CN217061880U - Temporary current shunting device for generating heating current of GIS shell - Google Patents

Abstract

The utility model discloses a cause interim diverging device of electric current of GIS shell heating current relates to reposition of redundant personnel equipment technical field, and it includes electrically conductive reposition of redundant personnel mechanism, the outer wall both ends of telescopic joint have all set firmly the ring flange, and the ring flange is provided with and is connected with positioning bolt between two sets of and the ring flange, positioning bolt's both ends all extend to the outside of ring flange and positioning bolt and the junction outside spiro union of ring flange have fastening nut, and the both ends of reposition of redundant personnel line correspond the positioning bolt who connects the ring flange under the connection respectively. The device utilizes the positioning bolt of the ring flange about the branch line connection telescopic joint, and increase contact surface and year flow surface play the purpose of reposition of redundant personnel, reduce the electric current that flows through the temperature anomaly to reach the effect of cooling, solve because of the through-flow is obstructed, the not enough problem of generating heat that leads to the double-end to wearing the bolt of capacity, the temperature that makes to generate heat effectively reduces, has also avoided leading to the emergence of transmission of electricity outward equipment insulation breakdown short-circuit accident because of gas leakage as far as possible.

Description

Temporary current shunting device for generating heating current of GIS shell

Technical Field

The utility model relates to a shunting equipment technical field, especially a temporary diverging device of electric current that arouses GIS shell electric current that generates heat.

Background

All conductive parts of the GIS are completely sealed by using metal shells, the shells are directly grounded at multiple points, and the shells at all sections are directly connected through bolts and flow guide rows. At present, the GIS device has 3 outgoing line intervals which are respectively 201 switch intervals, 202 switch intervals and 203 switch intervals, the part with higher temperature is 203 switch interval outgoing line cylinder telescopic joint double-head penetrating bolts, and because the heating bolts are positioned at flange surfaces, long-term heating can lead to aging of flange sealing rings, the air chamber tightness is affected, air leakage is caused, the insulation strength is reduced, finally, the GIS is subjected to insulation breakdown short-circuit accidents due to SF6 gas leakage, so that under the condition that the power failure influence surface is larger when abnormal heating of conductors and accessories is found, the heating problem can be temporarily solved by adopting a shunting idea, and the heating problem can be completely solved by utilizing the power failure opportunity.

SUMMERY OF THE UTILITY MODEL

This section is for the purpose of summarizing some aspects of embodiments of the invention and to briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section and in the abstract of the specification and the title of the application to avoid obscuring the purpose of this section, the abstract of the specification and the title of the application, and such simplifications or omissions are not intended to limit the scope of the invention.

In view of the above-mentioned and/or the problem that exists among the current GIS shell heating bolt, provided the utility model discloses.

Therefore, the utility model aims to solve the problem of how to provide a temporary diverging device of electric current that arouses GIS shell heating current.

In order to solve the technical problem, the utility model provides a following technical scheme: a current temporary shunt device for inducing heating current of GIS shell comprises,

electrically conductive reposition of redundant personnel mechanism, it includes telescopic joint, ring flange, positioning bolt and flow distribution line, the outer wall both ends of telescopic joint have all set firmly the ring flange, and the ring flange is provided with two sets ofly and is connected with positioning bolt between the ring flange, positioning bolt's both ends all extend to the outside of ring flange and positioning bolt has fastening nut with the junction outside spiro union of ring flange, and the both ends of flow distribution line correspond the positioning bolt who connects the ring flange of top and bottom respectively.

Based on the technical characteristics: the positioning bolts of the flanges on the upper portion and the lower portion of the telescopic joint are connected through the shunt lines, the contact surface and the current carrying surface are enlarged, the shunt is achieved, the current flowing through abnormal temperature points is reduced, the cooling effect is achieved, the problem that double-head bolt penetration is caused by the fact that the through current is blocked and the capacity is insufficient is solved, the heating temperature is effectively reduced, the working process does not need to dismantle the positioning bolts in operation, the occurrence of accidents of injuries and deaths of equipment and people in the processing process is prevented, the occurrence of short-circuit accidents of insulation breakdown of transmission delivery equipment caused by gas leakage is avoided as much as possible, the safe and stable operation of the equipment is ensured, the defects are thoroughly eliminated through power failure maintenance after flood, and the normal temperature recovery of the bolt penetration of the telescopic joint is achieved.

