and fix and accomodate on wire reel 23, then through torsion spring's effect, can realize the automatic recovery after the earth connection is tensile.

Please continue to refer to fig. 2 and fig. 3, in an embodiment of the present invention, the limiting self-locking member 3 includes a supporting block 31, the supporting block 31 is disposed at the upper end of the rear surface in the busbar grounding box 1, the supporting block 31 is provided with a limiting ring 32 on the front side, the limiting ring 32 is disposed over the winding member 2, a telescopic cylinder 33 is disposed on the limiting ring 32, the telescopic rod end of the telescopic cylinder 33 passes through the limiting ring 32 and extends into the limiting ring 32, and the telescopic rod end of the telescopic cylinder 33 is provided with an arc-shaped limiting block 34 for limiting the grounding wire and avoiding the grounding wire to be recycled. The telescopic cylinder 33 can drive the arc-shaped limiting block 34 to move left and right, so that limiting fixation of the grounding wire is achieved, and the grounding wire is prevented from being rapidly recovered due to hand loss.

With continued reference to fig. 4, the mount provides a first embodiment: the mounting part 4 comprises a first supporting base plate 41, a first U-shaped seat 42 is arranged on the upper surface of the first supporting base plate 41, a return spring 43 is arranged on the upper surface of a lower cross rod of the first U-shaped seat 42, a placing plate 44 for placing a grounding hanging joint is arranged on the upper surface of the return spring 43, and a first openable cover plate 45 is hinged to the right end of the lower cross rod of the first U-shaped seat 42. So that the grounding lug is placed on the placing plate 44, the return spring 43 is compressed, and then the upper cross rod of the placing plate 44 and the upper cross rod of the first U-shaped seat 42 are matched with each other through the return of the return spring 43, so that the clamping of the grounding lug can be realized.

With continued reference to fig. 5, the mount provides a second embodiment: the mounting part 4 comprises a second supporting base plate 46, a second U-shaped seat 47 is arranged on the upper surface of the second supporting base plate 46, a screw 48 is spirally arranged in the middle of an upper cross rod of the second U-shaped seat 47, the screw 48 spirally penetrates through the upper cross rod of the second U-shaped seat 47 and extends to the upper cross rod of the second U-shaped seat 47, a third limiting plate 49 used for limiting a grounding hanging joint in the second U-shaped seat 47 is arranged at the lower end of the screw 48, and a second openable cover plate 50 is hinged to the right end of a lower cross rod of the second U-shaped seat 47. So that can drive third limiting plate 49 through swivel screw 48 and reciprocate, place the ground connection joint at second U-shaped seat 47 bottom surface in, then fix the ground connection joint spacing in second U-shaped seat 47 through third limiting plate 49, can open and shut the opening of apron 50 with second U-shaped seat 47 through the second and seal.

The utility model discloses well telescopic cylinder and torsion spring are prior art, and the skilled person in the art can clearly understand, do not describe here in detail.

The above is only the preferred embodiment of the present invention, and all the equivalent changes and modifications made according to the claims of the present invention should be covered by the present invention.

Claims

1. The utility model provides a novel female special ground connection that arranges which characterized in that: including female ground connection case of arranging, female the interior equidistance of ground connection incasement of arranging is provided with a plurality of convolutes that are used for convoluteing the earth connection, female the interior rear surface upper end equidistance of ground connection incasement be provided with a plurality of be used for with convolute the corresponding spacing from the latch fitting spare of piece, female ground connection case upper surface equidistance seted up a plurality of with spacing from latch fitting spare matched with through-hole, female ground connection case upper surface equidistance of arranging is provided with the installed part that is used for fixed mounting ground attach fitting, just the installed part with the through-hole sets up correspondingly.

2. The novel grounding device special for the busbar according to claim 1, characterized in that: the winding piece comprises a first limiting plate and a second limiting plate, the first limiting plate and the second limiting plate are arranged on the front portion and the rear portion of the second limiting plate, the bottom surface of the interior of the busbar grounding box is provided with a rotating shaft, the upper end of the first limiting plate is provided with a rotating shaft, a torsion spring is sleeved on the rotating shaft, and a wire spool used for winding a grounding wire is sleeved on the rotating shaft.

3. The novel grounding device special for the busbar according to claim 1, characterized in that: spacing from latch fitting includes the supporting shoe, the supporting shoe set up in female ground connection incasement rear surface upper end of arranging, the supporting shoe openly is provided with the spacing ring, the spacing ring set up in directly over the coiling piece, be provided with telescopic cylinder on the spacing ring, telescopic cylinder's telescopic link is terminal to be passed the spacing ring extends to in the spacing ring, telescopic cylinder's telescopic link end is provided with and is used for spacing earth connection to avoid the arc stopper that the earth connection retrieved.

4. The novel grounding device special for the busbar according to claim 1, characterized in that: the installed part includes first supporting baseplate, first supporting baseplate upper surface is provided with first U-shaped seat, the sheer pole upper surface of first U-shaped seat is provided with reset spring, the reset spring upper surface is provided with the board of placing that is used for placing ground connection articulate, the sheer pole right-hand member of first U-shaped seat articulates and is provided with the first apron that can open and shut.

5. The novel grounding device special for the busbar according to claim 1, characterized in that: the mounting part comprises a second supporting base plate, a second U-shaped seat is arranged on the upper surface of the second supporting base plate, a screw is spirally arranged in the middle of an upper cross rod of the second U-shaped seat, the screw penetrates through the upper cross rod of the second U-shaped seat to extend to the upper cross rod of the second U-shaped seat, the lower end of the screw is provided with a third limiting plate used for limiting the grounding hanging joint in the second U-shaped seat, and a second cover plate capable of being opened and closed is hinged to the right end of a lower cross rod of the second U-shaped seat.