CN204011800U - A kind of earthing clamp and operating means thereof - Google Patents
A kind of earthing clamp and operating means thereof Download PDFInfo
- Publication number
- CN204011800U CN204011800U CN201420398254.9U CN201420398254U CN204011800U CN 204011800 U CN204011800 U CN 204011800U CN 201420398254 U CN201420398254 U CN 201420398254U CN 204011800 U CN204011800 U CN 204011800U
- Authority
- CN
- China
- Prior art keywords
- clamp
- operating means
- structural member
- wire
- earthing
- 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
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Abstract
The utility model discloses a kind of earthing clamp and operating means thereof, the clamp tail end of earthing clamp is provided with the clamp bracing wire being connected between two wire clamp clamps; The operating means of earthing clamp, comprises that a center has the structural member of through hole, the throughhole portions inversed taper platform structure of described structural member, and described structural member is arranged on the top of an insulated support, places the insulating bar that top has hook in described through hole.By this earthing clamp and operating means thereof, can effectively avoid causing the generation of power transmission line degree of impairment in installing and taking off process.
Description
Technical field
The utility model relates to electric grounding wire clamping device technical field, relates in particular to a kind of earthing clamp and the operating means thereof that can effectively avoid damaging power transmission cable.
Background technology
When the operation of transmission line power cut construction, first will take safety measures to maintenance circuit, groundwork is to carry out electrical verification and hanging earthing conductor, the earth connection articulating on shaft tower at present, the main touch-type spring dropout earthing clamp that adopts, ties up to earthing clamp afterbody with a thin insulation ropes.Staff opens wire clamp in advance, with afterbody insulation ropes, winched to wire top, then, loosen insulating cord downwards, make earthing clamp under self and the annealed copper wire Action of Gravity Field that is attached thereto, fall rapidly, after contacting with wire, the touch-type support chip of earthing clamp is threaded off, and the opening of earthing clamp is closed, be clipped on wire, complete whole installation process.Because wire and cross-arm are at a distance of 2-3 rice, earthing clamp one side is connected with annealed copper wire (center of gravity can be offset), and under the impact of natural wind, earthing clamp can not keep vertical downward direction always, so installation difficulty is large, affects operating efficiency.In addition, when this kind of earthing clamp installed, need to touch power transmission line by dropout, when taking off, adopt and pull bracing wire or earth connection that wire clamp is left behind from power transmission line, often wire is caused to cut equivalent damage.
As authorized disclosed application number on October 3rd, 2012, be that 201120560411.8 utility model patent discloses a kind of self-locking wire end earthing clamp, and all there is above-mentioned defect in a kind of auxiliary device for installation of grounding wire that the publication number of authorizing on January 15th, 2014 patent application that is CN 203398349U provides.
Utility model content
The purpose of this utility model is to provide a kind of earthing clamp and operating means thereof, by this earthing clamp and operating means thereof, can effectively avoid causing the generation of power transmission line degree of impairment in installing and taking off process.
For realizing the technical scheme that the purpose of this utility model adopts, be: a kind of earthing clamp, comprise by rotating shaft and the hinged wire clamp clamp of brute spring and be arranged on the earth connection on described wire clamp clamp, described wire clamp clamp front portion is provided with for clamping the groove of power transmission line, described wire clamp clamp tail end is provided with the clamp bracing wire being connected between two wire clamp clamps, in described groove, be provided with graphite linings, the afterbody setting of described wire clamp clamp is provided with the ramp structure that trends towards wire clamp clamp axis.
Described ramp structure is the globoidal structure of projection.
A kind of operating means of above-mentioned earthing clamp, comprise that a center has the structural member of through hole, the throughhole portions inversed taper platform structure of described structural member, described structural member is arranged on the top of an insulated support, places the insulating bar that top has hook in described through hole.
Described strutting piece and/or described action bars bottom are provided with thread groove.
