CN104037508A - Clamp for throwing type grounding wire - Google Patents
Clamp for throwing type grounding wire Download PDFInfo
- Publication number
- CN104037508A CN104037508A CN201410257057.XA CN201410257057A CN104037508A CN 104037508 A CN104037508 A CN 104037508A CN 201410257057 A CN201410257057 A CN 201410257057A CN 104037508 A CN104037508 A CN 104037508A
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- China
- Prior art keywords
- clamp
- transverse axis
- flute profile
- plate
- curved splint
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Abstract
The invention relates to a clamp for a throwing type grounding wire. The clamp for the throwing type grounding wire comprises two bent clamp arms, arc-shaped clamp plates, elastic support pieces and limit support pieces, wherein ends of the two bent clamp arms are connected through a pivot shaft, the arc-shaped clamp plate is arranged at the inner side of each bent clamp arm, the elastic support pieces and the limit support pieces are used for limiting the positions of the arc-shaped clamp plates, and a limit type pothook is arranged between the two bent clamp arms. By means of the limit support pieces, the opening of the clamp can be enlarged, when the clamp is thrown to a lead, the lead touches the limit support pieces to open the clamp to clamp the lead; when taking the clamp from the lead, a user only needs to lift a grounding wire, and then the lead would extrude the limit type pothook so as to open the two bent clamp arms to enable the lead to separate from the clamp; the clamp for the throwing type grounding wire is very convenient to operate.
Description
Technical field
the present invention relates to a kind of clamp of throwing hanging earth connection.
Background technology
overhead transmission line mainly comprises shaft tower and is arranged on the wire on shaft tower, wherein, the position that shaft tower is set is relevant with periphery occasion, so, the set occasion of pole and tower foundation is unlikely to by all shaft towers all on same straight line, between two adjacent shaft towers that have, have very large angle of revolution; In addition, in order to make transmission line there is good performance, conventionally on a phase circuit, be provided with two transmission pressures that spacing is less.For these reasons, in the time of maintenance transmission pressure, even if this transmission pressure is de-energized before maintenance, because power-off occasion is common and maintenance transmission pressure wide apart, exist maintenance transmission pressure also not complete the possibility that just has power supply, can cause serious harm to operating personnel like this, so, in the time of maintenance transmission pressure, utilize earthing clamp to force transmission pressure short circuit to solve the problems referred to above.In the process of installation earthing clamp, operator hangs over earthing clamp on wire in the upper of shaft tower, then the earth connection on earthing clamp is connected with shaft tower.In some occasion, as having in the situation of very large angle of revolution between two adjacent shaft towers, on shaft tower, two of fixing cord porcelain bobbin insulators have relatively large angle, cause operator to be difficult to earthing clamp to hang on wire, only have and utilize the mode of throwing extension just earthing clamp can be hung on wire.But, want to utilize the mode of throwing extension that earthing clamp is hung on wire, need earth connection to accompany larger opening on the one hand, after in wire enters earthing clamp, its opening should tighten, so that wire is fixed, on the other hand when wire takes off earthing clamp, earthing clamp can be opened easily, and does not need manually directly to take off.
the name of No. 201038352Y, Chinese patent bulletin is called the earthing clamp that " earthing clamp On-line Tip device " propose and comprises a guide vane end stop that is similar to down the hook-like part of " U " shape and is arranged on hook-like part central region, and be arranged on two curved splints of hook-like part inner side, and the top that makes two curved splints is separately positioned on the both sides of guide vane end stop, the data wire being connected with the input of sender unit is also installed on described guide vane end stop.In the time of earth connection, first on the top of curved splint and hook-like part, wire is installed, in the time that curved splint is clipped on transmission pressure, rely on the width of transmission pressure to force curved splint to open, thereby it is underground that electric current that transmission pressure the flows through wire on hook-like part is imported into, and then ensure transmission pressure short circuit.Although sender unit wherein can be pointed out the position at earthing clamp place the moment to administrative center, can there is not earthing clamp and not be removed the just phenomenon of power supply, but because being unfavorable for throwing, this kind of earthing clamp hang on wire, need to throw hanging installation and be arranged in the process of earthing clamp on large corner pole, cause mounting means very difficult; Simultaneously because be provided with two transmission pressures that spacing is less on a phase circuit, an earthing clamp can only be installed on a transmission pressure, do not adopt the mode of reversal of the natural order of things that earthing clamp is articulated on transmission pressure, its operating process is not only very loaded down with trivial details, and delays the power failure operation time.
