CN105655951A - Armor clamp, insulator, composite cross arm with insulator and power transmission tower - Google Patents
Armor clamp, insulator, composite cross arm with insulator and power transmission tower Download PDFInfo
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- CN105655951A CN105655951A CN201610192495.1A CN201610192495A CN105655951A CN 105655951 A CN105655951 A CN 105655951A CN 201610192495 A CN201610192495 A CN 201610192495A CN 105655951 A CN105655951 A CN 105655951A
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- gold utensil
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G7/00—Overhead installations of electric lines or cables
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Abstract
The invention discloses an armor clamp. The armor clamp connected to the end of an insulator comprises a head, a fixed part and a rotary part, wherein the fixed part is fixedly connected with the end of the insulator, the head is used for being connected with external equipment, the head is rotatably connected with the fixed part through the rotary part, and the head can rotate 360 degrees around the axis of the insulator. The armor clamp has the advantages that the armor clamp has no direction limitation, the head of the armor clamp can rotate optionally according to the angle requirements of the connecting part of the external equipment during the mounting process of the insulator, follow-up coordination during connection can be achieved, smooth mounting is guaranteed, stress concentration of the armor clamp can be avoided effectively, armor clamp fatigue and stress damage degree can be lowered, and the service life of the armor clamp is prolonged. The invention further discloses an insulator, a composite cross arm with the insulator, and a power transmission tower.
Description
Technical field
The present invention relates to a kind of transmission of electricity insulator arrangement, specifically a kind of gold utensil and insulator and compound cross-arm thereof and power transmission tower.
Background technology
Power transmission tower is supporting construction important in transmission line of electricity, and the design of its structure and material directly affect the construction speed of transmission line of electricity, economy, reliability and installation, maintenance, maintenance etc. Compound cross-arm is as supporting the structure that transmission line of electricity runs, due to self insulating properties, comparing traditional steel tower, eliminate suspension insulator, shaft tower wind-engaging loading effect reduces, height is exhaled to significantly reduce, reducing width of corridor so that whole tower weight saving, basic role power also reduces accordingly, improve security performance, there is the advantages such as corrosion-resistant, environmental suitability is strong, non-maintaining, designability is good simultaneously. Therefore the application in power transmission tower of the compound cross-arm gets more and more.
Oblique pull insulator in compound cross-arm is as the main tensional element of compound cross-arm, it is connected with the tower body connector being arranged on tower body after coordinating with oblique pull insulator end gold utensil typically via transition gold utensil, transition gold utensil is fixed by securing member and tower body connector, thus being connected on tower body by oblique pull insulator. But in practical operation; owing to insulator end gold utensil has directivity; greatly limit it to be connected with the combination of transition gold utensil; often produce a series of installation question because coordinating inharmonious with the size of transition gold utensil, angle etc.; cause the pre-stressed joint that oblique pull insulator cannot match with tower body generation; and plastic indentation easily occurs in part gold utensil junction, metallic profiles can distort the Electric Field Distribution of high-pressure side.
Summary of the invention
For the deficiencies in the prior art, an object of the present invention is to provide a kind of gold utensil, and this gold utensil can rotate without dead angle around 360 �� of insulator axis, and directionless restriction can combine connection easily when insulator is installed.
For achieving the above object, the technology used in the present invention means are as follows: a kind of gold utensil, it is connected to insulator end, this gold utensil includes head, fixed part and rotation section, this fixed part is fixing with above-mentioned insulator end to be connected, above-mentioned head is for being connected with external equipment, and this head is rotatably connected by above-mentioned rotation section and fixation portions, and this head can around 360 �� of the axis rotation of above-mentioned insulator.
Above-mentioned gold utensil, owing to being provided with head, fixed part and rotation section, the head making this gold utensil can rotate without dead angle around 360 �� of the axis of above-mentioned insulator, directionless restriction, in insulator installation process, the head of gold utensil can arbitrarily rotate to coordinate the angle demand of external equipment connecting portion around insulator axis, it is not necessary to adjusts the connection angle between gold utensil and external equipment by transition gold utensil, it is thus possible to coordinate flexibly when connecting, it is ensured that install smoothly. And owing to this gold utensil is the structure that is rotatably connected, ensure that under the impact of the external force such as wind pendular oscillation wave servo-actuated, namely when insulator is subject to External Force Acting and waves, this gold utensil can be connected with rotation section by head and wave therewith, thus being prevented effectively from gold utensil to produce stress concentration, reduce gold utensil fatigue and stress damage, effectively increase the service life.
