CN108258641B - Four-split spacer for ultra-high voltage transmission line - Google Patents
Four-split spacer for ultra-high voltage transmission line Download PDFInfo
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- CN108258641B CN108258641B CN201810134681.9A CN201810134681A CN108258641B CN 108258641 B CN108258641 B CN 108258641B CN 201810134681 A CN201810134681 A CN 201810134681A CN 108258641 B CN108258641 B CN 108258641B
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- 125000006850 spacer group Chemical group 0.000 title claims abstract description 18
- 230000005540 biological transmission Effects 0.000 title claims abstract description 9
- 230000007246 mechanism Effects 0.000 claims abstract description 23
- 230000002093 peripheral effect Effects 0.000 claims abstract description 7
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 claims description 18
- CTQNGGLPUBDAKN-UHFFFAOYSA-N O-Xylene Chemical compound CC1=CC=CC=C1C CTQNGGLPUBDAKN-UHFFFAOYSA-N 0.000 claims description 12
- 238000000576 coating method Methods 0.000 claims description 9
- 238000009434 installation Methods 0.000 claims description 8
- 239000003795 chemical substances by application Substances 0.000 claims description 7
- JQJCSZOEVBFDKO-UHFFFAOYSA-N lead zinc Chemical compound [Zn].[Pb] JQJCSZOEVBFDKO-UHFFFAOYSA-N 0.000 claims description 7
- 239000010445 mica Substances 0.000 claims description 7
- 229910052618 mica group Inorganic materials 0.000 claims description 7
- 239000000843 powder Substances 0.000 claims description 7
- 239000004094 surface-active agent Substances 0.000 claims description 7
- XLOMVQKBTHCTTD-UHFFFAOYSA-N zinc oxide Inorganic materials [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 claims description 7
- 239000011787 zinc oxide Substances 0.000 claims description 7
- HXKKHQJGJAFBHI-UHFFFAOYSA-N 1-aminopropan-2-ol Chemical compound CC(O)CN HXKKHQJGJAFBHI-UHFFFAOYSA-N 0.000 claims description 6
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 6
- 238000005452 bending Methods 0.000 claims description 6
- 229940102253 isopropanolamine Drugs 0.000 claims description 6
- 239000011248 coating agent Substances 0.000 claims description 5
- 239000004020 conductor Substances 0.000 claims description 5
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 claims description 3
- 239000002904 solvent Substances 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 3
- 239000008096 xylene Substances 0.000 claims description 2
- 238000010276 construction Methods 0.000 abstract description 3
- 239000003973 paint Substances 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 230000000052 comparative effect Effects 0.000 description 3
- 230000007774 longterm Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Images
Classifications
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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
- H02G7/12—Devices for maintaining distance between parallel conductors, e.g. spacer
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- Clamps And Clips (AREA)
Abstract
The invention discloses a four-split spacer for an ultra-high voltage transmission line, which comprises a central bracket, four supporting branches and four chuck mechanisms, wherein the four supporting branches are arranged on the central bracket; the four supporting branches are respectively arranged on the peripheral edges of the central support and are distributed in a cross shape; the four clamping head mechanisms are respectively arranged at the tail ends of the four supporting branches and are used for forming four cable clamping heads together with the tail ends of the four supporting branches. When the four-split spacer is mounted or dismounted, only one adjusting bolt needs to be rotated to drive the connecting rod mechanism to complete clamping or loosening of the chuck mechanism, the use is convenient and fast, and the mounting and construction efficiency of the spacer can be effectively improved.
Description
The application is a divisional application of a patent application with the application number of 201710000668X, the application date of 2017-01-03 and the name of the invention being a four-split spacer for an ultra-high voltage transmission line.
Technical Field
The invention relates to a spacer for an ultrahigh voltage circuit, in particular to a four-split spacer for an ultrahigh voltage transmission line.
Background
At present, on an extra-high voltage transmission line, more conductors are required to be split frequently. In order to ensure that the distance between the split conductors is fixed to ensure electrical performance, it is necessary to install a spacer at each distance. However, the conventional spacer needs to be installed for each divided conductor when being installed or replaced, which results in low installation efficiency.
Disclosure of Invention
The invention aims to solve the technical problem that the installation efficiency is low because each split conductor needs to be installed when the existing spacer is installed or replaced.
