CN113389425A - Composite insulating cross arm and assembling method thereof - Google Patents
Composite insulating cross arm and assembling method thereof Download PDFInfo
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- CN113389425A CN113389425A CN202110748024.5A CN202110748024A CN113389425A CN 113389425 A CN113389425 A CN 113389425A CN 202110748024 A CN202110748024 A CN 202110748024A CN 113389425 A CN113389425 A CN 113389425A
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- side beam
- cross arm
- sliding block
- fastener
- composite insulating
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H12/00—Towers; Masts or poles; Chimney stacks; Water-towers; Methods of erecting such structures
- E04H12/24—Cross arms
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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
- H02G7/05—Suspension arrangements or devices for electric cables or lines
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Abstract
The invention relates to the technical field of power equipment, and provides a composite insulating cross arm and an assembling method thereof, wherein the composite insulating cross arm comprises fasteners, main beams, a wire holder and first side beams, one ends of the two fasteners are hinged, the two fasteners form a fastening ring, the other ends of the fasteners are provided with latches, the two main beams are arranged on two sides of the fasteners, one ends of the main beams are connected with the fasteners, the wire holder is rotatably arranged on the other ends of the main beams, the two first side beams are arranged on two sides of the main beams, one ends of the first side beams are slidably arranged on the fasteners, and the other ends of the first side beams are hinged with the wire holder; the side beam telescopic section is hinged with the wire holder, oblique teeth back to the hinged end are arranged on the side beam telescopic section, the oblique teeth have elasticity, one end of the side beam fixing section is arranged on the fastener in a sliding mode, the other end of the side beam fixing section is of a cylindrical structure with a clamping groove in the inner portion, the side beam telescopic section extends into the cylindrical structure in the side beam telescopic section, and the oblique teeth are inserted into the clamping groove. Through above-mentioned technical scheme, the problem of high altitude construction cross arm installation difficulty among the prior art has been solved.
Description
Technical Field
The invention relates to the technical field of power equipment, in particular to a composite insulating cross arm and an assembling method thereof.
Background
The cross arm is an important component of the wire stringing equipment and is used for installing insulators and hardware fittings to support wires and lightning conductors and keep certain safety distance according to regulations. At present, most electric power towers of power distribution network systems at home and abroad are provided with iron cross arms, wooden cross arms and porcelain cross arms. The wood cross arm has insufficient strength and weak corrosion resistance; the strength of the porcelain cross arm is not enough, and the bending resistance is not enough; the iron cross arm has poor insulating property and is easy to rust, and when the cross arm is installed, due to the particularity of the installation position, potential safety hazards exist in cross arm installation, the installation is difficult, installation personnel are difficult to exert force at a higher position, and the installation accuracy and firmness are relatively poor; when present cross arm is facing long distance overhead line, because the sag and the weight of line itself, when facing the severe weather of sleet strong wind, the pulling force to the cross arm is very big, and the cross arm is difficult to absorb the pulling force that the electric wire brought, and on the one hand, cross arm itself has the potential safety hazard risk, and stress concentration causes the fracture, and on the other hand, the line also bears very big load, has the potential safety hazard of breaking, based on above problem, a cross arm that insulating security performance is high is needed urgently.
Disclosure of Invention
The invention provides a composite insulating cross arm and an assembling method thereof, and solves the problem that the cross arm is difficult to install in high-altitude operation in the prior art.
The technical scheme of the invention is as follows:
a composite insulating cross arm comprising:
the fastening pieces are hinged at one end, form a fastening ring and are provided with a lock catch at the other end;
the two main beams are arranged on two sides of the fastener, and one end of each main beam is connected with the fastener;
the wire holder is rotatably arranged at the other end of the main beam;
the two first side beams are arranged on two sides of the main beam, one end of each first side beam is arranged on the fastener in a sliding mode, and the other end of each first side beam is hinged with the wire holder;
the first side rail includes:
the side beam telescopic section is hinged with the wire holder, and is provided with inclined teeth back to the hinged end, and the inclined teeth have elasticity;
the side beam fixing section is provided with a clamping groove, one end of the side beam fixing section is arranged on the fastener in a sliding mode, the other end of the side beam fixing section is of a cylinder structure with the clamping groove in the inner portion, the side beam telescopic section extends into the cylinder structure in the side beam telescopic section, and the helical teeth are inserted into the clamping groove.
