CN205822907U - Cross-arm and power transmission rod - Google Patents
Cross-arm and power transmission rod Download PDFInfo
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- CN205822907U CN205822907U CN201620553405.2U CN201620553405U CN205822907U CN 205822907 U CN205822907 U CN 205822907U CN 201620553405 U CN201620553405 U CN 201620553405U CN 205822907 U CN205822907 U CN 205822907U
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Abstract
The open a kind of cross-arm of this utility model, for power transmission rod, this power transmission rod also includes the body of rod being vertically arranged, this cross-arm includes horizontal part and is individually fixed in the first vertical portion and second vertical portion at these horizontal part both ends, this horizontal part uses glass-reinforced plastic material to make, this horizontal part is fixed on the described body of rod, and above-mentioned first vertical portion and above-mentioned second vertical portion are used for connecting wire.This cross-arm, owing to arranging horizontal part and two the first vertical portions being individually fixed in this horizontal part end and the second vertical portion, its simple in construction, only needs directly to fix this cross-arm when being installed on power transmission rod, easy for installation, cost-effective.Owing to horizontal part uses glass-reinforced plastic material to make, it is ensured that cross-arm insulating properties are good such that it is able to effectively reduce line corridor width.This utility model is also disclosed a kind of power transmission rod.
Description
Technical field
This utility model relates to a kind of transmission of electricity insulator arrangement field, specifically a kind of cross-arm and power transmission rod.
Background technology
In field of electrical equipment, cross-arm used for transmission line is the matched structural that power transmission rod is important, be used for supporting wire,
Lightning conducter etc., and it is allowed to the safe distance certain by regulation holding.Wide in the transmission line of electricity of 35kV and following electric pressure at present
General use mostly be the metal cross arm such as iron cross arm, steel cross-arm, due to the electric conductivity of metal material, in longtime running exist insulation
Poor performance, easily the problem such as corrosion and ageing metaboly, line corridor width occurs, operation of power networks accident easily occurs.And when at cross-arm
During upper installation insulator, needing to be fixed by can etc., structure is complicated, and metal quality is heavier so that the peace of cross-arm
Extremely inconvenience safeguarded by dress.
Utility model content
For the deficiencies in the prior art, one of the purpose of this utility model is to provide a kind of cross-arm, these cross-arm insulating properties
Good, simple in construction, convenient for installation and maintenance, it is possible to effectively reduce line corridor width, cost-effective.
For realizing above-mentioned utility model purpose, the technological means that this utility model is used is as follows: a kind of cross-arm, for defeated
Electric pole, this power transmission rod also includes the body of rod being vertically arranged, and this cross-arm includes horizontal part and is individually fixed in this horizontal part both ends
The first vertical portion and the second vertical portion, this horizontal part use glass-reinforced plastic material make, this horizontal part is fixed on the described body of rod,
Above-mentioned first vertical portion and above-mentioned second vertical portion are used for connecting wire.
Above-mentioned cross-arm, owing to arranging horizontal part and two the first vertical portions and second being individually fixed in this horizontal part end
Vertical portion, its simple in construction, only need directly to fix this cross-arm when being installed on power transmission rod, easy for installation.Due to horizontal part
Employing glass-reinforced plastic material is made, it is ensured that cross-arm insulating properties are good, and antifouling property is good, corrosion-resistant, light weight, installs and safeguards
Convenient, it is possible to effectively reduce line corridor width, cost-effective.
When arranging single loop circuit on power transmission rod, the wire of mounting is needed to have three, each in above-mentioned cross-arm two vertical portion
Mount a wire, the 3rd vertical portion additionally can be set on power transmission rod, can be used for mounting three of the wires.Work as power transmission rod
On time double circuit line is set, need the wire of mounting to have six, three above-mentioned cross-arms, each cross-arm can be installed on power transmission rod
Each vertical portion on all mount a wire.Other multi-loop lines the like, so cross-arm of the present utility model is suitable for
Application in various return leads.
Preferably, above-mentioned horizontal part passes through pultrusion.The mechanical strength so making cross-arm is good.
Preferably, the end of the end of above-mentioned first vertical portion and above-mentioned second vertical portion respectively with above-mentioned horizontal part two ends
Portion is fixing to be connected, and above-mentioned first vertical portion and above-mentioned second vertical portion are positioned at the same side of above-mentioned horizontal part.So by cross-arm
When being fixed on the body of rod, the first vertical portion and the second vertical portion in the vertical direction are placed in above horizontal part so that first erects
Straight portion and the second vertical portion are subjected only to wire and conduct oneself with dignity the pressure brought, and it is little that it bears load with the junction point of horizontal part, and cross-arm is whole
The mechanical property of body is good.