In order to solve the technical problem, the invention provides a four-split spacer for an ultra-high voltage transmission line, which comprises a central bracket, four supporting branches and four chuck mechanisms, wherein the central bracket is arranged on the four supporting branches;
the four supporting branches are respectively arranged on the peripheral edges of the central support and are distributed in a cross shape;
the four chuck mechanisms are respectively arranged at the tail ends of the four supporting branches and are used for forming four cable clamping heads with the tail ends of the four supporting branches.
As a further limiting scheme of the invention, the central bracket comprises a cross-shaped bracket, an adjusting bolt, an adjusting rectangular block, four connecting rods, a fixing nut and four guide rods;
the front side surface of the cross-shaped bracket is provided with a cross-shaped sliding chute;
the adjusting bolt penetrates through and is screwed at the cross-shaped intersection point of the cross-shaped sliding chute;
the adjusting rectangular block and the fixing nut are screwed on the screw rod of the adjusting bolt and are respectively positioned on the front side and the rear side of the cross-shaped bracket;
one ends of the four connecting rods are respectively hinged and installed on the peripheral edges of the adjusting rectangular blocks;
the other ends of the four connecting rods are respectively hinged with one ends of the four guide rods through hinge shafts;
the other ends of the four guide rods penetrate out of the end part of the cross-shaped sliding chute, and the guide rods are parallel to the branches of the cross-shaped sliding chute;
side grooves are arranged on the side surfaces of the four branches of the cross-shaped sliding groove along the direction of the branch grooves;
two ends of the articulated shaft are respectively embedded in the side grooves at two sides and can slide back and forth along the side grooves;
the articulated shaft is provided with a supporting roller which is supported on the bottom of the cross-shaped chute;
the four supporting branches comprise strip-shaped supporting rods, tension springs and tension spring housings;
the strip-shaped supporting rods correspondingly extend and are arranged on the end parts of the cross-shaped bracket;
the left side and the right side of the strip-shaped supporting rod are provided with side sliding grooves along the length direction;
a slope surface is arranged at the front side edge of the end part of the strip-shaped support rod, a semicircular notch is arranged on the front side clamping side surface close to the slope surface, and a rubber pad is arranged in the semicircular notch;
one end of the tension spring housing is fixedly arranged on the left side surface of the bar-shaped support rod, and the length direction of the tension spring housing is vertical to that of the bar-shaped support rod;
one end of the tension spring is fixedly arranged on the left side surface of the strip-shaped support rod, and the tension spring is positioned in the tension spring housing;
the four chuck mechanisms comprise sliding sleeves, strip-shaped clamping plates and pull ropes;
the four sliding sleeves are respectively sleeved on the four strip-shaped supporting rods and can slide back and forth along the strip-shaped supporting rods;
the inner wall of the sliding sleeve is provided with a sliding block embedded in the side sliding groove;
the left side surface and the right side surface of each of the four strip-shaped clamping plates are respectively provided with a strip-shaped mounting plate;
the strip-shaped clamping plates are hinged and arranged on the end parts of the corresponding strip-shaped supporting rods through strip-shaped mounting plates;
a semicircular notch is formed in the clamping side face of the rear side of the strip-shaped clamping plate, and a rubber pad is arranged in the semicircular notch;
the semicircular notches on the strip-shaped clamping plates correspond to the semicircular notches on the strip-shaped supporting rods in position;
a slope surface is arranged at the rear side edge of the end part of the strip-shaped clamping plate and forms a V-shaped socket together with the slope surface at the end part of the strip-shaped supporting rod;
the other end of the tension spring is fixedly arranged on the left side surface of the strip-shaped clamping plate;
the other end of the tension spring housing extends to the left side surface of the strip-shaped clamping plate and is parallel to the left side surface of the strip-shaped clamping plate;
the front side surface of the strip-shaped clamping plate is provided with a wedge, and the slope surface of the wedge is gradually raised from the hinged end of the strip-shaped clamping plate to the clamping end part;
the height of the highest point of the slope surface of the wedge is larger than the width of a gap between the front side surface of the strip-shaped clamping plate and the bending plate surface of the L-shaped folded plate;
an L-shaped folded plate is integrally arranged at the front side of the sliding sleeve;
the bending plate surface of the L-shaped folded plate is parallel to the front side surface of the strip-shaped support rod and extends to the upper part of the slope surface of the wedge;
a triangular rib plate is arranged at the bent part of the L-shaped folded plate;
the slope surface of the wedge is provided with a slope notch corresponding to the triangular rib plate, and the gradient of the slope notch (26) is greater than that of the wedge;
two push-pull rib plates are arranged at the joint of the L-shaped folded plate and the sliding sleeve;
the other end of the guide rod is hinged between the two push-pull rib plates;
one end of the pull rope is fixed on the hinged end of the strip-shaped clamping plate, and the other end of the pull rope is fixed on the side surface of the L-shaped folded plate;
the rear side edge of the hinged end of the strip-shaped clamping plate is provided with an arc-shaped cutting angle, and the circle center of the arc-shaped cutting angle is positioned on the axis line of the hinged part of the strip-shaped mounting plate;
and an arc-shaped connecting rod is arranged between adjacent branches of the cross-shaped bracket.
