CN113236011B - Cross arm convenient to install and method for enabling cross arm to be convenient to install - Google Patents
Cross arm convenient to install and method for enabling cross arm to be convenient to install Download PDFInfo
- Publication number
- CN113236011B CN113236011B CN202110619336.6A CN202110619336A CN113236011B CN 113236011 B CN113236011 B CN 113236011B CN 202110619336 A CN202110619336 A CN 202110619336A CN 113236011 B CN113236011 B CN 113236011B
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- Prior art keywords
- clamp
- cross arm
- telegraph pole
- connecting rod
- fixed
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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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- 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
-
- 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
- E04H12/18—Towers; Masts or poles; Chimney stacks; Water-towers; Methods of erecting such structures movable or with movable sections, e.g. rotatable or telescopic
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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
- E04H12/34—Arrangements for erecting or lowering towers, masts, poles, chimney stacks, or the like
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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
- H02G1/00—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines
- H02G1/02—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines for overhead lines or cables
Abstract
The invention discloses a cross arm convenient to install, which comprises a first clamp, a second clamp, a first cross arm and a second cross arm, wherein sliding devices are arranged in cavities of the first clamp and the second clamp respectively, each sliding device comprises a connecting rod and a ball, bearings are fixed at two ends of each connecting rod, adjusting bolts are fixed on the bearings, springs are sleeved on the adjusting bolts, openings are formed in the first clamp and the second clamp respectively, and the cross arm further comprises a windproof device. The invention also discloses a method for facilitating the installation of the cross arm, which comprises the steps of arranging the cross arm in a split manner, respectively fixing the cross arm on a first clamp and a second clamp, arranging sliding devices on the first clamp and the second clamp, enabling the first cross arm and the second cross arm to move along the telegraph pole under the pulling force of a pull rope, and enabling the sliding devices to be close to or far away from the telegraph pole through adjusting bolts. The invention has the advantages of quick and convenient installation, time and labor saving in the lifting process, high safety performance, small working difficulty, good wind resistance, difficult inclination and damage and suitability for all cross arms.
Description
Technical Field
The invention belongs to the technical field of power line erection, relates to a cross arm convenient to install, and further relates to a method for facilitating installation of the cross arm.
Background
When two transmission lines are arranged, the telegraph poles or the electric wire towers are mostly adopted as middle supports for saving cost, cross arms are erected on the telegraph poles, and insulators are arranged on the cross arms, so that electric wires bypass the insulators to finish erection.
When installing the cross arm among the prior art, the staff climbs the top of wire pole earlier, then transmits the one end of rope subaerial, binds the cross arm to the rope by subaerial staff on, draws the rope by the staff on the wire pole again, mentions corresponding height with the cross arm, installs. However, this mounting method has the following disadvantages: firstly, when a worker lifts the cross arm, if wind exists or the lifting of the worker is unstable, the cross arm can swing continuously in the air, so that the lifting is laborious, and the instability of the cross arm increases the risk of dropping the cross arm; when the cross arm is lifted, once the cross arm falls, the falling position cannot be determined, the life safety of people on the ground can be influenced, and the cross arm can be damaged; the cross arm is mostly installed by a U-shaped clamp ring, the contact part of the cross arm and the telegraph pole is a line, so that the cross arm is easy to install and incline, but the inclination angle of the cross arm cannot exceed 15 degrees in the installation standard of the cross arm, so that the installation difficulty is increased; and fourthly, when the cross arm is installed by workers, no protective measures are taken for the cross arm, and if errors occur during installation, the cross arm can fall off to damage the workers on the ground.
The cross arm in the prior art has poor wind resistance, and is easy to incline or even break when encountering strong wind, thereby increasing the cost of power maintenance.