Preferably, any one in above-mentioned first vertical portion and above-mentioned second vertical portion includes insulating core and to be coated on this exhausted
Full skirt outside edge core.So can increase creep age distance, and anti-pollution characteristic is good, it is ensured that the electrical insulation properties of cross-arm.
Preferably, above-mentioned full skirt direct injection molding or be directly socketed on described insulating core on described insulating core.This
Sample makes easily manufactured.
Preferably, above-mentioned horizontal part also setting up the 3rd vertical portion for connecting wire, the 3rd vertical portion is positioned at
State between the first vertical portion and above-mentioned second vertical portion.First vertical portion, the second vertical portion and the 3rd vertical portion are respectively used to even
Connect three-phase conducting wire, only need when so making power transmission rod assemble to be fixed to cross-arm on the body of rod reconnect respective wire, install
Convenient, simple to operate.
Preferably, the end of above-mentioned 3rd vertical portion and above-mentioned horizontal part are fixing to be connected, the 3rd vertical portion and above-mentioned the
One vertical portion and above-mentioned second vertical portion are positioned at the same side of described horizontal part.So when cross-arm is fixed on the body of rod, will
3rd vertical portion also can be placed in above horizontal part equally so that the 3rd vertical portion is subjected only to wire and conducts oneself with dignity the pressure that brings, its with
It is little that the junction point of horizontal part bears load, and the overall mechanical property of cross-arm is good.
Preferably, the cross section of above-mentioned horizontal part is circular, polygon or I-shaped.
Preferably, it is also wrapped on full skirt outside above-mentioned horizontal part.So can increase creep age distance, and anti-pollution characteristic
Good, it is further ensured that the insulating properties of cross-arm.
For the deficiencies in the prior art, the two of the purpose of this utility model are to provide a kind of power transmission rod, and this power transmission rod assembles
Easy to maintenance, good insulation preformance, it is possible to effectively reduce line corridor width, cost-effective.
For realizing above-mentioned utility model purpose, the technological means that this utility model is used is as follows: a kind of power transmission rod, including
The body of rod and the cross-arm being fixed on the described body of rod, this cross-arm is above-mentioned cross-arm.
Preferably, during fixing above-mentioned cross-arm, above-mentioned first vertical portion and above-mentioned second vertical portion vertical direction are positioned at
State above horizontal part.The first vertical portion and the second vertical portion is so made to be subjected only to the pressure that wire deadweight brings, itself and level
It is little that the junction point in portion bears load, and the overall mechanical property of cross-arm is good.
Preferably, above-mentioned cross-arm is fixed on the above-mentioned body of rod by securing member, above-mentioned horizontal part is arranged and wears for securing member
The installing hole crossed.When so making power transmission rod install, can conveniently firmly fix cross-arm.
Preferably, above-mentioned power transmission rod includes fixture, and this fixture is used for fixing above-mentioned cross-arm and the above-mentioned body of rod, and this is fixed
Part includes body of rod connector and cross-arm accommodating member, and this body of rod connector is used for connecting the above-mentioned body of rod and above-mentioned cross-arm accommodating member, should
Cross-arm accommodating member is used for housing above-mentioned cross-arm.Owing to being provided with above-mentioned cross-arm accommodating member for housing above-mentioned cross-arm, it is not necessary to
Punch on cross-arm, it is ensured that the mechanical property of cross-arm so that cross-arm can support wire well, it is ensured that transmission line of electricity is normally transported
OK.
Preferably, above-mentioned cross-arm accommodating member circumferentially surrounds above-mentioned cross-arm along above-mentioned cross-arm.So it is easy to stable connection.
Preferably, above-mentioned body of rod connector circumferentially surrounds the described body of rod along the above-mentioned body of rod.So it is easy to stable connection.
Preferably, the cavity volume inwall of above-mentioned cross-arm accommodating member matches with the outer surface of accommodating above-mentioned cross-arm within it.
Cross-arm so can be avoided to rock in cross-arm accommodating member so that install more stable reliably.
Preferably, the inwall of above-mentioned body of rod connector matches with the outer surface of the above-mentioned body of rod surrounded within it.So
The body of rod can be made bigger with the contact area of body of rod connector, fixing more firm.