The other end of the side beam fixing section is of a cylindrical structure, the other end of the side beam fixing section is also provided with a baffle, and the baffle is provided with a round hole;
further comprising:
the first sliding block is arranged on the fastener in a sliding mode;
the second sliding block is arranged in the cylindrical structure of the side beam fixing section in a sliding mode;
the connecting rod penetrates through the baffle, one end of the connecting rod is hinged with the first sliding block, and the other end of the connecting rod is hinged with the second sliding block;
the springs are two and are arranged between the second sliding block and the baffle and between the first sliding block and the baffle.
Further comprising:
the first adjusting rod is rotatably arranged on the fastener and is a two-way screw rod, the first sliding block and the second sliding block are provided with threaded holes, and the first adjusting rod penetrates through the first sliding block and the second sliding block.
The number of the fastening pieces is two, and threaded holes are formed in the fastening pieces;
further comprising:
the number of the guide rods is multiple, and the two fasteners are arranged on the guide rods in a sliding manner;
the second adjusting rod is a bidirectional thread and penetrates through the threaded holes of the two fastening pieces;
and one end of the diagonal draw bar is hinged with the main beam, the other end of the diagonal draw bar is connected with the fastener, and an included angle is formed between the diagonal draw bar and the main beam.
The diagonal draw bar is a hydraulic rod.
And a porcelain bottle is arranged on the wire holder.
Further comprising:
and the main beam and the first side beam are provided with insulators.
An assembly method of a composite insulating cross arm comprises the following steps:
s1: the composite insulating cross arm is preassembled on the ground according to a design structure, and the first side beam and the diagonal draw bar are in a retracted state;
s2: transporting the assembled composite insulating cross arm to the upper end of the wire stringing pole;
s3: adjusting a fastener connected with the main beam to be fastened and fixed;
s4: adjusting a second adjusting rod, lifting a fastening piece connected with the diagonal draw bar, unfolding the diagonal draw bar, and buckling and locking the fastening piece after the diagonal draw bar is unfolded in place;
s5: adjusting the first adjusting rod to unfold the first side beams at two sides of the main beam;
s6: and (5) stringing on the porcelain insulator.
The working principle and the beneficial effects of the invention are as follows:
the invention discloses a composite insulating cross arm, wherein a fastener is used for fixing the cross arm on a stringing support, the fastener is two annular parts, one end of the fastener is hinged, the two fasteners rotate around a hinged point, an annular fastening structure is formed after the other end of the fastener is combined, a lock catch is arranged at the other end of the fastener, the whole cross arm can be fixed by screwing the lock catch, the main bearing of the cross arm is borne by a main beam connected with the fastener, the number of the main beam is two, wiring seats are rotatably arranged at the other end of the main beam on two sides of the fastener, first side beams are arranged at two sides of the main beam, one end of each first side beam is arranged on the fastener in a sliding manner and can be locked and fastened through nuts to realize positioning, the other end of each first side beam is hinged with the wiring seats, the first side beam is divided into two sections, one section is a side beam telescopic section, the other section is a side beam fixing section, and the side beam telescopic section is hinged with the wiring seats, the side beam fixing section is connected with a fastener in a sliding mode, the side beam telescopic section is connected with the side beam fixing section in a one-way telescopic mode, inclined teeth which are opposite to the hinged end are arranged on the side beam telescopic section, the inclined teeth have certain elasticity, the other end of the side beam fixing section is of a cylindrical structure, one end, provided with the inclined teeth, of the side beam telescopic section extends into the cylindrical structure, a clamping groove is further formed in the cylindrical structure of the side beam fixing section, the inclined teeth are inserted into the clamping groove, the inclined teeth can move in the direction opposite to the inclined direction, and the inclined teeth are fixed in the reverse direction, so that one-way telescopic fixing is achieved;
