CN204391653U - Outer wedge type split mounting type shunt line - Google Patents

Outer wedge type split mounting type shunt line Download PDF

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Publication number
CN204391653U
CN204391653U CN201420722196.0U CN201420722196U CN204391653U CN 204391653 U CN204391653 U CN 204391653U CN 201420722196 U CN201420722196 U CN 201420722196U CN 204391653 U CN204391653 U CN 204391653U
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China
Prior art keywords
shunt line
wedge
split mounting
type
mounting type
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Application number
CN201420722196.0U
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Chinese (zh)
Inventor
姜常胜
王吉敏
李爽
李冠华
李学斌
韩洪刚
张忠瑞
唐红
王汀
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
Electric Power Research Institute of State Grid Liaoning Electric Power Co Ltd
Original Assignee
State Grid Corp of China SGCC
Electric Power Research Institute of State Grid Liaoning Electric Power Co Ltd
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Priority to CN201420722196.0U priority Critical patent/CN204391653U/en
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Publication of CN204391653U publication Critical patent/CN204391653U/en
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Abstract

The utility model relates to the technical field of electric power system, particularly relates to a kind of outer wedge type split mounting type shunt line, the shunt line be made up of outer wedge type split mounting type wire clamp and steel reinforced aluminium conductor.The utility model be by hold with a firm grip former conductor part be connected new shunt line part altogether two parts connect to form; The special wire clamp that former conductor part of holding with a firm grip is made up of sleeve pipe and wedge; Connecting new shunt line part adopts hydraulic compression pipe to be connected with shunt line.Have mounting or dismounting convenient, safe and reliable, rational in infrastructure simple, practical, be convenient to process and installation and the distinguishing feature of technique advanced person.Make shunt line while the mechanical strength of satisfied regulation and electrical strength etc. require, reach non-maintaining object.Reach best bond strength and contact area, and by type approval tests such as pulling force, vibration and temperature rises., can not there is the problems such as node superheating phenomenon and corona discharge, make the personal safety of operating personnel obtain effective guarantee in the uniformity of guarantee face contact, also meet simultaneously and produce actual requirement.