The three of the purpose of this utility model are to provide a kind of power transmission rod, including the body of rod and the cross-arm being fixed on this body of rod,
It is fixed with the 3rd vertical portion for connecting wire by bindiny mechanism on this body of rod.
Preferably, above-mentioned bindiny mechanism includes two half hoops cooperated and two half hoops is fastened to the above-mentioned body of rod
On securing member, this half hoop includes hoop portion and is positioned at the hoop ear of these both sides, hoop portion, this hoop ear is arranged and wears for above-mentioned securing member
The through hole crossed.Directly just the 3rd vertical portion can be fixed on the body of rod with two half hoops and appended claims when so installing, behaviour
Make convenient and simple.
Preferably, the above-mentioned hoop portion of one of them above-mentioned half hoop is provided with and the little hoop of above-mentioned 3rd vertical portion laminating
Portion.Make little hoop portion and the 3rd vertical portion laminating time so fixing, the half hoop force area to the 3rd vertical portion can be increased, make
Obtain fixation reliable.
Accompanying drawing explanation
Fig. 1 is the schematic perspective view of the power transmission rod 120 of this utility model embodiment one；
Fig. 2 is the schematic perspective view of the cross-arm 110 of this utility model embodiment one；
Fig. 3 is the first vertical portion 102 and the second vertical portion 103 and level on the cross-arm 110 of this utility model embodiment one
The most nutted schematic diagram in portion 101；
Fig. 4 is the first vertical portion 102 and middle part of the second vertical portion 103 on the cross-arm 110 of this utility model embodiment one
The schematic diagram being connected with horizontal part 101；
Fig. 5 is the sectional perspective schematic diagram connecting wire 115 on the first vertical portion 102 of this utility model embodiment one；
Fig. 6 is the schematic perspective view of the connector 105 of this utility model embodiment one；
Fig. 7 be the shape of cross section of the horizontal part 101 of this utility model embodiment one be square schematic diagram；
Fig. 8 be the shape of cross section of the horizontal part 101 of this utility model embodiment one be hexagonal schematic diagram；
Fig. 9 be the shape of cross section of the horizontal part 101 of this utility model embodiment one be octagonal schematic diagram；
Figure 10 be the shape of cross section of the horizontal part 101 of this utility model embodiment one be circular schematic diagram；
Figure 11 be the shape of cross section of the horizontal part 101 of this utility model embodiment one be I-shaped schematic diagram；
Figure 12 is the schematic perspective view being additionally provided with full skirt 107 on the horizontal part 101 of this utility model embodiment one；
Figure 13 is the schematic perspective view of the securing member 125 of this utility model embodiment one；
Figure 14 is the schematic perspective view of the power transmission rod 220 of this utility model embodiment two；
Figure 15 is the schematic perspective view of the cross-arm 210 of this utility model embodiment two；
Figure 16 is the schematic perspective view of the power transmission rod 320 of this utility model embodiment three；
Figure 17 is the schematic perspective view of the cross-arm 310 of this utility model embodiment three；
Figure 18 is the schematic perspective view of the power transmission rod 420 of this utility model embodiment four；
Figure 19 is another schematic perspective view of the power transmission rod 420 of this utility model embodiment four；
Figure 20 is the sectional perspective schematic diagram that the cross-arm of this utility model embodiment five is arranged on the body of rod 521；
Figure 21 and Figure 22 is the sectional perspective schematic diagram that the cross-arm of this utility model embodiment six is arranged on the body of rod 621；
Figure 23 to Figure 26 is the office that cross-arm installed on the body of rod 621 by several employing fixtures of this utility model embodiment six
Portion's schematic perspective view.
Detailed description of the invention
As requested, detailed description of the invention of the present utility model will be disclosed here.It is to be understood, however, that institute here
The embodiment disclosed is only exemplary of the present utility model, and it can be presented as various forms.Therefore, disclose here
Detail be not to be considered as limiting, and be merely possible to the basis of claim and as instructing this area
Technical staff in reality any appropriate in the way of differently apply representational basis of the present utility model, including using here
Disclosed various features combination are likely not to have the feature clearly disclosed here.
Embodiment one:
Seeing Fig. 1, the power transmission rod 120 of the present embodiment includes the body of rod 121 and the cross-arm 110 being fixed on the body of rod 121, the body of rod
121 are vertically arranged.
Seeing Fig. 1 and Fig. 2, cross-arm 110 includes horizontal part 101 and be individually fixed in horizontal part 101 both ends first is erected
Straight portion 102 and the second vertical portion 103, horizontal part 101 uses glass-reinforced plastic material to make, and horizontal part 101 is fixed on the body of rod 121,
First vertical portion 102 and the second vertical portion 103 are used for connecting wire.
