CN219386730U - Wind vibration control device of steel pipe tower - Google Patents

Abstract

The utility model relates to the technical field of steel tube towers, in particular to a wind vibration control device of a steel tube tower, which comprises two hoops and spoiler assemblies, wherein the two hoops and the spoiler assemblies are arranged on the outer wall of a steel tube, the hoops are arranged at two ends of the steel tube, the spoiler assemblies take the axis of the steel tube as an axis and are in annular array on the outer side of the steel tube, each spoiler assembly comprises a base plate and a spoiler group, the base plate is in a square structure, the two ends of the base plate are respectively connected with the inner end face of the hoop, the spoiler groups are arranged on the outer wall of the base plate at equal intervals, and each spoiler group consists of two spoiler plates in an eight shape. According to the utility model, the two ends of the base plate fixed with the spoiler group are respectively fixed at the inner ends of the two anchor ears, the length of the base plate can be set adaptively according to the length of the steel pipe, and the spoiler group is not required to be fixed on the anchor ears, so that the cost of the device is greatly reduced; the pneumatic appearance of the steel pipe is changed through the spoiler group, and the vibration of the circular section of the steel pipe is restrained, so that the wind vibration of the steel pipe tower is controlled.

Description

Wind vibration control device of steel pipe tower

Technical Field

The utility model relates to the technical field of steel pipe towers, in particular to a wind vibration control device of a steel pipe tower.

Background

A steel pipe tower is composed of steel pipes as main components and steel pipes or section steel as other components. Is a support structure for overhead transmission lines to support conductors and lightning conductors. The lead meets the distance limiting requirement on the ground and the ground feature, and can bear the load and external load of the lead, the lightning conductor and the lead.

The steel pipe tower has high bearing capacity and stable structure, and has wide application in ultra-high voltage transmission line engineering. However, for steel pipe poles with relatively large slenderness, especially for poles which tend to be horizontally arranged, transverse vibration perpendicular to the wind direction is easy to occur when the ambient wind speed is low, and is called breeze vibration in engineering. The continuous repeated vibration can cause accidents such as loosening of bolts, fatigue damage of rod pieces, cracking of connecting plates and the like of a transmission tower, and cause great potential safety hazards to the operation of a power grid.

At present, as in the patent with publication number CN214402984U, the spoiler rib is fixed on the outer wall of the anchor ear, and then the anchor ear is fixed on the outer wall of the steel tube, so as to realize the control of wind vibration, but in such a method, if the length of the steel tube is larger, a longer anchor ear is required to be arranged or a plurality of anchor ears are used for fixing outside the steel tube, and the cost is higher.

Based on the above consideration, the utility model designs a wind vibration control device of a steel pipe tower.

Disclosure of Invention

The utility model aims to overcome the defects of the prior art and provide a wind vibration control device of a steel pipe tower, wherein the pneumatic appearance of a steel pipe is changed by arranging a spoiler group, and the vibration of the circular section of the steel pipe is restrained, so that the wind vibration control of the steel pipe tower is realized; through being fixed in two staple bolt inner respectively with the both ends of the base plate that is fixed with the spoiler group, the length of base plate can carry out the setting that suits according to the length of steel pipe, need not to be fixed in on the staple bolt with the spoiler group, and the staple bolt needs the length that sets up great to great reduction wind control device's that shakes cost.

In order to achieve the purpose of the utility model, the technical scheme adopted by the utility model is as follows:

the utility model discloses a wind vibration control device of a steel pipe tower, which comprises two hoops and spoiler assemblies, wherein the two hoops and the spoiler assemblies are arranged on the outer wall of a steel pipe, the two hoops are arranged at the two ends of the steel pipe, the spoiler assemblies are arranged on the outer side of the steel pipe in an annular array by taking the axis of the steel pipe as an axis, the spoiler assemblies comprise a base plate and spoiler groups, the base plate is in a square structure, the two ends of the base plate are respectively connected with the end face of the inner end of the hoops, the spoiler groups are arranged on the outer wall of the base plate at equal intervals, and the spoiler groups consist of two spoiler plates in an eight shape.

The anchor ear comprises two anchor ear units and connecting bolts, the anchor ear units are of a semicircular structure, the inner diameter of each anchor ear unit is equal to the outer diameter of each steel pipe, connecting lug plates are arranged on the outer sides of the two ends of each anchor ear unit, and bolt holes used for the connecting bolts to penetrate are formed in the middle of the outer wall of each connecting lug plate.