Summary of the invention
the object of this invention is to provide the clamp of the hanging earth connection of throwing of the problems such as mode that a kind of utilization facilitates clamping wires solves operating difficulties and the set-up time is long.
the clamp of the hanging earth connection of throwing proposed by the invention comprises end by pivotally connected two bending jig arm and is separately positioned on the curved splint of each bending jig arm inner side, and for limiting elastic supporting member for supporting optical member and the limited support part of curved splint position, limit-type hook is also installed between two bending jig arm.
described bending jig arm is made up of flute profile plate, and the central region of each flute profile plate is provided with bend.On the sidewall of described flute profile plate upper end, transverse axis is installed, and the upper end of curved splint is flexibly connected with transverse axis on this.
described elastic supporting member for supporting optical member, by being arranged on the middle transverse axis of flute profile plate sidewall and being arranged on the spring on middle transverse axis, and is vertically fixed on being made up of spring driven support bar on middle transverse axis.
the central region of described curved splint is provided with the semicircle arc groove for clamping electric wire.
on the sidewall of described flute profile plate lower area, lower transverse axis is installed, in the both sides of lower transverse axis, the locating part for limiting distance between curved splint free end and flute profile plate is installed, this locating part comprises that two with the bar shaped plate of chute and limit shaft for being connected two bar shaped plate ends, and the outer end of lower transverse axis is inserted on the chute of this bar shaped plate.
described limit-type hook is made up of plate, and one end of this plate is flexibly connected with the lower transverse axis on a flute profile plate, and the other end of plate is provided with the spill hook on the lower transverse axis that can hang on another flute profile plate.
one end of described limited support part is by being flexibly connected with the fixed axis on a curved splint side, and the other end of limited support part is provided with the spill hook on the fixed axis that can hang on another curved splint side.
on described pivot, spring is installed, is separately installed with the rod member for pushing tow bending jig arm at the two ends of this spring.
the clamp of the hanging earthing clamp of throwing proposed by the invention utilizes elastic supporting member for supporting optical member that the lower area relative direction of two curved splints is supported, and utilize limited support part that two curved splints are supported to certain distance, because limited location supports support can increase the opening of clamp, in the time that clamp is projected on wire, wire can open it after entering into and touching limited support part in the opening of clamp, two curved splints can be by conductor clamping under the support of elastic supporting member for supporting optical member, when wire takes off clamp, as long as lift earth connection, wire can push limit-type hook, thereby two bending jig arm are opened, wire departs from this clamp, so, operation is very easy to adopt this kind of clamp earth connection.
brief description of the drawings:
accompanying drawing 1 is the surface structure schematic diagram of an embodiment of clamp of the hanging earthing clamp of throwing proposed by the invention;
accompanying drawing 2 is bending jig arm sidewall surface structure schematic diagrames after cutting open in Fig. 1.
embodiment:
referring to Fig. 1 and Fig. 2, these two accompanying drawings provide the overall appearance structure of an embodiment of clamp of the hanging earthing clamp of throwing proposed by the invention.This clamp comprises bending jig arm 1, curved splint 2, elastic supporting member for supporting optical member 3, limited support part 4, limit-type hook 5 and locating part 6.
bending jig arm 1 is provided with two, and each bending jig arm 1 forms by flute profile plate, and the central region of each flute profile plate is provided with bend 11.This flute profile plate is by the sidewall 13 of mainboard part 12 and mainboard part 12 both sides vertical curve so that form groove 14 between sidewall 13, and the end of two bending jig arm 1 by pivot 15 by its flexible connection.On described pivot 15, spring 16 is installed, is separately installed with the rod member 17 for pushing tow bending jig arm 1 at the two ends of this spring 16.In the groove 14 of each bending jig arm 1, be respectively arranged with a curved splint 2, on the sidewall 13 of the upper end of flute profile plate, transverse axis 19 is installed, and the upper end of curved splint 2 is flexibly connected with transverse axis on this 19, be provided with the semicircle arc groove 21 for clamping electric wire in the central region of curved splint 2, lower transverse axis 18 is installed on the sidewall 13 of flute profile plate lower area, and the both sides of lower transverse axis 18 are provided with the locating part 6 for limiting distance between curved splint 2 free ends 22 and mainboard part 12.