Disclosure of Invention
In order to solve the defects in the prior art, the invention aims to provide the cross arm convenient to mount, so as to achieve the purposes of quick and safe lifting of the cross arm, time and labor saving, no inclination in mounting and good wind resistance when workers mount the cross arm;
the invention also provides a cross arm mounting method, so as to achieve the purposes of good stability, time and labor saving and high safety performance when the cross arm is lifted;
in order to achieve the purpose, the technical scheme adopted by the invention is as follows:
a cross arm convenient to install comprises a first clamp, a second clamp, a first cross arm and a second cross arm, wherein the first clamp and the second clamp are mutually buckled on a telegraph pole;
cavities are formed in the first clamp and the second clamp, sliding devices capable of sliding along a telegraph pole are arranged in the cavities of the first clamp and the second clamp, each sliding device comprises a plurality of connecting rods and a plurality of balls, the connecting rods correspond to the radian of the telegraph pole, the balls are rotatably connected to the connecting rods, bearings are fixedly arranged at two ends of each connecting rod, adjusting bolts are rotatably connected to the bearings, the adjusting bolts are rotatably connected to the first clamp or the second clamp through threads, and openings used for enabling the balls to be in contact with the telegraph pole are formed in the first clamp and the second clamp; the adjusting bolt is sleeved with a spring, the spring is located between the connecting rod and the inner wall of one side far away from the telegraph pole, and the connecting rod can be attached to the telegraph pole under the elastic force action of the spring.
And the wind-proof device is used for preventing the first cross arm and the second cross arm from being blown by wind.
As a limitation of the present invention: the first cross arm and the second cross arm are both angle steel.
As a further limitation of the invention: and two connecting rods of the sliding device are arranged, and seven balls are rotationally connected to each connecting rod.
As another limitation of the present invention: the windproof device is a sleeve respectively sleeved on the first cross arm and the second crosspiece, and the sleeve is respectively fixedly arranged on the first clamp and the second clamp.
The invention also provides a method for facilitating the installation of the cross arm, which comprises the following steps: the installation method is carried out according to the following steps:
the method comprises the following steps: the cross arm is arranged in a split mode to form a first cross arm and a second cross arm, the device for fixing the cross arm is also arranged in a split mode to form a first clamp and a second clamp, the first clamp and the second clamp can be buckled on the telegraph pole, and the first clamp and the second clamp are connected through bolts;
step two: cavities are formed in the first clamp and the second clamp, and are used for mounting sliding devices which enable the first clamp and the second clamp to move up and down along the telegraph pole;
step three: fixing bearings at two ends of the connecting rod, fixing adjusting bolts in the bearings, enabling the adjusting bolts to penetrate through the bearings from the outside of the first clamp or the second clamp and then be in threaded connection with the inner wall of the cavity, meanwhile, sleeving springs on the adjusting bolts, enabling the springs to be located between the bearings and the inner wall, far away from the telegraph pole, in the cavity, when the first cross arm and the second cross arm need to be lifted, rotating the adjusting bolts inwards to enable the balls to be close to the telegraph pole until the balls are located outside the opening of the first clamp or the second clamp, and enabling the balls to automatically adapt to the outer wall of the telegraph pole under the pressure action of the springs and the outer wall of the telegraph pole; when the first cross arm and the second cross arm need to be fixed, the adjusting bolt is screwed outwards to enable the connecting rod to compress the spring until the ball is far away from the telegraph pole, and the inner walls of the first clamp and the second clamp are attached to the telegraph pole;
step four: when the first clamp or the second clamp is connected with the pull rope and the first cross arm and the second cross arm are lifted, a person pulls the pull rope to enable the first clamp and the second clamp to ascend along the telegraph pole through the sliding device.
As a limitation to the mounting method of the present invention: when the people climbed the position of fixed cross arm, at the fixed ring of people's top, install the fixed pulley on fixed ring, make the stay cord bypass the fixed pulley, become the power that draws downwards with the power that upwards promotes.
As a further limitation to the mounting method of the present invention: and when the first cross arm and the second cross arm need to be fixed, the pull rope is fixed on the hanging ring, and after the installation is finished, the pull rope is detached.
