CN114135144B

CN114135144B - Assembled cross arm structure applied to electric tower

Info

Publication number: CN114135144B
Application number: CN202111319655.1A
Authority: CN
Inventors: 李俊东
Original assignee: Dongtai Xinjieke Material Co ltd
Current assignee: Dongtai Xinjieke Material Co ltd
Priority date: 2021-11-09
Filing date: 2021-11-09
Publication date: 2023-06-02
Anticipated expiration: 2041-11-09
Also published as: CN114135144A

Abstract

The invention discloses an assembled cross arm structure applied to an electric tower, which relates to the technical field of electric iron components, in particular to an assembled cross arm structure applied to an electric tower. This be applied to assembled cross arm structure of electric pylon through designing into assembled structure with the cross arm, can transport the subassembly of cross arm to the eminence earlier, then assemble the cross arm subassembly, reduced the volume when the cross arm was carried, reduced the degree of difficulty of carrying, adopted two cross arm structures simultaneously, improved the wind-resistant ability of cross arm under the strong wind condition, prevented that the cross arm from being blown by strong wind.

Description

Assembled cross arm structure applied to electric tower

Technical Field

The invention relates to the technical field of electric towers, in particular to an assembled cross arm structure applied to an electric tower.

Background

The tower of an overhead transmission line is a supporting structure for supporting conductors and lightning conductors. The electric power tower can meet the distance limiting requirements on the ground and the ground objects, can bear the load and external load of the lead, the lightning conductor and the electric power tower, and is generally divided into: the wine glass type, cat head type, upper character type, dry character type and barrel type are divided into five types according to the purposes: the structure of the tower type strain insulator tower, the tangent tower, the corner tower, the transposition tower (the wire phase position replacing tower), the terminal tower, the crossing tower and the like is characterized in that various tower type structures belong to a space truss structure, and the rod piece mainly consists of single equilateral angle steel or combined angle steel. The cross arm is an important component in the electric tower and is used for installing insulators and hardware fittings to support wires and lightning conductors and keep certain safety distance according to regulations.

The existing cross arm rod piece is mainly formed by welding single equilateral angle steel or combined angle steel, the whole cross arm structure is an integer, the size of the cross arm is large, the difficulty of a person in transporting the cross arm to the high altitude is large, meanwhile, the wind resistance of the single cross arm is poor, the single cross arm is easily blown out by wind in windy weather, the structural strength is not high enough, the angle steel iron cross arm is poor in insulativity, lightning stroke conductive accidents frequently occur, lightning stroke tripping accidents frequently occur, the rust resistance and corrosion resistance are easy to be weak, the strength of the porcelain cross arm is not enough, and the bending resistance is insufficient.

Disclosure of Invention

Aiming at the defects of the prior art, the invention provides an assembled cross arm structure applied to an electric tower, which solves the problems in the prior art.

In order to achieve the above purpose, the invention is realized by the following technical scheme: the utility model provides an assembled cross arm structure for electric tower, includes first cross arm subassembly, electric tower, both ends fixedly connected with connects the tenon about the first cross arm subassembly, fixedly connected with connects limit one about the first cross arm subassembly on the upper and lower surface at both ends, both ends are connected with the second cross arm subassembly about the first cross arm subassembly, the one end that the second cross arm subassembly is close to the first cross arm subassembly has been seted up and has been connected the tongue-and-groove, connect tenon and connect tongue-and-groove assorted, the second cross arm subassembly is close to fixedly connected with on the upper and lower surface of first cross arm subassembly one end and connects limit two, connect limit two and connect limit one assorted, the spout has been seted up to the inside of second cross arm subassembly, the inside joint of spout has the third cross arm subassembly, the left end of third cross arm subassembly extends to the outside of second cross arm subassembly, the top fixed mounting of third cross arm subassembly has the ceramic plate, the mounting hole has been seted up at the top, the top fixedly connected with ceramic plate of fender bottom of third cross arm subassembly, the ceramic bridge bottom of third cross arm subassembly has the ceramic bridge structure.

Optionally, the inboard fixedly connected with of first cross arm subassembly presss from both sides tight piece, the inboard of pressing from both sides tight piece is circular-arc, first cross arm subassembly symmetric distribution is in the both sides of electric tower, press from both sides tight piece and press from both sides tightly in the outside of electric tower.

