CN209184193U - Duplex suspension string - Google Patents
Duplex suspension string Download PDFInfo
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- CN209184193U CN209184193U CN201821631727.XU CN201821631727U CN209184193U CN 209184193 U CN209184193 U CN 209184193U CN 201821631727 U CN201821631727 U CN 201821631727U CN 209184193 U CN209184193 U CN 209184193U
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Abstract
The utility model discloses a kind of duplex suspension strings, the duplex suspension string includes two suspension strings, each suspension string includes hanging plate, ball-eye, insulator, socket-clevis eye, yoke plate and suspension clamp, and the hanging plate, the ball-eye, the insulator, the socket-clevis eye, the yoke plate and the suspension clamp are sequentially connected.One suspension clamp is droop suspension clamp, another described suspension clamp is above to shoulder formula suspension clamp.The suspension string for above shouldering formula suspension clamp will be equipped with and be set to the side that transmission pressure raises up, the transmission pressure of side of raising up is shouldered formula suspension clamp from above and is pierced by, transmission pressure tilts when can solve transmission pressure mountain area, and transmission pressure raises up the big problem of cross hang wire clamp exit stress.
Description
Technical field
The utility model relates to transmission line of electricity technical field, in particular to a kind of duplex suspension string.
Background technique
Straight line pole refers to the shaft tower for overhead transmission line straightway, and suspension string is suitable for straight line pole, defeated for hanging
Conducting wire in electric line is solely subjected to the vertical load and wind load of conducting wire under normal circumstances.
Existing duplex suspension string includes two suspension strings being arranged symmetrically, and the lower section of each suspension string is equipped with a pendency
Wire clamp.Suspension clamp includes pressing plate and the hull with U-type groove, and hull and pressing plate are connected with.Transmission pressure passes through U-type groove
It is pushed down with pressing plate, tightens bolt, suspension clamp can clamp conducting wire, realize the conducting wire in suspension transmission line of electricity.
The case where transmission line of electricity in mountain area will appear continuous up-and downhill, causes the transmission pressure of shaft tower side to raise up, side
Transmission pressure has a down dip.The lower end of conventional duplex suspension string all holds vertical formula suspension clamp, the hull of droop suspension clamp
Both ends it is symmetrically sagging, transmission pressure inclination can make to raise up the transmission pressure in cross hang wire clamp exit and the edge of pressing plate connects
Touching, the edge of transmission pressure pressing plate is folded to the side that raises up, cause shaft tower raise up cross hang wire clamp exit the stress of conductor it is larger.
Utility model content
The utility model embodiment provides a kind of duplex suspension string, which can reduce transmission pressure inclination
When, transmission pressure raises up cross hang wire clamp exit stress.The technical solution is as follows:
A kind of duplex suspension string, the duplex suspension string include the first suspension string and the second suspension string,
First suspension string includes sequentially connected first hanging plate, the first ball-eye, the first insulator, first bowl of head
Hanging plate, yoke plate and droop suspension clamp, the droop suspension clamp include the first hull, the first pressing plate, the first connector
With the first connection component, first hull has the first U-type groove, and first pressing plate is connected to by first connector
In first U-type groove, first connection component is located at the open side of first U-type groove, and first hull passes through institute
It states the first connection component to connect with the first yoke plate, the both ends of first hull are backwards to lateral bending where first connection component
It is bent；
Second suspension string includes sequentially connected second hanging plate, the second ball-eye, the second insulator, second bowl of head
Hanging plate, yoke plate and on shoulder formula suspension clamp, it is described on to shoulder formula suspension clamp include the second hull, the second pressing plate, the second connector
With the second connection component, second hull has the second U-type groove, and second pressing plate is connected to by second connector
In second U-type groove, second connection component is located at the opposite side of the opening of second U-type groove, second hull
It is connect by second connection component with the second yoke plate, where the both ends towards second connection component of second hull
Lateral bend.
Optionally, first pressing plate one side opposite with first hull is equipped with the first wire casing, second pressure
The plate one side opposite with second hull is equipped with the second wire casing.
Optionally, first insulator is different from the length of second insulator.
Optionally, first yoke plate is different from the length of second yoke plate.
Optionally, the tie point of the droop suspension clamp and first yoke plate and it is described on shoulder formula suspension clamp with
The line and horizontal angle of the tie point of second yoke plate are -20 ° to 20 °.