Described strutting piece sidepiece is provided with for installing the limiting through hole of described action bars.
Described strutting piece bottom is provided with runner, and described runner is provided with crank, and described runner is connected with described action bars by draught line.
Described strutting piece is cylindrical element, and is communicated with the through hole lower end of described structural member.
Described strutting piece and described structural member integrative-structure.
The hook on described action bars top is the groove structure that is opened in action bars tip-end-side.
The utility model arranges the clamp bracing wire that connects two wire clamp clamps by the rear end at wire clamp clamp, by the structural member with back taper stage body cavity through hole is set at strutting piece top, during use, wire clamp clamp is placed in the conical through-hole of structural member, action bars penetrates and hooks bracing wire from the bottom of structural member, or action bars is penetrated to through hole and passes from the bottom of structural member, utilize and hook clamp bracing wire, by pull joystick, wire clamp can be opened, by Collaborative Control strutting piece and action bars, support bar upwards pushes away or maintains static, the downward tractive of action bars, can realize the folding of wire clamp, earthing clamp is held on power transmission line, whole process has been avoided the hard collision of earthing clamp and power transmission line, and in line taking folder, after opening wire clamp, take off again wire clamp, avoid scratching power transmission line.As prioritization scheme, by the groove at wire clamp clamp, graphite linings being set, inlay simply; graphite, because quality is soft, can effectively protect the safety of power transmission line, and graphitic conductive is good; can effectively improve the good contact of wire clamp and power transmission line, improve the conductance of earth connection.Operating means adopts runner effect haulage gear, and control by crank, easy and simple to handle laborsaving, in addition, strutting piece adopts cylindrical element, can adopt a pipe fitting, in one end of pipe fitting, inversed taper platform cavity structure is set, action bars needs only and penetrates from the other end of pipe fitting, and passes from having one end of inversed taper platform cavity structure, can realize the opening and Closed control of above-mentioned earthing clamp, simple in structure, easy to make, cost is low.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the utility model is described further:
Fig. 1 is the structural representation of the utility model earthing clamp;
Fig. 2 is the sectional view of clamp tail end ramp structure in the utility model;
Fig. 3 is the structural representation of the utility model earthing clamp and its operating means;
Fig. 4 is the structural representation at a place in the utility model Fig. 3;
Fig. 5 is the structural representation at b place in the utility model Fig. 3;
Fig. 6 is the structural representation of the utility model embodiment tri-;
Fig. 7 is the structural representation of action bars top hook in the utility model.
Embodiment
Embodiment mono-
As shown in Figure 1 and Figure 2: a kind of earthing clamp, comprise by rotating shaft 4 and the hinged wire clamp clamp 6 of brute spring and be arranged on the earth connection 7 on described wire clamp clamp 6, described wire clamp clamp 6 front portions are provided with for clamping the groove of power transmission line, described wire clamp clamp 6 tail ends are provided with the clamp bracing wire 1 that is connected to 6 of two wire clamp clamps, in described groove, be provided with graphite linings 5, the afterbody setting of described wire clamp clamp 6 is provided with the ramp structure 3 that trends towards wire clamp clamp 6 axis, and the inclined-plane 2 of described ramp structure 3 is globoidal structure.
Embodiment bis-
As shown in Fig. 3, Fig. 4, Fig. 5: a kind of operating means of earthing clamp, comprise that a center has the structural member 8 of through hole, the throughhole portions inversed taper platform structure of described structural member 8, the cambered surface radian of the radian of its through hole and wire clip body tail end ramp structure is suitable, can effectively improve the contact stabilization of wire clamp clamp and structural member inner surface, avoid wire clamp deflection, convenient operation.Described structural member 8 is arranged on the top of an insulated support 9, places the insulating bar 10 that top has hook 12 in described through hole.Described strutting piece 9 and described action bars 10 bottoms are provided with thread groove, be used for expanding prolongation strutting piece 9 and action bars 10, described strutting piece 9 adopts bar type structure, its sidepiece is provided with for installing the limiting through hole part 11 of described action bars 10, described limiting through hole part is cylinder or annulus, the action bars 10 that prevents from installing in the inner tilts, and improves the convenience of operation.Described strutting piece 9 bottoms are provided with runner 14, and described runner 14 is provided with crank 15, and described runner 14 is connected with described action bars 10 by draught line 13.During installation and removal earthing clamp, by control operation bar 10, linked up with 12 and be hung in clamp bracing wire, by crank 15 rotating wheels 14, be wound around draught line 13, drive the drop-down folder wiring of action bars 10, can be by the opening of earthing clamp, the installation that is grounded line articulates and removal.