in the working process, the cross arm can be made into an integrated structure, the cross arm in the invention is of a structure such as a hinged sliding structure and the like, is convenient to carry to high-altitude operation, does not need to assemble components under the high-altitude operation in the installation process, and during the installation, only the fastener is firstly fixed on the stringing column, the whole body has the foundation of fixed support, the physical labor of installation personnel can be greatly reduced, the potential safety hazard is also reduced, the installation efficiency is greatly improved, when the fastener is installed, the first side beams on the two sides of the main beam are opened, and when the first side beams are opened, the two ends of the first side beam slide when being fastened, the telescopic section and the fixed section of the side beam can extend, the two first side beams reach the appointed opening angle, the sliding ends are fixed, the installation of the cross arm can be completed through bolts or other fasteners, the installation is rapid and convenient, and the safety factor is high;
compared with the prior art, the cross arm is complex to install, the components are installed in the overhead operation, potential safety hazards exist, in addition, deviation is easy to occur in the accuracy of the size of the overhead operation installation, and when the size deviation occurs, the cross arm is easy to generate stress concentration due to the fact that the cross arm is subjected to the tensile force of the wire, and the cross arm is damaged.
The invention also discloses an assembly method of the composite insulating cross arm, based on the integrated cross arm structure, the cross arm can be quickly and accurately installed by adjusting the adjusting structure and the buckle fixing device on the cross arm, the installation precision is improved, the potential safety hazard is eliminated, the labor intensity of installation is reduced, and the problem of difficult installation of the cross arm in high altitude operation in the prior art is solved.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of a first side rail structure according to the present invention;
in the figure: 1. fastener, 2, girder, 3, connection terminal, 4, first curb girder, 5, curb girder flexible section, 7, skewed tooth, 8, curb girder fixed segment, 9, joint groove, 10, baffle, 11, first sliding block, 12, second sliding block, 13, connecting rod, 14, spring, 15, first regulation pole, 16, guide bar, 17, second regulation pole, 18, oblique pull rod, 19, vase, 20, insulator.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any inventive step, are intended to be within the scope of the present invention.
As shown in fig. 1 to 2, the present embodiment provides a composite insulating cross arm, including:
the fastening piece 1, one end of each of the two fastening pieces 1 is hinged, the two fastening pieces 1 form a fastening ring, and the other end of each of the two fastening pieces 1 is provided with a lock catch;
the two main beams 2 are arranged on two sides of the fastener 1, and one end of each main beam 2 is connected with the fastener 1;
the wire holder 3 is rotatably arranged at the other end of the main beam 2;
the two first side beams 4 are arranged on two sides of the main beam 2, one end of each first side beam 4 is arranged on the fastener 1 in a sliding mode, and the other end of each first side beam 4 is hinged with the wire holder 3;
the first side member 4 includes:
the side beam telescopic section 5 is hinged with the wire holder 3, the side beam telescopic section 6 is provided with inclined teeth 7 back to the hinged end, and the inclined teeth 7 have elasticity;
the side beam fixing section 8 is characterized in that one end of the side beam fixing section 8 is arranged on the fastener 1 in a sliding mode, the other end of the side beam fixing section 8 is of a cylindrical structure with a clamping groove 9 in the inner portion, the side beam telescopic section 6 extends into the cylindrical structure in the side beam telescopic section 6, and the helical teeth 7 are inserted into the clamping groove 9.