Optionally, the edge at the both ends of first hull and the second hull is arc-shaped.
Optionally, the edge of the second hull, first pressing plate and second pressing plate described in first hull falls
Fillet.
Optionally, first connection component includes the first U-shaped hanging plate and the first pin shaft, and first hull is equipped with first
U-type groove, first hull of the two sides of first U-type groove are equipped with the first pin hole, and first pin hole is set to described U-shaped
At the notch of slot, the first U-shaped hanging plate passes through the first pin hole by the first pin shaft with first hull and connect.
Optionally, second connection component includes the second U-shaped hanging plate and the second pin shaft, and second hull is equipped with second
U-type groove, second hull at the back side of second U-type groove are equipped with protruding portion, and the protruding portion is equipped with the second pin hole,
The second U-shaped hanging plate passes through the second pin hole by the second pin shaft with second hull and connect.
Optionally in first insulator and the second insulator are composite insulator.
Technical solution bring beneficial effect provided by the embodiment of the utility model includes at least: the first of two suspension strings
Suspension string uses droop suspension clamp, and the second suspension string uses and above shoulders formula suspension clamp.When in use, the second suspension string is set
In the side that transmission pressure raises up, the transmission pressure for the side that raises up is shouldered formula suspension clamp from above and is pierced by.On shoulder the ship of formula suspension clamp
The both ends of body bend towards side where the second connection component, and the second connection component is located at the opposite side of the opening of the second U-type groove, and second connects
Fitting is connect with the second yoke plate.Second hanging plate, the second ball-eye, the second insulator, the second socket-clevis eye, the second yoke plate are successively
Connection, the second hanging plate is hung on the cross-arm of shaft tower, so Open Side Down for the second U-type groove of the second hull.When tower bar raises up
When the end thereof contacts of the transmission pressure of side and the second hull are pierced by, due to the both ends updip lateral bend of the second hull, transmission pressure
It can be upwardly extended along one end of the second hull, the forced area of transmission pressure increases, and raises up so as to reduce transmission pressure
Cross hang wire clamp exit stress.
Detailed description of the invention
It, below will be to required in embodiment description in order to illustrate more clearly of the technical scheme in the embodiment of the utility model
Attached drawing to be used is briefly described, it should be apparent that, the accompanying drawings in the following description is only some realities of the utility model
Example is applied, it for those of ordinary skill in the art, without creative efforts, can also be according to these attached drawings
Obtain other attached drawings.
Fig. 1 is the structural schematic diagram that a kind of duplex provided by the embodiment of the utility model hangs suspension string；
Fig. 2 is a kind of structural schematic diagram of droop suspension clamp provided by the embodiment of the utility model；
Fig. 3 is a kind of left view structural representation of droop suspension clamp provided by the embodiment of the utility model；
Fig. 4 is the structural schematic diagram that formula suspension clamp is shouldered in one kind provided by the embodiment of the utility model；
Fig. 5 is the left view structural representation that formula suspension clamp is shouldered in one kind provided by the embodiment of the utility model.
Specific embodiment
It is practical new to this below in conjunction with attached drawing to keep the purpose of this utility model, technical solution and advantage clearer
Type embodiment is described in further detail.
Fig. 1 is a kind of structural schematic diagram of duplex suspension string provided by the embodiment of the utility model.As shown in Figure 1, this pair
Joining suspension string includes the first suspension string 1 and the second suspension string 2.Wherein, the first suspension string 1 includes sequentially connected first hanging plate
11, the first ball-eye 12, the first insulator 13, the first socket-clevis eye 14, yoke plate 15 and droop suspension clamp 16.Second is outstanding
The string 2 that hangs down includes sequentially connected second hanging plate 21, the second ball-eye 22, the second insulator 23, the second socket-clevis eye 24, yoke plate
25 and above shoulder formula suspension clamp 26.
Fig. 2 is a kind of structural schematic diagram of droop suspension clamp provided by the embodiment of the utility model.As shown in Fig. 2,
Droop suspension clamp 16 includes the first hull 161, the first pressing plate 162, the first connector 163 and the first connection component 164.
First hull 161 is connect by the first connection component 164 with the first yoke plate 15, and the both ends of the first hull 161 connect backwards to first
164 place lateral bend of connected components.