Specifically, seeing Fig. 2 and Fig. 3, horizontal part 101 is in rectangular-shaped.First vertical portion 102 and the second vertical portion 103
Being cylindric, its axis is all vertical with the axis of horizontal part 101.The end of the first vertical portion 102 and the second vertical portion 103
End is fixing with horizontal part 101 both ends respectively to be connected.Specifically, it is respectively provided with two connecting holes at horizontal part 101 both ends
111.On first vertical portion 102, the end that be connected fixing with horizontal part 101 is crimped with connection gold utensil 112, connects gold utensil 112 surface
Be threaded, first connection gold utensil 112 inserted during installation connecting hole 111, then with nut 113 be connected gold utensil 112 surface
Threaded engagement screws and the first vertical portion 102 can be fixedly connected on horizontal part 101 end.It is also provided with on second vertical portion 103
Having connection gold utensil 114, its structure and fixed form are identical with the first vertical portion 102, do not repeat them here.
In the present embodiment, the first vertical portion 102 and the second vertical portion 103 are respectively positioned on the same side of horizontal part 101.So
When being fixed on the body of rod 121 by cross-arm 110, the first vertical portion 102 and the second vertical portion 103 in the vertical direction are placed in water
Above flat portion 101 so that the first vertical portion 102 and the second vertical portion 103 are subjected only to the pressure that wire deadweight brings, itself and level
It is little that the junction point in portion 101 bears load, and the mechanical property of cross-arm 110 entirety is good.Certainly, this utility model is not limited thereto,
By the mode such as glueing joint, joinery and its construction is fixing, first vertical portion 102 and the second vertical portion 103 can also be fixed on horizontal part
101 both ends.Or seeing Fig. 4, the first vertical portion 102 and the second vertical portion 103 are all to connect with horizontal part 101 end in the middle part of it
Connect (attachment structure is not shown), naturally it is also possible on its periphery, arbitrarily select fixed position the most respectively.
Furthermore, it is to be understood that cross-arm can also be arranged on the body of rod in the way of contrary with aforesaid way so that first is vertical
Portion and the second vertical portion in the vertical direction are placed in below horizontal part, and at this moment cross-arm is primarily subjected to the pulling force of wire, but now
Need the exumbrella of full skirt in vertical plane is set to dome-shaped, be beneficial to the landing such as filth, sleet.
Seeing Fig. 3 and Fig. 5, the first vertical portion 102 is not straight along end face with on the end face of the fixing the other end of horizontal part 101
The through semi-cylindrical groove 104 being provided for laying wire 115 in direction, footpath, and it is respectively provided with two spiral shells in groove 104 both sides
Pit (not shown).When connecting wire 115, wire 115 is placed in groove 104, covers up with connector 105 and use
Bolt 106 is threaded in hole being tightened.
Specifically, seeing Fig. 6, connector 105 includes half hoop portion 107 and distinguishes along both sides, half hoop portion 107 the most outward extending
Two connect sheet 109, and half hoop portion 107 arranges semi-cylindrical groove 108, connect and arrange through hole 116 on sheet 109.Connect wire
When 115, after wire 115 is placed in groove 104, connector 105 is covered and makes groove 108 paste with wire 115 above it
Close, be screwed into again in the screwed hole of groove 104 both sides also through the through hole 116 connected on sheet 109 with two bolts 106 the most respectively
Screw and wire 115 can be connected on the first vertical portion 102.The structure connecting wire on second vertical portion 103 is erected with first
Straight portion 102 is identical, does not repeats them here.Certainly, this utility model is not limited to this, it is also possible in the first end, vertical portion 102
Crimping armor clamp is used for connecting wire 115.
In the present embodiment, the first vertical portion 102 and the second vertical portion 103 are all adopted and are made from an insulative material.Specifically,
One vertical portion 102 and the second vertical portion 103 use epoxy resin impregnated glass fiber pultrusion to form.Certainly, this utility model is also
Be not limited to this, the first vertical portion 102 and the second vertical portion 103 can also use vinyl ester resin impregnated glass fiber etc. its
He makes by material, it would however also be possible to employ compression molding, other molding modes such as Wrapping formed, its cross section can also be square, many
Limit shape or other shapes such as I-shaped.
