CN203951133U - Wire clamp and be provided with the indoor substation of this wire clamp - Google Patents
Wire clamp and be provided with the indoor substation of this wire clamp Download PDFInfo
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- CN203951133U CN203951133U CN201420272817.XU CN201420272817U CN203951133U CN 203951133 U CN203951133 U CN 203951133U CN 201420272817 U CN201420272817 U CN 201420272817U CN 203951133 U CN203951133 U CN 203951133U
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- wire clamp
- aerial condutor
- wire
- rotating part
- sleeve
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Abstract
The utility model discloses a kind of wire clamp, be used for drawing and connect aerial condutor and fixing cord, thereby realize the safe distance of controlling the relative wall of aerial condutor, post, described wire clamp comprises for the first wire clamp of holding frame hollow wire, for gripping the second wire clamp and the coupling assembling of wire, described coupling assembling one end is fixedly connected with described First Line folder, the other end is fixedly connected with described the second wire clamp, and described the first wire clamp can axially rotate towards described the second wire clamp direction along described coupling assembling.So, wire clamp and fixing cord do not need the electric current that On current intensity is larger, and wire clamp is difficult for heating and not fragile, have increased the reliability of transmission line, and a kind of indoor substation that is provided with above-mentioned wire clamp is also provided.
Description
Technical field
The utility model relates to electric power clamp technology field, particularly relates to a kind of wire clamp and is provided with the indoor substation of this wire clamp.
Background technology
At present, the floor plan subterranean layer of 220V indoor substation is cable floor, the first floor is the electric equipment chambers such as hyperbaric chamber, main transformer room on the ground, the second layer is 110KV Cubicle Gas-Insulated Switchgear (Gas Insulated Switchgear on the ground, GIS) chamber, the 3rd layer is master-control room, and the 4th floor is 220KV Cubicle Gas-Insulated Switchgear chamber.Main transformer room adopts aerial condutor to be electrically connected with 220KV Cubicle Gas-Insulated Switchgear chamber, for ensureing the safe distance of aerial condutor to wall, post etc., conventionally adopts insulator string, wire clamp and fixing cord to draw and connect and fix aerial condutor.
Traditionally, aerial condutor coordinates lead-in wire fixing with fixing cord by two groups of T-shaped wire clamps and device clamp, but T-shaped wire clamp and device clamp fixing cord all need the electric current that On current intensity is large, the contact resistance heating power of T-shaped wire clamp and device clamp faying surface, easily cause that wire clamp damages, and has reduced the reliability of transmission line.
Utility model content
Based on this, provide a kind of indoor substation that improves the wire clamp of transmission line reliability and be provided with this wire clamp.
A kind of wire clamp, for aerial condutor and fixing cord coupling are connect, thereby realize the safe distance of controlling the relative wall of aerial condutor, post, described wire clamp comprises for the first wire clamp of holding frame hollow wire, for gripping the second wire clamp and the coupling assembling of wire, described coupling assembling one end is fixedly connected with described First Line folder, the other end is fixedly connected with described the second wire clamp, in the time of GIS unit trip, described the first wire clamp axially rotates towards described the second wire clamp direction along described coupling assembling.
Therein in an embodiment, described coupling assembling comprises sleeve and rotating part, described sleeve is fixedly connected on described the first wire clamp, described rotating part is fixedly connected on described the second wire clamp, described sleeve lining is provided with internal thread, described rotating part outer wall is provided with external screw thread, and described rotating part is threadedly connected to described sleeve.
In an embodiment, described rotating part outer wall is provided with annular boss therein, stretches into length in described sleeve with spacing described rotating part, and in described rotating part rotation process, described boss is held in the end of described sleeve away from described the first wire clamp.
In an embodiment, described boss and described rotating part are 28mm～32mm away from the spacing between the end of described the second wire clamp therein.
Therein in an embodiment, described coupling assembling also comprises flexible member, described sleeve comprises holding part and threaded portion, described holding part is positioned at the side of described sleeve near described the first wire clamp, described threaded portion is positioned at the side of described holding part away from described the first wire clamp, described flexible member is contained in described holding part, and can be held in described rotating part.
Therein in an embodiment, described the first wire clamp and the second wire clamp include body and maintenance assembly, one end joint of described body and described maintenance assembly is hinged, other end joint is for removably connecting, the body of described the first wire clamp and the cooperation of maintenance assembly are formed with the first fixed hole matching with described aerial condutor, the body of described the second wire clamp and the cooperation of maintenance assembly are formed with the second fixed hole matching with described fixing cord, described aerial condutor runs through described the first fixed hole, and described fixing cord runs through described the second fixed hole.