As a further limiting scheme of the invention, the outer surfaces of the central bracket, the four supporting branches and the four chuck mechanisms are all provided with antirust coatings.
The invention has the beneficial effects that: when the four-split spacing rod is mounted or dismounted, only one adjusting bolt needs to be rotated to drive the connecting rod mechanism to complete clamping or loosening of the chuck mechanism, the use is convenient and quick, and the mounting and construction efficiency of the spacing rod can be effectively improved.
Drawings
FIG. 1 is a schematic view of a quad-split spacer structure according to the present invention;
FIG. 2 is a schematic view of the structure of the center support of the present invention;
FIG. 3 is a first structural diagram of a chuck mechanism according to the present invention;
fig. 4 is a schematic structural diagram of a chuck mechanism according to the present invention.
In the figure, the device comprises a cross-shaped bracket 1, a cross-shaped bracket 2, an adjusting bolt 3, an adjusting rectangular block 4, a connecting rod 5, a fixing nut 6, a cross-shaped sliding groove 7, a guide rod 8, a strip-shaped supporting rod 9, a side sliding groove 10, an arc-shaped connecting rod 11, a supporting roller 12, a hinge shaft 13, a sliding sleeve 14, a strip-shaped clamping plate 15, a semicircular notch 16, a rubber pad 17, a slope surface 18, a tension spring housing 19, a tension spring 20, a wedge 21, an arc-shaped chamfer 22, an L-shaped folded plate 23, a triangular rib plate 24, a pull rope 25, a push-pull rib plate 26, a slope notch 27 and a strip-shaped mounting plate.
Detailed Description
As shown in fig. 1-4, the four-split spacer for an ultra-high voltage transmission line disclosed by the invention comprises a central bracket, four supporting branches and four chuck mechanisms;
the four supporting branches are respectively arranged on the peripheral edges of the central support and are distributed in a cross shape;
the four chuck mechanisms are respectively arranged at the tail ends of the four supporting branches and are used for forming four cable clamping heads with the tail ends of the four supporting branches;
the central bracket comprises a cross bracket 1, an adjusting bolt 2, an adjusting rectangular block 3, four connecting rods 4, a fixing nut 5 and four guide rods 7;
the front side surface of the cross-shaped bracket 1 is provided with a cross-shaped sliding chute 6;
the adjusting bolt 2 penetrates through and is screwed at the cross-shaped intersection point of the cross-shaped sliding chute 6;
the adjusting rectangular block 3 and the fixing nut 5 are screwed on the screw rod of the adjusting bolt 2 and are respectively positioned at the front side and the rear side of the cross-shaped bracket 1; the relative fixing position of the adjusting bolt 2 can be limited by the fixing nut 5, so that the adjusting bolt 2 is prevented from loosening after long-term use, and the adjusting rectangular block 3 is prevented from being cheap; the four connecting rods 4 can be synchronously driven by the left and right matching of the adjusting rectangular blocks 3 and the adjusting bolts 2, so that the synchronous action of the four chuck mechanisms is realized, and the installation efficiency of the spacer is effectively improved;
one ends of the four connecting rods 4 are respectively hinged and installed on the peripheral edges of the adjusting rectangular blocks 3;
the other ends of the four connecting rods 4 are respectively hinged with one ends of the four guide rods 7 through hinge shafts 12; a connecting rod mechanism is formed by the connecting rod 4 and the guide rods 7, so that the forward and backward movement of the rectangular block 3 is adjusted to be converted into the radial telescopic amount of the four guide rods 7, and the spacer is convenient to synchronously disassemble or assemble;
the other ends of the four guide rods 7 penetrate out of the end part of the cross-shaped sliding chute 6, and the guide rods 7 are parallel to the branches of the cross-shaped sliding chute 6;
side grooves are arranged on the side surfaces of the four branches of the cross-shaped sliding groove 16 along the direction of the branch grooves;
two ends of the articulated shaft 12 are respectively embedded in the side grooves at two sides and can slide back and forth along the side grooves; the hinged end part of the guide rod 7 can be supported and limited by the matching of the side groove and the hinged shaft 12, so that the guide rod 7 is prevented from being bent downwards or upwards in the moving process of the adjusting rectangular block 3, and the guide rod 7 is ensured to be freely stretched and retracted along the branch direction all the time;