As a GIS shell heating current's a current temporary shunting device's an preferred scheme, wherein: the shunt line is a member made of a copper braided wire material, and the length of the shunt line is 25 m.

Based on the technical characteristics: the shunt line is used for shunting the current flowing through the positioning bolt in parallel.

As a cause interim diverging device of electric current of GIS shell heating current's an optimal selection scheme, wherein: the both ends of flow distribution line all are provided with joint portion, and the inner chamber bottom of joint portion has set firmly the positioning seat.

Based on the technical characteristics: the shunt line can be fixed in the outer side of the positioning bolt through the clamping part when being connected with the positioning bolt.

As a cause interim diverging device of electric current of GIS shell heating current's an optimal selection scheme, wherein: the positioning seat is provided with a positioning groove on the surface, the positioning groove is designed to be of an inverted T shape, and a compression elastic piece is fixedly arranged inside the positioning groove.

Based on the technical characteristics: the compression elastic piece is used for being connected with the moving part and achieving the effects of resetting and improving the clamping force.

As a GIS shell heating current's a current temporary shunting device's an preferred scheme, wherein: the upper end activity of joint portion is provided with pull rod spare, and the lower extreme of pull rod spare stretches into in the inner chamber of joint portion and the bottom fixed connection moving part of pull rod spare, the bottom of moving part is connected the compression elastic component.

Based on the technical characteristics: when the shunt line is installed, the pull rod piece can be pushed downwards, and the movable piece can synchronously move downwards and extrude the compression elastic piece.

As a cause interim diverging device of electric current of GIS shell heating current's an optimal selection scheme, wherein: the inlet groove has all been seted up to the both sides of moving part, and the both sides of moving part all are provided with the support arm pole, and the support arm pole is provided with two sets ofly and about the central line axial symmetry of moving part, just the support arm pole is articulated with the moving part.

Based on the technical characteristics: in the process of downward movement of the movable part, the supporting arm rod hinged with the movable part can synchronously rotate.

As a GIS shell heating current's a current temporary shunting device's an preferred scheme, wherein: the lower end of the support arm rod is further hinged with a clamping portion, and the clamping portion is arranged at the bottom end of the support arm rod.

Based on the technical characteristics: when the one end of joint portion takes place to rotate in the support arm pole connection, the angle of opening and shutting between calliper portion also can dwindle in step or expand so that carry out the joint or break away from fast and positioning bolt with the flow distribution line, also conveniently overhauls and changes the flow distribution line.

As a cause interim diverging device of electric current of GIS shell heating current's an optimal selection scheme, wherein: the caliper part is designed to be arc-shaped, two groups of caliper parts are correspondingly arranged and are axisymmetric about the center line of the clamping part, and the inner side surface of the caliper part is further coated with a conductive coating.

Based on the technical characteristics: the arc-shaped caliper part is used for better fitting the positioning bolt on the inner wall of the caliper part, and when the caliper part is connected with the positioning bolt, the conductive performance of the caliper part can be improved by using the conductive coating, and conductive shunting is better performed.

The utility model has the advantages that the positioning bolt of the flange plate which is connected with the upper part and the lower part of the expansion joint by the shunt line is utilized to increase the contact surface and the current carrying surface, thereby achieving the effect of temperature reduction, solving the heating problem of the double-head bolt caused by the blocked and insufficient capacity of the through-flow, effectively reducing the heating temperature, ensuring the safe and stable operation of the equipment without dismantling the positioning bolt in operation, preventing the equipment and the casualty accidents in the processing process, avoiding the occurrence of the short-circuit accident of the insulation breakdown of the transmission equipment caused by the gas leakage as much as possible, and eliminating the defects thoroughly by the power failure maintenance after the flood, ensuring the normal temperature recovery of the bolt by the expansion joint, when the end of the support arm rod connected with the clamping part rotates, the opening and closing angle between the clamping parts can also be synchronously reduced or expanded so as to rapidly clamp or separate the shunt line from the positioning bolt, and the shunt line is convenient to overhaul and replace.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the description below are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without inventive labor. Wherein:

fig. 1 is an overall configuration diagram of a current temporary shunt device that causes a heat-generating current of a GIS case in example 1.

Fig. 2 is a side view of a shunt line internal structure of the current temporary shunt device causing the heat current of the GIS case in example 2.

Fig. 3 is an enlarged view at a in fig. 2 of the current temporary shunt device causing the heat-generating current of the GIS case in example 3.