Seeing Fig. 1 and Fig. 2, horizontal part 101 is solid construction, and its cross section is square, uses epoxy resin dipping glass
Fiber pultrusion forms, and i.e. while the most completely crued horizontal part of molding 101, draws out this most completely crued horizontal part 101,
Then it is carried out integrally curing.So make cross-arm 110 for integral insulation structure, meet insulating properties and wire spaced apart
Line corridor width can be reduced on the premise of requiring, cost-effective.
Certainly, this utility model is not limited thereto, and horizontal part 101 can also use vinyl ester resin to impregnate glass fibers
The other materials such as dimension are made.Horizontal part 101 can also use hollow-core construction, and its cross section can also be circular, polygon or work
Other shapes such as font, seeing Fig. 7 to Figure 11 and respectively illustrating the shape of cross section of horizontal part 101 is square, hexagon, eight limits
Shape, circular and I-shaped.See Figure 12, full skirt 107 outside horizontal part 101, can also be coated with, so can increase creepage away from
From, it is further ensured that the insulating properties of cross-arm 110, reduces line corridor width, cost-effective.In Figure 12 outside horizontal part 101
Two full skirts 107 are set, respectively include three umbrella sheets, it is clear that one or more full skirt 107, umbrella can also be set according to the actual requirements
Sheet number can select one or more according to actual needs.Full skirt 107 uses high-temperature silicon disulfide rubber integral injection molding bag
Overlaying on outside horizontal part 101, certain full skirt 107 can also be sleeved on horizontal part 101 after first molding again, it would however also be possible to employ room temperature
Other insulant such as sulphurated siliastic or glass are made.
Seeing Fig. 1 and Fig. 2, when cross-arm 110 is fixed on the body of rod 121 by securing member, horizontal part 101 is horizontally disposed with, the
One vertical portion 102 and the second vertical portion 103 in the vertical direction are positioned at the top of horizontal part 101, so make the first vertical portion
102 and second vertical portion 103 be subjected only to wire and conduct oneself with dignity the pressure that brings, it is little that it bears load with the junction point of horizontal part 101, horizontal stroke
The mechanical property carrying on a shoulder pole 110 entirety is good.Horizontal part 101 both ends distance away from the body of rod 121 is equal, so makes cross-arm 110 both sides
Stress equalization, good stability.
Specifically, see Fig. 1 and Fig. 2, in the present embodiment, horizontal part 101 is additionally provided with two installing holes 117, tightly
Firmware uses U-shaped anchor ear 122 and two nuts 123 to coordinate.U-shaped anchor ear 122 both ends are respectively provided with screw thread, during installation, and U-shaped anchor ear
122 both ends are tightened with nut 123 after being each passed through two installing holes 117 fixing can be fixed on the body of rod 121 by cross-arm 110
On.
With continued reference to Fig. 1, in the present embodiment, power transmission rod 120 also includes the 3rd vertical portion 124 for connecting wire,
3rd vertical portion 124 is fixed on the body of rod 121.3rd vertical portion 124 is essentially identical with the structure of the first vertical portion 102, different
Be on the 3rd vertical portion 124 and be not provided with connect gold utensil 112.3rd vertical portion 124 is by two securing members 125 and bolt
Nut screw connection (not shown) is fixed on the body of rod 121.
Specifically, seeing Figure 13, securing member 125 includes two half hoops cooperated 126 and half hoop 127, and half hoop 126 is wrapped
Include semicircle hoop portion 128 and be positioned at the hoop ear 129 of both sides, hoop portion 128, hoop ear 129 arranging through hole 130 and passes for bolt.Half
Hoop 127 also includes semicircle hoop portion 131 and is positioned at the hoop ear 132 of both sides, hoop portion 131, hoop ear 132 arranges through hole 133 for spiral shell
Bolt passes.The diameter in hoop portion 128 and hoop portion 131 adapts with the body of rod 121 diameter, and it is vertical with the 3rd that hoop portion 131 is additionally provided with
The semicircle little hoop portion 134 that portion 124 diameter adapts, is so easy to firmly fix the 3rd vertical portion 124.Fix the 3rd vertical
During portion 124, after being fitted in little hoop portion 134 and the 3rd vertical portion 124, then half hoop 126 and half hoop 127 cooperation are made hoop portion 128
All fit with the body of rod 121 with hoop portion 131, then screw through through hole 130 and through hole 133 also attaching nut with bolt, behaviour
Make simple, easy for installation.
Embodiment two:
Seeing Figure 14, the power transmission rod 220 of this utility model the second embodiment includes the body of rod 221 and is fixed on the body of rod 221
Cross-arm 210, the body of rod 221 is vertically arranged.Cross-arm 210 is identical with first embodiment with the fixed connection structure of the body of rod 221, at this
Repeat no more.
