CN206922044U - The vertical downlead earthing or grounding means of transformer station - Google Patents

The vertical downlead earthing or grounding means of transformer station Download PDF

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Publication number
CN206922044U
CN206922044U CN201720841518.7U CN201720841518U CN206922044U CN 206922044 U CN206922044 U CN 206922044U CN 201720841518 U CN201720841518 U CN 201720841518U CN 206922044 U CN206922044 U CN 206922044U
Authority
CN
China
Prior art keywords
bar
connecting plate
earthing
clamp
clamp housing
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN201720841518.7U
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Chinese (zh)
Inventor
唐传佳
刘春成
白涛
张从跃
杨俊昆
李连玉
沈斌
郭玮
闫兴德
吴凡
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
State Grid Corp of China SGCC
Bengbu Power Supply Co of State Grid Anhui Electric Power Co Ltd
Original Assignee
State Grid Corp of China SGCC
Bengbu Power Supply Co of State Grid Anhui Electric Power Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by State Grid Corp of China SGCC, Bengbu Power Supply Co of State Grid Anhui Electric Power Co Ltd filed Critical State Grid Corp of China SGCC
Priority to CN201720841518.7U priority Critical patent/CN206922044U/en
Application granted granted Critical
Publication of CN206922044U publication Critical patent/CN206922044U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model gives a kind of transformer station vertical downlead earthing or grounding means, including earthing clamp, grounding connection line and mounting rod;Earthing clamp includes wire clipping component, screws component and damps steering assembly;Rotating bar one end of wire clipping component is be hinged with clamping plate and the other end is provided with external screw thread, and clamping plate is stretched out outside clamp housing;The seat that screws for screwing component is provided with rotation slot, and pin rod is fixed in rotation slot, screws bar one end and stretches into cavity and be provided with screwed hole, the bar other end is screwed to stretch into rotation slot and be provided with rotation hole, pin rod runs through rotation hole, and fixed sleeving, which is sleeved on, to be screwed outside seat, screws seat and is provided with pivot protrusion;First connecting plate of damping steering assembly is fixed with clamp housing, and the second connecting plate is fixed with fixed sleeving, and connecting screw is fixed on the second connecting plate, and connecting screw coordinates through the first connecting plate and with attaching nut;Mounting rod is provided with mounting groove;Grounding connection line both ends are provided with binding post.The device is firmly solid, greatly reduces high pendant and electric shock risk.