In the embodiment, the composite insulating cross arm is disclosed, a fastener 1 fixes the cross arm on a stringing support, the fastener 1 is two ring-shaped parts, one end of the two ring-shaped parts is hinged, the two fasteners 1 rotate around a hinged point, a ring-shaped fastening structure is formed after the other end is combined, a latch is arranged at the other end, the overall fixation of the cross arm can be realized by screwing the latch, the main bearing of the cross arm is realized by the main beam 2 connected with the fasteners 1, the main beam 2 is two, wiring bases 3 are rotatably arranged at the other end of the main beam 2 at two sides of the fastener 1, first side beams 4 are arranged at two sides of the main beam 2, one end of each first side beam 4 is arranged on the fastener 1 in a sliding manner and can be locked and fastened through nuts to realize positioning, the other end is hinged with the wiring base 3, the first side beam 4 is divided into two sections, and one section is a side beam telescopic section 5, the other section is a side beam fixing section 8, a side beam telescopic section 5 is hinged with the wire holder 3, the side beam fixing section 8 is connected with the fastener 1 in a sliding mode, the side beam telescopic section 5 is connected with the side beam fixing section 8 in a one-way telescopic mode, the side beam telescopic section 5 is provided with inclined teeth 7 back to the hinged end, the inclined teeth 7 have certain elasticity, the other end of the side beam fixing section 8 is of a cylindrical structure, one end, provided with the inclined teeth 7, of the side beam telescopic section 5 extends into the cylindrical structure, a clamping groove 9 is further formed in the cylindrical structure of the side beam fixing section 8, the inclined teeth 7 are inserted into the clamping groove 9, the inclined teeth 7 can move back to the inclined direction and are fixed in a reverse direction, and one-way telescopic fixing is achieved; in this embodiment, besides the convenience of installation, when facing the weather of strong wind, rain and snow, the wire holder 3 bears the impulse type wind force, the large-span wire can swing under the action of wind, the heavy wire can generate strong pulling force on the cross arm, in this embodiment, the wire is installed on the wire holder 3, the wire holder 3 is hinged to the first side beam 4 and can swing, the pulling force of the wire under the action of wind can be transmitted to the wire holder 3, the wire holder 3 transmits the pulling force to the first side beam 4, and therefore the pulling force of a part of the wire can be offset, and the service life of the cross arm is prolonged.
The other end of the side beam fixing section 8 is of a cylindrical structure, a baffle plate 10 is further arranged at the other end of the side beam fixing section 8, and a circular hole is formed in the baffle plate 10;
further comprising:
the first sliding block 11 is arranged on the fastener 1 in a sliding mode;
second sliding block 12, where second sliding block 12 is slidably disposed in the cylindrical structure of side beam fixing section 8;
a connecting rod 13, wherein the connecting rod 13 penetrates through the baffle 10, one end of the connecting rod 13 is hinged with the first sliding block 11, and the other end of the connecting rod 13 is hinged with the second sliding block 12;
and two springs 14, wherein the springs 14 are arranged, and the springs 14 are arranged between the second sliding block 12 and the baffle 10 and between the first sliding block 11 and the baffle 10.
In this embodiment, a cylindrical structure at the other end of the side beam fixing section 8 is provided with a baffle 10, the baffle 10 is provided with a through hole, a first sliding block 11 is slidably provided on the fastener 1, a second sliding block 12 is slidably provided in the side beam fixing section 8 along the axial direction of the cylindrical structure, the first sliding block 11 and the second sliding block 12 are connected through a connecting rod 13, the connecting rod 13 passes through a circular hole on the baffle 10, a spring 14 is provided between the baffle 10 and the first sliding block 11, a spring 14 is also provided between the baffle 10 and the second sliding block 12, after the installation, when the first side beam 4 is unfolded, the overhead wire faces the blowing force of strong wind, the wire holder 3 is twisted, the impact force caused by the wind is transmitted to the spring 14 through the wire holder 3, the side beam telescopic section 5 and the side beam fixing section 8, the spring 14 can absorb the impact force of wire falling, and in addition, more twisting space is provided for the wire holder 3, thereby avoiding the overlarge pulling force on the cross arm when the wire shakes.