In the drawings, the components represented by the respective reference numerals are listed below:

100. a conductive shunt mechanism; 101. an expansion joint; 102. a flange plate; 103. positioning the bolt; 103a, a fastening nut; 104. a shunt line; 104a, a clamping part; 104a-1 and a positioning seat; 104a-2 and a positioning groove; 104a-3, compressing the elastic member; 105. a pull rod member; 106. a movable member; 106a, an inlet slot; 107. an arm support lever; 107a, a clamp portion; 107a-1, a conductive coating.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present invention more comprehensible, embodiments accompanying the present invention are described in detail below with reference to the accompanying drawings.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, but the present invention may be implemented in other ways different from the specific details set forth herein, and one skilled in the art may similarly generalize the present invention without departing from the spirit of the present invention, and therefore the present invention is not limited to the specific embodiments disclosed below.

Furthermore, the references herein to "one embodiment" or "an embodiment" refer to a particular feature, structure, or characteristic that may be included in at least one implementation of the invention. The appearances of the phrase "in one embodiment" in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments.

Example 1

Referring to fig. 1, there is provided a first embodiment of the present invention, which provides a temporary current shunting device for inducing a heating current of a GIS housing, including,

the conductive shunting mechanism 100 comprises a telescopic joint 101, flange plates 102, positioning bolts 103 and shunting lines 104, wherein the flange plates 102 are fixedly arranged at two ends of the outer wall of the telescopic joint 101, two groups of flange plates 102 are arranged on the flange plates, the positioning bolts 103 are connected between the flange plates 102, two ends of each positioning bolt 103 extend to the outer side of the flange plate 102, fastening nuts 103a are screwed on the outer sides of the joints of the positioning bolts 103 and the flange plates 102, two ends of each shunting line 104 are respectively corresponding to the positioning bolts 103 of the upper flange plate 102 and the lower flange plate 102, the positioning bolts 103 of the upper flange plate 102 and the lower flange plate 102 of the telescopic joint 101 are connected by the shunting lines 104, the contact surface and the current carrying surface are enlarged, the shunting purpose is achieved, the current flowing through abnormal temperature points is reduced, the cooling effect is achieved, the problem of heating of double-head to penetrating bolts caused by blocked through current and insufficient capacity is solved, the heating temperature is effectively reduced, the operation does not need to remove the positioning bolts 103 in operation, equipment and casualty accidents in the processing process are prevented from happening, the occurrence of short-circuit accidents caused by insulation breakdown of power transmission and delivery equipment due to SF6 gas leakage of GIS is avoided, the safe and stable operation of the GIS equipment is ensured, the defects are thoroughly eliminated by power failure overhauling after flood, the temperature of a threaded bolt of a GIS expansion joint is recovered to be normal, the shunt wire 104 is a component made of a copper braided wire material, the length of the shunt wire 104 is 25m, and the shunt wire 104 is used for shunting the current flowing through the positioning bolt 103 in parallel.

Example 2

Referring to fig. 2, a second embodiment of the present invention is different from the first embodiment in that: clamping parts 104a are arranged at two ends of the shunt line 104, a positioning seat 104a-1 is fixedly arranged at the bottom of an inner cavity of the clamping part 104a, the shunt line 104 can be clamped at the outer side of the positioning bolt 103 through the clamping parts 104a to be fixed when being connected with the positioning bolt 103, a pull rod piece 105 is movably arranged at the upper end of the clamping part 104a, the lower end of the pull rod piece 105 extends into the inner cavity of the clamping part 104a, the bottom end of the pull rod piece 105 is fixedly connected with a moving piece 106, the bottom end of the moving piece 106 is connected with a compression elastic piece 104a-3, the pull rod piece 105 can be pushed downwards when the shunt line 104 is installed, the moving piece 106 can synchronously move downwards and extrude the compression elastic piece 104a-3, inlet grooves 106a are formed in two sides of the moving piece 106, arm rods 107 are arranged on two sides of the moving piece 106, two sets of the arm rods 107 are arranged and are symmetrical about a central axis of the moving piece 106, and arm lever 107 is hinged to moveable member 106, arm lever 107 hinged to moveable member 106 is also able to rotate synchronously during the downward movement of moveable member 106.