Description

The vertical downlead earthing or grounding means of transformer station
Technical field
A kind of earthing or grounding means is the utility model is related to, the vertical downlead earthing or grounding means of more particularly to a kind of transformer station.
Background technology
Electric device is when power cut construction overhauls, it is necessary to short-circuit grounding wire is mounted, to ensure workmen in short circuit grounding Protection domain in construction operation.The earthing or grounding means of transformer station relies primarily on earthing clamp realization at present, and transformer station commonly uses short Road ground protection is two kinds of spring cassette wire clamp and spiral compression formula wire clamp with clamping wire clamp.Spring cassette wire clamp uses operation letter Just, but clamping dynamics is inadequate, can not bear the impact of larger short circuit current, potential safety hazard be present.Spiral compression formula wire clamp operates Speed is slower, and construction operation is less efficient, and the earthing or grounding means is only capable of meeting using during horizontally disposed wired earth, to hanging down The high-voltage conducting wires directly arranged or be in tilted layout are then ineffective.
Utility model content
Technical problem to be solved in the utility model is to provide a kind of transformer station rational in infrastructure, easy to use and vertically drawn Offline earthing or grounding means, the vertical downlead earthing or grounding means of the transformer station can not only be adapted to the wire of horizontal erection, and can fit With the wire obliquely or vertically set up.
In order to solve the above technical problems, the utility model provides a kind of vertical downlead earthing or grounding means of transformer station;
Including earthing clamp, grounding connection line and mounting rod;
Earthing clamp includes wire clipping component, screws component and damping steering assembly again;
Wire clipping component includes clamp housing, clamping plate and rotating bar, is provided with cavity in clamp housing, clamp housing sidewall is provided with Notch is clamped with the first of conductive contact, rotating bar is placed in the cavity of clamp housing, one end of rotating bar one end and clamping plate Between be hinged, rotating bar the other end side wall is provided with external screw thread, and the other end of clamping plate is stretched out outside clamp housing, clamping plate and clamp shell It is hinged between body, the first clamping notch position that clamp housing is corresponded in the clamping plate side wall in clamp hull outside is provided with second Clamp notch;
Screwing component includes screwing bar, screwing seat, pin rod, caging bolt and fixed sleeving, screws an end face and is provided with rotation Groove, pin rod both ends are respectively fixedly connected with rotation slot cell wall, and the axial direction of pin rod is consistent with the radial direction of rotation slot, screws One end of bar is stretched into the cavity of clamp housing, is screwed this side end face of bar and is provided with the screw thread mate with threaded holes between rotating bar, rotation The tight bar other end is stretched into rotation slot, is screwed bar this end sidewalls and is provided with rotation hole, pin rod runs through the rotation hole for screwing bar, rotates Hole aperture is more than the bar footpath of pin rod, screws and limited impression is provided with bar circumferential side wall, and caging bolt is fixedly connected with wiring clip shell, Caging bolt is stretched into the limited impression for screwing bar, and fixed sleeving, which is sleeved on, to be screwed on the outside of seat, screw seat be relatively fixed sleeve pipe can Freely rotate, screw an outer wall and be extended with some pivot protrusions;
Damping steering assembly includes the first connecting plate, the second connecting plate, connecting screw and attaching nut, the first connecting plate and The clamp housing of wire clipping component is fixedly connected, and the second connecting plate is fixedly connected with screwing the fixed sleeving of component, and connecting screw is solid Surely it is connected on the second connecting plate, connecting screw coordinates through the first connecting plate and with attaching nut, and the second connecting plate is to connect Some engaging grooves are distributed with uniform circular centered on screw rod, and the first connecting plate engages provided with some with some of the second connecting plate The snap fit tabs that groove coordinates;
The side end of mounting rod one is provided with and screwed the mounting groove that the pivot protrusion of seat coordinates;
Grounding connection line both ends are respectively equipped with binding post, and the clamp housing of one of binding post and wire clipping component connects Connect, another binding post ground connection.
After such structure, the pivot protrusion that operating personnel only need to screw seat with earthing clamp using mounting rod is matched somebody with somebody Closing, rotated by screwing a rotational band turn lever, clamping plate clamps wire with clamp housing, coordinates with grounding connection line, Complete the ground connection operation of the vertical downlead earthing or grounding means of this transformer station.
The damping steering assembly of earthing clamp can change wire clipping component and screw angle between component, can complete to inclining The ground connection operation of oblique wire or vertical lead wire;Wire clipping component can be ensured and screw any angle shape between component by screwing component State, the rotation for screwing seat can be transferred to the rotating bar of wire clipping component.