Due to the adoption of the technical scheme, compared with the prior art, the invention has the following beneficial effects:
(1) the sliding devices are arranged in the inner cavities of the first clamp and the second clamp, the first clamp and the second clamp are buckled on a telegraph pole, balls on the sliding devices are in contact with the telegraph pole, when the first cross arm and the second cross arm need to be lifted, the balls are in contact with the telegraph pole and in rolling contact, friction force can be reduced, load of a person during lifting is relieved, the first cross arm and the second cross arm can lift along the telegraph pole, time and labor are saved, the first cross arm and the second cross arm cannot rock in the air, even if the first cross arm and the second cross arm fall, the cross arms only fall along the telegraph pole, and safety is high;
meanwhile, the connecting rod is connected with the adjusting bolt through a bearing, the outward rotation and inward rotation of the adjusting bolt can adjust the distance between the connecting rod and a telegraph pole, when the first cross arm and the second cross arm do not need to be lifted, the adjusting bolt can be rotated outwards to enable the ball to be separated from the telegraph pole, the first cross arm and the second cross arm can be fixedly connected with the telegraph pole, the ball on the connecting rod can be automatically adjusted along with the radian of the telegraph pole through the arrangement of the spring, the ball can be tightly combined with the telegraph pole under the action of elasticity, and the situation that the ball is not tightly combined with the telegraph pole due to the radian of the telegraph pole is avoided;
the bearing is fixedly connected with the adjusting bolt, so that when the adjusting bolt rotates, the position of the ball on the connecting rod away from the telegraph pole can be adjusted by only rotating the adjusting bolt, the working difficulty of workers is reduced, and the operation is simpler, more convenient and faster;
the sliding device is accommodated in the cavity, so that the mounting firmness is ensured, the inner walls of the first clamp and the second clamp are in contact with the surface of the wire pole, the surface contact increases the verticality of the cross arm and the wire pole, the mounting difficulty of workers is reduced, and meanwhile, the wind-proof device can ensure that strong wind does not directly act on the cross arm and reduce the influence of the strong wind on the cross arm;
(2) the cross arm is made of angle steel, so that the strength of the cross arm can be increased, and the mass of the cross arm can be reduced;
(3) the sliding device is provided with the two connecting rods, and each connecting rod is provided with the plurality of balls, so that the cross arm is more stable in the process of ascending along the telegraph pole, and the deviation or blockage cannot occur;
(4) the sleeve is sleeved on the first cross arm and the second cross arm, and can bear the impact of strong wind, reduce the vibration of the cross arms and prevent the cross arms from inclining;
(5) the installation method is simple, the safety performance during lifting is high, time and labor are saved, the effect of the balls on the springs can adapt to the taper of the telegraph pole, and the lifting stability can be ensured;
(7) according to the fixed pulley, the lifting force of a person is changed into the pulling force, the lifting of the cross arm is more labor-saving, and the operation difficulty of workers is reduced;
(8) the fixing ring can fix the pull rope, and when the cross arm is installed, even if the cross arm has a downward falling trend, the pull rope is fixed, the pull rope cannot fall, and the safety performance is high.
In conclusion, the invention has the advantages of quick and convenient installation, time-saving and labor-saving lifting process, high safety performance, small working difficulty, good wind resistance, difficult inclination and damage and suitability for all cross arms.
Drawings
The invention is described in further detail below with reference to the following figures and specific examples.
Fig. 1 is a schematic top view of a first cross arm 3 and a second cross arm 4 lifted according to embodiment 1 of the present invention;
fig. 2 is a schematic top structure view of embodiment 1 of the present invention when a first cross arm 3 and a second cross arm 4 are installed;
fig. 3 is a perspective view showing a first yoke 1 according to embodiment 1 of the present invention;
FIG. 4 is a schematic view of an installation structure of an adjusting bolt 6 and a bearing 13 according to embodiment 1 of the present invention;
fig. 5 is a schematic structural diagram of embodiment 2 of the present invention when lifting the first cross arm 3 and the second cross arm 4.
In the figure: 1-first clamp, 2-second clamp, 3-first cross arm, 4-second cross arm, 5-sliding device, 51-connecting rod, 52-ball, 6-adjusting bolt, 7-sleeve, 8-spring, 9-telegraph pole, 10-pull rope, 11-fixed pulley, 12-fixed ring, 13-bearing.
Detailed Description
Preferred embodiments of the present invention will be described below with reference to the accompanying drawings. It should be understood that the cross arm and its method of installation described herein are preferred embodiments, are provided for illustration and explanation of the invention, and are not to be construed as limiting the invention.
EXAMPLE 1 Cross arm easy to install
In this embodiment, as shown in fig. 1 to 4, a cross arm convenient to mount includes a first clamp 1 and a second clamp 2 mutually fastened to a utility pole 9, a first cross arm 3 fixed to the first clamp 1, and a second cross arm 4 fixed to the second clamp 2. First clamp 1 and second clamp 2 pass through bolted connection, first cross arm 3 and second cross arm 4 are the same with the cross arm structure among the prior art, and just divide into two parts with it in this embodiment, and fix respectively on first clamp 1 and second clamp 2, first cross arm 3 and second cross arm 4 are the angle steel.
