CN214273137U

CN214273137U - Box type cross arm for high-voltage terminal tower

Info

Publication number: CN214273137U
Application number: CN202120135796.7U
Authority: CN
Inventors: 杨后文
Original assignee: Shandong Baisde Power Technology Co ltd
Current assignee: Shandong Baisde Power Technology Co ltd
Priority date: 2021-01-19
Filing date: 2021-01-19
Publication date: 2021-09-24
Anticipated expiration: 2031-01-19

Abstract

The utility model discloses a high voltage terminal is box cross arm for shaft tower, including the tower body, the bottom and the ground fixed connection of tower body, the middle part of tower body is equipped with the lightning protection subassembly, and the lightning protection subassembly includes first connecting plate, second connecting plate, first cross arm, lightning rod and ground wire, and one side of first connecting plate is laminated mutually with one side of tower body, and one side of second connecting plate is laminated mutually with the opposite side of tower body, and the both ends of first connecting plate and second connecting plate are all fixed and are equipped with the connecting block, the beneficial effects of the utility model are that: be equipped with the tower body and come connecting wire and bear the tension of wire, the connecting block through first connecting plate and second connecting plate cooperatees and fixes first connecting plate and second connecting plate on the tower body, fixes first cross arm through first connecting plate, can dismantle first cross arm through the bolt that gradually becomes flexible when staff dismantles first cross arm, can guarantee through the insulator that wire and cross arm, shaft tower have sufficient insulation.

Description

Box type cross arm for high-voltage terminal tower

Technical Field

The utility model relates to a box cross arm, in particular to box cross arm for high voltage terminal shaft tower belongs to high voltage terminal shaft tower technical field.

Background

The terminal tower is a tower used for bearing the tension of a wire at one end of a line, and the cross arm is a horizontal cross beam or a cantilever beam for hanging the wire on the electric line tower through a strain insulator string. The horizontal length of the cross arm is determined according to the minimum safe distance between the wire and the ground and the like, the horizontal length of the cross arm is determined according to the number of loops of the suspended wire, the cross arm can be arranged in a single-layer or multi-layer mode, a steel truss is generally adopted and is connected with a tower body into a whole, and the cross arm is called a porcelain cross arm when the wire is supported by an insulating porcelain material on a low-voltage line.

When using the cross arm to carry out fixed line to current most high voltage terminal shaft tower, in order to avoid the wire to rock, often can be too fixed with the cross arm, the follow-up dismantlement of not being convenient for is maintained and is changed the operation such as, in high voltage terminal shaft tower department, causes destruction to the wire more easily during thunderstorm weather moreover, if can not carry out the water conservancy diversion and make the damage of wire on a large scale cause the loss easily.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a box cross arm is used to high voltage terminal shaft tower to solve the most current high voltage terminal shaft towers who provides among the above-mentioned background art and rock too fixed cross arm for avoiding the wire, be not convenient for dismantle and receive the problem that thunderstorm weather influences the damage wire more easily at high voltage terminal pole.

In order to achieve the above object, the utility model provides a following technical scheme: a box-type cross arm for a high-voltage terminal tower comprises a tower body, wherein the bottom end of the tower body is fixedly connected with the ground, a lightning protection assembly is arranged in the middle of the tower body and comprises a first connecting plate, a second connecting plate, a first cross arm, a lightning rod and a ground wire, one side of the first connecting plate is attached to one side of the tower body, one side of the second connecting plate is attached to the other side of the tower body, connecting blocks are fixedly arranged at two ends of the first connecting plate and the second connecting plate respectively, every two corresponding connecting blocks are fixedly connected through a bolt, the first connecting plate and the second connecting plate are of semicircular structures, a first cross arm is fixedly arranged at the other side of the first connecting plate, a plurality of insulators are fixedly arranged at the top end of the first cross arm, the lightning rod is fixedly arranged at the top end of the first cross arm, a gasket corresponding to the lightning rod is fixedly arranged at the top end of the first cross arm, the gasket is made of rubber materials, a ground wire is fixedly arranged at the bottom end of the lightning rod, and one end of the ground wire is fixedly connected with the ground.

As a preferred technical scheme of the utility model, the bottom mounting of first cross arm is equipped with the spike, the bottom mounting of spike is equipped with the fixed plate, fixation nut fixedly connected with staple bolt is passed through to the both sides of fixed plate, the staple bolt is U type staple bolt.

As a preferred technical scheme of the utility model, the fixed bracing piece that is equipped with two and tower body corresponding, two on the top on ground the top of bracing piece is all fixed and is equipped with the second cross arm, two the both sides of second cross arm bottom are all fixed and are equipped with the dead lever, four the one end of dead lever respectively with two the both sides fixed connection of bracing piece.

As a preferred technical scheme of the utility model, the surface of tower body and two the surface of bracing piece is all fixed and is equipped with a plurality of logical line piece, a plurality of logical line hole has all been seted up on the surface of logical line piece.