the articulated shaft 12 is provided with a supporting roller 11, and the supporting roller 11 is supported on the bottom of the cross-shaped chute 6; the support roller 11 can be used for carrying out sliding support on the hinged part of the guide rod 7 and the connecting rod 4, so that the guide rod 7 is prevented from being blocked in the drawing and inserting process, the friction between the hinged shaft 12 and the side groove is reduced, and the guide rod 7 is ensured to be freely stretched and retracted along the branch direction all the time;
the four supporting branches comprise strip-shaped supporting rods 8, tension springs 19 and tension spring housings 18;
the strip-shaped support rods 8 correspondingly extend and are arranged on the end parts of the cross-shaped bracket 1;
the left side and the right side of the strip-shaped support rod 8 are provided with side sliding chutes 9 along the length direction;
a slope surface 17 is arranged at the front side edge of the end part of the strip-shaped support rod 8, a semicircular notch 15 is arranged on the front side clamping side surface close to the slope surface 17, and a rubber pad 16 is arranged in the semicircular notch 15;
one end of the tension spring housing 18 is fixedly arranged on the left side surface of the strip-shaped support rod 8, and the length direction of the tension spring housing 18 is vertical to the length direction of the strip-shaped support rod 8;
one end of the tension spring 19 is fixedly arranged on the left side surface of the bar-shaped support rod 8, and the tension spring 19 is positioned in the tension spring housing 18; the tension spring housing 18 is adopted, so that the tension spring 19 can be effectively protected, and the wire can be blocked after entering the clamping opening formed by the two semicircular notches 15, the wire is prevented from further sliding into a crack between the strip-shaped support rod 8 and the strip-shaped clamp plate 14, the wire is prevented from being clamped and plugged, the wire is ensured not to be damaged, manual intervention is not needed, and the wire directly stays in the clamping opening formed by the two semicircular notches 15 after entering from the V-shaped socket;
the four chuck mechanisms comprise sliding sleeves 13, strip-shaped clamping plates 14 and pull ropes 24;
the four sliding sleeves 13 are respectively sleeved on the four strip-shaped supporting rods 8 and can slide back and forth along the strip-shaped supporting rods 8;
the inner wall of the sliding sleeve 13 is provided with a sliding block embedded in the side sliding groove 9; the sliding sleeve 13 can be ensured to move smoothly by matching the sliding block with the side sliding groove 9, and the problem of deflection is avoided;
the left side and the right side of each of the four strip-shaped clamping plates 14 are provided with a strip-shaped mounting plate 27;
the strip-shaped clamping plate 14 is hinged and arranged on the end part of the corresponding strip-shaped supporting rod 8 through a strip-shaped mounting plate 27;
a semicircular notch 15 is formed in the clamping side face of the rear side of the strip-shaped clamping plate 14, and a rubber pad 16 is arranged in the semicircular notch 15; the clamped wire can be effectively protected by adopting the rubber pad 16, and the abrasion of the semicircular notch 15 on the wire parameter in the long-term use process is prevented;
the semicircular notches 15 on the strip-shaped clamping plates 14 correspond to the semicircular notches 15 on the strip-shaped supporting rods 8 in position; a clamping opening for clamping the wire is formed by two semicircular notches 15;
a slope surface 17 is arranged at the rear side edge of the end part of the strip-shaped clamping plate 14, and forms a V-shaped socket with the slope surface 17 at the end part of the strip-shaped supporting rod 8; the V-shaped socket is adopted to facilitate the installation of the wire, when in use, the V-shaped socket is only required to be aligned to the wire, the strip-shaped clamping plate 14 is pushed by force to tilt upwards under the action of the tension spring 19, the wire can smoothly enter the clamping opening formed by the two semicircular notches 15, and meanwhile, the strip-shaped clamping plate 14 can be quickly closed under the action of the tension spring 19, so that temporary locking and limiting are realized, and the installation is convenient and quick;
the other end of the tension spring 19 is fixedly arranged on the left side surface of the strip-shaped clamping plate 14; the tension spring 19 can be used for temporarily clamping and fixing the lead after the lead enters the clamping opening formed by the two semicircular notches 15, so that a constructor can conveniently install the lead on other branches, and finally, the lead is fixed in a one-time rotating mode through the adjusting bolt 2, and the smooth installation and construction are ensured;