Description

Outer wedge type split mounting type shunt line
Technical field
The utility model relates to the technical field of electric power system, particularly relates to a kind of outer wedge type split mounting type shunt line, the shunt line be made up of outer wedge type split mounting type wire clamp and steel reinforced aluminium conductor.It is overheated to be applicable to prevention or to process conductor node, can improve power supply capacity and reliability, lower maintenance cost.
Background technology
For shunt line gold utensil, successively live through direct colligation pilot wire, lead to wire clamp, preformed armor rods finishing strips by the contact wire of bolt clip plate formula, aluminium parallel groove clamp, wound and pacify the Technical Development Histories such as general wire clamp.
The most original but to be also the method be widely used be, directly with pilot wire, the node that maybe may generate heat of heating is carried out cross-over connection in parallel, the part be connected with wire directly uses aluminum steel colligation, and popular saying is called " burlap ".Although this way is practical, one to carry out operation time-consuming, and two are difficult to quantitative appraisal in quality, and outward appearance technique also unsightly in addition.
Usually adopt live line working for overheated node, overlap the interim processing method of interim shunt line, the connected mode of itself and wire is for bolt clip plate formula incidental contact wire.Because of limited mechanical strength, can only as interim measure, there is risk in long-time running.
Aluminium parallel groove clamp is the conventional shunt line of China or T-shaped wire clamp form, and from operating experience, it goes wrong also is maximum, owing to being tightened by bolts pressing plate, when after experience bad condition, bolt can loosen, cause contact resistance to increase, node occurs overheated.
The logical wire clamp of wound is the another kind of form of parallel groove clamp, because it adopts bolt to apply pressing plate, after running one section, the problem causing node-resistance to increase because of bolt looseness still can occur.
Pre reeled silk type finishing strips comes across the U.S. early than the 40-50 age in 20th century, in recent years by system for the reinforcement of straight line splicing sleeve, operational effect is good.Its weak point is when disconnected stock really occurs splicing sleeve place wire, cannot observe; Its reinforcing effect there is no definite data information.In addition, because finishing strips is longer, work high above the ground is inconvenient.
Pacifying general wire clamp is the sixties in 20th century, and AMP, ACT of the utilization wedge shape interconnection technique of America Ample Corporation's utility model pacify general wedge clamp, and have the global patent right of this product.Its ruuning situation is good.Its form is between parallel groove clamp and wedge clamp.Undesirable part is that the wire head that it exposes exists corona phenomenon, and in addition, its installation need, with special air gun, be not very convenient.
As mentioned above, the conducting wire splitting problem of shunt line gold utensil causes the attention of relevant technical staff in the field, but because the usable condition of each department differs, therefore also there is many problems in above-mentioned existing shunt line gold utensil, therefore, the new scientific research task of current those skilled in the art is become for the design of shunt line gold utensil and R&D work.
Summary of the invention
For above-mentioned the deficiencies in the prior art part, the utility model provides a kind of outer wedge type split mounting type shunt line.Its objective is and improve power supply capacity and reliability, and greatly reduce the maintenance cost of equipment.
The utility model solves the technical scheme that its technical problem adopts:
Outer wedge type split mounting type shunt line, be by hold with a firm grip former conductor part be connected new shunt line part altogether two parts connect to form; Wherein, the special wire clamp that former conductor part of holding with a firm grip is made up of sleeve pipe and wedge; Connecting new shunt line part adopts hydraulic compression pipe to be connected with shunt line;
Described hold with a firm grip former conductor part be connected new shunt line part and adopt integral casting forming.
The large outside diameter of described sleeve pipe draws shunt line compressed pipe, and compressed pipe and wire clamp between centers are with the angle of 2 degree.
The inner face that described sleeve pipe and wedge contact with wire is semicircular structure; Internal surface of sleeve pipe is provided with spill slideway, and wedge 1 outer wall is provided with convex slideway, and the two forms male and female linked vector graph, is provided with relative position stopping means between the two.
Described spill slideway and convex slideway are respectively equipped with four.
The section of described wedge is outer tiltedly interior straight structure, and wedge inside is the taper chute type structure of interior semi circular surface.
The outer wall of described wedge is pyramidal structure, and wedge two ends are provided with iron hammer and hit position.
The utility model, according to Kirchhoff's current law (KCL), utilizes, with the wire of wire same model, node is carried out cross-over connection, realizes " N-1 " configuration, plays the effect of parallel shunt, improve the flow conductivity of node, reduce the risk that node is overheated.Due to the kelvin effect of electric current, be feasible by bonding that conductive line surfaces carries out shunting.Frictional force is directly proportional to pressure, and after pressure acquires a certain degree, the mechanical strength between shunting wire clamp and wire can be met.Use wedge shape interconnection technique, in wedge stroke, reduce wire clamp internal diameter, compress wire gradually, make it meet certain mechanical strength.Male and female syndeton taked by wire clamp, and convenient installation, can increase the connection area of sleeve pipe and wedge simultaneously, improves intensity, and while guarantee produces enough pressure to wire, wire clamp also meets requirement of strength.When wire clamp and conductive contact area acquire a certain degree, electrical strength requirement can be met.
Along with the employing of aluminum alloy materials and the raising of processing technology, develop lightweight, intensity is high, easy for installation, meet regulation electrically and the gold utensil of mechanical performance become possibility.
Advantage of the present utility model and beneficial effect are:
The utility model have mounting or dismounting convenient, safe and reliable, non-maintaining, rational in infrastructure simple, practical, be convenient to process and installation, technique advanced person distinguishing feature.Make shunt line while the mechanical strength of satisfied regulation and electrical strength etc. require, reach non-maintaining object.Reach best bond strength and contact area, and by type approval tests such as pulling force, vibration and temperature rises.Realize male and female syndeton and coordinate wedge structure, making wire clamp itself have enough mechanical strengths.The utility model also meets the conductive capability of regulation, and the uniformity that the face that ensures contacts, the node superheating phenomenon because shunting wire clamp causes can not be there is.Ensure the problems such as corona discharge to occur when running, make the personal safety of operating personnel obtain effective guarantee, also meet simultaneously and produce actual requirement.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the generalized section of Fig. 1.
In figure: wedge 1, sleeve pipe 2, compressed pipe 3.
Below in conjunction with the drawings and specific embodiments, the utility model is described in more detail.
Embodiment
Outer wedge type split mounting type shunt line is a kind of outer wedge type split mounting type shunt line, and as depicted in figs. 1 and 2, the utility model, primarily of holding former conductor part and be connected the common two parts of new shunt line part and form with a firm grip, adopts integral casting forming between two parts.Wherein, the special wire clamp that former conductor part of holding with a firm grip is made up of sleeve pipe 2 and wedge 1; Connecting new shunt line part adopts hydraulic compression pipe 3 to be connected with shunt line.
Sleeve pipe 2 and wedge 1 are semicircle with conductor contact surface, in order to ensure that wire clamp fully contacts with wire, reach predetermined frictional force; Outer wall is taper, to ensure along with the wedging of wedge 1 produces enough pressure.Sleeve pipe 2 inwall mills out four spill slideways, and wedge 1 outer wall mills out four convex slideways, makes to form male and female linked vector graph both it, to ensure the bonding strength between the two.There is relative position stopping means between the two, to ensure that internal diameter that it is formed reaches the size of regulation.Wedge 1 two ends are reserved iron hammer and are hit position, to be easy for installation and removal.The section of wedge 1 is outer tiltedly interior straight, and taper slideway can play the effect of compression inner space, and interior semi circular surface can ensure that wire clamp inwall fully contacts with wire, improves ampacity.
The large outside diameter of sleeve pipe 2 draws shunt line compressed pipe 3.There is the angle of 2 degree in compressed pipe 3 and wire clamp between centers.
The utility model is when implementing, and concrete operations flow process is as follows:
The two ends of shunt conductor are connected with sleeve pipe 2 of the present utility model by the first step respectively, and connected mode adopts hydraulic pressure, guarantee the tightness connected;
Second step, by compressed pipe 3 and aerial condutor snapping, adjusts compressed pipe 3 simultaneously, makes shunt conductor be in suitable degree of speeding;
3rd step, by the wedge 1 Wedge Pressure draw 3, the connection of fastening compressed pipe 3 and overhead wire.