The inner part of the hoop unit is provided with a semicircular first chute, two ends of the base plate are provided with sliding blocks, the thickness of each sliding block is larger than that of the base plate, the cross section of each sliding block is the same as that of each first chute, and the end part of each first chute is provided with an inlet communicated with the outside and used for inserting the sliding block; the inner end wall of the first chute is provided with a second chute for sliding the base plate, and the end part of the second chute is communicated with the inlet.

The top of the first chute is provided with a plurality of first through holes at equal intervals, the bottom of the first chute is provided with a plurality of threaded holes in threaded connection with the locking bolts at equal intervals, and the threaded holes are coaxial with the first through holes; the outer wall of the sliding block is provided with a second through hole for the locking bolt to pass through, and the first through hole, the threaded hole and the second through hole have equal diameters.

The spoiler is of a wedge-shaped structure, and the height of the spoiler gradually increases from one end close to the inlet to the other end.

The bottom of spoiler group is equipped with the connecting plate, the bottom of connecting plate with the outer wall of base plate links to each other.

The utility model has the beneficial effects that:

according to the utility model, the pneumatic appearance of the steel pipe is changed by arranging the spoiler group, and the vibration of the circular section of the steel pipe is restrained, so that the wind vibration of the steel pipe tower is controlled;

according to the wind vibration control device, the two ends of the base plate fixed with the spoiler group are respectively fixed at the inner ends of the two anchor ears, the length of the base plate can be set adaptively according to the length of the steel pipe, the spoiler group is not required to be fixed on the anchor ears, and the anchor ears are required to be set longer, so that the cost of the wind vibration control device is greatly reduced.

Drawings

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

FIG. 2 is an enlarged view of a portion of FIG. 1;

FIG. 3 is a top view of the present utility model;

FIG. 4 is a cross-sectional view taken along line A-A of FIG. 3;

FIG. 5 is a schematic view of a spoiler assembly according to the present utility model;

fig. 6 is a schematic structural view of the connecting plate in the present utility model.

In the figure, 1 steel pipe, 2 staple bolt, 3 vortex subassembly, 4 staple bolt units, 5 connecting bolt, 31 base plate, 32 spoiler group, 33 sliders, 34 second through holes, 35 connecting plate, 41 connecting lug plates, 42 first sliding groove, 43 import, 44 second sliding groove, 45 first through holes, 46 locking bolt, 47 screw holes.

Detailed Description

The utility model is further illustrated by the following examples in conjunction with the accompanying drawings:

see fig. 1-6.

The utility model discloses a steel tube tower wind vibration control device, which comprises two anchor clamps 2 and spoiler assemblies 3 which are arranged on the outer wall of a steel tube 1, wherein the two anchor clamps 2 are arranged at the two ends of the steel tube 1, a plurality of spoiler assemblies 3 are arranged on the outer side of the steel tube 1 in an annular array by taking the axle center of the steel tube 1 as an axle, each spoiler assembly 3 comprises a base plate 31 and a spoiler group 32, the base plates 31 are in a square structure, the two ends of each base plate 31 are respectively connected with the inner end surfaces of the anchor clamps 2, a plurality of spoiler groups 32 are arranged on the outer wall of each base plate 31 at equal intervals, each spoiler group 32 consists of two spoiler plates in an eight shape, and by fixing the two ends of the base plate 31 fixed with the spoiler groups 32 at the inner ends of the two anchor clamps 2 respectively, the length of the base plate 31 can be set correspondingly according to the length of the steel tube 1, the spoiler groups 32 are not required to be fixed on the anchor clamps 2, and the length required to be set is larger, so that the cost of the wind vibration control device is greatly reduced; the aerodynamic shape of the steel pipe 1 is changed by arranging the spoiler group 32, and the vibration of the circular section of the steel pipe is restrained, so that the wind vibration of the steel pipe tower is controlled.

Further, the anchor ear 2 includes two anchor ear units 4 and connecting bolt 5, anchor ear unit 4 is semicircle annular structure, its internal diameter with the external diameter of steel pipe 1 equals, the both ends outside of anchor ear unit 4 is equipped with connecting ear plate 41, the outer wall middle part of connecting ear plate 41 is equipped with the bolt hole that is used for connecting bolt 5 to pass, and after two anchor ear units 4 dock, connecting bolt 5 pass behind the screw hole on connecting ear plate 41 with nut lock connection to be fixed in anchor ear 2 on the outer wall of steel pipe 1.