Seeing Figure 15, in the present embodiment, cross-arm 210 is essentially identical with first embodiment, different from first embodiment
It is that the first vertical portion 202 includes insulating core 211 and the full skirt 212 being coated on outside insulating core 211.Specifically, insulating core 211 is adopted
Form with epoxy resin impregnated glass fiber pultrusion.Full skirt 212 includes four umbrella sheets, uses high-temperature silicon disulfide rubber one piece injection
Forming covered is outside insulating core 211.
Certainly, this utility model is not limited thereto, and insulating core 211 can also use vinyl ester resin to impregnate glass fibers
The other materials such as dimension are made, it would however also be possible to employ compression molding, other molding modes such as Wrapping formed.Full skirt 212 can also include
One or more umbrella sheets, can select umbrella sheet number according to the actual requirements.Full skirt 212 the most directly can also be socketed in absolutely after first molding
On edge core 211, it would however also be possible to employ other insulant such as room temperature vulcanized silicone rubber, pottery or glass are made.
In the present embodiment, the first vertical portion 202 and the second vertical portion 203 all use bonding mode to be fixed on horizontal part
On 201.Second vertical portion 203 is identical with the structure of the first vertical portion 202, does not repeats them here.Certainly, this utility model is not
Being confined to this, the first vertical portion 202 and the second vertical portion 203 can be the structures that only one of which uses in the present embodiment,
Another uses the structure of the first vertical portion 102 in embodiment one.
Seeing Figure 14, in the present embodiment, power transmission rod 220 also includes the 3rd vertical portion 224 for connecting wire, the 3rd
Vertical portion 224 is identical with the structure of the first vertical portion 202, does not repeats them here.3rd vertical portion 224 is fixing with the body of rod 221
Attachment structure is identical with first embodiment, does not repeats them here.
Embodiment three:
Seeing Figure 16, the power transmission rod 320 of this utility model the 3rd embodiment includes the body of rod 321 and is fixed on the body of rod 321
Cross-arm 310, the body of rod 321 is vertically arranged.Cross-arm 310 is identical, at this with the fixed connection structure of the body of rod 321 and the second embodiment
Repeat no more.
Seeing Figure 17, in the present embodiment, cross-arm 310 is essentially identical with the second embodiment, different from the second embodiment
It is that the 3rd vertical portion 324 is fixedly installed on the position, middle on horizontal part 301, only needs directly when so assembling power transmission rod 320
Fixing cross-arm 310, easy to operate simply, and make stress equalization in cross-arm 310 horizontal direction, good stability.
Specifically, the end of the 3rd vertical portion 324 uses bonding mode to be fixed on horizontal part 301, and it is positioned at first and erects
Straight between portion 302 and the second vertical portion 303, and it is positioned at horizontal part 301 with the first vertical portion 302 and the second vertical portion 303
The same side.So when cross-arm 310 is fixed on the body of rod 321, the 302, second vertical portion, the first vertical portion 303 and the 3rd is erected
Straight portion 324 in the vertical direction is placed in above horizontal part 301 so that the mechanical property of cross-arm 310 is preferable.
Embodiment four:
Seeing Figure 18, the power transmission rod 420 of this utility model the 4th embodiment is essentially identical with the 3rd embodiment, real with the 3rd
Executing unlike example, power transmission rod 420 is for dual loop transmission line, including two cross-arms being fixed on the body of rod 421 410 and horizontal stroke
Load 430.
Cross-arm 410 is identical with cross-arm 310 structure in the 3rd embodiment, does not repeats them here.Cross-arm 430 and the 3rd is implemented
The structure of the cross-arm 310 in example is essentially identical, except that the 3rd vertical portion 424 is positioned at the body of rod 421 1 during fixing cross-arm 430
Side, is so easy to connect wire, will not produce interference.Meanwhile, support member 425 is set on support cross arm 410, is fixed with
The side of three vertical portions 424, so makes cross-arm 410 ensure that stress balance when being fixed on the body of rod 421, overall firm.Tool
Body ground, support member 425 is in shaft-like, and two ends arrange through hole, and on cross-arm 410, relevant position arranges through hole simultaneously, is worn by bolt
Cross the through hole on the through hole of support member 425 one end and cross-arm 410 and and nut screw connection, thus by solid with cross-arm 410 for support member 425
It is scheduled on together.Support member 425 other end is fixed on the body of rod 421 with coordinating of bolt and nut by anchor ear again.
