SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that the defects in the prior art are overcome, and discloses a novel grounding wire for a power transmission line iron tower, which is based on the structure of the conventional grounding wire, is used for performing full-function perfection on the conventional device by combining operation and maintenance experience, meets the requirements of various conventional operations, improves the operation efficiency and safety performance, and reduces the operation risk.
The technical scheme adopted by the utility model for solving the technical problems is as follows: the utility model provides a novel transmission line iron tower earth connection, includes earth connection, telescopic insulating bar and solid fixed ring, the both ends of earth connection are connected with wire end metal chuck and ground connection anchor clamps respectively, establish to the link on telescopic insulating bar's top, establish to the handle end in telescopic insulating bar's bottom, the link with wire end metal chuck links to each other, the fixed ring is located on the telescopic insulating bar and be located the link with between the handle end, the earth connection with gu fixed ring links to each other, novel transmission line iron tower earth connection still include with the handle end links to each other and is used for fixing the flexible fixing device of handle end.
Preferably, the telescopic fixing device comprises a fixing wire, and one end of the fixing wire is connected with the handle end.
Preferably, the telescopic fixing device further comprises an elastic rolling piece for realizing automatic rolling of the fixing wire, and the fixing wire is partially wound on the elastic rolling piece.
Preferably, the elastic roll-up member is a coil spring.
Preferably, the telescopic insulating operating rod comprises a plurality of telescopic rods, one fixing ring is arranged at the top of each telescopic rod, and the grounding wire penetrates through each fixing ring one by one.
Preferably, one of the fixing rings closest to the handle end is a bottom fixing ring made of an insulating material.
Preferably, the novel grounding wire for the power transmission line iron tower further comprises an insulating light-weight large umbrella skirt fixed on the telescopic insulating operating rod, and the insulating light-weight large umbrella skirt is arranged on the bottom fixing ring and between the handle ends.
Preferably, the insulating property of the telescopic insulating operating rod is the same as that of the insulating light large umbrella skirt.
Preferably, the telescopic insulating operating rod is connected with the metal chuck at the wire end through a universal connecting member.
Preferably, the fixing ring is detachably connected with the telescopic insulating operating rod.
Compared with the prior art, the utility model has the following advantages:
compared with the prior art, the utility model is based on the structure of the existing conventional grounding wire, combines the operation and maintenance experience, performs full-function perfection on the existing device, meets the requirements of various conventional operations, and can improve the operation efficiency and safety performance and reduce the operation risk by arranging the fixing ring, the telescopic fixing device and the like.
Detailed Description
The present invention is described in detail with reference to the embodiments shown in the drawings, but it should be understood that these embodiments are not intended to limit the present invention, and those skilled in the art should understand that functional, methodological, or structural equivalents or substitutions made by these embodiments are within the scope of the present invention.
The following describes a novel grounding wire for an iron tower of a power transmission line in further detail with reference to fig. 1.
The utility model discloses a novel power transmission line iron tower grounding wire which comprises a grounding wire 7, a telescopic insulating operating rod 4 and a fixing ring 3, wherein two ends of the grounding wire 7 are respectively connected with a wire end metal chuck 1 and a grounding clamp 8, the top end of the telescopic insulating operating rod 4 is set as a connecting end, the bottom end of the telescopic insulating operating rod 4 is set as a handle end, the connecting end is connected with the wire end metal chuck 1, the fixing ring 3 is arranged on the telescopic insulating operating rod 4 and is positioned between the connecting end and the handle end, the grounding wire 7 is connected with the fixing ring 3, and the novel power transmission line iron tower grounding wire further comprises a telescopic fixing device 5 which is connected with the handle end and is used for fixing the handle end.
In the present embodiment, the lead end metal clip 1 is used for connection with a lead. The whole fixed ring 3 is annular and can be fixed on the telescopic insulating operating rod 4 in a welding, clamping or threaded connection mode. The securing ring 3 has two functions. On one hand, after the fixing ring 3 is used, the fixing ring 3 plays a limiting role on the ground wire 7, the fixing ring 3 plays a role similar to a lever fulcrum on the ground wire 7, the ground wire 7 can be limited within a certain range, the connection part of the ground wire 7 and the fixing ring 3 can be prevented from swinging with the wind in the operation process, and the operation efficiency of hanging and grounding of the strain tower can be improved by more than 70%. The safety performance of the utility model and the working efficiency of hanging the grounding wire 7 are effectively improved. On the other hand, after the grounding wire 7 passes through the fixing ring 3, the fixing ring 3 plays a certain supporting role on the grounding wire 7, so that the grounding wire 7 can be effectively prevented from gathering to one end of an operator, the burden of the operator for holding heavy objects for a long time is reduced, the requirement on the arm strength of the operator is lowered, and the assembly and disassembly efficiency of the novel grounding wire of the power transmission line iron tower is improved.
The telescopic insulating operation rod 4 is a telescopic rod made of an insulating material and used for supporting and fixing the grounding wire 7. The telescopic fixing device 5 is detachably connected with the tail end of the telescopic insulating operating rod 4 through a bolt. After the grounding wire 7 is installed, the telescopic fixing device 5 is used for fixing the telescopic insulating operating rod 4 on a tower, so that the telescopic insulating operating rod 4 is prevented from being suspended and being empty due to external force (wind power and the like). That is, on telescopic fixing device 5's one end was fixed in the shaft tower, the other end was fixed with telescopic insulating bar 4's handle end, so, guaranteed that telescopic insulating bar 4 can not rock with the wind, can effectively avoid it to drop, prevented that telescopic insulating bar 4 stagnation from hanging or hanging behind the exogenic action to personnel can not get. The telescopic insulating operating rod 4 is ensured to be always connected with the grounding wire 7 and the metal chuck 1 at the wire end.