Further comprising:
In this embodiment, still install the regulation pole on fastener 1, all be provided with the screw hole on first sliding block 11 and the second sliding block 12, first regulation pole 15 rotates and sets up on fastener 1, first regulation pole 15 is two-way screw rod, pass first sliding block 11 and second sliding block 12, when adjusting first regulation pole 15, can control first sliding block 11 and second sliding block 12 and be close to or keep away from on fastener 1, thereby can be more convenient when readjusting opening of first side rail 4, in addition, through first regulation pole 15, the angle that first side rail 4 of girder 2 both sides was opened is the same, therefore, first side rail 4 can be more stable firm to the support nature of girder 2, the traction force of both sides is the same.
The number of the fastening pieces 1 is two, and threaded holes are formed in the fastening pieces 1;
further comprising:
a plurality of guide rods 16, wherein two fasteners 1 are slidably arranged on the guide rods 16;
the second adjusting rod 17 is a bidirectional thread, and the second adjusting rod 17 penetrates through the threaded holes of the two fastening pieces 1;
and one end of the diagonal draw bar 18 is hinged with the main beam 2, the other end of the diagonal draw bar 18 is connected with the fastener 1, and an included angle is formed between the diagonal draw bar 18 and the main beam 2.
In this embodiment, fastener 1 sets up to two of aligning from top to bottom, be provided with the screw hole on fastener 1, fastener 1 sets up on the guide arm, can remove along the guide arm, second regulation pole 17 is also two-way screw rod, pass the screw hole that the fastening will be last, it has a diagonal draw bar 18 to articulate on girder 2, other one end is articulated with fastener 1, girder 2 one end is articulated with diagonal draw bar 18, one end is connected with another fastener 1, diagonal draw bar 18, girder 2 and two upper and lower fasteners 1 that separate form the triangle-shaped structure, further promoted girder 2's stability and the stability of cross arm installation on the overhead line post, the cross arm is when the ice and snow weather, even the weight increase of line, also can bear the load of bigger vertical direction, the bearing capacity of cross arm to bad weather has been promoted.
The diagonal draw bar 18 is a hydraulic rod.
In this embodiment, the diagonal draw bar 18 is a hydraulic rod, the diagonal draw bar 18 is elongated through the second adjusting rod 17 when being installed, the hydraulic rod inside the diagonal draw bar has a certain pulling force after being elongated, the main beam 2 is pulled, and after the stringing is installed, the pulling force of the diagonal draw bar 18 offsets the weight of a part of the line, so that the load of the main beam 2 is reduced, and the overall service life of the cross arm is prolonged.
A porcelain bottle 19 is arranged on the wire holder 3.
In this embodiment, be provided with vase 19 on the wire holder 3, install the overhead line on the vase 19, vase 19 has promoted the security to make the integral type, simple to operate is reliable.
Further comprising:
and the main beam 2 and the first side beam 4 are provided with insulators 20 respectively.
In this embodiment, the insulators 20 are disposed on the main beam 2 and the first side beam 4, so as to improve the safety of the cross arm.
An assembly method of a composite insulating cross arm comprises the following steps:
s1: the composite insulating cross arm is preassembled on the ground according to a design structure, and the first side beam 4 and the diagonal draw bar 18 are in a retracted state;
s2: transporting the assembled composite insulating cross arm to the upper end of the wire stringing pole;
s3: adjusting a fastener 1 connected with the main beam 2 to be buckled and fixed;
s4: adjusting a second adjusting rod 17, lifting the fastening piece 1 connected with the diagonal draw bar 18, unfolding the diagonal draw bar 18, and buckling and locking the fastening piece 1 after the diagonal draw bar 18 is unfolded in place;
s5: adjusting a first adjusting rod 15, and unfolding the first side beams 4 at two sides of the main beam 2;
s6: the wire is laid on the porcelain bottle 19.