Certainly, this utility model is not limited thereto, and sees Figure 19, and power transmission rod 420, can when dual loop transmission line
Fixing 3 cross-arms 440 on the body of rod 421, cross-arm 440 is identical with cross-arm 210 structure in the second embodiment, the most superfluous at this
State.Additionally, when power transmission rod is for multiple loop transmission line, cross-arm 410 and the cross-arm of corresponding number can be selected according to demand
430, or select the cross-arm 440 of corresponding number.
Embodiment five:
Seeing Figure 20, the power transmission rod of this utility model the 5th embodiment is essentially identical with first embodiment, implements with first
Unlike example, the shape of cross section of horizontal part 501 is circular, and is not provided with installing hole on horizontal part 501, and cross-arm is by fixing
Part is fixed on the body of rod 521.
Specifically, horizontal part 501 is fixed on the body of rod 521 by fixture in the way of vertical with the body of rod 521.Certainly,
Horizontal part 501 can also be fixed with the body of rod 521 near normal.Fixture includes body of rod connector 551 and cross-arm accommodating member 552,
Body of rod connector 551 is two the U-shaped anchor ears arranged up and down, and the opening at each U-shaped anchor ear is provided with screw thread.Cross-arm accommodating member
552 include the arcuate member 553 circumferentially surrounding cross-arm and are arranged on the connection sheet 554 on arcuate member 553 both sides, and arcuate member 553 is formed
There is a cavity volume for accommodating horizontal part 501.Two connecting holes are set on each connection sheet 554 for passing also for U-shaped anchor ear
Fastening, uses nut, pad with the threaded engagement fastening on U-shaped anchor ear opening thus cross-arm to be fixed on bar in the present embodiment
On body 521.Certainly, when the shape of cross section of horizontal part 501 is other shapes such as rectangle, the cavity volume inwall of arcuate member 553
It is set to match with the outer surface of accommodating horizontal part 501 within it.
Embodiment six:
Seeing Figure 21 and Figure 22, power transmission rod and the 5th embodiment of this utility model sixth embodiment are essentially identical, with
Unlike five embodiments, the shape of cross section of horizontal part 601 is rectangle, and body of rod connector 651 surrounds the body of rod 621 and horizontal stroke
Load accommodating member 652 connects.Body of rod connector 651 includes the cavity volume portion 655 surrounding the body of rod 621 and is arranged on both sides, cavity volume portion 655
Connection sheet 654, the inner wall shape in cavity volume portion 655 matches with the outer surface of the body of rod 621.Cross-arm accommodating member 652 be two U-shaped
Anchor ear, the opening at each U-shaped anchor ear is provided with screw thread.Two connecting holes are set on each connection sheet 654 for for U-shaped anchor ear
Pass and fasten, the present embodiment uses nut, pad fasten with the threaded engagement on U-shaped anchor ear opening thus cross-arm is solid
It is scheduled on the body of rod 621.
Certainly, this utility model is not limited to this, sees Figure 23 to Figure 26, body of rod connector 651 and cross-arm accommodating member 652
Different version can be used, if the outer surface of the body of rod that the inner wall section of body of rod connector 651 and encirclement are within it
Matching, the cavity volume inwall of cross-arm accommodating member 652 matches with the outer surface of accommodating cross-arm within it, and is capable of cross-arm
It is fixed on the body of rod.Wherein, the body of rod connector 651 in Figure 26 and cross-arm accommodating member 652 are integrated setting.
Technology contents of the present utility model and technical characterstic have revealed that as above, it being understood, however, that of the present utility model
Under creative ideas, said structure and material can be made various changes and improve by those skilled in the art, including the most independent
The combination of the technical characteristic disclosed or claim, it will be apparent that include other combination of these features.These deformation and/or combination
Each fall within the technical field involved by this utility model, and fall into this utility model scope of the claims.
Claims (20)
1. a cross-arm, for power transmission rod, described power transmission rod also includes the body of rod being vertically arranged, it is characterised in that: described cross-arm
Including horizontal part and the first vertical portion and the second vertical portion that are individually fixed in described horizontal part both ends, described horizontal part uses
Glass-reinforced plastic material is made, and described horizontal part is fixed on the described body of rod, and described first vertical portion and described second vertical portion are used for
Connect wire.
2. cross-arm as claimed in claim 1, it is characterised in that: described horizontal part passes through pultrusion.