Optionally, the connection tenon joint is in the inside of connecting the tongue-and-groove, connect limit one and connect limit two laminating together, connect limit one and connect the inside threaded connection of limit two and have connecting bolt, connect limit one and connect limit two and pass through connecting bolt to be connected together.

Optionally, the first spacing hole has been seted up to the bottom of second cross arm subassembly, the second spacing hole has been seted up to the bottom of third cross arm subassembly, spacing hole first and spacing Kong Erxiang adaptation, limit bolt has been cup jointed to limit hole first's bottom screw thread, limit bolt's top screw thread cover is received the inside of spacing hole second.

Optionally, the mounting holes are distributed at the top of the ceramic plate at equal intervals, the ceramic baffle plates are positioned between two adjacent mounting holes, and the mounting holes and the ceramic baffle plates are distributed at intervals.

Optionally, the connecting hole has been seted up to the inside of first cross arm subassembly, connecting hole symmetric distribution is in the left and right sides of pressing from both sides tight piece, connecting screw has been cup jointed in the inside activity of connecting hole, connecting screw's the other end screw thread has cup jointed connecting nut, connecting screw links together two first cross arm subassemblies.

Optionally, the bottom of second cross arm subassembly is installed and is strengthened the bracing plate, the both ends screw thread of strengthening the bracing plate has been cup jointed fixing bolt one, the inside in spacing hole one is received to fixing bolt one's top screw thread cover, the structure of strengthening the bracing plate and second cross arm subassembly constitution is the zigzag.

Optionally, the bracing frame framework is including staple bolt, diagonal bracing and supporting seat, the quantity of staple bolt has two and symmetry suit on the pylon, two threaded connection has fastening bolt before the staple bolt, the outside of staple bolt is in the same place with the bottom activity of diagonal bracing, the top of diagonal bracing is in the same place with the bottom activity of supporting seat, fixing bolt two has been cup jointed to the both ends screw thread of supporting seat, the supporting seat passes through fixing bolt two and installs the bottom at third cross arm subassembly.

The invention provides an assembled cross arm structure applied to an electric tower, which has the following beneficial effects:

1. this be applied to assembled cross arm structure of electric pylon through designing into assembled structure with the cross arm, can transport the subassembly of cross arm to the eminence earlier, then assemble the cross arm subassembly, reduced the volume when the cross arm was carried, reduced the degree of difficulty of carrying, adopted two cross arm structures simultaneously, improved the wind-resistant ability of cross arm under the strong wind condition, prevented that the cross arm from being blown by strong wind.

2. This be applied to assembled cross arm structure of electric tower, through the cooperation of second cross arm subassembly and third cross arm subassembly use, adjust the length of third cross arm subassembly in the second cross arm subassembly, then use stop bolt to fix the third cross arm subassembly, can adjust the length of whole cross arm, conveniently change the distance at cross arm both ends, be convenient for bear different specification wires, avoid mutual interference between the both sides wire, through set up the ceramic plate at the top of third cross arm subassembly, ceramic plate and ceramic separation blade can play insulating isolation's effect, avoid mutual interference between the insulator, the insulating nature of cross arm has been improved, the third cross arm subassembly of ceramic plate bottom also can improve the intensity of ceramic plate simultaneously, prevent the cracked condition from appearing in the ceramic plate.

3. This be applied to assembled cross arm structure of electric pylon utilizes the enhancement diagonal bracing board to connect two cross arms through setting up the enhancement diagonal bracing board, has improved the structural strength between the cross arm, is favorable to keeping the stable in structure between two cross arms, prevents that the cross arm from warp, through setting up the diagonal bracing structure in the bottom of cross arm structure, utilizes the diagonal bracing structure to support the cross arm structure end, has improved the bearing capacity of cross arm structure, prevents that the cross arm structure from being bent or pressed, and the supporting seat links together the end of two cross arm structures simultaneously, makes the firm stability that whole cross arm structure is more.

Drawings

FIG. 1 is a schematic diagram of the structure of the present invention;

FIG. 2 is a schematic view of another angle of the present invention;

FIG. 3 is a schematic view of the cross arm structure of the present invention;

FIG. 4 is a schematic view of the cross arm structure of the present invention when the cross arm structure is disassembled;

fig. 5 is a schematic structural view of the diagonal brace structure of the present invention.