In the embodiment, the method for assembling the composite insulating cross arm is further disclosed, based on the structure of the composite insulating cross arm in the above embodiments, the composite insulating cross arm is firstly preassembled according to a design structure on the ground, at the moment, the first side beam 4 and the diagonal draw bar 18 are ensured to be in a folded state, so that the composite insulating cross arm is small in size, convenient to lift and transport and convenient to carry to a high-altitude operation point, then the fastening piece 1 connected with the main beam 2 is firstly adjusted, the latch at the end part of the fastening piece 1 is locked to realize the primary positioning installation of the high-altitude operation point, at the moment, the operation difficulty of high-altitude operation personnel can be reduced, then the second adjusting rod 17 is adjusted, the fastening piece 1 connected with the diagonal draw bar 18 is lifted, the diagonal draw bar 18 is unfolded, the fastening piece 1 connected with the diagonal draw bar 18 is latched and locked after the fastening piece is in place, at the whole is fixed, and the risk of falling is avoided, and finally, adjusting the first adjusting rod 15, unfolding the first side beams 4 at two sides of the main beam 2, and realizing the support of the side surfaces of the main beam 2, so far, completing the assembly and installation of the whole cross arm, and then stringing on the porcelain insulator 19 to complete stringing work.
The present invention is not limited to the above preferred embodiments, and any modifications, equivalent substitutions, improvements, etc. within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. A composite insulating cross arm, comprising:
the fastening pieces (1) are hinged at one end of each of the two fastening pieces (1), the two fastening pieces (1) form a fastening ring, and the other end of each of the fastening pieces (1) is provided with a lock catch;
the two main beams (2) are arranged on two sides of the fastener (1), and one end of each main beam (2) is connected with the fastener (1);
the wire holder (3) is rotatably arranged at the other end of the main beam (2);
the two first side beams (4) are arranged on two sides of the main beam (2), one end of each first side beam (4) is arranged on the fastener (1) in a sliding mode, and the other end of each first side beam (4) is hinged to the wire holder (3);
the first side member (4) includes:
the side beam telescopic section (5) is hinged with the wire holder (3), inclined teeth (7) back to the hinged end are arranged on the side beam telescopic section (5), and the inclined teeth (7) have elasticity;
the side beam fixing section (8), one end of the side beam fixing section (8) is arranged on the fastener (1) in a sliding mode, the other end of the side beam fixing section is of a cylindrical structure with a clamping groove (9) in the interior, the side beam telescopic section (5) stretches into the cylindrical structure in the side beam telescopic section (5), and the oblique teeth (7) are inserted into the clamping groove (9).
2. The composite insulating cross arm according to claim 1, wherein the other end of the side beam fixing section (8) is of a cylindrical structure, the other end of the side beam fixing section (8) is further provided with a baffle (10), and the baffle (10) is provided with a round hole;
further comprising:
a first sliding block (11), wherein the first sliding block (11) is arranged on the fastener (1) in a sliding manner;
the second sliding block (12), the second sliding block (12) is arranged in the cylindrical structure of the side beam fixing section (8) in a sliding manner;
the connecting rod (13) penetrates through the baffle (10), one end of the connecting rod (13) is hinged with the first sliding block (11), and the other end of the connecting rod (13) is hinged with the second sliding block (12);
springs (14), the number of the springs (14) is two, and the springs (14) are arranged between the second sliding block (12) and the baffle (10) and between the first sliding block (11) and the baffle (10).
3. The composite insulating cross arm of claim 2, further comprising:
first regulation pole (15), first regulation pole (15) rotate to be set up on fastener (1), first regulation pole (15) are two-way screw rod, first sliding block (11) with be provided with the screw hole on second sliding block (12), first regulation pole (15) pass first sliding block (11) with second sliding block (12).
4. The composite insulating cross arm according to claim 1, characterized in that the number of the fasteners (1) is two, and the fasteners (1) are provided with threaded holes;
further comprising:
the number of the guide rods (16) is several, and the two fasteners (1) are arranged on the guide rods (16) in a sliding manner;
the second adjusting rod (17), the second adjusting rod (17) is a bidirectional screw thread, and the second adjusting rod (17) penetrates through the threaded holes of the two fasteners (1);
and one end of the diagonal draw bar (18) is hinged with the main beam (2), the other end of the diagonal draw bar (18) is connected with the fastener (1), and an included angle is formed between the diagonal draw bar (18) and the main beam (2).