Preferably, fixation portions includes fixing the columnar part being connected with above-mentioned insulator end and being positioned at this columnar part connecting portion away from described insulator one end, and above-mentioned rotation section is arranged to the rotation chamber of this connecting portion accommodating. Arranging columnar part makes gold utensil convenient with the connection of insulator and stable, and the mechanical strength of enforced insulator arranges rotation chamber and can conveniently realize the head rotation around insulator axis.
Preferably, above-mentioned rotation section ringwise, it is arranged and is available for the T-shaped through hole that fixation portions is inserted, and in this T-shaped through hole, the cavity of accommodating above-mentioned connecting portion forms above-mentioned rotation chamber. Fixed part directly inserts when so installing T-shaped through hole, and rotation section is easy to connect with fixed part, simple to operate.
Preferably, above-mentioned rotation section includes two half hoops cooperated, and this half hoop inwall arranges groove, and the groove in two above-mentioned half hoops complements each other to form above-mentioned rotation chamber. Directly two half hoops are fixedly connected during installation, rotation section is easy to connect with fixed part, simple to operate, and install consequence by pulling force be the groove inner wall around insulator axis direction, so can effectively strengthen the gold utensil tensile strength along insulator axis direction, it is ensured that the service life of gold utensil.
Preferably, above-mentioned half hoop both sides arrange outward extending hoop ear. So make two half hoops position when coordinating more convenient accurately.
Preferably, two above-mentioned half hoops are connected by securing member, and above-mentioned hoop ear arranges the through hole for securing member traverse. The fixing connection so making two half hoops is more convenient, and attachment structure is detachable, it is simple to change parts and simple to operate.
Preferably, above-mentioned connecting portion is bulb, and above-mentioned rotation section includes two half ball-and-sockets cooperated, and two and half ball-and-sockets complement each other to form above-mentioned rotation chamber. So can effectively reduce the abrasion between connecting portion and rotation section, and rotation section Curvature varying transition is uniform, it is to avoid curvature mutation produces corona, is effectively improved the uniformity of electric field near gold utensil.
Preferably, above-mentioned half ball-and-socket is near the above-mentioned insulator side opening part radius radius more than above-mentioned columnar part. Two such half ball-and-socket waves bore near insulator side with certain after coordinating, make the bulb can not only around the rotation of 360 �� of insulator axis, certain rotation space can also be radially had at insulator, it is thus possible to prevent gold utensil from causing stress fatigue and concentration because of load such as wind shake further, reduce stress damage, be effectively improved the safe operating life of gold utensil.
Preferably, above-mentioned half ball-and-socket both sides on the outer wall of above-mentioned insulator side are respectively provided with outward extending fixing auricle. So make two and half ball-and-sockets coordinate time position more convenient accurately.
Preferably, above-mentioned two half ball-and-socket is connected by securing member, and above-mentioned fixing auricle arranges the through hole for securing member traverse.The fixing connection so making two and half ball-and-sockets is more convenient, and attachment structure is detachable, it is simple to change parts and simple to operate.
Preferably, above-mentioned head has two attachment lugs being oppositely arranged, and arranges insertion chamber, this attachment lug arranges perforation between two attachment lugs. It is thus inserted into the connector insertion connection that chamber is available on external equipment so that gold utensil can directly be connected with external equipment, easier for installation.
Preferably, the outer rim of above-mentioned attachment lug is circular arc. So can avoid wedge angle scratch miscellaneous part and operator are installed, and not easily producing to interfere with miscellaneous part, it is simple to installing, reduce because gold utensil curvature mutation produces the risk of corona simultaneously, effectively improve the Electric Field Distribution around gold utensil.
Preferably, above-mentioned two attachment lugs be arranged in parallel. So it is easy to the friction manufacturing and reducing between external equipment connector, reduces abrasion.
For the deficiencies in the prior art, the two of the purpose of the present invention are to provide a kind of insulator, and this insulator includes insulator and is connected to the gold utensil of described insulator end, and this gold utensil is above-mentioned gold utensil.
Above-mentioned insulator is owing to using above-mentioned gold utensil, make insulator when mounted, arbitrarily can be rotated according to the angle demand of external equipment connecting portion by gold utensil head, it is thus possible to connect time matching coordinative, ensure to install smoothly so that insulator can combine easily with external equipment and be connected, and gold utensil generation stress concentration can be prevented effectively from, reduce gold utensil fatigue and stress damage, effectively increase the service life.