Fig. 3 is a kind of left view structural representation of droop suspension clamp provided by the embodiment of the utility model.Such as Fig. 3 institute
Show, the first hull 161 has the first U-type groove 1611, and the first pressing plate 162 is connected to the first U-type groove by the first connector 163
In 1611.First connection component 164 is located at the open side of the first U-type groove 1611, i.e. upside in Fig. 3.
In the present embodiment, the first hull 161 may include the bottom of two sidewalls and connection two sidewalls positioned opposite.The
Section of one hull 161 on the length direction perpendicular to the first hull 161 is generally U-shaped.
Optionally, the first pressing plate 162 side opposite with the first hull 161 is equipped with the first wire casing 1621.First pressing plate 162
The first pressing plate 162 preferably fitting transmission pressure can be made by being equipped with the first wire casing 1621, increase by the first pressing plate 162 to transmission pressure
Frictional force, thus preferably clamp transmission pressure.
In the present embodiment, the first pressing plate 162 is rectangular metal plate.First connector 163 includes screw bolt and nut,
The bottom of first hull 161 is equipped with 4 screw holes, and four screw holes are in rectangular arranged, is located at the two sides of the first U-type groove 1611 two-by-two.
Bolt passes through the screw hole on the first hull 161 and connect with the first pressing plate 162.
In the present embodiment, the two sidewalls of the first hull 161 are additionally provided with the first bolt slot for accommodating the first connector 163
1612.The length direction of first bolt slot 1612 is vertical with the length direction of the first U-type groove 1611.First bolt slot 1612 is set
Make the first suspension clamp 16 volume under the same conditions, opposite can increase between the first U-type groove 1611 and the first pressing plate 162
Transmission pressure channel passes through convenient for transporting electric wire.
In the present embodiment, the bolt in the first connector 163 is straight bolt.First pressing plate 162 is equipped with and the first ship
The corresponding screw hole of screw hole on body 161.Straight bolt passes through the screw hole on the first pressing plate 162, screw hole and spiral shell on the first hull 161
Croze 1612, and tightened with nut, the first hull 161 and the first pressing plate 162 are connected.It is used in droop suspension clamp 16
When, for transmission pressure across the first hull 161 and the first pressing plate 162, the first pressure can be made by tightening nut corresponding with straight bolt
Plate 161 compresses transmission pressure.
Alternatively, bolt can be U-bolt, and U-bolt passes through screw hole, the first hull 161 on the first pressing plate 162
On screw hole and bolt slot 1612, and tightened with nut, the first hull 161 and the first pressing plate 162 connected.First pressing plate 162
The back side be equipped with the groove that cooperate with U-bolt, U-bolt is set to the screw hole in U-type groove and across the first hull 161, by the
One hull 161 and the connection of the first pressing plate 162, and available nut is tightened.In droop suspension clamp in use, transmission pressure passes through
Between first hull 161 and the first pressing plate 162, tightening nut matched with U-bolt can make the first pressing plate 161 by transmission pressure
It compresses.
Referring again to Fig. 2, optionally, the edge at the both ends of the first hull 161 is arc-shaped.It is used in duplex suspension string
When, droop suspension clamp 16 is set under transmission pressure and tilts (i.e. left side in Fig. 1).Under the both ends of droop suspension clamp 16
It hangs down, the both ends of droop suspension clamp 16 can preferably be bonded the transmission pressure of lower tilt, increase the contact surface with transmission pressure
Product.The edge at the both ends of the first hull 161 can increase both ends when conducting wire is pierced by suspension clamp with the first hull 161 for arc-shaped
Edge contact area, transmission pressure can be reduced and penetrate or be pierced by stress at 161 position of the first hull.
Optionally, the first connection component 164 includes the first U-shaped hanging plate 1641 and the first pin shaft 1642, and the first hull 161 is set
There is the first U-type groove 1611, the first hull 161 of the two sides of the first U-type groove 1611 is equipped with the first pin hole, and the first pin hole is set to U
At the notch of type groove, the first U-shaped hanging plate 1641 passes through the first pin hole by the first pin shaft 1642 with the first hull 161 and connect.The
One hull 161 and the first U-shaped hanging plate 164 are hinged.First hull 161 can be rotated along the direction of transmission pressure, be led when encountering transmission of electricity
When the load in line direction, the first hull 161 can shed a part of load along hinged place fine rotation.In the present embodiment,
One connection component 164 further includes pin shaft 1643, and the opening of the first U-shaped hanging plate 1641 is equipped with pin hole, the first U-shaped 1641 He of hanging plate
The pin hole that first yoke plate 15 can be passed through on the first U-shaped hanging plate 1641 by pin shaft 1643 connects.