5. Composite insulating crossarm according to claim 4, characterized in that the diagonal draw bars (18) are hydraulic rods.
6. A composite insulating cross arm according to claim 1, characterized in that a porcelain bottle (19) is arranged on the wire holder (3).
7. The composite insulating cross arm of claim 1, further comprising:
and the main beam (2) and the first side beam (4) are provided with insulators (20) respectively.
8. A method of assembling a composite insulating cross arm comprising the composite insulating cross arm of any one of claims 1 to 8, comprising the steps of:
s1: the composite insulating cross arm is preassembled on the ground according to a design structure, and the first side beam (4) and the diagonal draw bar (18) are in a retracted state;
s2: transporting the assembled composite insulating cross arm to the upper end of the wire stringing pole;
s3: the fastener (1) connected with the main beam (2) is adjusted to be buckled and fixed;
s4: adjusting a second adjusting rod (17), lifting the fastening piece (1) connected with the inclined pull rod (18), unfolding the inclined pull rod (18), and buckling and locking the fastening piece (1) after the inclined pull rod (18) is unfolded in place;
s5: adjusting a first adjusting rod (15) to unfold the first side beams (4) on two sides of the main beam (2);
s6: and stringing on the porcelain insulator (19).
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110748024.5A CN113389425B (en) | 2021-07-02 | 2021-07-02 | Composite insulating cross arm and assembling method thereof |
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| CN202110748024.5A CN113389425B (en) | 2021-07-02 | 2021-07-02 | Composite insulating cross arm and assembling method thereof |
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| CN113389425A true CN113389425A (en) | 2021-09-14 |
| CN113389425B CN113389425B (en) | 2022-07-01 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114961402A (en) * | 2022-06-30 | 2022-08-30 | 江苏华电铁塔制造有限公司 | Cross arm with adjustable electric power steel pipe tower is used |
| CN117266659A (en) * | 2023-11-21 | 2023-12-22 | 河北东毅电力有限公司 | Cross arm of power supply line |
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| KR101030485B1 (en) * | 2010-11-24 | 2011-04-25 | 한국씨티에스주식회사 | Suspension wire support structure holding the device in ways to improve traffic |
| CN203895917U (en) * | 2014-04-10 | 2014-10-22 | 国家电网公司 | Self-regulation cross-arm |
| CN104963543A (en) * | 2015-06-30 | 2015-10-07 | 国网山东省电力公司济南供电公司 | Cross arm for electric power circuit |
| CN109306812A (en) * | 2018-10-16 | 2019-02-05 | 安徽柏桦电力科技有限公司 | A kind of compound inslation route angle bar cross-arm |
| CN211549032U (en) * | 2019-12-31 | 2020-09-22 | 江西益博电力设备制造有限公司 | Adjustable wire pole and wire mounting cross rod |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114961402A (en) * | 2022-06-30 | 2022-08-30 | 江苏华电铁塔制造有限公司 | Cross arm with adjustable electric power steel pipe tower is used |
| CN114961402B (en) * | 2022-06-30 | 2024-03-08 | 江苏华电铁塔制造有限公司 | Cross arm with adjustable electric power steel pipe tower is used |
| CN117266659A (en) * | 2023-11-21 | 2023-12-22 | 河北东毅电力有限公司 | Cross arm of power supply line |
| CN117266659B (en) * | 2023-11-21 | 2024-01-23 | 河北东毅电力有限公司 | Cross arm of power supply line |
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|---|---|
| CN113389425B (en) | 2022-07-01 |
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Application publication date: 20210914 Assignee: Hebei Jichang Electric Equipment Technology Co.,Ltd. Assignor: BAODING FANGYUAN ELECTRIC POWER CIRCUIT EQUIPMENT Co.,Ltd. Contract record no.: X2023990000193 Denomination of invention: A composite insulated cross arm and its assembly method Granted publication date: 20220701 License type: Common License Record date: 20230209 |
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