The three of the purpose of the present invention are to provide a kind of compound cross-arm, and this compound cross-arm includes support insulator and one end and fixes, with described support insulator end, the oblique pull insulator being connected, and this oblique pull insulator is above-mentioned insulator.
Above-mentioned compound cross-arm is owing to adopting above-mentioned insulator so that when installing compound cross-arm, and oblique pull insulator can coordinate flexibly when connecting, ensure to install smoothly, and gold utensil can be prevented effectively from and produce stress concentration, reduce gold utensil fatigue and stress damage, effectively increase the service life.
The four of the purpose of the present invention are to provide a kind of power transmission tower, this power transmission tower includes tower body and the compound cross-arm being connected on this tower body by bindiny mechanism, this bindiny mechanism includes the tower body connector that is connected with above-mentioned tower body and above-mentioned compound cross-arm is fastened to the securing member on tower body connector, and this compound cross-arm is above-mentioned compound cross-arm.
Above-mentioned power transmission tower, owing to have employed above-mentioned compound cross-arm so that compound cross-arm is easy for installation, and can be prevented effectively from gold utensil generation stress concentration, reduce gold utensil fatigue and stress damage, effectively the service life of prolongation power transmission tower.
Accompanying drawing explanation
Fig. 1 is the sectional perspective schematic diagram of the power transmission tower 150 of the embodiment of the present invention one;
Fig. 2 is the sectional perspective schematic diagram of the compound cross-arm 140 of the embodiment of the present invention one;
Fig. 3 is the partial schematic diagram of the insulator 102 of the embodiment of the present invention one;
Fig. 4 is the partial cutaway schematic of the insulator 102 of the embodiment of the present invention one;
Fig. 5 be the embodiment of the present invention one gold utensil 101 in the schematic diagram of head 110;
Fig. 6 be the embodiment of the present invention one gold utensil 101 in the schematic diagram of rotation section 130;
Fig. 7 be the embodiment of the present invention one gold utensil 101 in the schematic diagram of fixed part 120;
Fig. 8 is the sectional perspective schematic diagram of the power transmission tower 250 of the embodiment of the present invention two;
Fig. 9 is the partial schematic diagram of the insulator 202 of the embodiment of the present invention two;
Figure 10 is the partial cutaway schematic of the insulator 202 of the embodiment of the present invention two;
Figure 11 is the schematic diagram of the rotation section 230 of the embodiment of the present invention two;
Figure 12 is the another schematic diagram of the rotation section 230 of the embodiment of the present invention two;
Figure 13 is the schematic diagram of the head 210 of the embodiment of the present invention two;
Figure 14 is the attachment lug 211 on the head 210 of the embodiment of the present invention two and the integrated schematic perspective view in half hoop portion 231;
Figure 15 is the sectional perspective schematic diagram of the power transmission tower 350 of the embodiment of the present invention three;
Figure 16 is the sectional perspective schematic diagram of the compound cross-arm 340 of the embodiment of the present invention three;
Figure 17 is the attachment lug 311 on the head 310 of the embodiment of the present invention three and the half integrated schematic diagram of ball-and-socket 331;
Figure 18 is the attachment lug 311 on the head 310 of the embodiment of the present invention three and the integrated another schematic diagram of half ball-and-socket 331;
Figure 19 is the partial schematic diagram of the insulator 302 of the embodiment of the present invention three;
Figure 20 is the partial cutaway schematic of the insulator 302 of the embodiment of the present invention three;
Figure 21 is the sectional perspective schematic diagram of the power transmission tower 450 of the embodiment of the present invention four.
Detailed description of the invention
As requested, the specific embodiment of the present invention will be disclosed here. It is to be understood, however, that embodiments disclosed herein is only the exemplary of the present invention, it can be presented as various forms. Therefore, here the detail disclosed is not to be considered as limiting, and be merely possible to claim basis and as instruct those skilled in the art in reality any appropriate in the way of differently apply the representational basis of the present invention, including adopting various features described herein and combining and be likely not to have the feature clearly disclosed here.
Embodiment one:
As depicted in figs. 1 and 2, the power transmission tower 150 of first embodiment of the invention includes tower body 151 and the compound cross-arm 140 (only illustrating the part that on compound cross-arm 140, oblique pull insulator 102 is connected with tower body 151 in Fig. 1) being connected on tower body 151 by bindiny mechanism. Compound cross-arm 140 includes oblique pull insulator 102 and support insulator 141, and one end of oblique pull insulator 102 is connected by securing member 142 and support insulator 141 end are fixing.