Advantageous effects of the present utility model are:Firmly solid, difficult for drop-off, logical good fluidity, operating personnel become this The vertical downlead earthing or grounding means in power station is connected to ground wire operating lever, you can completes above-mentioned task on ground, greatly reduces height Pendant and electric shock risk, overhaul of the equipments, the security of installing ground wire can be improved.
Technology contents of the present utility model are understood in order to clearer, below by the vertical downlead earthing or grounding means of this transformer station Referred to as this earthing or grounding means.
The side of mounting rod one of this earthing or grounding means is provided with installation sleeve pipe, and the rotation that installation box face was provided with and screwed seat is convex Act the mounting groove coordinated;After such structure, the structure of mounting rod is more reasonable, preferably earthing clamp can be coordinated to revolve The pivot protrusion of tight seat.
The clamp housing exterior walls of the wire clipping component of this earthing or grounding means are provided with the line card of dead earth connection thread end;
The clamp housing sidewall of the wire clipping component is provided with clamps notch with the first of conductive contact, and clamping plate presss from both sides for arc Plate, the first clamping notch position that clamp housing is corresponded in the curved splint side wall in clamp hull outside are provided with the second clamping Notch, the second clamping notch shape of curved splint is to agree with wire outer shape;First clamping notch shape of clamp housing Also it is to agree with wire outer shape.
After such structure, the grounding connection line outside line card convenience fixation, meanwhile, the structure of clamping plate is more closed Reason, the first clamping notch and the second clamping notch are shaped such that clamping wire is more firm, difficult for drop-off.
The damping steering assembly of this earthing or grounding means also includes pad, and pad is sleeved on connecting screw and pad is in first Position between connecting plate and attaching nut;It after such structure, can connect the first connecting plate and the second connecting plate It is bonded in the presence of bolt and attaching nut more close.
The side wall that screws that this earthing or grounding means screws component is provided with the detent coordinated with fixed sleeving;Using such After structure, detent can limit the position of fixed sleeving.
Brief description of the drawings
Fig. 1 is the structural representation of this earthing or grounding means embodiment.
Fig. 2 is one of use state figure of this earthing or grounding means embodiment.
Fig. 3 is the two of the use state figure of this earthing or grounding means embodiment.
Fig. 4 is the three of the use state figure of this earthing or grounding means embodiment.
Fig. 5 is the structural representation of this earthing or grounding means embodiment earthing clamp.
Fig. 6 is the structural representation of this earthing or grounding means embodiment grounding connection line.
Embodiment
As shown in Figures 1 to 6(Grounding connection line 6 and mounting rod 5 are eliminated in Fig. 2 to 4)
This earthing or grounding means includes earthing clamp, grounding connection line 6 and mounting rod 5.
Earthing clamp includes wire clipping component, screws component and damping steering assembly again.
Wire clipping component is in the upper side position of earthing clamp, and wire clipping component includes clamp housing 11, curved splint 13 and turned Lever 12, clamp housing 11 is interior to be provided with cavity 11a, and the cavity 11a of clamp housing 11 has upside, downside and right openings, folder The cross sectional shape of line housing 11 generally " Qian " shape, side wall is provided with the first clamping notch of arc at the right openings of clamp housing 11 11b, the first clamping notch 11b agree with the exterior contour of wire 4, and rotating bar 12 is placed in the cavity 11a of clamp housing 11, is rotated Bar 12 can move back and forth in cavity 11a, be provided with the upper portion side wall of rotating bar 12 and stir groove 12a, and the bottom of rotating bar 12 is spiral shell Shaft-like, the bottom screw shaped structure of rotating bar 12 is provided with external screw thread, and one end of curved splint 13 is stretched at cavity 11a right openings Enter stirring in groove 12a for rotating bar 12, realize the be hinged of the end of curved splint 13 and the top of rotating bar 12, curved splint 13 leans on It is hinged between the nearly right side edge position of clamp housing 11 and clamp housing 11 by bearing pin 13b, the other end of curved splint 13 is stretched Go out outside clamp housing 11, the first holding tank of clamp housing 11 is corresponded in the side wall of curved splint 13 in the outside of clamp housing 11 Mouth 11b positions are provided with the second clamping notch 13a, and the outer wall of clamp housing 11 is provided with line card 14.
Screw the lower position that component is in wire clipping component, screw component include screw bar 24, screw seat 21, pin rod 22, Caging bolt 25 and fixed sleeving 23, it is up big and down small two benches body to screw seat 21, screws the external wall of upper portion of seat 21 and is provided with and determines Position groove 21a, fixed sleeving 23 is sleeved in the detent 21a for screwing seat 21, screw seat 21 be relatively fixed sleeve pipe 23 can from By rotating, screwing the bottom outer wall of seat 21, radially direction is extended with two pivot protrusion 21b, screws the upper surface of seat 21 and is provided with circle The rotation slot 21c of column, the both ends of pin rod 22 are respectively welded on rotation slot 21c cell walls, the axial direction and rotation slot of pin rod 22 21c radial direction is consistent;