The first clamp 1 and the second clamp 2 are identical in structure, the inner walls of the first clamp and the second clamp are semicircular, and the first clamp and the second clamp are buckled on the telegraph pole 9 and connected through bolts and nuts when in use. The first clamp 1 and the second clamp 2 of the present embodiment are both 10 cm in height, so that they are in surface contact when they are fastened to the utility pole 9, ensuring concentricity and preventing the first cross arm 3 and the second cross arm 4 from tilting when they are installed. All be equipped with the cavity in first clamp 1 and the second clamp 2, and all be equipped with the opening with the cavity intercommunication on its inner wall, all be equipped with slider 5 in the cavity of first clamp 1 and second clamp 2. Since the first clip 1 and the second clip 2 have the same structure, the first clip 1 will be described as an example.
The sliding device 5 comprises a plurality of connecting rods 51 adapted to the arc of the utility pole 9 and a plurality of balls 52 rotatably connected to the connecting rods 51, i.e. the connecting rods 51 are arranged concentrically with the utility pole 9. The connecting rods 51 of the sliding device 5 are provided with two connecting rods 51, each connecting rod 51 is rotatably connected with seven balls 52, and the balls 52 are positioned at the openings of the first clamp 1 and the second clamp 2.
All be equipped with the safety device against wind that prevents to be blown on first cross arm 3 and the second cross arm 4 of this embodiment, safety device against wind is for cup jointing sleeve 7 on first cross arm 3 and second crosspiece, sleeve 7 sets firmly respectively on first clamp 1 and second clamp 2 to sleeve 7's length is shorter than first cross arm 3 and second cross arm 4, makes the space of installation insulator reserved at the both ends of first cross arm 3 and second cross arm 4.
The working principle of the embodiment is as follows: when promoting first cross arm 3 and second cross arm 4, will first clamp 1 and second clamp 2 lock on wire pole 9 earlier, couple together both through the bolt, nevertheless can not make its and the inseparable lock of wire pole 9, guarantee to have the clearance between first clamp 1 and second clamp 2 and the wire pole 9. Firstly, the adjusting bolt 6 on the first clamp 1 is rotated inwards to drive the connecting rod 51 and the ball 52 to move towards the direction close to the telegraph pole 9, and the adjusting bolt contacts with the telegraph pole 9 at the opening of the first clamp 1; then the adjusting bolt 6 on the second clamp 2 is screwed inwards, the ball 52 on the connecting rod 51 is also contacted with the utility pole 9, then a worker climbing to a high place fixes the rope with the first cross arm 3 or the second cross arm 4, pulls the device to move upwards to reach a position needing to be installed, and in the lifting process, the connecting rod 51 can automatically move in the direction close to or away from the utility pole 9 under the action of the spring 8, and even if the utility pole 9 has a certain taper, the upper part is smaller and smaller, the ball 52 can be well contacted with the utility pole 9. When the utility pole reaches a fixed installation position, the adjusting bolts 6 on the first clamp 1 and the second clamp 2 are rotated outwards, so that the connecting rod 51 moves towards the direction away from the utility pole 9, the balls 52 on the connecting rod 51 are finally accommodated in the cavity, the contact between the inner walls of the first clamp 1 and the second clamp 2 and the utility pole 9 is ensured, and finally the bolts are adjusted to enable the first clamp 1 and the second clamp 2 to tightly hold the utility pole 9, so that the installation is completed.
EXAMPLE 2 method for facilitating Cross arm installation
In this embodiment, as shown in fig. 5, a method for facilitating the installation of a cross arm includes: set up the cross arm components of a whole that can function independently, form first cross arm 3 and second cross arm 4, also components of a whole that can function independently setting with the device of fixed cross arm, form first clamp 1 and second clamp 2, the inner wall radian of first clamp 1 and second clamp 2 is the same with the outer wall radian of wire pole 9, and concentric setting makes first clamp 1 and second clamp 2 ability lock on wire pole 9 promptly, when the lock, passes through bolted connection with first clamp 1 and second clamp 2, and the connection in this step is the pre-connection, guarantees that first clamp 1 and second clamp 2 cup joint on wire pole 9.
Set up the cavity in first clamp 1 and second clamp 2, all install the slider 5 that is used for making first clamp 1 and second clamp 2 move up and down along wire pole 9 in the cavity, with the inner wall upper shed of first clamp 1 and second clamp 2, form the opening with the cavity intercommunication, make slider 5 be located the opening part.