Referring to Fig. 3 and Fig. 4, the insulator 102 in the present embodiment includes insulator 103 and is connected to the gold utensil 101 of insulator 103 end. Specifically, insulator 103 includes plug 104 and is coated on the full skirt 105 outside plug 104. Plug 104 adopts epoxy resin impregnated glass fiber pultrusion to form, and its cross section is rounded. Full skirt 105 adopts high-temperature silicon disulfide rubber integral injection molding to be coated on outside plug 104. Certainly, the present invention is not limited to this, and plug 104 can also adopt compression molding, other modes such as Wrapping formed, it is also possible to making with other materials such as vinyl ester resin impregnated glass fibers, its cross section can also be other shapes such as square or polygon. Full skirt 105 can also be sleeved on plug 104 after first molding again, it would however also be possible to employ other insulant such as room temperature vulcanized silicone rubber or glass are made. Or insulator 103 can also only set plug 104 according to the actual requirements.
Referring to Fig. 5 to Fig. 7 in conjunction with Fig. 3 and Fig. 4, in the present embodiment, gold utensil 101 is connected to insulator 102 end, gold utensil 101 includes head 110, fixed part 120 and rotation section 130, fixed part 120 is fixing with insulator 102 end to be connected, head 110 is for being connected with external equipment, and head 110 is rotatably connected by rotation section 130 and fixed part 120, and head 110 can around 360 �� of the axis rotation of insulator 102.
Gold utensil 101 in the present embodiment is owing to being provided with head 110, fixed part 120 and rotation section 130 so that head 110 can rotate without dead angle around 360 �� of the axis of insulator 102, directionless restriction. In insulator 102 installation process, the head 110 of gold utensil 101 can arbitrarily rotate to coordinate the angle demand of external equipment connecting portion around the axis of insulator 102 such that it is able to the matching coordinative when connecting, it is ensured that install smoothly. And owing to gold utensil 101 is the structure that is rotatably connected, ensure that under the impact of the external force such as wind pendular oscillation and wave servo-actuated, produce stress concentrate thus being prevented effectively from gold utensil 101, reduce the fatigue of gold utensil 101 and stress damage, effectively increase the service life.
In conjunction with Fig. 4 and Fig. 7, in the present embodiment, gold utensil 101 adopts the metal materials such as steel to make. Fixed part 120 includes fixing the columnar part 121 being connected with insulator 102 end and being positioned at the columnar part 121 connecting portion 122 away from insulator 102 one end. Specifically, columnar part 121 is cylindrical, and it offers connecting hole 123 and is connected for fixing with insulator 102 near one end of insulator 102, and connecting hole 123 cross sectional shape is consistent with plug 104 cross sectional shape. In the present embodiment, connecting hole 123 cross section is circular, and its internal diameter is suitable with plug 104 diameter, and plug 104 can be inserted in connecting hole 123 by crimping or the mode such as splicing is fixed. The peripheral circumference of connecting hole 123 also sets up projection 124, during injection moulding, the root of full skirt 105 is coated in projection 124, the root of full skirt 105 is played snap effect by projection 124 such that it is able to effectively increases the adhesion of gold utensil 101 and full skirt 105, is further ensured that connection reliability. Connecting portion 122 is cylindrical, and its diameter, more than the diameter of columnar part 121, is so easy to be connected with rotation section 130.
Referring to Fig. 4 and Fig. 6, in the present embodiment, rotation section 130, in annular, its axis direction is arranged and is available for the T-shaped through hole 131 that fixed part 120 inserts. T-shaped through hole 131 includes the circular port 132 that is relatively large in diameter and the less circular port 133 of diameter. Hole 132 forms rotation chamber and is used for housing connecting portion 122, and hole 133 is passed for columnar part 121. The diameter in hole 132 is slightly larger than the diameter of connecting portion 122, the diameter in hole 133 is slightly larger than the diameter of columnar part 121, after so making fixed part 120 insert rotation section 130, rotation section 130 can be freely rotatable around 360 �� of the axis of fixed part 120, and frictional influence rotating effect will not occur.
Certainly, the present invention is not limited to this, columnar part 121 also can be prism-shaped with any one in connecting portion 122, or any one in hole 132 and hole 133 can also be tri-angle-holed, square opening, polygonal hole etc., as long as can make the rotation section 130 can be freely rotatable around 360 �� of the axis of fixed part 120.