Therein in an embodiment, all adjustable settings of the size of described the first fixed hole and described the second fixed hole.
Therein in an embodiment, described maintenance assembly comprises fastener, locking member and nut, described fastener comprises first end and the second end, one end of described body and described first end are hinged, described fastener rotates and forms the first rotational plane relative to described body, described body one end corresponding with described the second end offers installing hole, described locking member is arranged at described the second end, described locking member stretches out described installing hole, described nut is threaded with described locking member, and is held in described body.
In an embodiment, described locking member is articulated in described the second end therein, and described locking member rotates and forms the second rotational plane relative to described fastener, and described the first rotational plane overlaps with described the second rotational plane.
A kind of indoor substation, comprise main transformer, GIS equipment, fixing cord and be electrically connected described main transformer and the aerial condutor of described GIS equipment, described full indoor substation also comprises above-mentioned wire clamp, described wire clamp is connected with described aerial condutor and fixing cord respectively, so that described aerial condutor and described fixing cord coupling are connect.
Above-mentioned wire clamp and be provided with the indoor substation of this wire clamp, aerial condutor is held on the first wire clamp, fixing cord is held on the second wire, and the first wire clamp and the second wire clamp are rotationally connected by coupling assembling, and the first wire clamp can axially rotate towards the second wire clamp direction along coupling assembling.So, wire clamp and fixing cord do not need the electric current that On current intensity is larger, and wire clamp is difficult for heating and not fragile, have increased the reliability of transmission line.In addition, aerial condutor does not have breakpoint, has reduced the risk of aerial condutor broken lot, has further improved the reliability of transmission line.
Brief description of the drawings
Fig. 1 is the structural representation of the wire clamp of the utility model one execution mode;
Fig. 2 is the floor plan schematic diagram of the indoor substation of the utility model one execution mode;
Fig. 3 is the local enlarged diagram at A place in Fig. 2.
Embodiment
For the ease of understanding the utility model, below with reference to relevant drawings, the utility model is described more fully.In accompanying drawing, provide preferred embodiment of the present utility model.But the utility model can be realized in many different forms, be not limited to embodiment described herein.On the contrary, providing the object of these embodiment is to make to the understanding of disclosure of the present utility model more thoroughly comprehensively.
It should be noted that, when element is called as " being fixed on " another element, it can be directly on another element or also can have an element between the two.When an element is considered to " connection " another element, it can be directly connected to another element or may have element between the two simultaneously.
Unless otherwise defined, all technology that use are herein identical with the implication that belongs to the common understanding of those skilled in the art of the present utility model with scientific terminology.The term using in specification of the present utility model herein, just in order to describe the object of specific embodiment, is not intended to be restriction the utility model.Term as used herein " and/or " comprise one or more relevant Listed Items arbitrarily with all combinations.
As shown in Figure 1, wire clamp 10 in the utility model preferred embodiment comprises the first wire clamp 12, the second wire clamp 14 and coupling assembling 16, coupling assembling 16 one end are fixedly connected with the first wire clamp 12, the other end is fixedly connected with the second wire clamp 14, and the first wire clamp 12 can axially rotate towards the direction of the second wire clamp 14 along described coupling assembling 16.
As shown in Figures 2 and 3, in this preferred embodiment, indoor substation (not shown) comprises aerial condutor 20, fixing cord 30, main transformer 50, GIS equipment 60 and above-mentioned wire clamp 10, aerial condutor 20 connects main transformer 50 and Cubicle Gas-Insulated Switchgear 60, fixing cord 30 is fixed on by insulator string 40 on the wall or pillar of full indoor substation, wire clamp 10 draws fixing cord 30 and aerial condutor 20 to connect, thereby realizes the safe distance of controlling the relative wall of aerial condutor 20, post.
Wherein, the first wire clamp 12 axially rotates towards the second wire clamp 14 directions along described coupling assembling 16 for gripping wire 30, the first wire clamps 12 for holding frame hollow wire 20, the second wire clamps 14, thereby adjusts the angle of relative the second wire clamp 14 of the first wire clamp 12.So, in the time that substation equipment breaks down, protective device trips and drives aerial condutor 20 to rotate, and aerial condutor 20 transmitting torque to the first wire clamps 12 drive the first wire clamp 12 to rotate, thereby meets the required rotational angle of tripping operation.In the time that fault is got rid of, the first wire clamp 12 rotates with aerial condutor 20, recovers the state before fault is got rid of.