Optionally, the equal rounded corner in edge of the first hull 161 and the first pressing plate 162.Rounded corner removes 161 He of the first hull
Tip portion on pressing plate 162 keeps droop suspension clamp 16 anticorona.
Fig. 4 is the structural schematic diagram that formula suspension clamp is shouldered in one kind provided by the embodiment of the utility model.As shown in Fig. 4,
On shoulder formula suspension clamp 26 include the second hull 261, the second pressing plate 262, the second connector 263 and the second connection component 264.
Fig. 5 is the left view structural representation that formula suspension clamp is shouldered in one kind provided by the embodiment of the utility model, such as Fig. 5 institute
Show, the second hull 261 is equipped with the second U-type groove 2611, and the second pressing plate 262 is connected to the second U-type groove by the second connector 263
In 2611.Second hull 261 is connect by the second connection component 264 with the second yoke plate 25, and the second connection component 264 is positioned at the
The opposite side of the opening of two U-type grooves 2611, i.e. upside in Fig. 4.On shoulder formula suspension clamp 26 the second hull 261 both ends back
The 264 place lateral bend of the second connection component of formula suspension clamp 26 is shouldered upwards.
In duplex suspension string in use, on shoulder formula suspension clamp 26 and raise up side (i.e. right side in Fig. 1) set on transmission pressure.
On shoulder the both ends of formula suspension clamp 26 and raise up the contact area that can increase with transmission pressure, to increase the friction to transmission pressure
Power makes to shoulder the preferably clamping transmission pressure of formula suspension clamp 26.On shoulder the both ends of formula catenary 26 and raise up to improve and raise up
The transmission pressure of the stress of the transmission pressure of side, the side that makes to raise up is subtracted by the shear stress angle of upper anti-formula suspension clamp 26
It is small, to reduce the shear stress that transmission pressure is subject to.
In the present embodiment, the second pressing plate 262 side opposite with the second hull 261 is equipped with the second wire casing 2621.Second
The second wire casing 2621 is equipped in pressing plate 262 can make the second pressing plate 262 preferably fitting transmission pressure, and it is right to increase by the second pressing plate 262
The frictional force of transmission pressure, to preferably clamp transmission pressure.
In the present embodiment, the second pressing plate 262 can be rectangular metal plate.
In the present embodiment, the second connector 263 includes screw bolt and nut, and the bottom of the second hull 261 is equipped with 4 spiral shells
Hole, four screw holes are in rectangular arranged, are located at the two sides of the second U-type groove 2611 two-by-two.Bolt passes through the screw hole on the second hull 261
And it is connect with the second pressing plate 262.
In the present embodiment, the two sidewalls of the second hull 261 are additionally provided with the second bolt slot for accommodating the second connector 263
2612.The length direction of second bolt slot 2612 is vertical with the length direction of the second U-type groove 2611.Second bolt slot 2612 is set
Make the second suspension clamp 26 volume under the same conditions, opposite can increase between the second U-type groove 2611 and the second pressing plate 262
Transmission pressure channel, passes through convenient for transmission pressure.
In the present embodiment, bolt can be U-bolt.U-bolt passes through screw hole, second ship on the second pressing plate 262
Screw hole and bolt slot 2612 on body 261, and tightened with nut, the second hull 261 and the second pressing plate 262 are connected.Second pressure
The back side of plate 262 is equipped with the groove cooperated with U-bolt, and U-bolt is set to the screw hole in U-type groove and passing through the second hull 261,
Second hull 261 and the second pressing plate 262 are connected, and available nut is tightened.Formula suspension clamp is shouldered in use, transmission of electricity is led upper
For line across the second hull 261 and the second pressing plate 262, tightening nut matched with U-bolt can make the second pressing plate 261 will
Transmission pressure compresses.
In other embodiments, the bolt in the second connector 263 can be straight bolt.Second pressing plate 262 be equipped with
The corresponding screw hole of screw hole on second hull 261.Second pressing plate 262 is equipped with corresponding with the screw hole of 261 upper end of the second hull
Screw hole.The screw hole that straight bolt passes through on the second hull 261 and the second pressing plate 262 connects the second hull 261 and the second pressing plate 262
It connects, and available nut is tightened.Formula suspension clamp 26 is shouldered in use, transmission pressure passes through the second hull 261 and the second pressing plate upper
Between 262, tightening nut corresponding with straight bolt can make the second pressing plate 261 compress transmission pressure.