Referring to Fig. 3 to Fig. 5, in the present embodiment, head 110 has two attachment lugs being oppositely arranged 111, arranges insertion chamber 112, attachment lug 111 arranges circular perforations 113 between two attachment lugs 111. Insert chamber 112 for inserting for the connector on external equipment, then with securing member through perforation 113 fastening, thus can be connected fixing to head 110 and external equipment, insulator 102 can be connected with external equipment. Head 110 also includes seat board portion 114, and seat board portion 114 is cylindrical. Two attachment lugs 111 are oppositely arranged on side, seat board portion 114, and seat board portion 114 opposite side is for being connected away from the end face of insulator 103 side is fixing with on rotation section 130, so that head 110 and fixed part 120 are rotatably connected.Owing to rotation section 130 can be freely rotatable around 360 �� of the axis of fixed part 120, thus head 110 also can be freely rotatable around 360 �� of the axis of fixed part 120.
In the present embodiment, the outer rim of attachment lug 111 is circular arc, so can avoid wedge angle scratch miscellaneous part and install operator, and not easily producing to interfere with miscellaneous part, it is simple to installing, avoiding gold utensil curvature mutation simultaneously and produce the risk of corona. Two attachment lugs 111 be arranged in parallel, are so easy to the friction manufacturing and reducing between external equipment connector, reduce abrasion. The diameter in seat board portion 114 is consistent with the external diameter of rotation section 130, side, seat board portion 114 it is welded on again after two first molding of attachment lug 111, after fixed part 120 inserts rotation section 130, then seat board portion 114 opposite side is welded on rotation section 130 thus connecting into gold utensil 101. Certainly, the present invention is not limited to this, and the diameter in seat board portion 114 is also smaller than or more than the external diameter of rotation section 130, as long as ensure that seat board portion 114 is connected with the fixing of rotation section 130. Two attachment lugs 111 can also be one-body molded with seat board portion 114. Perforation 113 can also be other shapes such as polygon. Head 110 can also adopt other shapes such as traditional annular gold utensil, Y type gold utensil, as long as can be connected with external equipment.
Referring to Fig. 3 and Fig. 4, insulator 102 end is fixedly connected with gold utensil 101, and the head 110 of gold utensil 101 is rotatable around 360 �� of the axis of insulator 102. Specifically, insulator 102 two ends can all adopt gold utensil 101, or one end adopts gold utensil 101, and the other end adopts traditional annular gold utensil, Y type gold utensil etc. Insulator 102 is when mounted, the head 110 of gold utensil 101 can arbitrarily rotate to coordinate the angle demand of external equipment connecting portion around the axis of insulator 102, it is thus possible to connect time matching coordinative, ensure to install smoothly, insulator 102 can be combined easily with external equipment be connected, and gold utensil 101 can be prevented effectively from and produce stress concentration, reduce fatigue and the stress damage of gold utensil 101, effectively increase the service life.
Referring to Fig. 2 in conjunction with Fig. 5, specifically, support insulator 141 end on cross-arm 140 arranges connecting plate 143, connecting plate 143 arranges connecting hole (not shown), during installation, being inserted by connecting plate 143 in the insertion chamber 112 on head 110, then securing member 142 through the connecting hole bored a hole on 113 and connecting plate 143 on attachment lug 111 and fastens, thus by oblique pull insulator 102 and the fixing connection of support insulator 141. In the present embodiment, securing member 142 is that screw bolt and nut cooperation forms.
Compound cross-arm 140 is owing to adopting above-mentioned insulator 102 so that install compound cross-arm 140 time, oblique pull insulator 102 can connect time matching coordinative, ensure to install smoothly, and gold utensil can be prevented effectively from and produce stress concentration, reduce gold utensil fatigue and stress damage, effectively increase the service life.
Referring to Fig. 1 in conjunction with Fig. 5, in power transmission tower 150, bindiny mechanism includes the tower body connector 152 being connected with tower body 151 and the securing member 153 being fastened on tower body connector 152 by compound cross-arm 140. Specifically, tower body connector 152 arranges connecting hole (not shown), during installation, tower body connector 152 is inserted in the insertion chamber 112 on head 110, then securing member 153 through the connecting hole bored a hole on 113 and tower body connector 152 on attachment lug 111 and fastens, thus being fixed on tower body 151 by the other end that the oblique pull insulator 102 in compound cross-arm 140 is not connected with support insulator (not shown) end.In the present embodiment, securing member 152 is that screw bolt and nut cooperation forms. The other end (not shown) that compound cross-arm 140 B-C post insulator is not connected with oblique pull insulator 102 is fixed on tower body 151 also by securing member simultaneously, namely completes the installation of compound cross-arm 140.