The lower end of the support arm rod 107 is further hinged with a clamping portion 104a, the bottom end of the support arm rod 107 is provided with a clamping portion 107a, when one end of the support arm rod 107, which is connected with the clamping portion 104a, rotates, the opening and closing angle between the clamping portions 107a can be synchronously reduced or enlarged so as to enable the shunt line 104 to be rapidly clamped or separated with the positioning bolt 103, and the shunt line 104 is convenient to overhaul and replace, the clamping portion 107a is designed to be arc-shaped, two groups of clamping portions 107a are correspondingly arranged and are symmetrical about the central line of the clamping portion 104a, the inner side surface of the clamping portion 107a is further coated with a conductive coating 107a-1, the arc-shaped clamping portion 107a is used for enabling the inner wall of the arc-shaped clamping portion to be better attached to the positioning bolt 103, and when the clamping portion is connected with the positioning bolt 103, the conductive coating 107a-1 can be used for improving the conductive performance of the positioning bolt, and conducting shunt better.

Example 3

Referring to fig. 3, a third embodiment of the present invention is different from the first two embodiments: the positioning seat 104a-1 is provided with a positioning groove 104a-2 on the surface thereof, the positioning groove 104a-2 is designed to be an inverted T shape, a compression elastic member 104a-3 is fixedly arranged inside the positioning groove 104a-2, and the compression elastic member 104a-3 is used for connecting with the movable member 106, so as to achieve the effects of resetting and improving the clamping force.

It should be noted that the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting, and although the present invention has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solutions of the present invention can be modified or replaced with equivalents without departing from the spirit and scope of the technical solutions of the present invention, which should be covered by the scope of the claims of the present invention.

Claims (8)

1. A temporary current shunting device for inducing heating current of a GIS shell is characterized in that: comprises the steps of (a) preparing a substrate,

electrically conductive reposition of redundant personnel mechanism (100), it includes telescopic joint (101), ring flange (102), positioning bolt (103) and reposition of redundant personnel line (104), the outer wall both ends of telescopic joint (101) all have set firmly ring flange (102), and ring flange (102) are provided with two sets ofly and are connected with positioning bolt (103) between ring flange (102), the both ends of positioning bolt (103) all extend to the outside of ring flange (102) and positioning bolt (103) and the junction outside spiro union of ring flange (102) have fastening nut (103a), and the both ends of reposition of redundant personnel line (104) correspond positioning bolt (103) of connecting ring flange (102) from top to bottom respectively.

2. The device for temporarily shunting current that causes heating current in a GIS enclosure of claim 1, wherein: the shunt wire (104) is a member made of a copper braided wire material, and the length of the shunt wire (104) is 25 m.

3. The temporary current shunting device for inducing heating current in a GIS housing of claim 1, wherein: clamping portions (104a) are arranged at two ends of the flow dividing line (104), and positioning seats (104a-1) are fixedly arranged at the bottoms of inner cavities of the clamping portions (104 a).

4. The temporary current shunting device for inducing heating current in a GIS enclosure of claim 3, wherein: the surface of the positioning seat (104a-1) is provided with a positioning groove (104a-2), the positioning groove (104a-2) is designed to be of an inverted T shape, and a compression elastic piece (104a-3) is fixedly arranged inside the positioning groove (104 a-2).

5. The temporary current shunting device for inducing heating current in a GIS enclosure of claim 3, wherein: the upper end activity of joint portion (104a) is provided with pull rod spare (105), and the lower extreme of pull rod spare (105) stretches into in the inner chamber of joint portion (104a) and the bottom fixed connection moving part (106) of pull rod spare (105), compression elastic component (104a-3) is connected to the bottom of moving part (106).

6. The temporary current shunting device for inducing heating current in a GIS enclosure of claim 5, wherein: the inlet grooves (106a) are formed in the two sides of the moving piece (106), the support arm rods (107) are arranged on the two sides of the moving piece (106), the two groups of support arm rods (107) are arranged and are axisymmetric about the center line of the moving piece (106), and the support arm rods (107) are hinged to the moving piece (106).

7. The device for temporarily shunting current that causes heating current in a GIS enclosure of claim 6, wherein: the lower end of the support arm rod (107) is further hinged with a clamping part (104a), and the bottom end of the support arm rod (107) is provided with a clamping part (107 a).

8. The temporary current shunting device for inducing heating current in a GIS enclosure of claim 7, wherein: the clamping portions (107a) are designed to be arc-shaped, two groups of clamping portions (107a) are correspondingly arranged and are axisymmetric relative to the center line of the clamping portion (104a), and the inner side surface of each clamping portion (107a) is further coated with a conductive coating (107 a-1).

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