Conventionally, aerial condutor 20 is communicated with main transformer 50 and Cubicle Gas-Insulated Switchgear 60, needs the electric current that electric conduction flow is larger.Therefore, the cross-sectional area that aerial condutor 20 cross-sectional areas are compared fixing cord 30 is larger, and conductor material cost is high.As shown in Figures 2 and 3, the first wire clamp 12 holding frame hollow wires 20, aerial condutor 20 does not need breakpoint to be directly communicated with main transformer 50 and Cubicle Gas-Insulated Switchgear 60.Meanwhile, the second wire clamp 14 grips wire 30, so that aerial condutor 20 is drawn and to be connect by wire clamp 10, thus the safe distance of the relative wall of control aerial condutor 20, post.
So, wire clamp 10 does not need the large electric current of conducting with fixing cord 30, and then fixing cord 30 do not need to adopt the wire that wire cost is higher and cross-sectional area is larger, has reduced the Master Cost of wire, has saved operation cost.The not On current of lap-joint of wire clamp 10 and aerial condutor 20 and fixing cord 30, wire clamp 10 is difficult for heating and not fragile, has increased the reliability of transmission line.In addition, aerial condutor 20 does not have breakpoint, has reduced the risk of aerial condutor 20 broken lots, has further improved the reliability of transmission line.
See also Fig. 1, in this preferred embodiment, coupling assembling 16 comprises sleeve 162 and rotating part 164, and sleeve 162 is fixed on the first wire clamp 12, and rotating part 164 is fixedly connected on the second wire clamp 14.Sleeve 162 inwalls are provided with internal thread, and rotating part 164 outer walls are provided with external screw thread, and described rotating part 164 is threadedly connected to described sleeve 162.
Specific in this preferred embodiment, body 13 semicirculars in shape, sleeve 162 is fixedly connected on body 13 side in the center of circle dorsad of the first wire clamp 12, and rotating part 164 is fixedly connected on body 13 side in the center of circle dorsad of the second wire clamp 14.The connected mode that sleeve 162 and rotating part 164 are fixedly connected on corresponding body 13 can adopt and is spirally connected or welds, also can be one-body molded.Rotating part 164 is threadedly connected to sleeve 162, the first wire clamps 12 and can rotates relative to the second wire clamp 14, thereby regulates the distance between the first wire clamp 12 and the second wire clamp 14.
Please again consult Fig. 1, in this preferred embodiment, rotating part 164 outer walls are provided with annular boss 166, stretch into the interior length of sleeve 162 with spacing described rotating part 164, and in rotating part 164 rotation processes, described boss 166 is held in sleeve 162.In the time there is tripping operation, the first wire clamp 12 rotates also close relative to the second wire clamp 14, and boss 166 is held in sleeve 162, thereby limits the distance between the first wire clamp 12 and the second wire clamp 14, and prevents that the first wire clamp 12 from continuing to rotate relative to the second wire clamp 14.So, aerial condutor 20 is rotated within the specific limits, avoided in the time of trouble shooting, aerial condutor 20 cannot be got back to initial position.
Further, boss 166 and rotating part 164 are 28～32mm away from the spacing between the end of the second wire clamp 14.In the present embodiment, boss 166 and rotating part 164 are 30mm away from the spacing between the end of the second wire clamp 14.As shown in Figure 2, when not breaking down, aerial condutor 20 has certain safe distance apart from wall and pillar, and relative the first wire clamp 12 of the first wire clamp 12 has certain angle and distance.GIS unit trip in the time breaking down, aerial condutor 20 swings with tripping operation action, thereby drives the first wire clamp 12 to rotate relative to the first wire clamp 12, and because of effect of inertia, relative the second wire clamp 14 of the first wire clamp 12 is rotated further.Now, the first wire clamp 12 changes apart from the spacing of the second wire clamp 14, and aerial condutor 20 changes apart from the distance of wall and pillar.In the time of trouble shooting, aerial condutor 20 need be returned to the state before tripping operation, and if rotating part 164 rotates that to stretch into the length of sleeve 162 long, aerial condutor 20 needs larger external force just can make aerial condutor 20 return to reset condition.
So, boss 166 is held in sleeve 162 can be to relative the second wire clamp 14 rotary spacings of the first wire clamp 12, make the first wire clamp 12 remain on a fixing turn relative to rotating of the second wire clamp 14, thereby control the spacing between the first wire clamp 12 and the second wire clamp 14, avoid cannot returning to tripping operation state before because of the aerial condutor 20 that relative the second wire clamp 14 distances of the first wire clamp 12 too closely cause.