In the figure: 1. a first cross arm assembly; 2. a clamping block; 3. a connecting tenon; 4. a first connecting edge; 5. a connecting bolt; 6. a second cross arm assembly; 7. a connecting tongue-and-groove; 8. connecting the second edge; 9. a chute; 10. a third cross arm assembly; 11. a first limiting hole; 12. a limit bolt; 13. a limiting hole II; 14. a ceramic plate; 15. a mounting hole; 16. a ceramic baffle; 17. a connection hole; 18. a connecting screw; 19. reinforcing the inclined supporting plate; 20. a first fixing bolt; 21. a hoop; 22. a fastening bolt; 23. a diagonal brace; 24. a support base; 25. a second fixing bolt; 26. a connecting nut; 27. an electric tower.

Description of the embodiments

The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments.

Referring to fig. 1 and fig. 4, the present invention provides a technical solution: the utility model provides an assembled cross arm structure for electric tower, including first cross arm subassembly 1, electric tower 27, the inboard fixedly connected with clamp block 2 of first cross arm subassembly 1, clamp block 2's inboard is circular-arc, first cross arm subassembly 1 symmetric distribution is in electric tower 27's both sides, clamp block 2 presss from both sides tightly in electric tower 27's outside, first cross arm subassembly 1's left and right sides fixedly connected with connects tenon 3, through all setting up first cross arm subassembly 1 in first cross arm subassembly 1's both sides, adopt the double-cross arm structure, the wind resistance of cross arm under the heavy wind condition has been improved, prevent that the cross arm from being blown by the heavy wind, first cross arm subassembly 1's upper and lower surface at both ends about fixedly connected with connection limit one, first cross arm subassembly 1's left and right ends are connected with second cross arm subassembly 6, second cross arm subassembly 6 is close to first cross arm subassembly 1's one end and has been seted up and has been connected tenon groove 7, the connecting tenon 3 is matched with the connecting tenon groove 7, the first cross arm component 1 and the second cross arm component 6 are connected through a clamping structure, the cross arms are designed into an assembled structure, the components of the cross arms can be transported to a high position firstly, then the cross arm components are assembled, the volume of the cross arms during transportation is reduced, the transportation difficulty is reduced, the connecting edge two 8 is fixedly connected to the upper surface and the lower surface of the end, close to the first cross arm component 1, of the second cross arm component 6, the connecting edge two 8 is matched with the connecting edge one 4, the connecting tenon 3 is clamped inside the connecting tenon groove 7, the connecting edge one 4 is attached to the connecting edge two 8, the connecting edge one 4 is connected with the connecting bolt 5 through the internal threads of the connecting edge two 8, the connecting edge one 4 is connected with the connecting edge two 8 through the connecting bolt 5, the connecting edge two 6 is connected with the first cross arm component 1 through the connecting bolt 5, the firmness of connection between the second cross arm assembly 6 and the first cross arm assembly 1 is improved, and loosening between the second cross arm assembly 6 and the first cross arm assembly 1 is prevented.

Referring to fig. 1 to 2, a chute 9 is formed in the second cross arm assembly 6, a third cross arm assembly 10 is clamped in the chute 9, the left end of the third cross arm assembly 10 extends to the outside of the second cross arm assembly 6, a first limiting hole 11 is formed in the bottom of the second cross arm assembly 6, a second limiting hole 13 is formed in the bottom of the third cross arm assembly 10, the first limiting hole 11 is matched with the second limiting hole 13, a limiting bolt 12 is sleeved on the bottom thread of the first limiting hole 11, the length of the third cross arm assembly 10 in the second cross arm assembly 6 is adjusted through the matched use of the second cross arm assembly 6 and the third cross arm assembly 10, then the third cross arm assembly 10 is fixed through the limiting bolt 12, the length of the whole cross arm can be adjusted, the distance between two ends of the cross arm is conveniently changed, wires with different specifications are conveniently carried, mutual interference between wires on two sides is avoided, and the top thread of the limiting bolt 12 is sleeved in the inside the second limiting hole 13.