Referring again to Fig. 4, optionally, and the edge at the both ends of the second hull 261 is arc-shaped.Second hull 261
The edge at both ends can increase contact point when conducting wire is pierced by suspension clamp with the edge at the both ends of the second hull 261 for arc-shaped,
The stress that transmission pressure is pierced by 261 position of the second hull can be reduced.
Optionally, the second connection component 264 includes the second U-shaped hanging plate 2641 and the second pin shaft 2642, and the second hull 261 is set
There is the second U-type groove 2611, second hull 261 at the back side of the second U-type groove 2611 is equipped with protruding portion 2613, on protruding portion 2613
Equipped with the second pin hole, the second U-shaped hanging plate 2641 passes through the second pin hole by the second pin shaft 2642 with the second hull 261 and connect.The
Two hulls 261 and the second U-shaped hanging plate 264 are hinged.Second hull 261 can be rotated along the direction of transmission pressure, be led when encountering transmission of electricity
When the load in line direction, the second hull 261 can shed a part of load along hinged place fine rotation.
In the present embodiment, the second connection component 264 further includes pin shaft 2643, and the opening of the second U-shaped hanging plate 2641 is set
There is pin hole, the second U-shaped hanging plate 2641 and the second yoke plate 25 can pass through the pin hole on the second U-shaped hanging plate 2641 by pin shaft 2643
Connection.
Optionally, the second hull 261 of formula suspension clamp 26 and the equal rounded corner in edge of the second pressing plate 262 are above shouldered.Rounding
Angle removes the tip portion on the second hull 261 and the second pressing plate 262, makes to shoulder formula suspension clamp 26 anticorona.
Referring again to Fig. 1, optionally, the first insulator 13 is different from the length of the second insulator 23.It can be by changing the
The length of one insulator 13 or the second insulator 23 changes the relative lengths of two suspension strings.It can be tilted in transmission pressure
When, the length difference of two suspension strings makes the tie point of droop suspension clamp 16 and the first yoke plate 15 and above shoulders formula catenary
Folder 26 and the line of the tie point of the second yoke plate 25 and horizontal angle at an angle, can a degree of adaptation transmit electricity and lead
The tilt angle of line.The stress of transmission pressure can be changed in the tilt angle for adapting to transmission pressure, and the transmission of electricity for the side that makes to raise up is led
Line is reduced by the shear stress angle of upper anti-formula suspension clamp, thus reduce transmission pressure raise up side suspension clamp on along going out
The stress of conductor at mouthful.
Optionally, the first insulator 13 can also be identical with the length of the second insulator 23.
Optionally, the first yoke plate 15 is different from the length of the second yoke plate 25.It can be by changing the first yoke plate 15 or second
The length of yoke plate 25 changes the relative lengths of two suspension strings.When transmission pressure can tilt, the length of two suspension strings is not
It is same to make the tie point of droop suspension clamp 16 and the first yoke plate 15 and above shoulder the connection of formula suspension clamp 26 and the second yoke plate 25
The line and horizontal angle of point at an angle, can a degree of tilt angles for adapting to transmission pressure.Adapt to transmission of electricity
The stress of transmission pressure can be changed in the tilt angle of conducting wire, and the transmission pressure for the side that makes to raise up is by upper anti-formula suspension clamp
Shear stress angle reduce, thus reduce transmission pressure raise up side suspension clamp on along exit the stress of conductor.
Optionally, the first yoke plate 15 can also be identical with the length of the second yoke plate 25.
Optionally, the tie point of droop suspension clamp 16 and the first yoke plate 15 and formula suspension clamp 26 and 2 second is above shouldered
The line of the tie point of yoke plate 25 and horizontal angle are -20 ° to 20 °.When transmission pressure can tilt, droop catenary
The tie point of folder 16 and the first yoke plate 15 and the tie point and horizontal angle for above shouldering formula suspension clamp 26 and the second yoke plate 25
It, can a degree of tilt angle for adapting to transmission pressure in -20 ° to 20 °.The tilt angle of adaptation transmission pressure can be changed defeated
The transmission pressure of the stress of electric lead, the side that makes to raise up is reduced by the shear stress angle of upper anti-formula suspension clamp, thus
Reduce conducting wire raise up side suspension clamp on the problem big along the transmission pressure stress in exit.