As an optimized technical scheme of the utility model, the bottom mounting of tower body is equipped with the base.

As a preferred technical scheme of the utility model, the surface of first cross arm and the surface of second cross arm all coat and have the galvanizing coat.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model relates to a box cross arm for high voltage terminal shaft tower, it comes connecting wire and bears the tension of wire to be equipped with the tower body, the connecting block through first connecting plate and second connecting plate cooperatees and fixes first connecting plate and second connecting plate on the tower body, fix first cross arm through first connecting plate, when the staff dismantles first cross arm, can dismantle first cross arm through progressively not hard up the bolt, can guarantee wire and cross arm, shaft tower have sufficient insulation through the insulator, and can bear the stronger pulling force of wire, lead in the electric current that the thunder and lightning produced into ground in thunderstorm weather through lightning rod and ground wire cooperation, avoid flowing at high voltage terminal shaft tower and cause the damage of wire, further prevent the electric current to pass through the gasket; fix the fixed plate on the tower body through U type staple bolt, through the fixed spike of fixed plate, cooperate through spike and fixed plate and further fix rocking that first cross arm prevented the wire, avoided the problem that first cross arm is difficult to the dismantlement simultaneously.

Drawings

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic sectional structure of the present invention;

fig. 3 is a schematic view of a local structure of the lightning protection assembly of the present invention.

In the figure: 1. a tower body; 2. a ground surface; 3. an insulator; 4. a lightning protection component; 41. a first connecting plate; 42. a second connecting plate; 43. a first cross arm; 44. a lightning rod; 45. a ground wire; 5. a gasket; 6. a brace; 7. a fixing plate; 8. hooping; 9. a support bar; 10. fixing the rod; 11. a second cross arm; 12. a wire passing block; 13. a base.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a box type cross arm for a high voltage terminal tower, comprising a tower body 1, wherein the bottom end of the tower body 1 is fixedly connected to the ground 2, the tower body 1 is provided with a connecting wire for connecting the wire and bearing the tension of the wire, the middle part of the tower body 1 is provided with a lightning protection assembly 4, the lightning protection assembly 4 comprises a first connecting plate 41, a second connecting plate 42, a first cross arm 43, a lightning rod 44 and a ground wire 45, one side of the first connecting plate 41 is attached to one side of the tower body 1, one side of the second connecting plate 42 is attached to the other side of the tower body 1, both ends of the first connecting plate 41 and the second connecting plate 42 are fixedly provided with connecting blocks, the first connecting plate 41 and the second connecting plate 42 are fixed on the tower body 1 by the connecting blocks of the first connecting plate 41 and the second connecting plate 42 being matched, every two corresponding connecting blocks are fixedly connected by bolts, the first connecting plate 41 and the second connecting plate 42 are both in a semicircular structure, the other side of the first connecting plate 41 is fixedly provided with a first cross arm 43, the first cross arm 43 is fixed through the first connecting plate 41, when an operator detaches the first cross arm 43, the first cross arm 43 can be detached through gradually loosening bolts, the top end of the first cross arm 43 is fixedly provided with a plurality of insulators 3, the conductor, the cross arm and a tower can be ensured to be sufficiently insulated through the insulators 3 and can bear stronger tension of the conductor, the top end of the first cross arm 43 is fixedly provided with a lightning rod 44, the top end of the first cross arm 43 is fixedly provided with a gasket 5 corresponding to the lightning rod 44, the gasket 5 is made of rubber, the bottom end of the lightning rod 44 is fixedly provided with a ground wire 45, one end of the ground wire 45 is fixedly connected with the ground 2, the current generated by lightning is guided into the ground 2 through the lightning rod 44 and the ground wire 45 matching in the thunderstorm, and the damage of the conductor caused by the flow of the high-voltage terminal is avoided, the current is further prevented from passing through by the spacer 5.

Preferably, the bottom end of the first cross arm 43 is fixedly provided with a supporting leg 6, the bottom end of the supporting leg 6 is fixedly provided with a fixing plate 7, two sides of the fixing plate 7 are fixedly connected with hoops 8 through fixing nuts, the hoops 8 are U-shaped hoops, the fixing plate 7 is fixed on the tower body 1 through the U-shaped hoops 8, the supporting legs 6 are fixed through the fixing plate 7, the first cross arm 43 is further fixed through the matching of the supporting legs 6 and the fixing plate 7 to prevent the lead from shaking, and meanwhile, the problem that the first cross arm 43 is difficult to disassemble is avoided; the top end of the ground 2 is fixedly provided with two support rods 9 corresponding to the tower body 1, the top ends of the two support rods 9 are respectively fixedly provided with a second cross arm 11, two sides of the bottom ends of the two second cross arms 11 are respectively fixedly provided with a fixed rod 10, one end of each fixed rod 10 is respectively fixedly connected with two sides of the two support rods 9, wires are respectively guided to be connected through the two second cross arms 11, and the second cross arms 11 are respectively fixed through the fixed rods 10; the surface of the tower body 1 and the surfaces of the two support rods 9 are both fixedly provided with a plurality of wire passing blocks 12, the surfaces of the plurality of wire passing blocks 12 are both provided with wire passing holes, and wires are dredged through the wire passing blocks 12 to avoid damage caused by winding; the bottom end of the tower body 1 is fixedly provided with a base 13, and the tower body 1 is further manufactured through the base 13; the surface of the first cross arm 43 and the surface of the second cross arm 11 are coated with zinc coatings, and the first cross arm 43 and the second cross arm 11 are added through the zinc coatings, so that the service life is prolonged.