Referring to fig. 3 and 4, the ceramic plate 14 is fixedly installed at the top of the third cross arm assembly 10, the mounting holes 15 are formed in the top of the ceramic plate 14, the ceramic baffle 16 is fixedly connected to the top of the ceramic plate 14, the mounting holes 15 are distributed at the top of the ceramic plate 14 at equal intervals, the ceramic baffle 16 is located between two adjacent mounting holes 15, the ceramic plate 14 and the ceramic baffle 16 can play an insulating and isolating role by arranging the ceramic plate 14 at the top of the third cross arm assembly 10, mutual interference between insulators is avoided, the insulativity of the cross arms is improved, meanwhile, the strength of the ceramic plate 14 can be improved by the third cross arm assembly 10 at the bottom of the ceramic plate 14, the ceramic plate 14 is prevented from being broken, and the mounting holes 15 and the ceramic baffle 16 are distributed alternately.

Referring to fig. 2 and 3, the first cross arm assembly 1 is provided with connecting holes 17, the connecting holes 17 are symmetrically distributed on the left and right sides of the clamping block 2, connecting screws 18 are movably sleeved in the connecting holes 17, connecting nuts 26 are sleeved on the other ends of the connecting screws 18 in a threaded manner, the connecting screws 18 are used for connecting the two first cross arm assemblies 1 together, the connecting screws 18 are used for connecting the two first cross arm assemblies 1, the two first cross arm assemblies 1 are clamped outside the electric tower 27, the first cross arm assemblies 1 can be fixed on the electric tower 27, reinforcing inclined support plates 19 are mounted at the bottoms of the second cross arm assemblies 6, fixing bolts 20 are sleeved at the two ends of the reinforcing inclined support plates 19 in a threaded manner, the top of each fixing bolt 20 is sleeved in the corresponding limiting hole 11, the reinforcing inclined support plates 19 and the second cross arm assemblies 6 form a Z-shaped structure, the reinforcing inclined support plates 19 are used for connecting the two cross arms, the structural strength between the two cross arms is improved, and the two stable cross arms are kept between the two stable structures, and deformation is prevented.

Referring to fig. 2 and 5, an inclined strut structure is mounted at the bottom of the third cross arm assembly 10, the inclined strut structure comprises two anchor clamps 21, inclined struts 23 and supporting seats 24, the anchor clamps 21 are symmetrically sleeved on the electric towers 27, fastening bolts 22 are connected to the front ends of the two anchor clamps 21 in a threaded manner, the outer sides of the anchor clamps 21 are movably sleeved with the bottom of the inclined struts 23, the top of the inclined struts 23 are movably sleeved with the bottom of the supporting seats 24, the end of the cross arm structure is supported by the inclined strut structure, the bearing capacity of the cross arm structure is improved, the cross arm structure is prevented from being bent or broken, meanwhile, the supporting seats 24 connect the ends of the two cross arm structures together, the whole cross arm structure is more firmly and stably, two ends of the supporting seats 24 are in threaded sleeve connection with fixing bolts II 25, and the supporting seats 24 are mounted at the bottom of the third cross arm assembly 10 through the fixing bolts II 25.

In summary, this be applied to assembled cross arm structure of electric pylon, during the use, place the both sides of electric pylon 27 with two first cross arm subassemblies 1 symmetry, make clamping block 2 laminating at the surface of electric pylon 27, then use connecting screw 18 to fix two first cross arm subassemblies 1, afterwards connect the tongue-and-groove 7 joint of second cross arm subassembly 6 one end to connect tenon 3, use connecting bolt 5 to link together first cross arm subassembly 1 and second cross arm subassembly 6, again with third cross arm subassembly 10 joint to spout 9's inside, adjust the length that third cross arm subassembly 10 stretches out, afterwards use stop bolt 12 to link together third cross arm subassembly 10 and second cross arm subassembly 6, then place the bottom of second cross arm subassembly 6 with reinforcing diagonal brace 19, use fixing bolt one 20 to fix reinforcing diagonal brace 19, finally install the support seat 24 to the bottom at the end of third cross arm subassembly 10, use fixing bolt two 25 to fix the support seat 24, again with the suit 21 on electric pylon 27, install the hole after using fixing bolt 21 to install 15, can accomplish the insulator.

In the description of the present invention, it should be noted that, directions or positional relationships indicated by terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., are based on directions or positional relationships shown in the drawings, are merely for convenience of description and simplification of description, and do not indicate or imply that the apparatus or element to be referred to must have a specific direction, be constructed and operated in the specific direction, and thus should not be construed as limiting the present invention; the terms "first," "second," "third," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "coupled," and the like are to be construed broadly, and may be fixedly coupled, detachably coupled, or integrally coupled, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

The present invention is not limited to the above-mentioned embodiments, and any person skilled in the art, based on the technical solution of the present invention and the inventive concept thereof, can be replaced or changed within the scope of the present invention.