In the present embodiment, the first hanging plate 11 and the second hanging plate 12 all can be ZBS type hanging plate, ZBS hanging plate is flexibly connected
It is not regarded in the cross-arm figure of shaft tower, ZBS hanging plate is used for the connection of entire suspension string and cross-arm.It is designed on ZBS hanging plate and cross-arm
Pin hole, the pin hole that ZBS hanging plate can pass through ZBS hanging plate and cross-arm with pin are hinged.Two suspension strings can prolonging along transmission pressure
Direction fine rotation is stretched, when encountering the load in transmission pressure direction, two suspension strings can be shed along pin fine rotation
A part of load.
Optionally, it is flexibly connected between the first hanging plate 11 and the first ball-eye 12, the second hanging plate 21 and the second bulb are hung
It is flexibly connected between ring 22.In the present embodiment, pin shaft is hinged between each hanging plate and corresponding ball-eye.Two extensions
Part overhangs string below plate can be rotated along the vertical direction of transmission pressure, when the load for encountering transmission pressure vertical direction
When, the part overhangs string below two hanging plates can shed a part of load along hinged place fine rotation.
Optionally, it is flexibly connected between the first ball-eye 12 and the first insulator 13, the second ball-eye 22 and second
It is flexibly connected between insulator 23.In the present embodiment, the part overhangs string below two ball-eyes can be along the vertical direction
It circumferentially rotates.When encountering the torsional load of transmission pressure along the vertical direction, the part overhangs string below two ball-eyes is equal
Can fine rotation along the vertical direction, a part of torsional load can be shed.
Optionally, the first insulator 13 and the second insulator 23 are composite insulator.First insulator 13 and second is exhausted
Edge 23 is for the insulation between transmission pressure and shaft tower.The insulating part of composite insulator is glass fiber resin product.It is compound
Outside insulator has the advantages that high mechanical strength, light-weight, dimensional tolerance are small, it also can avoid traditional ceramic insulators and broken draw because quick-fried
The destruction risen.
Optionally, it is flexibly connected between the first insulator 13 and the first socket-clevis eye 14, the second insulator 23 and second bowl
It is flexibly connected between head hanging plate 24.In the present embodiment, the part overhangs string below two insulators can be all along the vertical direction
To rotation.When encountering the torsional load of transmission pressure along the vertical direction, the part overhangs string below two insulators can edge
Vertical direction fine rotation can shed a part of torsional load.
Optionally, it is flexibly connected between the first socket-clevis eye 14 and the first yoke plate 15, the second socket-clevis eye 24 and second
It is flexibly connected between plate 25.In the present embodiment, pin shaft is hinged between each elbow hanging plate and corresponding yoke plate.Two bowls
Suspension string part below head hanging plate can be rotated along the vertical direction of transmission pressure, when the load for encountering transmission pressure vertical direction
When lotus, the suspension string part below two socket-clevis eyes can shed a part of load along hinged place fine rotation.
Optionally, it is flexibly connected between the first yoke plate 15 and droop suspension clamp 16, the second yoke plate 25 and above to shoulder formula outstanding
It is flexibly connected between vertical line folder 26.In the present embodiment, each yoke plate and corresponding U-shaped hanging plate are hinged.Two catenaries
Folder can be rotated along the vertical direction of transmission pressure, and when encountering the load of transmission pressure vertical direction, two suspension clamps are equal
A part of load can be shed along hinged place fine rotation.
In duplex suspension string in use, on shoulder formula suspension clamp and raise up side (i.e. right side in Fig. 1) set on transmission pressure.On
The both ends for shouldering formula suspension clamp raise up the contact area that can increase with transmission pressure, thus increase the frictional force to transmission pressure,
Make to shoulder formula suspension clamp and preferably clamps transmission pressure.On shoulder the both ends of formula catenary and raise up and can also improve the transmission of electricity for the side that raises up
The transmission pressure of the stress of conducting wire, the side that makes to raise up is reduced by the shear stress angle of upper anti-formula suspension clamp, to subtract
The shear stress that small transmission pressure is subject to.
The above is only the preferred embodiment of the present invention, is not intended to limit the utility model, all practical at this
Within novel spirit and principle, any modification, equivalent replacement, improvement and so on should be included in the guarantor of the utility model
Within the scope of shield.