the other end of the tension spring housing 18 extends to the left side surface of the strip-shaped clamping plate 14 and is parallel to the left side surface of the strip-shaped clamping plate 14; even after the bar-shaped clamping plate 14 tilts up, the wire to be clamped can be blocked by utilizing the action of the tension spring housing 18, so that the wire is prevented from sliding into a crack between the bar-shaped support rod 8 and the bar-shaped clamping plate 14, and the wire is prevented from being clamped and plugged;
a wedge 20 is arranged on the front side surface of the strip-shaped clamping plate 14, and the slope surface of the wedge 20 is lifted from the hinged end of the strip-shaped clamping plate 14 to the clamping end; the wedge 20 can be used for extruding the strip-shaped clamping plate 14 under the action of the bending plate surface of the L-shaped folded plate 22, and gradually applying pressure under the pushing action of the guide rod 7 until the wire is completely clamped in the clamping opening formed by the two semicircular notches 15;
the height of the highest point of the slope of the wedge 20 is greater than the width of a gap between the front side surface of the strip-shaped clamping plate 14 and the bending plate surface of the L-shaped folded plate 22;
an L-shaped folded plate 22 is integrally arranged at the front side of the sliding sleeve 1; the L-shaped folded plate 22 has better structural strength by adopting the integrated arrangement;
the bending plate surface of the L-shaped folded plate 22 is parallel to the front side surface of the strip-shaped support rod 8 and extends to the upper part of the sloping surface of the wedge 20;
a triangular rib plate 23 is arranged at the bent part of the L-shaped folded plate 22; the structural strength of the bent part of the L-shaped folded plate 22 can be effectively enhanced by utilizing the triangular rib plate 23, so that the deformation in long-term use is prevented;
the slope surface of the wedge 20 is provided with a slope notch 26 corresponding to the triangular rib plate 23, and the gradient of the slope notch 26 is greater than that of the wedge 20; the slope notch 26 is adopted to facilitate the insertion of the triangular rib plate 23, and simultaneously, the guide function is also realized on the sliding of the L-shaped folded plate 22, and the L-shaped folded plate 22 is completely embedded into the slope notch 26 when sliding to a certain position, so that the strip-shaped clamping plate 14 is further pressed, and double pressing is realized on the strip-shaped clamping plate and the bent plate surface of the L-shaped folded plate 22;
two push-pull rib plates 25 are arranged at the joint of the L-shaped folded plate 22 and the sliding sleeve 13; the structural strength of the joint of the L-shaped folded plate 22 and the sliding sleeve 13 can be enhanced by utilizing the push-pull rib plate, and the push-pull rib plate is also used for hinging the end part of the guide rod 7;
the other end of the guide rod 7 is hinged between the two push-pull rib plates 25;
one end of the pull rope 24 is fixed on the hinged end of the strip-shaped clamping plate 14, and the other end is fixed on the side surface of the L-shaped folded plate 22; the pull rope 24 is adopted to drive the strip-shaped clamping plate 14 to be opened when the sliding sleeve 13 returns, namely, four branched wires can be simultaneously detached only by the rotary adjusting bolt 2, so that the convenience of detachment and replacement is effectively improved;
the rear side edge of the hinged end of the strip-shaped clamping plate 14 is provided with a circular arc-shaped cutting angle 21, and the circle center of the circular arc-shaped cutting angle 21 is positioned on the axis of the hinged position of the strip-shaped mounting plate 27; by adopting the arc-shaped cut angle 21, the strip-shaped clamping plate 14 can be opened without friction with the front side surface of the strip-shaped support rod 8, and the opening angle of the strip-shaped clamping plate 14 is not limited, so that the strip-shaped clamping plate 14 and the strip-shaped support rod 8 can be clamped seamlessly;
an arc-shaped connecting rod 10 is arranged between adjacent branches of the cross-shaped bracket 1; the arc-shaped connecting rod 10 can be conveniently held by constructors during disassembly or installation, and can also be used for connection of safety rope lock catches, so that the use flexibility of the spacer is effectively improved.