Power transmission tower 150 is owing to have employed above-mentioned compound cross-arm 140 so that compound cross-arm 140 is easy for installation, and can be prevented effectively from gold utensil generation stress concentration, reduces gold utensil fatigue and stress damage, effectively the service life of prolongation power transmission tower 150.
Embodiment two:
Referring to Fig. 8, in the power transmission tower 250 of second embodiment of the invention, the oblique pull insulator 202 on compound cross-arm is connected on tower body 251, and its concrete attachment structure is essentially identical with embodiment one, does not repeat them here.
Referring to Fig. 9-Figure 13, with first embodiment the difference is that, in the present embodiment, the rotation section 230 in gold utensil 201 on insulator 202 includes two half hoops cooperated 231, arranging groove 232 on half hoop 231 inwall, the groove 232 in two half hoops 231 complements each other to form rotation chamber.
Specifically, referring to Figure 10 and Figure 13, in the present embodiment, head 210 also includes turning neck 215, and two attachment lugs 211 are fixed in seat board portion 214 by turning neck 215, and the diameter in seat board portion 214 is consistent with the diameter of connecting portion 222. Turning neck 215 cylindrical, its diameter is slightly less than on fixed part 220 diameter of columnar part 221.
Referring to Figure 10 to Figure 12, groove 232 is stepped, is formed radially semi-cylindrical groove along half hoop 231, including the bigger groove of mid diameter 235 be communicated in the less groove 236 of the diameter of groove 235 both sides and groove 237. The diameter of groove 235 is slightly larger than the diameter of connecting portion 222, and the diameter of groove 236 and groove 237, slightly larger than the diameter of columnar part 221, so facilitates the rotation of rotation section 230, head 210 after coordinating installation, it is to avoid abrasion. After two half hoops 231 coordinate, groove 235 thereon and groove 236, groove 237 also complement each other to form cylindrical grooves respectively. During installation, seat board portion 214 coordinates relative drawing close with connecting portion 222 end face, then two half hoop 231 engagement sleeves are connected on periphery, namely the groove 235 in two half hoops 231 cooperates for housing seat board portion 214 and connecting portion 222, two grooves 236 cooperate for passing for columnar part 221, two grooves 237 cooperate and turn neck 215 for accommodating, finally connect fixing for two half hoops 231. After installation, head 210 can around 360 �� of the axis rotation of insulator 202.
Half hoop 231 is overall in semi-cylindrical, and half hoop 231 diametrically both sides are arranged from outward extending two the hoop ears 233 of end face. Hoop ear 233 is square tabular, and outer rim be arc-shaped, binds round and arranges manhole 234 on ear 233. Two half hoops 231 are fastened through through hole 234 by securing member (not shown) after coordinating, thus realizing being rotatably connected of head 210 and fixed part 220. So making gold utensil 201 for demountable structure, fixing connection is more convenient, it is simple to change parts and simple to operate, and when two half hoops 231 coordinate, accurate positioning is convenient. Certainly, the present invention is not limited to this, and through hole 234 can also be other shapes such as polygon. Hoop ear 233 also can be not provided with through hole 234, adopt welding manner two half hoops 231 to be fixed. Or half hoop 231 also can be not provided with hoop ear 233, and the mating surface along two half hoops 231 welds. Or referring to Figure 14, head 210 in the present embodiment can only include two attachment lugs 211, two attachment lugs 211 are separately positioned in two half hoops 231, and two half hoops 231 coordinate latter two attachment lug 211 be parallel to each other and be positioned at the same side of half hoop 231.Attachment lug 211 can be one-body molded with half hoop 231, it is also possible to is fixed in half hoop 231 after separately formed again. Meanwhile, half hoop 231 without arranging groove 237, and the groove 235 in two half hoops 231 cooperate after only need accommodating connecting portion 222. So can save material, alleviate weight, and it is peripheral and fixing only to need when installing that two half hoops 231 are socketed in connecting portion 222, operates more simple and convenient.
Embodiment three:
Referring to Figure 15 and Figure 16, in the power transmission tower 350 of third embodiment of the invention, the oblique pull insulator 302 on compound cross-arm 340 is connected on tower body 351, and its concrete attachment structure is essentially identical with embodiment two, does not repeat them here.