When the box type cross arm is used, firstly, when the first cross arm 43 is replaced, the fixing nut at the position of the fixing plate 7 can be adjusted firstly, the fixing plate 7 and the supporting feet 6 are loosened, then, the bolts at the positions of the first connecting plate 41 and the second connecting plate 42 are adjusted, the first cross arm 43 can be taken down from the tower body 1 by gradual loosening, operations such as replacement of the first cross arm 43 are carried out, when the box type cross arm is repaired and installed, the first connecting plate 41 and the second connecting plate 42 are adjusted firstly, the supporting feet 6 are fixed through the hoop 8 after the fixing positions are fixed, the supporting feet 6 are fixed through the hoop 8 and the fixing plate 7, the first cross arm 43 can be further fixed through the supporting feet 6, the phenomenon that the conductor shakes on the first lightning-protection cross arm 43 to influence severe shaking of the conductor to cause damage is avoided, the box type cross arm is made in thunderstorm weather, the generated current is guided to the ground 2 from the ground wire 45 through the needle 44, the wires are prevented from being damaged due to load of the wires caused by the fact that current flows on the first cross arm 43, the wires are combed through the wire passing block 12 when the wires are installed, and overstock damage and the like caused by winding of the wires are avoided.

In the description of the present invention, it should be understood that the indicated orientation or positional relationship is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention.

In the present invention, unless otherwise explicitly specified or limited, for example, it may be fixedly connected, detachably connected, or integrated; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A box-type cross arm for a high-voltage terminal tower comprises a tower body (1) and is characterized in that the bottom end of the tower body (1) is fixedly connected with the ground (2), a lightning protection component (4) is arranged in the middle of the tower body (1), the lightning protection component (4) comprises a first connecting plate (41), a second connecting plate (42), a first cross arm (43), a lightning rod (44) and a ground wire (45), one side of the first connecting plate (41) is attached to one side of the tower body (1), one side of the second connecting plate (42) is attached to the other side of the tower body (1), connecting blocks are fixedly arranged at two ends of the first connecting plate (41) and the second connecting plate (42), every two corresponding connecting blocks are fixedly connected through bolts, the first connecting plate (41) and the second connecting plate (42) are of a semicircular structure, a first cross arm (43) is fixedly arranged at the other side of the first connecting plate (41), the fixed a plurality of insulator (3) that is equipped with in top of first cross arm (43), the fixed lightning rod (44) that is equipped with in top of first cross arm (43), the fixed gasket (5) that are equipped with and lightning rod (44) corresponding in top of first cross arm (43), gasket (5) are made for the rubber material, the bottom mounting of lightning rod (44) is equipped with ground wire (45), the one end and ground (2) fixed connection of ground wire (45).

2. The box type cross arm for the high voltage terminal tower as claimed in claim 1, wherein: the bottom mounting of first cross arm (43) is equipped with spike (6), the bottom mounting of spike (6) is equipped with fixed plate (7), fixation nut fixedly connected with staple bolt (8) is passed through to the both sides of fixed plate (7), staple bolt (8) are U type staple bolt.

3. The box type cross arm for the high voltage terminal tower as claimed in claim 1, wherein: the top of ground (2) is fixed to be equipped with two bracing pieces (9) corresponding with tower body (1), two the top of bracing piece (9) is all fixed to be equipped with second cross arm (11), two the both sides of second cross arm (11) bottom are all fixed to be equipped with dead lever (10), four the one end of dead lever (10) respectively with two the both sides fixed connection of bracing piece (9).

4. The box type cross arm for the high voltage terminal tower as claimed in claim 3, wherein: the surface of tower body (1) and two the surface of bracing piece (9) all is fixed and is equipped with a plurality of logical line piece (12), a plurality of the line hole has all been seted up on the surface of logical line piece (12).

5. The box type cross arm for the high voltage terminal tower as claimed in claim 1, wherein: the bottom end of the tower body (1) is fixedly provided with a base (13).

6. The box type cross arm for the high voltage terminal tower as claimed in claim 1, wherein: the surfaces of the first cross arm (43) and the second cross arm (11) are coated with zinc coatings.