3. cross-arm as claimed in claim 1, it is characterised in that: the end of described first vertical portion and described second vertical portion
End is fixing with described horizontal part both ends respectively to be connected, and described first vertical portion and described second vertical portion are positioned at described level
The same side in portion.
4. cross-arm as claimed in claim 1, it is characterised in that: arbitrary in described first vertical portion and described second vertical portion
Individual insulating core and the full skirt being coated on outside described insulating core of including.
5. cross-arm as claimed in claim 4, it is characterised in that: described full skirt is direct injection molding or straight on described insulating core
Female connector is connected on described insulating core.
6. cross-arm as claimed in claim 1, it is characterised in that: also set up on described horizontal part and the 3rd erect for connect wire
Straight portion, described 3rd vertical portion is between described first vertical portion and described second vertical portion.
7. cross-arm as claimed in claim 6, it is characterised in that: the end of described 3rd vertical portion is fixing with described horizontal part even
Connecing, described 3rd vertical portion is positioned at the same side of described horizontal part with described first vertical portion and described second vertical portion.
8. cross-arm as claimed in claim 1, it is characterised in that: the cross section of described horizontal part is circular, polygon or I-shaped
Shape.
9. cross-arm as claimed in claim 1, it is characterised in that: it is also wrapped on full skirt outside described horizontal part.
10. a power transmission rod, including the body of rod and the cross-arm being fixed on the described body of rod, it is characterised in that: described cross-arm is right
Require the cross-arm according to any one of 1 to 9.
11. power transmission rods as claimed in claim 10, it is characterised in that: during fixing described cross-arm, described first vertical portion and institute
State the second vertical portion in the vertical direction to be positioned at above described horizontal part.
12. power transmission rods as claimed in claim 10, it is characterised in that: described cross-arm is fixed on the described body of rod by securing member
On, described horizontal part arranges the installing hole passed for securing member.
13. power transmission rods as claimed in claim 10, it is characterised in that: described power transmission rod includes fixture,
Described fixture is used for fixing described cross-arm and the described body of rod, and described fixture includes that body of rod connector and cross-arm house
Part, described body of rod connector is used for connecting the described body of rod and described cross-arm accommodating member, and described cross-arm accommodating member is for accommodating described
Cross-arm.
14. power transmission rods as claimed in claim 13, it is characterised in that: described cross-arm accommodating member circumferentially surrounding along described cross-arm
Described cross-arm.
15. power transmission rods as claimed in claim 13, it is characterised in that: described body of rod connector circumferentially surrounding along the described body of rod
The described body of rod.
16. power transmission rods as claimed in claim 14, it is characterised in that: the cavity volume inwall of described cross-arm accommodating member be contained in it
The outer surface of interior described cross-arm matches.
17. power transmission rods as claimed in claim 15, it is characterised in that: the inwall of described body of rod connector with surround within it
The outer surface of the described body of rod matches.
18. 1 kinds of power transmission rods, including the body of rod and the cross-arm being fixed on the described body of rod, it is characterised in that: described cross-arm is right
Require cross-arm according to any one of 1 to 5,8 to 9, on the described body of rod by bindiny mechanism be fixed with for connect wire the
Three vertical portions.
19. power transmission rods as claimed in claim 18, it is characterised in that: described bindiny mechanism includes two half hoops cooperated
And two described half hoops are fastened to the securing member on the described body of rod, described half hoop includes hoop portion and is positioned at described hoop portion two
The hoop ear of side, described hoop ear arranges the through hole passed for described securing member.
20. power transmission rods as claimed in claim 19, it is characterised in that: it is provided with in the described hoop portion of one of them described half hoop
Little hoop portion with described 3rd vertical portion laminating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620553405.2U CN205822907U (en) | 2016-06-08 | 2016-06-08 | Cross-arm and power transmission rod |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620553405.2U CN205822907U (en) | 2016-06-08 | 2016-06-08 | Cross-arm and power transmission rod |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205822907U true CN205822907U (en) | 2016-12-21 |
Family
ID=57568825
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620553405.2U Active CN205822907U (en) | 2016-06-08 | 2016-06-08 | Cross-arm and power transmission rod |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205822907U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105952242A (en) * | 2016-06-08 | 2016-09-21 | 江苏神马电力股份有限公司 | Cross arm and power transmission pole |
-
2016
- 2016-06-08 CN CN201620553405.2U patent/CN205822907U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105952242A (en) * | 2016-06-08 | 2016-09-21 | 江苏神马电力股份有限公司 | Cross arm and power transmission pole |
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