And the outer surfaces of the central support, the four supporting branches and the four chuck mechanisms are all provided with antirust coatings.
Since the four-split spacing rod of the invention is used outdoors for a long time, the outer surfaces of the central bracket, the four supporting branches and the four chuck mechanisms are required to be provided with the antirust coatings, and the components of the antirust coatings comprise: xylene, a surfactant, graphite powder, glycerol, isopropanolamine, mica powder, an oily curing agent, lead zinc oxide and a water solvent. The antirust coating comprises the following components in parts by mass: 55-60 parts of dimethylbenzene, 3-8 parts of surfactant, 21-29 parts of graphite powder, 23-37 parts of glycerol, 26-37 parts of isopropanolamine, 25-34 parts of mica powder, 15-21 parts of oil curing agent, 21-34 parts of lead zinc oxide and 15-23 parts of hydrosolvent. The mass part ratio is another innovation point of the invention, and the antirust effect is better only within the mass part range of the invention.
Comparative experiment 1: 58 parts of dimethylbenzene, 5 parts of surfactant, 25 parts of graphite powder, 30 parts of glycerol, 32 parts of isopropanolamine, 29 parts of mica powder, 19 parts of oily curing agent, 28 parts of lead zinc oxide and 18 parts of water solvent;
comparative experiment 2: 30 parts of dimethylbenzene, 7 parts of surfactant, 15 parts of graphite powder, 20 parts of mica powder, 8 parts of oily curing agent, 18 parts of lead zinc oxide and 10 parts of hydrosolvent;
comparative experiment 3: 70 parts of dimethylbenzene, 3 parts of surfactant, 60 parts of glycerol, 20 parts of isopropanolamine, 31 parts of mica powder, 12 parts of oily curing agent, 10 parts of lead zinc oxide and 25 parts of hydrosolvent.
The effect of the 5 year experiment is as follows:
| experimental number | Paint drop rate (ratio of area of dropped paint to area of painted paint) | Rate of rusting (ratio of area of rusting to area of paint) |
| 1 | 2.1 | 3.3 |
| 2 | 11.3 | 12.7 |
| 3 | 15.1 | 13.6 |
As can be seen from the table above, the anti-rust coating provided by the invention has the advantages of good protection effect, difficult paint dropping, low rusting rate and obvious use effect.
As noted above, while the present invention has been shown and described with reference to certain preferred embodiments, it is not to be construed as limited thereto. Various changes in form and detail may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (1)
1. The utility model provides a four split conductor spacers for extra-high voltage transmission line which characterized in that:
the device comprises a central bracket, four supporting branches and four chuck mechanisms;
the four supporting branches are respectively arranged on the peripheral edges of the central support and are distributed in a cross shape;
the four chuck mechanisms are respectively arranged at the tail ends of the four supporting branches and are used for forming four cable clamping heads with the tail ends of the four supporting branches;
the outer surface of center support, four support branches and four chuck mechanisms on set up anti rust coating, anti rust coating's component include: xylene, a surfactant, graphite powder, glycerol, isopropanolamine, mica powder, an oily curing agent, lead zinc oxide and a water solvent; the antirust coating comprises the following components in parts by mass: 55-60 parts of dimethylbenzene, 3-8 parts of surfactant, 21-29 parts of graphite powder, 23-37 parts of glycerol, 26-37 parts of isopropanolamine, 25-34 parts of mica powder, 15-21 parts of oil curing agent, 21-34 parts of lead zinc oxide and 15-23 parts of hydrosolvent;
the central support comprises a cross-shaped support (1), an adjusting bolt (2), an adjusting rectangular block (3), four connecting rods (4), a fixing nut (5) and four guide rods (7);
the front side surface of the cross-shaped bracket (1) is provided with a cross-shaped sliding chute (6);
the adjusting bolt (2) penetrates through and is screwed at the cross-shaped intersection point of the cross-shaped sliding chute (6);
the adjusting rectangular block (3) and the fixing nut (5) are screwed on the screw rod of the adjusting bolt (2) and are respectively positioned at the front side and the rear side of the cross-shaped bracket (1);
one ends of the four connecting rods (4) are respectively hinged and installed on the peripheral edges of the adjusting rectangular blocks (3);