The top for screwing bar 24 is stretched into the cavity 11a of clamp housing 11, is screwed the upper surface of bar 24 and is provided with and rotating bar 12 Between screw thread mate with threaded holes, screw and be provided with limited impression 24a in the circumferential side wall at the middle part of bar 24, screw the lower end of bar 24 and stretch into and turn In dynamic groove 21c, screw the lower sides of bar 24 and be provided with rotation hole 24b, pin rod 22 runs through the rotation hole 24b for screwing bar 24, rotation hole 24b apertures are much larger than the bar footpath of pin rod 22;
Caging bolt 25 is fixed through wiring clip shell and by nut, realizes caging bolt 25 with respect between wiring clip shell Position is fixed, and caging bolt 25 passes through the limited impression 24a for screwing bar 24.
Damping steering assembly is used to change wire clipping component and screws the angle between component, and damping steering assembly includes first Connecting plate 33, the second connecting plate 31, connecting screw 32, pad 35 and attaching nut 34, the second connecting plate 31 is discoid, and second Connecting plate 31 is welded and fixed with screwing the fixed sleeving 23 of component, and connecting screw 32 is welded on the second connecting plate 31 away from fixed cover The center of the side end face of pipe 23 1, it is recessed that multiple engagings are distributed with the second connecting plate 31 uniform circular centered on connecting screw 32 Groove 31a, the first connecting plate 33 are fixed by the clamp housing 11 of two bolts and wire clipping component, and the bottom of the first connecting plate 33 is corresponding The position of connecting screw 32 is provided with through hole, and multiple engaging groove 31a positions of corresponding second connecting plate 31 of the first connecting plate 33 are provided with Multiple snap fit tabs 33a, connecting screw 32 run through the through hole of the first connecting plate 33 and coordinated with attaching nut 34, pad 35, pad Piece 35 is sleeved on connecting screw 32 and pad 35 is in position, the first connecting plate between the first connecting plate 33 and attaching nut 34 33 snap fit tabs 33a complements each other to form damping structure with the engaging groove 31a of the second connecting plate 31.
The side of mounting rod 5 one is provided with installation sleeve pipe 52, and the pivot protrusion that installation sleeve pipe 52 end face was provided with and screwed seat coordinates Mounting groove 51.
The both ends of grounding connection line 6 are respectively equipped with binding post 61, the clamp of one of binding post 61 and wire clipping component Housing 11 is connected and fixed by line card 14.
As shown in Figure 1
For the use of this earthing or grounding means in horizontal wire 4, regulation first damps the attaching nut 34 of steering assembly, makes the first company The gap of 33 and second connecting plate of fishplate bar 31 increases, and the damping between the first connecting plate 33 and the second connecting plate 31 diminishes, regulation folder Line component and the angle screwed between component are 180 °, i.e., the center line of rotating bar 12 is with screwing the center line of seat 21 in same straight line On, screw attaching nut 34 again afterwards;It is connected using the one end of grounding connection line 6 with clamp housing 11, the dead earth of line card 14 This binding post 61 of connecting line 6, the binding post 61 of the other end of grounding connection line 6 are grounded;
The installation sleeve pipe 52 of mounting rod 5 is stuck in the lower outside for screwing seat 21, screws two pivot protrusion 21b of seat 21 It is respectively protruding into two mounting grooves 51 of l, operating personnel are hung over earthing clamp on wire 4 using mounting rod 5, mounting rod 5 and two Individual pivot protrusion 21b coordinates, and drive screws seat 21 and rotated, and then screws bar 24 and rotate, and the rotating bar 12 of wire clipping component is with screwing The screw thread of bar 24 coordinates, and relatively moves, and rotating bar 12 drives curved splint 13 centered on bearing pin 13b to close to clamp shell The direction of body 11 progressively rotates, until the first clamping notch 11b jointly clamps wire 4 with the second clamping notch 13a, completion originally connects The connection operation of ground device;
When such as needing this earthing or grounding means departing from horizontal wire 4, then rotated backward using mounting rod 5 and screw seat 21, the first folder Hold the clamping notches of notch 11b and second 13a to open, this earthing or grounding means is removed from wire 4.
As shown in Fig. 2 to 3
The use of this earthing or grounding means is when on vertical lead wire 4 or inclination wire 4, the connection of regulation damping steering assembly first Nut 34, increase the first connecting plate 33 and the gap of the second connecting plate 31, adjust wire clipping component and screw the angle between component Earthing clamp is clamped wire 4 to suitable position, then by mounting rod 5, its operation gimmick is consistent with horizontal wire 4.
Above-described is only a kind of embodiment of the present utility model, it is noted that for the ordinary skill of this area For personnel, on the premise of the utility model principle is not departed from, some variations and modifications can also be made, these also should be regarded as Belong to the scope of protection of the utility model.