Referring to Figure 17 to Figure 20, with the second embodiment the difference is that, in the gold utensil 301 of the 3rd embodiment, connecting portion 322 is bulb, and rotation section 330 includes two half ball-and-sockets 331 cooperated. Arranging hemispherical depression 332 and groove 333 on half ball-and-socket 331 inwall, groove 333 connects depression 332 and the external world and at half ball-and-socket 331 near insulator 303 side formation opening. The diameter of depression 332 is consistent with the diameter of connecting portion 322, after two and half ball-and-sockets 331 coordinate, depression 332 thereon complements each other to form spherical rotation chamber for housing connecting portion 322, and groove 333 thereon complements each other to form cylindrical grooves and passes for columnar part 321. The radius of groove 333 is more than the radius of columnar part 321, after two such half ball-and-socket 331 coordinates, bore is waved with certain near insulator 303 side, make the head 310 can not only around 360 �� of the axis rotation of insulator 303, certain rotation space can also be radially had at insulator 303, it is thus possible to prevent gold utensil from causing stress fatigue and concentration because of load such as wind shake further, reduce stress damage, be effectively improved the safe operating life of gold utensil.
In the present embodiment, half ball-and-socket 331 both sides on the outer wall of insulator 303 side are respectively provided with from outward extending two the fixing auricles 334 of end face. Fixing auricle 334, in circular arc tabular, it arranges manhole 335. Two and half ball-and-sockets 331 are socketed in connecting portion 322 after coordinating peripheral, then pass through securing member (not shown) and fasten through through hole 335, thus realizing being rotatably connected of head 310 and fixed part 320.
Referring to Figure 17 and Figure 18, in the present embodiment, head 310 only includes two attachment lugs 311, the side that two attachment lugs 311 are separately positioned on two and half ball-and-sockets 331 away from insulator 303. Two and half ball-and-sockets 331 coordinate latter two attachment lug 311 to be parallel to each other and are positioned at the same side of half ball-and-socket 331, and attachment lug 311 and half ball-and-socket 331 are one-body molded.
In conjunction with Figure 19 and Figure 20, in the present embodiment, insulator 302 includes insulator 303 and is connected to the gold utensil 301 of insulator 303 end, and the head 310 of gold utensil 301 can around 360 �� of the axis rotation of insulator 302. Its rotary principle is essentially identical with embodiment two, does not repeat them here.
Embodiment four:
Participating in Figure 21, in fourth embodiment of the invention, power transmission tower 450 includes the compound cross-arm 440 being fixed on tower body 451 by bindiny mechanism. Compound cross-arm 440 includes support insulator 441 and one end oblique pull insulator 402 of being connected fixing with support insulator 441, and the other end of support insulator 441 and the other end of oblique pull insulator 402 are separately fixed on tower body 451. The concrete attachment structure of compound cross-arm 440 is essentially identical with embodiment one, does not repeat them here.
Oblique pull insulator 402 both ends connect gold utensil 403 and gold utensil 404 respectively, and gold utensil 403 is identical with gold utensil 201 structure in embodiment two, identical with gold utensil 301 structure in embodiment three in gold utensil 403, do not repeat them here.Certainly, the present invention is not limited to this, and the gold utensil at oblique pull insulator 402 both ends can be respectively adopted in embodiment one, two, three gold utensil of different structure, it is also possible to both ends all adopt the gold utensil of wherein same structure.
The technology contents of the present invention and technical characterstic have revealed that as above; however it will be appreciated that; under the creative ideas of the present invention; said structure and material can be made various changes and improve by those skilled in the art; combination including the technical characteristic individually disclosing here or claiming, it will be apparent that include other combination of these features. These deformation and/or combination each fall within technical field involved in the present invention, and fall into the protection domain of the claims in the present invention.
Claims (16)
1. a gold utensil, it is connected to insulator end, it is characterized in that: described gold utensil includes head, fixed part and rotation section, described fixed part is fixing with described insulator end to be connected, described head is for being connected with external equipment, described head is rotatably connected by described rotation section and described fixed part, and described head can around 360 �� of the axis rotation of described insulator.
2. gold utensil as claimed in claim 1, it is characterized in that: described fixed part includes fixing the columnar part being connected with described insulator end and being positioned at the described columnar part connecting portion away from described insulator one end, described rotation section is arranged to the rotation chamber of accommodating described connecting portion.
3. gold utensil as claimed in claim 2, it is characterised in that: described rotation section ringwise, it is arranged and is available for the T-shaped through hole that described fixed part inserts, and in described T-shaped through hole, the cavity of accommodating described connecting portion forms described rotation chamber.