elastic supporting member for supporting optical member 3 is by being arranged on the middle transverse axis 31 of flute profile plate sidewall 13 and being arranged on the spring 32 on middle transverse axis 31, and the support bar being driven by spring 32 33 being vertically fixed on middle transverse axis 31 forms.Limited support part 4 is to be made up of the rod member 42 with spill hook 41, one end of this limited support part 4 is by being flexibly connected with the fixed axis 23 on curved splint 2 sides, and the spill hook 41 of limited support part 4 can hang on the fixed axis 24 on another curved splint 2 sides.The function of described elastic supporting member for supporting optical member 3 is to support curved splint 2, so that its free end 22 leaves the mainboard part 12 in flute profile plate, and limited support part 4 is the parts for supporting two curved splint 2 spacing.When the spill hook 41 of limited support part 4 is departed to fixed axis 24, two curved splints 2 free end 22 on it under the support of elastic supporting member for supporting optical member 3 can crash or spacing less, so, in the time that guiding line upthrow is hung this clamp, after touching limited support part 4, the opening that wire enters clamp can make the spill hook 41 on it depart from fixed axis 24, now, two curved splints 2 can be by conductor clamping under the effect of elastic supporting member for supporting optical member 3.
limit-type hook 5 is made up of plate 51, one end of this plate 51 is also provided with spill hook 52, plate 51 is flexibly connected with the lower transverse axis 18 on a flute profile plate away from one end of spill hook 52, and the other end of plate 51 can hang on the lower transverse axis 18 on another flute profile plate.Limit-type hook 5 is for two bending jig arm 1 are pulled in to parts together, the upper area of described bending jig arm 1 lateral surface is provided with the bolt 7 for being connected with earth connection, after this clamp hangs on wire, want it to take off from wire, just can make this clamp upset as long as socket ground wire, wire can move and can touch limit-type hook 5 to the direction of limit-type hook 5 by the semicircle arc groove 21 from curved splint 2, upper recess thereof shape hook 52 and lower transverse axis 18 are departed from, and then can make under the effect of the spring 16 pushing tow rod members 17 of two bending jig arm 1 on pivot 15, bending jig arm 1 can be rotated along pivot 15, it can depart from wire after launching, cause this kind of mode of operation can be very convenient.
locating part 6 is the parts for hooking curved splint 2 free ends 22, and to prevent in the time that two bending jig arm 1 are launched, the free end 22 of curved splint 2 arbitrarily rotates under the support of elastic supporting member for supporting optical member 3.Locating part 6 comprises that two with the bar shaped plate 61 of chute 63 and limit shaft 62 for being connected two bar shaped plate 61 ends, and the outer end of lower transverse axis 18 is inserted on the chute 63 of this bar shaped plate 62.
Claims (9)
1. throw the clamp of hanging earth connection, it is characterized in that: this clamp comprises end by pivotally connected two bending jig arm and is separately positioned on the curved splint of each bending jig arm inner side, and for limiting elastic supporting member for supporting optical member and the limited support part of curved splint position, and limit-type hook is also installed between two bending jig arm.
2. clamp according to claim 1, is characterized in that: described bending jig arm is made up of flute profile plate, and the central region of each flute profile plate is provided with bend.
3. clamp according to claim 2, is characterized in that: on the sidewall of described flute profile plate upper end, transverse axis is installed, and the upper end of curved splint is flexibly connected with transverse axis on this.
4. clamp according to claim 1 and 2, is characterized in that: described elastic supporting member for supporting optical member, by being arranged on the middle transverse axis of flute profile plate sidewall and being arranged on the spring on middle transverse axis, and is vertically fixed on being made up of spring driven support bar on middle transverse axis.
5. clamp according to claim 1, is characterized in that: the central region of described curved splint is provided with the semicircle arc groove for clamping electric wire.
6. clamp according to claim 2, it is characterized in that: on the sidewall of described flute profile plate lower area, lower transverse axis is installed, in the both sides of lower transverse axis, the locating part for limiting distance between curved splint free end and flute profile plate is installed, this locating part comprises that two with the bar shaped plate of chute and limit shaft for being connected two bar shaped plate ends, and the outer end of lower transverse axis is inserted on the chute of this bar shaped plate.