Claims (5)

1. a kind of vertical downlead earthing or grounding means of transformer station, it is characterized in that:
Including earthing clamp, grounding connection line and mounting rod;
Earthing clamp includes wire clipping component, screws component and damping steering assembly again;
Wire clipping component includes clamp housing, clamping plate and rotating bar, is provided with cavity in clamp housing, rotating bar is placed on clamp housing Cavity in, be hinged between rotating bar one end and one end of clamping plate, rotating bar the other end side wall is provided with external screw thread, clamping plate it is another One end is stretched out outside clamp housing, is hinged between clamping plate and clamp housing, and outside wire passes through between clamping plate and clamp housing;
Screwing component includes screwing bar, screwing seat, pin rod, caging bolt and fixed sleeving, screws an end face and is provided with rotation slot, sells Bar both ends are respectively fixedly connected with rotation slot cell wall, and the axial direction of pin rod is consistent with the radial direction of rotation slot, screws bar One end is stretched into the cavity of clamp housing, is screwed this side end face of bar and is provided with the screw thread mate with threaded holes between rotating bar, screws bar The other end is stretched into rotation slot, is screwed bar this end sidewalls and is provided with rotation hole, pin rod runs through the rotation hole for screwing bar, rotation hole hole Footpath is more than the bar footpath of pin rod, screws and limited impression is provided with bar circumferential side wall, caging bolt is fixedly connected with wiring clip shell, spacing Bolt is stretched into the limited impression for screwing bar, and fixed sleeving, which is sleeved on, to be screwed on the outside of seat, screw seat be relatively fixed sleeve pipe can be free Rotate, screw an outer wall and be extended with some pivot protrusions;
Damping steering assembly includes the first connecting plate, the second connecting plate, connecting screw and attaching nut, the first connecting plate and clamp The clamp housing of component is fixedly connected, and the second connecting plate is fixedly connected with screwing the fixed sleeving of component, and connecting screw, which is fixed, to be connected It is connected on the second connecting plate, connecting screw coordinates through the first connecting plate and with attaching nut, and the second connecting plate is with connecting screw Centered on uniform circular be distributed with some engaging grooves, the first connecting plate is provided with some engages groove with some of the second connecting plate The snap fit tabs of cooperation;
The side end of mounting rod one is provided with and screwed the mounting groove that the pivot protrusion of seat coordinates;
Grounding connection line both ends are respectively equipped with binding post, and the clamp housing of one of binding post and wire clipping component connects, Another binding post is grounded.
2. the vertical downlead earthing or grounding means of transformer station according to claim 1, it is characterized in that:
The side of mounting rod one is provided with installation sleeve pipe, and installation box face is provided with and screwed the mounting groove that the pivot protrusion of seat coordinates.
3. the vertical downlead earthing or grounding means of transformer station according to claim 1, it is characterized in that:
The clamp housing exterior walls of the wire clipping component are provided with the line card of dead earth connection thread end;
The clamp housing sidewall of the wire clipping component is provided with clamps notch with the first of conductive contact, and clamping plate is curved splint, place The second clamping notch is provided with the first clamping notch position that clamp housing is corresponded in the curved splint side wall of clamp hull outside, Second clamping notch shape of curved splint is to agree with wire outer shape;First clamping notch shape of clamp housing is also contract Close wire outer shape.
4. the vertical downlead earthing or grounding means of transformer station according to claim 1, it is characterized in that:
The damping steering assembly also includes pad, and pad is sleeved on connecting screw and pad is in the first connecting plate with being connected Position between nut.
5. the vertical downlead earthing or grounding means of transformer station according to claim 1, it is characterized in that:
The side wall that screws for screwing component is provided with the detent coordinated with fixed sleeving.
CN201720841518.7U 2017-07-12 2017-07-12 The vertical downlead earthing or grounding means of transformer station Expired - Fee Related CN206922044U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201720841518.7U CN206922044U (en) 2017-07-12 2017-07-12 The vertical downlead earthing or grounding means of transformer station

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201720841518.7U CN206922044U (en) 2017-07-12 2017-07-12 The vertical downlead earthing or grounding means of transformer station

Publications (1)

Publication Number Publication Date
CN206922044U true CN206922044U (en) 2018-01-23

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Family Applications (1)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107359533A (en) * 2017-07-12 2017-11-17 国网安徽省电力公司蚌埠供电公司 The vertical downlead earthing or grounding means of transformer station
CN114221147A (en) * 2021-12-23 2022-03-22 中国商用飞机有限责任公司 Combined wiring terminal capable of adjusting angle

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107359533A (en) * 2017-07-12 2017-11-17 国网安徽省电力公司蚌埠供电公司 The vertical downlead earthing or grounding means of transformer station
CN114221147A (en) * 2021-12-23 2022-03-22 中国商用飞机有限责任公司 Combined wiring terminal capable of adjusting angle

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Granted publication date: 20180123

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