It should be noted that, the state before aerial condutor 20 tripping operation refers to the distance of distance wall and fixing cord 30 before aerial condutor 20 tripping operations, and fixing cord 30 position relationships relatively.
See also Fig. 1, in another embodiment, coupling assembling 16 also comprises flexible member 168, sleeve 162 comprises holding part 1622 and threaded portion 1624, holding part 1622 is positioned at the side of sleeve 162 near the first wire clamp 12, threaded portion 1624 is positioned at the side of holding part 1622 away from the first wire clamp 12, and flexible member 168 is accommodated and holding part 1622, and can be held in described rotating part 164.
Flexible member 168 can be spring, and in relative the second wire clamp 14 rotation processes of the first wire clamp 12, spring is held in rotating part 164.Meanwhile, the externally threaded projection of rotating part 164 closely engages with the groove of internal thread, has increased the frictional force of the groove of externally threaded projection and internal thread, prevents that the first wire clamp 12 and the second wire clamp 14 from rotating easily, increased the reliability of wire clamp 10.
Refer to Fig. 1, in this preferred embodiment, the first wire clamp 12 and the second wire clamp 14 include body 13 and maintenance assembly 15, and described body 13 is hinged with one end joint of described maintenance assembly 15, and other end joint is for removably connecting.The body 13 of described the first wire clamp 12 and maintenance assembly 15 coordinate the body 13 and 15 cooperations of maintenance assembly that are formed with the first fixed hole 122, the second wire clamps 14 that match with described aerial condutor 20 to be formed with the second fixed hole 142 matching with described fixing cord 30.Aerial condutor 20 runs through the first fixed hole 122, and fixing cord 30 runs through the second fixed hole 142.
The size, shape and the selected wire that are appreciated that the first fixed hole 122 and the second fixed hole 142 match, for convenience of safeguarding and changing greatly all adjustable settings of the first fixed hole 122 and the second fixed hole 142.As shown in Figure 1, in this preferred embodiment, maintenance assembly 15 comprises fastener 152, locking member 154 and nut 156.Fastener 152 comprises first end 1522 and the second end 1524, one end of body 13 and first end 1522 are hinged, body 13 one end corresponding with described the second end 1524 offers installing hole (not shown), locking member 154 is arranged at the second end 1524, and locking member 154 stretches out described installing hole.Described nut 156 is threaded with described locking member 154, and is held in described body 13.
The shape that is appreciated that the first fixed hole 122 and the second fixed hole 142 can be rounded, polygon etc., can match with aerial condutor 20 and fixing cord 30, stablizes the effect of maintenance.In the present embodiment, body 13 and the equal semicircular in shape of fastener 152, body 13 coordinates the fixed hole forming rounded with fastener 152, match with the shape of described aerial condutor 20 and fixing cord 30.
Please again consult Fig. 1, in this preferred embodiment, locking member 154 is articulated in the second end 1524.The first end 1522 of fastener 152 is articulated with one end of body 13, fastener 152 rotates and forms the first rotational plane relative to body 13, locking member 154 rotates and forms the second rotational plane relative to fastener 152, and described the first rotational plane overlaps with the second rotational plane.
So, rotate relative to body 13 by fastener 152, and locking member 154 rotates relative to fastener 152 the second ends 1524, thereby regulate the size of the first fixed hole 122 and the second fixed hole 142, to adapt to the wire of different size.
Further, the inwall that body 13 and described fastener 152 contact with aerial condutor 20 is equipped with anti-skidding rib (not shown).In the time that the first wire clamp 12 rotates with aerial condutor 20, anti-skidding rib has increased the curable grip of the first wire clamp 12 to aerial condutor 20, and the curable grip of the second wire clamp 14 to fixing cord 30.So, making the first wire clamp 12 at aerial condutor 20, larger displacement not occur, not there is not larger displacement at fixing cord 30 in the second wire clamp 14, has ensured the safe distance of aerial condutor 20 relative wall, pillar.In addition, wire clamp 10 is difficult for sliding, and has avoided the damage of wire clamp 10.
The above embodiment has only expressed several execution mode of the present utility model, and it describes comparatively concrete and detailed, but can not therefore be interpreted as the restriction to the utility model the scope of the claims.It should be pointed out that for the person of ordinary skill of the art, without departing from the concept of the premise utility, can also make some distortion and improvement, these all belong to protection range of the present utility model.Therefore, the protection range of the utility model patent should be as the criterion with claims.