Claims (10)
1. a kind of duplex suspension string, the duplex suspension string includes the first suspension string (1) and the second suspension string (2), and feature exists
In,
First suspension string (1) includes sequentially connected first hanging plate (11), the first ball-eye (12), the first insulator
(13), the first socket-clevis eye (14), yoke plate (15) and droop suspension clamp (16), the droop suspension clamp (16) include
First hull (161), the first pressing plate (162), the first connector (163) and the first connection component (164), first hull
(161) there are the first U-type groove (1611), first pressing plate (162) is connected to described the by first connector (163)
In one U-type groove (1611), first connection component (164) is located at the open side of first U-type groove (1611), and described first
Hull (161) is connect by first connection component (164) with the first yoke plate (15), the both ends of first hull (161)
Backwards to lateral bend where first connection component (164)；
Second suspension string (2) includes sequentially connected second hanging plate (21), the second ball-eye (22), the second insulator
(23), the second socket-clevis eye (24), the second yoke plate (25) and above shoulder formula suspension clamp (26), it is described on shoulder formula suspension clamp (26)
Including the second hull (261), the second pressing plate (262), the second connector (263) and the second connection component (264), the second ship
Body (261) has the second U-type groove (2611), and second pressing plate (262) is connected to described by second connector (263)
In second U-type groove (2611), second connection component (264) is located at the opposite side of the opening of second U-type groove (2611),
Second hull (261) is connect by second connection component (264) with the second yoke plate (25), second hull
(261) lateral bend where both ends towards second connection component (264).
2. duplex suspension string as described in claim 1, which is characterized in that first pressing plate (162) and first hull
(161) opposite one side is equipped with the first wire casing (1621), and second pressing plate (262) and second hull (261) are opposite
One side be equipped with the second wire casing (2621).
3. duplex suspension string as described in claim 1, which is characterized in that first insulator (13) and second insulation
The length of sub (23) is different.
4. duplex suspension string as described in claim 1, which is characterized in that first yoke plate (15) and second yoke plate
(25) length is different.
5. duplex suspension string as described in claim 1, which is characterized in that the droop suspension clamp (16) and described first
The tie point of yoke plate (15) and it is described on shoulder formula suspension clamp (26) and second yoke plate (25) tie point line and water
The angle of horizontal line is -20 ° to 20 °.
6. duplex suspension string as described in claim 1, which is characterized in that first hull (161) and the second hull (261)
The edge at both ends be arc-shaped.
7. duplex suspension string as described in claim 1, which is characterized in that the first hull (161) second hull
(261), the equal rounded corner in edge of first pressing plate (162) and second pressing plate (262).
8. such as the described in any item duplex suspension strings of claim 1-7, which is characterized in that the first connection component (164) packet
The first U-shaped hanging plate (1641) and the first pin shaft (1642) are included, first hull (161) is equipped with the first U-type groove (1611), described
First hull (161) of the two sides of first U-type groove (1611) is equipped with the first pin hole, and first pin hole is set to the U
At the notch of type groove, the first U-shaped hanging plate (1641) and first hull (161) pass through the by the first pin shaft (1642)
The connection of one pin hole.
9. such as the described in any item duplex suspension strings of claim 1-7, which is characterized in that the second connection component (264) packet
The second U-shaped hanging plate (2641) and the second pin shaft (2642) are included, second hull (261) is equipped with the second U-type groove (2611), described
Second hull (261) at the back side of the second U-type groove (2611) is equipped with protruding portion (2613), and the protruding portion is equipped with the
Two pin holes, the second U-shaped hanging plate (1641) and second hull (261) pass through the second pin hole by the second pin shaft (2642)
Connection.
10. such as the described in any item duplex suspension strings of claim 1-7, which is characterized in that first insulator (13) and the
Two insulators (23) are composite insulator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821631727.XU CN209184193U (en) | 2018-10-08 | 2018-10-08 | Duplex suspension string |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821631727.XU CN209184193U (en) | 2018-10-08 | 2018-10-08 | Duplex suspension string |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209184193U true CN209184193U (en) | 2019-07-30 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112615335A (en) * | 2020-12-24 | 2021-04-06 | 中国能源建设集团广东省电力设计研究院有限公司 | Three-dimensional compact double-layer framework for power transmission and distribution |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112615335A (en) * | 2020-12-24 | 2021-04-06 | 中国能源建设集团广东省电力设计研究院有限公司 | Three-dimensional compact double-layer framework for power transmission and distribution |
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