Claims (7)

1. outer wedge type split mounting type shunt line, is characterized in that: by hold with a firm grip former conductor part be connected new shunt line part altogether two parts connect to form; Wherein, the special wire clamp that former conductor part of holding with a firm grip is made up of sleeve pipe (2) and wedge (1); Connecting new shunt line part adopts hydraulic compression pipe (3) to be connected with shunt line.
2. outer wedge type split mounting type shunt line according to claim 1, is characterized in that: described hold with a firm grip former conductor part be connected new shunt line part and adopt integral casting forming.
3. outer wedge type split mounting type shunt line according to claim 1, is characterized in that: the large outside diameter of described sleeve pipe (2) draws shunt line compressed pipe (3), compressed pipe (3) and the angle of wire clamp between centers with 2 degree.
4. outer wedge type split mounting type shunt line according to claim 1, is characterized in that: the inner face that described sleeve pipe (2) and wedge (1) contact with wire is semicircular structure; Sleeve pipe (2) inwall is provided with spill slideway, and wedge (1) outer wall is provided with convex slideway, and the two forms male and female linked vector graph, is provided with relative position stopping means between the two.
5. outer wedge type split mounting type shunt line according to claim 4, is characterized in that: described spill slideway and convex slideway are respectively equipped with four.
6. outer wedge type split mounting type shunt line according to claim 1, is characterized in that: the section of described wedge (1) is outer tiltedly interior straight structure, and wedge (1) inside is the taper chute type structure of interior semi circular surface.
7. outer wedge type split mounting type shunt line according to claim 1, is characterized in that: the outer wall of described wedge (1) is pyramidal structure, and wedge (1) two ends are provided with iron hammer and hit position.
CN201420722196.0U 2014-11-27 2014-11-27 Outer wedge type split mounting type shunt line Active CN204391653U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201420722196.0U CN204391653U (en) 2014-11-27 2014-11-27 Outer wedge type split mounting type shunt line

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Application Number Priority Date Filing Date Title
CN201420722196.0U CN204391653U (en) 2014-11-27 2014-11-27 Outer wedge type split mounting type shunt line

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CN204391653U true CN204391653U (en) 2015-06-10

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105826870A (en) * 2016-06-08 2016-08-03 国网辽宁省电力有限公司电力科学研究院 Wedge-shaped diversion line ground potential live installation combination tool

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105826870A (en) * 2016-06-08 2016-08-03 国网辽宁省电力有限公司电力科学研究院 Wedge-shaped diversion line ground potential live installation combination tool

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