Claims (10)
1. a wire clamp, for aerial condutor and fixing cord coupling are connect, thereby realize the safe distance of controlling the relative wall of aerial condutor, post, it is characterized in that, described wire clamp comprises for the first wire clamp of holding frame hollow wire, for gripping the second wire clamp and the coupling assembling of wire, described coupling assembling one end is fixedly connected with described First Line folder, the other end is fixedly connected with described the second wire clamp, in the time of GIS unit trip, described the first wire clamp axially rotates towards described the second wire clamp direction along described coupling assembling.
2. wire clamp according to claim 1, it is characterized in that, described coupling assembling comprises sleeve and rotating part, described sleeve is fixedly connected on described the first wire clamp, described rotating part is fixedly connected on described the second wire clamp, described sleeve lining is provided with internal thread, and described rotating part outer wall is provided with external screw thread, and described rotating part is threadedly connected to described sleeve.
3. wire clamp according to claim 2, it is characterized in that, described rotating part outer wall is provided with annular boss, stretches into length in described sleeve with spacing described rotating part, in described rotating part rotation process, described boss is held in the end of described sleeve away from described the first wire clamp.
4. aerial condutor folder according to claim 3, is characterized in that, described boss and described rotating part are 28mm～32mm away from the spacing between the end of described the second wire clamp.
5. wire clamp according to claim 2, it is characterized in that, described coupling assembling also comprises flexible member, described sleeve comprises holding part and threaded portion, described holding part is positioned at the side of described sleeve near described the first wire clamp, described threaded portion is positioned at the side of described holding part away from described the first wire clamp, and described flexible member is contained in described holding part, and can be held in described rotating part.
6. wire clamp according to claim 1, it is characterized in that, described the first wire clamp and the second wire clamp include body and maintenance assembly, one end joint of described body and described maintenance assembly is hinged, other end joint is for removably connecting, the body of described the first wire clamp and the cooperation of maintenance assembly are formed with the first fixed hole matching with described aerial condutor, the body of described the second wire clamp and the cooperation of maintenance assembly are formed with the second fixed hole matching with described fixing cord, described aerial condutor runs through described the first fixed hole, described fixing cord runs through described the second fixed hole.
7. wire clamp according to claim 6, is characterized in that, all adjustable settings of the size of described the first fixed hole and described the second fixed hole.
8. wire clamp according to claim 7, it is characterized in that, described maintenance assembly comprises fastener, locking member and nut, described fastener comprises first end and the second end, one end of described body and described first end are hinged, described fastener rotates and forms the first rotational plane relative to described body, described body one end corresponding with described the second end offers installing hole, described locking member is arranged at described the second end, described locking member stretches out described installing hole, described nut is threaded with described locking member, and is held in described body.
9. wire clamp according to claim 8, is characterized in that, described locking member is articulated in described the second end, and described locking member rotates and forms the second rotational plane relative to described fastener, and described the first rotational plane overlaps with described the second rotational plane.
10. an indoor substation, comprise main transformer, GIS equipment, fixing cord and be electrically connected described main transformer and the aerial condutor of described GIS equipment, it is characterized in that, described full indoor substation also comprises the wire clamp described in claim 1～9 any one, described wire clamp is connected with described aerial condutor and fixing cord respectively, so that described aerial condutor and described fixing cord coupling are connect.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420272817.XU CN203951133U (en) | 2014-05-26 | 2014-05-26 | Wire clamp and be provided with the indoor substation of this wire clamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420272817.XU CN203951133U (en) | 2014-05-26 | 2014-05-26 | Wire clamp and be provided with the indoor substation of this wire clamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203951133U true CN203951133U (en) | 2014-11-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420272817.XU Active CN203951133U (en) | 2014-05-26 | 2014-05-26 | Wire clamp and be provided with the indoor substation of this wire clamp |
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| CN (1) | CN203951133U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105866479A (en) * | 2016-05-25 | 2016-08-17 | 黑龙江省电力有限公司牡丹江水力发电总厂 | Special clamp for test on low pressure side of main transformer |
-
2014
- 2014-05-26 CN CN201420272817.XU patent/CN203951133U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105866479A (en) * | 2016-05-25 | 2016-08-17 | 黑龙江省电力有限公司牡丹江水力发电总厂 | Special clamp for test on low pressure side of main transformer |
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