The sliding device 5 can move along the direction close to or far away from the telegraph pole 9, and when the first cross arm 3 and the second cross arm 4 need to be lifted, the ball 52 of the sliding device 5 is attached to the telegraph pole 9; when the first cross arm 3 and the second cross arm 4 need to be fixed, the ball 52 of the sliding device 5 moves away from the utility pole 9, so that the inner walls of the first clamp 1 and the second clamp 2 are attached to the utility pole 9. The method of moving the sliding device 5 closer to or away from the utility pole 9 is: the bearing 13 is fixed at both ends of the connecting rod 51, the adjusting bolt 6 is fixed on the bearing 13, and the adjusting bolt 6 is fixed in an inner cavity after passing through the bearing 13 from the outside of the first clamp 1, and the inner cavity is internally provided with an internal thread for fixing the end part of the adjusting bolt 6. The adjusting bolt 6 is sleeved with a spring 8, one end of the spring 8 is clamped on the bearing 13, one end of the spring 8 is clamped on the inner wall, away from the telegraph pole 9, of the inner cavity of the first clamp 1 or the inner cavity of the second clamp 2, and the connecting rod 51 can move along the direction close to or away from the telegraph pole 9 under the action of the elastic force of the spring 8. The adjusting bolt 6 is screwed inwards to expose the ball 52 on the connecting rod 51 at the opening and contact the utility pole 9, the diameter of the upper part of the utility pole 9 is slightly reduced with the increase of the hoisting height, but the pressure of the spring 8 is reduced under the action of the spring 8, the spring 8 is extended, and the ball 52 on the connecting rod 51 approaches the utility pole 9 to make the ball closely contact the utility pole 9. The adjusting bolt 6 is screwed outwards, so that the ball 52 on the connecting rod 51 is far away from the utility pole 9 and is accommodated in the inner cavity, so that the inner wall of the first clamp 1 is in contact with the utility pole 9, and the inner wall of the second clamp 2 is in contact with the utility pole 9 in the same way. The bolts are then tightened to bring the inner walls of the first and second clamps 1 and 2 into close contact with the pole 9.
When the first clamp 1 or the second clamp 2 is connected to the pull rope 10 and the first cross arm 3 and the second cross arm 4 are lifted up, the person pulls the pull rope 10 to raise the first clamp 1 and the second clamp 2 along the utility pole 9 by the slide device 5. In order to save labor when lifting a worker, when the worker climbs to the position of the fixed cross arm, a fixed ring 12 is fixed above the worker, a fixed pulley 11 is mounted on the fixed ring 12, and a pulling rope 10 is wound around the fixed pulley 11 to change an upward lifting force into a downward pulling force.
In order to ensure the safety during the installation process and prevent the first cross arm 3 or the second cross arm 4 from falling off during the installation process, a hanging ring is arranged on the fixing ring 12, when the first cross arm 3 and the second cross arm 4 need to be fixed, the pull rope 10 is fixed on the hanging ring, and after the installation is completed, the pull rope 10 is detached.
Claims (4)
1. The utility model provides a cross arm convenient to installation which characterized in that: the wire pole clamp comprises a first clamp, a second clamp, a first cross arm and a second cross arm, wherein the first clamp and the second clamp are buckled on a wire pole, the first cross arm is fixedly arranged on the first clamp, the second cross arm is fixedly arranged on the second clamp, and the first clamp and the second clamp are connected through a bolt;
cavities are formed in the first clamp and the second clamp, sliding devices capable of sliding along a telegraph pole are arranged in the cavities of the first clamp and the second clamp, each sliding device comprises a plurality of connecting rods and a plurality of balls, the connecting rods correspond to the radian of the telegraph pole, the balls are rotatably connected to the connecting rods, bearings are fixedly arranged at two ends of each connecting rod, adjusting bolts are rotatably connected to the bearings, the adjusting bolts are rotatably connected to the first clamp or the second clamp through threads, and openings used for enabling the balls to be in contact with the telegraph pole are formed in the first clamp and the second clamp; the adjusting bolt is sleeved with a spring, the spring is positioned between the connecting rod and the inner wall of one side far away from the telegraph pole, and the connecting rod can be attached to the telegraph pole under the elastic force of the spring;
the wind-proof device is used for preventing the first cross arm and the second cross arm from being blown by wind;
the windproof device is a sleeve respectively sleeved on the first cross arm and the second crosspiece, and the sleeve is respectively fixedly arranged on the first clamp and the second clamp.