7. according to the clamp described in claim 1 or 6, it is characterized in that: described limit-type hook is made up of plate, one end of this plate is flexibly connected with the lower transverse axis on a flute profile plate, and the other end of plate is provided with the spill hook on the lower transverse axis that can hang on another flute profile plate.
8. clamp according to claim 1, it is characterized in that: one end of described limited support part is by being flexibly connected with the fixed axis on a curved splint side, and the other end of limited support part is provided with the spill hook on the fixed axis that can hang on another curved splint side.
9. clamp according to claim 1, is characterized in that: on described pivot, spring is installed, is separately installed with the rod member for pushing tow bending jig arm at the two ends of this spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410257057.XA CN104037508A (en) | 2014-06-11 | 2014-06-11 | Clamp for throwing type grounding wire |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410257057.XA CN104037508A (en) | 2014-06-11 | 2014-06-11 | Clamp for throwing type grounding wire |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104037508A true CN104037508A (en) | 2014-09-10 |
Family
ID=51468186
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410257057.XA Pending CN104037508A (en) | 2014-06-11 | 2014-06-11 | Clamp for throwing type grounding wire |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104037508A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106877028A (en) * | 2017-03-23 | 2017-06-20 | 国家电网公司 | A kind of earth connection point for double bundle conductor |
| CN107248629A (en) * | 2017-07-12 | 2017-10-13 | 国家电网公司 | A kind of multi-purpose earthing clamp |
| CN110783724A (en) * | 2019-10-30 | 2020-02-11 | 浙江广为电器工具有限公司 | Push type storage battery presss from both sides |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201038352Y (en) * | 2006-12-30 | 2008-03-19 | 辽宁省电力有限公司本溪供电公司 | Earth line clamp on-line prompt device |
| CN201754434U (en) * | 2010-05-27 | 2011-03-02 | 天津市电力公司 | Ground wire device capable of quickly lacerating oxide layer and ice layer on surface of transmission line |
| CN202094325U (en) * | 2011-03-28 | 2011-12-28 | 孙洪伟 | Portable short-circuit grounding wire clip |
| CN202189912U (en) * | 2011-09-13 | 2012-04-11 | 商洛供电局 | Overhead transmission line grounding device |
| CN103457052A (en) * | 2013-08-08 | 2013-12-18 | 国家电网公司 | Grounding wire clamp |
| CN203932330U (en) * | 2014-06-11 | 2014-11-05 | 赵志军 | Throw the clamp of hanging earth connection |
-
2014
- 2014-06-11 CN CN201410257057.XA patent/CN104037508A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201038352Y (en) * | 2006-12-30 | 2008-03-19 | 辽宁省电力有限公司本溪供电公司 | Earth line clamp on-line prompt device |
| CN201754434U (en) * | 2010-05-27 | 2011-03-02 | 天津市电力公司 | Ground wire device capable of quickly lacerating oxide layer and ice layer on surface of transmission line |
| CN202094325U (en) * | 2011-03-28 | 2011-12-28 | 孙洪伟 | Portable short-circuit grounding wire clip |
| CN202189912U (en) * | 2011-09-13 | 2012-04-11 | 商洛供电局 | Overhead transmission line grounding device |
| CN103457052A (en) * | 2013-08-08 | 2013-12-18 | 国家电网公司 | Grounding wire clamp |
| CN203932330U (en) * | 2014-06-11 | 2014-11-05 | 赵志军 | Throw the clamp of hanging earth connection |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106877028A (en) * | 2017-03-23 | 2017-06-20 | 国家电网公司 | A kind of earth connection point for double bundle conductor |
| CN106877028B (en) * | 2017-03-23 | 2023-09-15 | 国家电网公司 | Ground wire connector for double split conductors |
| CN107248629A (en) * | 2017-07-12 | 2017-10-13 | 国家电网公司 | A kind of multi-purpose earthing clamp |
| CN110783724A (en) * | 2019-10-30 | 2020-02-11 | 浙江广为电器工具有限公司 | Push type storage battery presss from both sides |
| CN110783724B (en) * | 2019-10-30 | 2021-04-30 | 浙江广为电器工具有限公司 | Push type storage battery presss from both sides |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| AD01 | Patent right deemed abandoned |
Effective date of abandoning: 20170721 |