the other ends of the four connecting rods (4) are respectively hinged with one ends of the four guide rods (7) through hinge shafts (12);
the other ends of the four guide rods (7) penetrate out of the end part of the cross-shaped sliding chute (6), and the guide rods (7) are parallel to the branches of the cross-shaped sliding chute (6);
side grooves are arranged on the side surfaces of the four branches of the cross-shaped sliding groove (6) along the direction of the branch grooves;
two ends of the articulated shaft (12) are respectively embedded in the side grooves at two sides and can slide back and forth along the side grooves;
the articulated shaft (12) is provided with a supporting roller (11), and the supporting roller (11) is supported on the bottom of the cross-shaped sliding chute (6);
the four supporting branches respectively comprise a strip-shaped supporting rod (8), a tension spring (19) and a tension spring housing (18);
the strip-shaped supporting rods (8) are correspondingly extended and installed on the end parts of the cross-shaped bracket (1);
the left side and the right side of the strip-shaped support rod (8) are provided with side sliding chutes (9) along the length direction;
a slope surface (17) is arranged at the front side edge of the end part of the strip-shaped support rod (8), a semicircular notch (15) is arranged on the front side clamping side surface close to the slope surface (17), and a rubber pad (16) is arranged in the semicircular notch (15);
one end of the tension spring housing (18) is fixedly arranged on the left side surface of the strip-shaped support rod (8), and the length direction of the tension spring housing (18) is vertical to the length direction of the strip-shaped support rod (8);
one end of the tension spring (19) is fixedly arranged on the left side surface of the strip-shaped support rod (8), and the tension spring (19) is positioned in the tension spring housing (18);
the four chuck mechanisms comprise sliding sleeves (13), strip-shaped clamping plates (14) and pull ropes (24);
the four sliding sleeves (13) are respectively sleeved on the four strip-shaped supporting rods (8) and can slide back and forth along the strip-shaped supporting rods (8);
the inner wall of the sliding sleeve (13) is provided with a sliding block embedded in the side sliding groove (9);
the left side surface and the right side surface of each of the four strip-shaped clamping plates (14) are respectively provided with a strip-shaped mounting plate (27);
the strip-shaped clamping plate (14) is hinged and installed on the end part of the corresponding strip-shaped supporting rod (8) through a strip-shaped installation plate (27);
a semicircular notch (15) is formed in the clamping side face of the rear side of the strip-shaped clamping plate (14), and a rubber pad (16) is arranged in the semicircular notch (15);
the semicircular notches (15) on the strip-shaped clamping plates (14) correspond to the semicircular notches (15) on the strip-shaped supporting rods (8);
a slope surface (17) is arranged at the rear side edge of the end part of the strip-shaped clamping plate (14), and the slope surface (17) at the end part of the strip-shaped supporting rod (8) form a V-shaped socket;
the other end of the tension spring (19) is fixedly arranged on the left side surface of the strip-shaped clamping plate (14);
the other end of the tension spring housing (18) extends to the left side surface of the strip-shaped clamping plate (14) and is parallel to the left side surface of the strip-shaped clamping plate (14);
a wedge (20) is arranged on the front side surface of the strip-shaped clamping plate (14), and the slope surface of the wedge (20) is lifted from the hinged end of the strip-shaped clamping plate (14) to the clamping end;
an L-shaped folded plate (22) is integrally arranged at the front side of the sliding sleeve (13);
the bending plate surface of the L-shaped folded plate (22) is parallel to the front side surface of the strip-shaped support rod (8) and extends to the upper part of the slope surface of the wedge (20);
a triangular rib plate (23) is arranged at the bent part of the L-shaped folded plate (22);
a slope notch (26) corresponding to the triangular rib plate (23) is arranged on the slope surface of the wedge (20), and the gradient of the slope notch (26) is greater than that of the wedge (20);
two push-pull rib plates (25) are arranged at the joint of the L-shaped folded plate (22) and the sliding sleeve (13);