2. A cross-arm for facilitating installation according to claim 1, wherein: the first cross arm and the second cross arm are both angle steel.
3. The cross-arm of claim 2, wherein: the sliding device is characterized in that two connecting rods are arranged, and seven balls are rotationally connected to each connecting rod.
4. A method of facilitating the installation of a cross arm, comprising: the method comprises the following steps:
the method comprises the following steps: the cross arm is arranged in a split mode to form a first cross arm and a second cross arm, the device for fixing the cross arm is also arranged in a split mode to form a first clamp and a second clamp, the first clamp and the second clamp can be buckled on the telegraph pole, and the first clamp and the second clamp are connected through bolts;
step two: cavities are formed in the first clamp and the second clamp, and are used for mounting sliding devices which enable the first clamp and the second clamp to move up and down along the telegraph pole;
step three: fixing bearings at two ends of the connecting rod, fixing adjusting bolts in the bearings, enabling the adjusting bolts to penetrate through the bearings from the outside of the first clamp or the second clamp and then be in threaded connection with the inner wall of the cavity, meanwhile, sleeving springs on the adjusting bolts, enabling the springs to be located between the bearings and the inner wall of the cavity far away from the telegraph pole, when the first cross arm and the second cross arm need to be lifted, rotating the adjusting bolts inwards to enable the balls to be close to the telegraph pole until the balls are located outside the opening of the first clamp or the second clamp, and enabling the balls to automatically adapt to the outer wall of the telegraph pole under the pressure action of the springs and the outer wall of the telegraph pole; when the first cross arm and the second cross arm need to be fixed, the adjusting bolt is screwed outwards to enable the connecting rod to compress the spring until the ball is far away from the telegraph pole, and the inner walls of the first clamp and the second clamp are attached to the telegraph pole;
step four: connecting the first clamp or the second clamp with the pull rope, and when the first cross arm and the second cross arm are lifted, pulling the pull rope by a person to enable the first clamp and the second clamp to ascend along the telegraph pole through a sliding device;
when a person climbs to the position of the fixed cross arm, a fixed ring is fixed above the person, a fixed pulley is installed on the fixed ring, and a pull rope is made to pass through the fixed pulley to change the upward lifting force into a downward pulling force;
and when the first cross arm and the second cross arm need to be fixed, the pull rope is fixed on the hanging ring, and after the installation is finished, the pull rope is detached.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110619336.6A CN113236011B (en) | 2021-06-03 | 2021-06-03 | Cross arm convenient to install and method for enabling cross arm to be convenient to install |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110619336.6A CN113236011B (en) | 2021-06-03 | 2021-06-03 | Cross arm convenient to install and method for enabling cross arm to be convenient to install |
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| CN113236011A CN113236011A (en) | 2021-08-10 |
| CN113236011B true CN113236011B (en) | 2022-09-23 |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114293836A (en) * | 2021-12-30 | 2022-04-08 | 扬州鑫龙电器有限公司 | Transformer rectifier outlet rod capable of being installed quickly |
| CN115263068B (en) * | 2022-07-12 | 2023-05-26 | 国网河南省电力公司长葛市供电公司 | Telegraph pole tower for power transmission |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19946060A1 (en) * | 1999-09-25 | 2001-04-26 | Abb Patent Gmbh | Method and device for raising and / or restoring masts |
| CN102134931B (en) * | 2011-04-13 | 2012-06-20 | 航天材料及工艺研究所 | Fiberglass reinforced plastic telegraph pole |
| CN203456801U (en) * | 2013-09-27 | 2014-02-26 | 国家电网公司 | Deicer capable of climbing pole automatically |
| CN204252627U (en) * | 2014-11-19 | 2015-04-08 | 国家电网公司 | A kind of cross-arm mounting and positioning device |
| CN204597417U (en) * | 2015-05-28 | 2015-08-26 | 永新电气科技集团有限公司 | A kind of New-style electrical wire cross-arm |
| CN108999458B (en) * | 2018-08-17 | 2020-04-28 | 国家电网有限公司 | Electric power double-cross-arm assembly integral installation equipment and method |
| CN209874632U (en) * | 2019-03-20 | 2019-12-31 | 漯河市永安线路器材有限公司 | Hoop for steel pipe electric pole cross arm |
| CN211229749U (en) * | 2019-11-29 | 2020-08-11 | 河南固强电力器材有限公司 | Fixing piece for preventing cross arm from falling off |
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