Embodiment tri-
As shown in Figure 6, Figure 7: the hook 12 on described action bars 10 tops is for being opened in the groove structure of action bars 10 tip-end-side.Described strutting piece 9 is cylindrical element, and be communicated with the through hole lower end of described structural member 8, the two can adopt and mutually be threaded as the thread groove structure of support bar 10 bottoms, or, directly be made as integrative-structure, as shown in Figure 6, one section of the top of described strutting piece 9 and described structural member 8 form integrative-structures, 9 of strutting pieces are threaded mutually, and action bars 10 is placed through the inside of strutting piece 9.
Claims (8)
1. an earthing clamp, comprise by rotating shaft and the hinged wire clamp clamp of brute spring and be arranged on the earth connection on described wire clamp clamp, it is characterized in that: described wire clamp clamp front portion is provided with for clamping the groove of power transmission line, described wire clamp clamp tail end is provided with the clamp bracing wire being connected between two wire clamp clamps, in described groove, be provided with graphite linings, the afterbody setting of described wire clamp clamp is provided with the ramp structure that trends towards wire clamp clamp axis.
2. earthing clamp as claimed in claim 1, is characterized in that: the globoidal structure that described ramp structure is projection.
3. the operating means of earthing clamp as claimed in claim 1 or 2, it is characterized in that: it comprises that a center has the structural member of through hole, the throughhole portions inversed taper platform structure of described structural member, described structural member is arranged on the top of an insulated support, places the insulating bar that top has hook in described through hole.
4. operating means as claimed in claim 3, is characterized in that: described strutting piece and/or described action bars bottom are provided with thread groove.
5. operating means as claimed in claim 3, is characterized in that: described strutting piece sidepiece is provided with for installing the limiting through hole of described action bars.
6. the operating means as described in claim 3 or 5, is characterized in that: described strutting piece bottom is provided with runner, and described runner is provided with crank, and described runner is connected with described action bars by draught line.
7. the operating means as described in claim 3 or 4, is characterized in that: described strutting piece is cylindrical element, and is communicated with the through hole lower end of described structural member.
8. operating means as claimed in claim 7, is characterized in that: described strutting piece and described structural member integrative-structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420398254.9U CN204011800U (en) | 2014-07-18 | 2014-07-18 | A kind of earthing clamp and operating means thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420398254.9U CN204011800U (en) | 2014-07-18 | 2014-07-18 | A kind of earthing clamp and operating means thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204011800U true CN204011800U (en) | 2014-12-10 |
Family
ID=52051751
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420398254.9U Expired - Fee Related CN204011800U (en) | 2014-07-18 | 2014-07-18 | A kind of earthing clamp and operating means thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204011800U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106450839A (en) * | 2016-07-22 | 2017-02-22 | 国家电网公司 | Connection rod for testing 500kV transformer/reactor |
-
2014
- 2014-07-18 CN CN201420398254.9U patent/CN204011800U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106450839A (en) * | 2016-07-22 | 2017-02-22 | 国家电网公司 | Connection rod for testing 500kV transformer/reactor |
| CN106450839B (en) * | 2016-07-22 | 2019-06-21 | 国家电网公司 | A kind of 500kV transformer/reactor test connection bar |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141210 |