Claims

1. Be applied to assembled cross arm structure of electric tower, including first cross arm subassembly (1), electric tower (27), its characterized in that: the inside fixedly connected with clamp block (2) of first cross arm subassembly (1), the inboard of clamp block (2) is circular-arc, first cross arm subassembly (1) symmetric distribution is in the both sides of electric pylon (27), clamp block (2) clamp in the outside of electric pylon (27), the upper and lower surface fixedly connected with connection tenon (3) of both ends about first cross arm subassembly (1), fixedly connected with connection limit (4) on the upper and lower surface of both ends about first cross arm subassembly (1), the both ends are connected with second cross arm subassembly (6) about first cross arm subassembly (1), connecting groove (7) have been seted up to the one end that second cross arm subassembly (6) are close to first cross arm subassembly (1), connecting tenon (3) and connecting tongue groove (7) assorted, the upper and lower surface that second cross arm subassembly (6) is close to first cross arm subassembly (1) one end is connected with connection limit (8), connecting limit (8) are connected with second cross arm subassembly (6) and third cross arm subassembly (10) are equipped with inside (10) respectively, the inside (10) of extension cross arm subassembly (10), mounting holes (15) are formed in the top of the ceramic plate (14), ceramic baffle plates (16) are fixedly connected to the top of the ceramic plate (14), the mounting holes (15) are distributed at the top of the ceramic plate (14) at equal intervals, the ceramic baffle plates (16) are located between two adjacent mounting holes (15), the mounting holes (15) and the ceramic baffle plates (16) are distributed alternately, and an inclined strut structure is mounted at the bottom of the third cross arm assembly (10).

2. An assembled crossarm structure for an electric tower as claimed in claim 1, wherein: the connecting tenon (3) is clamped inside the connecting tenon groove (7), the first connecting edge (4) is attached to the second connecting edge (8), connecting bolts (5) are connected to the first connecting edge (4) and the second connecting edge (8) through internal threads, and the first connecting edge (4) and the second connecting edge (8) are connected through the connecting bolts (5).

3. An assembled crossarm structure for an electric tower as claimed in claim 1, wherein: limiting holes I (11) are formed in the bottom of the second cross arm assembly (6), limiting holes II (13) are formed in the bottom of the third cross arm assembly (10), the limiting holes I (11) are matched with the limiting holes II (13), limiting bolts (12) are sleeved on the bottom threads of the limiting holes I (11), and the top threads of the limiting bolts (12) are sleeved in the limiting holes II (13).

4. An assembled crossarm structure for an electric tower as claimed in claim 1, wherein: the inside of first cross arm subassembly (1) has seted up connecting hole (17), connecting hole (17) symmetric distribution is in the left and right sides of pressing from both sides tight piece (2), connecting screw (18) have been cup jointed in the inside activity of connecting hole (17), connecting screw (26) have been cup jointed to the other end screw thread of connecting screw (18), connecting screw (18) are in the same place two first cross arm subassemblies (1).

5. An assembled crossarm structure for an electric tower as claimed in claim 1, wherein: the bottom of second cross arm subassembly (6) is installed and is strengthened bracing plate (19), the both ends screw thread of strengthening bracing plate (19) has been cup jointed fixing bolt one (20), the inside of spacing hole one (11) is received to the top screw thread cover of fixing bolt one (20), the structure of strengthening bracing plate (19) and second cross arm subassembly (6) constitution is the zigzag.

6. An assembled crossarm structure for an electric tower as claimed in claim 1, wherein: the diagonal bracing frame structure comprises anchor clamps (21), diagonal bracing rods (23) and supporting seats (24), wherein the anchor clamps (21) are two in number and symmetrically sleeved on an electric tower (27), the anchor clamps (21) are connected with fastening bolts (22) in front of the anchor clamps in a threaded mode, the outer sides of the anchor clamps (21) are movably sleeved with the bottoms of the diagonal bracing rods (23) together, the tops of the diagonal bracing rods (23) are movably sleeved with the bottoms of the supporting seats (24) together, two ends of each supporting seat (24) are sleeved with two fixing bolts (25) in a threaded mode, and each supporting seat (24) is mounted at the bottom of a third cross arm assembly (10) through the two fixing bolts (25).