The metal clamp 1 and the grounding clamp 8 at the wire end can be selected from a universal clamp, one end of the grounding wire 7 connected with the grounding clamp 8 is a grounding end, and the grounding clamp 8 can be in various different structures. When the grounding wire is used, the grounding end is detachably connected with the grounding clamp 8, and the length of the grounding wire 7 needs to meet the use requirement.
More specifically, the ground wire 7 has a cross-sectional area of 25mm2The length of the copper wire is 6 meters or a single-phase grounding wire 7.
According to the novel power transmission line iron tower grounding wire, the existing device is fully completed in terms of the traditional power connection wire specification (based on the structure of the existing conventional grounding wire 7) and operation and maintenance experience, the requirements of various conventional operations are met, the operation efficiency can be effectively improved, and the safety risk is reduced.
According to an embodiment of the present invention, the telescopic fixture 5 comprises a fixing wire, one end of which is connected to the handle end.
More specifically, the telescopic fixture 5 further comprises an elastic reel member for realizing automatic winding of the fixing thread, which is partially wound around the elastic reel member.
More specifically, the elastic roll-up member is a coil spring.
In the embodiment, by arranging the elastic rolling piece, the fixed wire can be pulled out and loosened, and then automatic winding and rolling can be realized. The structure can ensure that the fixed line meets the requirements of different installation lengths, and can avoid messy fixed lines.
According to the embodiment of the utility model, the telescopic insulating operation rod 4 comprises a plurality of telescopic rods, a fixed ring 3 is arranged at the top of each telescopic rod, and the grounding wire 7 passes through each fixed ring 3 one by one.
That is, in the present embodiment, the telescopic insulating operation rod 4 is telescopic, and the detachable fixing ring 3 is attached to each segment, and by increasing the number of the fixing rings 3, it is advantageous to further restrict the position of the ground wire 7.
According to an embodiment of the present invention, one fixing ring 3 of the plurality of fixing rings 3, which is closest to the handle end, is set as a bottom fixing ring, which is made of an insulating material. In this embodiment, the bottom fixing ring is made of an insulating material, which contributes to further improvement of safety performance.
According to the specific embodiment of the utility model, the novel power transmission line iron tower grounding wire further comprises an insulating light large umbrella skirt 6 fixed on the telescopic insulating operating rod 4, and the insulating light large umbrella skirt 6 is arranged between the bottom fixing ring and the handle end.
More specifically, the insulating performance of the telescopic insulating operation rod 4 is the same as that of the insulating light-duty large shed 6.
In this embodiment, the insulating light-duty large umbrella skirt 6 is located above the handheld position and used for separating the human body from the grounding wire 7 and preventing the body of a person from mistakenly touching the grounding wire 7. The insulating property of the insulating glove is the same as that of an operating rod, the creepage distance is increased through the insulating light large umbrella skirt 6, and the insulating glove can be replaced for use during operation. The safety performance of the novel grounding wire for the power transmission line iron tower can be further improved.
According to the embodiment of the utility model, the telescopic insulating operating rod 4 is connected with the wire end metal chuck 1 through the universal connecting member 2. In the present embodiment, the universal joint member 2 is a universal joint device. That is, the relative rotation angle range between the wire end metal chuck 1 and the telescopic insulating operation rod 4 can be made larger by the universal joint, and various scenes such as vertical installation, horizontal installation, inclined installation and the like of the grounding wire 7 can be satisfied. The requirement that the grounding wire is assembled and disassembled at each position by an operator is met. Namely: can be suitable for different angles, also can let telescopic insulating bar 4 finally keep the vertical state, the structure after whole ground connection is more stable like this.
According to an embodiment of the present invention, the fixing ring 3 is detachably coupled to the telescopic insulating operating rod 4.
More specifically, the fixing ring 3 is connected with the telescopic insulating operating rod 4 through a threaded connection piece, so that replacement and maintenance are facilitated.
In the above embodiment, the telescopic insulating operating rod 4 is of a telescopic structure, and each component can be assembled in a split manner, so that the telescopic insulating operating rod is convenient to carry.
Compared with the prior art, when the novel grounding wire for the power transmission line iron tower is used, a person can move to the inner side of the wing of the tower to operate when the grounding wire is assembled and disassembled, the number of components on the inner side of the wing of the tower is large, and the personnel safety is guaranteed better, (in the prior art, the person standing position is right above the wire, and the right above the wire is a line hanging point, so the novel grounding wire for the power transmission line iron tower is generally very spacious, the position where the person holds the hand or hangs a safety belt is relatively low, and the safety is poor).
Compared with the prior art, the utility model is based on the structure of the existing conventional grounding wire, combines the operation and maintenance experience, performs full-function perfection on the existing device, meets the requirements of various conventional operations, and can improve the operation efficiency and safety performance and reduce the operation risk by arranging the fixing ring, the telescopic fixing device and the like.
The above-listed detailed description is only a specific description of a possible embodiment of the present invention, and they are not intended to limit the scope of the present invention, and equivalent embodiments or modifications made without departing from the technical spirit of the present invention should be included in the scope of the present invention.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.