the other end of the guide rod (7) is hinged between the two push-pull rib plates (25);
one end of the pull rope (24) is fixed on the hinged end of the strip-shaped clamping plate (14), and the other end is fixed on the side surface of the L-shaped folded plate (22);
the rear side edge of the hinged end of the strip-shaped clamping plate (14) is provided with a circular arc-shaped cutting angle;
an arc-shaped connecting rod (10) is arranged between adjacent branches of the cross-shaped bracket (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810134681.9A CN108258641B (en) | 2017-01-03 | 2017-01-03 | Four-split spacer for ultra-high voltage transmission line |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710000668.XA CN107069625B (en) | 2017-01-03 | 2017-01-03 | A kind of quadripartion conductor spacer for UHV transmission line |
| CN201810134681.9A CN108258641B (en) | 2017-01-03 | 2017-01-03 | Four-split spacer for ultra-high voltage transmission line |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710000668.XA Division CN107069625B (en) | 2017-01-03 | 2017-01-03 | A kind of quadripartion conductor spacer for UHV transmission line |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108258641A CN108258641A (en) | 2018-07-06 |
| CN108258641B true CN108258641B (en) | 2020-05-08 |
Family
ID=59624445
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710000668.XA Expired - Fee Related CN107069625B (en) | 2017-01-03 | 2017-01-03 | A kind of quadripartion conductor spacer for UHV transmission line |
| CN201810134681.9A Active CN108258641B (en) | 2017-01-03 | 2017-01-03 | Four-split spacer for ultra-high voltage transmission line |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710000668.XA Expired - Fee Related CN107069625B (en) | 2017-01-03 | 2017-01-03 | A kind of quadripartion conductor spacer for UHV transmission line |
Country Status (1)
| Country | Link |
|---|---|
| CN (2) | CN107069625B (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108879548B (en) * | 2018-06-20 | 2022-04-05 | 国网江苏省电力有限公司泰州供电分公司 | Double-split conductor spacer and application method thereof |
| CN108799630B (en) * | 2018-07-27 | 2019-12-17 | 东阳市中傲建筑工程有限公司 | Cable support |
| CN110265952B (en) * | 2019-07-12 | 2024-02-02 | 云南电网有限责任公司丽江供电局 | Wire spacing bracket and use method thereof |
| CN112202120B (en) * | 2020-10-12 | 2022-11-08 | 城信科技股份有限公司 | Self-adaptive multi-cable doubling fixed mounting fixture |
| CN112202125B (en) * | 2020-10-12 | 2022-11-29 | 国网冀北电力有限公司廊坊供电公司 | Self-adaptive multi-cable doubling fixing method |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3610885A1 (en) * | 1986-04-02 | 1987-10-15 | Bergner Richard Gmbh Co | SELF-DAMPING FIELD SPACER FOR LEADER LADDER |
| CN102306923A (en) * | 2011-05-24 | 2012-01-04 | 宁波奇乐电气集团有限公司 | Energy-saving electric power fitting spacer damper made from insulating composite material |
| CN203367925U (en) * | 2013-05-13 | 2013-12-25 | 中国能建集团装备有限公司南京技术中心 | Composite material-based energy-saving type pre-twisted spacer rod |
| CN104985891B (en) * | 2013-11-14 | 2018-05-25 | 德邦新材料有限公司 | A kind of energy-efficient heat shielding cooling anticorrosion coating material |
-
2017
- 2017-01-03 CN CN201710000668.XA patent/CN107069625B/en not_active Expired - Fee Related
- 2017-01-03 CN CN201810134681.9A patent/CN108258641B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN107069625B (en) | 2019-01-11 |
| CN108258641A (en) | 2018-07-06 |
| CN107069625A (en) | 2017-08-18 |
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Effective date of registration: 20201124 Address after: 362000 No.37 Qianban street, Qianban new village, Fengze Street, Fengze District, Quanzhou City, Fujian Province Patentee after: Quanzhou Yiyan Financial Management Consulting Co., Ltd Address before: Room 101, 7 Jinxing Garden, Lucheng District, Wenzhou City, Zhejiang Province Patentee before: Cai Haiqiang |
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Effective date of registration: 20201210 Address after: Liu'an Development Zone, Yongchun County, Quanzhou City, Fujian Province (east side of Taoxi bridge) Patentee after: Yongchun County Product Quality Inspection Institute Fujian fragrance product quality inspection center, national incense burning product quality supervision and Inspection Center (Fujian) Address before: 362000 No.37 Qianban street, Qianban new village, Fengze Street, Fengze District, Quanzhou City, Fujian Province Patentee before: Quanzhou Yiyan Financial Management Consulting Co., Ltd |