4. gold utensil as claimed in claim 2, it is characterised in that: described rotation section includes two half hoops cooperated, and described half hoop inwall arranges groove, and the described groove in two described half hoops complements each other to form described rotation chamber.
5. gold utensil as claimed in claim 4, it is characterised in that: described half hoop both sides arrange outward extending hoop ear.
6. gold utensil as claimed in claim 5, it is characterised in that: two described half hoops are connected by securing member, and described hoop ear arranges the through hole for described securing member traverse.
7. gold utensil as claimed in claim 2, it is characterised in that: described connecting portion is bulb, and described rotation section includes two half ball-and-sockets cooperated, and two described half ball-and-sockets complement each other to form described rotation chamber.
8. gold utensil as claimed in claim 7, it is characterised in that: described half ball-and-socket is near the described insulator side opening part radius radius more than described columnar part.
9. gold utensil as claimed in claim 7, it is characterised in that: described half ball-and-socket both sides on the outer wall of described insulator side are respectively provided with outward extending fixing auricle.
10. gold utensil as claimed in claim 9, it is characterised in that: said two half ball-and-socket is connected by securing member, and described fixing auricle arranges the through hole for described securing member traverse.
11. gold utensil as claimed in claim 1, it is characterised in that: described head has two attachment lugs being oppositely arranged, and arranges insertion chamber, described attachment lug arranges perforation between described two attachment lugs.
12. gold utensil as claimed in claim 11, it is characterised in that: the outer rim of described attachment lug is circular arc.
13. gold utensil as claimed in claim 12, it is characterised in that: described in two, attachment lug be arranged in parallel.
14. an insulator, including insulator and the gold utensil being connected to described insulator end, it is characterised in that: described gold utensil is the gold utensil described in any one of claim 1-13.
15. a compound cross-arm, fix, with described support insulator end, the oblique pull insulator being connected including support insulator and one end, it is characterised in that: described oblique pull insulator is the insulator described in claim 14.
16. a power transmission tower, including tower body and the compound cross-arm that is connected to by bindiny mechanism on described tower body, described bindiny mechanism includes the tower body connector that is connected with described tower body and described compound cross-arm is fastened to the securing member on tower body connector, it is characterised in that: described compound cross-arm is the compound cross-arm described in claim 15.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610192495.1A CN105655951B (en) | 2016-03-30 | 2016-03-30 | Gold utensil and insulator and its compound cross-arm and power transmission tower |
| PCT/CN2017/078071 WO2017167133A1 (en) | 2016-03-30 | 2017-03-24 | Fitting, insulator and composite cross arm comprising same, and transmission tower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610192495.1A CN105655951B (en) | 2016-03-30 | 2016-03-30 | Gold utensil and insulator and its compound cross-arm and power transmission tower |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105655951A true CN105655951A (en) | 2016-06-08 |
| CN105655951B CN105655951B (en) | 2018-08-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610192495.1A Active CN105655951B (en) | 2016-03-30 | 2016-03-30 | Gold utensil and insulator and its compound cross-arm and power transmission tower |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN105655951B (en) |
| WO (1) | WO2017167133A1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017167133A1 (en) * | 2016-03-30 | 2017-10-05 | 江苏神马电力股份有限公司 | Fitting, insulator and composite cross arm comprising same, and transmission tower |
| CN108631250A (en) * | 2018-04-28 | 2018-10-09 | 广东电网有限责任公司 | A kind of porcelain pole arm fixed structure |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108374593B (en) * | 2018-02-13 | 2023-09-12 | 浙江华云电力工程设计咨询有限公司 | Steel composite combined stress type cross arm pole tower structure |
| CN109881963A (en) * | 2019-03-04 | 2019-06-14 | 江苏神马电力股份有限公司 | A kind of cross-arm fitting, cross-arm, power transmission rod |
| CN113612183A (en) * | 2021-09-09 | 2021-11-05 | 广东电网有限责任公司 | Porcelain cross arm |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105655951B (en) * | 2016-03-30 | 2018-08-21 | 江苏神马电力股份有限公司 | Gold utensil and insulator and its compound cross-arm and power transmission tower |
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| WO2017167133A1 (en) * | 2016-03-30 | 2017-10-05 | 江苏神马电力股份有限公司 | Fitting, insulator and composite cross arm comprising same, and transmission tower |
| CN108631250A (en) * | 2018-04-28 | 2018-10-09 | 广东电网有限责任公司 | A kind of porcelain pole arm fixed structure |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105655951B (en) | 2018-08-21 |
| WO2017167133A1 (en) | 2017-10-05 |
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