Further, a semicircular first chute 42 is arranged in the hoop unit 4, two ends of the base plate 31 are provided with sliding blocks 33, the thickness of each sliding block 33 is larger than that of the base plate 31, the cross section of each sliding block 33 is the same as that of each first chute 42, and an inlet 43 communicated with the outside and used for inserting the corresponding sliding block 33 is formed in the end part of each first chute 42; the inner end wall of the first chute 42 is provided with a second chute 44 for sliding the substrate 31, the end of the second chute 44 is communicated with the inlet 43, when the sliding device is installed, the sliding blocks 33 at two ends of the substrate 31 are inserted into the first chute 42 through the inlet 43, meanwhile, the substrate 31 also enters the second chute 44, the sliding blocks 33 and the substrate 31 slide to a proper position along the first chute 42 and the second chute 44 respectively, and as the width of the second chute 44 is smaller than that of the first chute 42, the limiting effect can be achieved, and after the sliding blocks 33 enter the first chute 42, the two ends of the substrate 31 can be respectively fixed on the two hoops 2.

Further, a plurality of first through holes 45 are formed in the top of the first chute 42 at equal intervals, a plurality of threaded holes 47 in threaded connection with locking bolts 46 are formed in the bottom of the first chute 42 at equal intervals, and the threaded holes 47 are coaxial with the first through holes 45; the outer wall of the sliding block 33 is provided with the second through holes 34 for the locking bolts 46 to pass through, the first through holes 45, the threaded holes 47 and the second through holes 34 are equal in diameter, after the sliding blocks 32 at two ends of the base plate 31 slide into the proper positions of the first sliding grooves 42 through the inlets 43, the locking bolts 46 sequentially pass through the first through holes 45, the second through holes 34 and are in threaded connection with the threaded holes 47 to lock the sliding blocks 32, so that the base plate 31 can be uniformly arranged, a spoiler on the outer wall of the base plate 31 can better play a role of disturbing a wind field, damage vortex and be more attractive.

Further, the spoiler has a wedge-shaped structure, and the height thereof gradually increases from one end near the inlet 43 to the other end.

Further, the bottom of spoiler group 32 is equipped with connecting plate 35, and the bottom of connecting plate 35 links to each other with the outer wall of base plate 31, needs to set up the base plate 31 of different length according to the length difference of steel pipe 1, and the splayed structure that is of two spoilers, and the angle of opening of both needs to be fixed, installs as a whole on fixing two spoilers on connecting plate 35, can ensure that the angle of opening of spoiler is unchangeable, ensures the effect of its control wind vibration.

The foregoing description is only illustrative of the present utility model and is not intended to limit the scope of the utility model, and all equivalent changes or direct or indirect application in the relevant art utilizing the present specification and drawings are included in the scope of the present utility model.

Claims (6)

1. A steel pipe tower wind vibration control device is characterized in that: including setting up in two staple bolt (2) and spoiler subassembly (3) of steel pipe (1) outer wall, two staple bolt (2) set up in the both ends of steel pipe (1), a plurality of spoiler subassemblies (3) use the axle center of steel pipe (1) is the outside of annular array in steel pipe (1), spoiler subassembly (3) include base plate (31) and spoiler group (32), base plate (31) are square structure, its both ends respectively with the inner terminal surface of staple bolt (2) links to each other, equidistant a plurality of spoiler group (32) are equipped with on the outer wall of base plate (31), spoiler group (32) are constituteed by two spoilers of "eight" style of calligraphy.

2. A steel pipe tower wind vibration control device according to claim 1, wherein: staple bolt (2) are including two staple bolt units (4) and connecting bolt (5), staple bolt unit (4) are semicircle annular structure, its internal diameter with the external diameter of steel pipe (1) equals, the both ends outside of staple bolt unit (4) is equipped with and connects otic placode (41), the outer wall middle part of connecting otic placode (41) is equipped with the bolt hole that is used for connecting bolt (5) to pass.

3. A steel pipe tower wind vibration control device according to claim 2, wherein: the inner part of the hoop unit (4) is provided with a semicircular first chute (42), two ends of the base plate (31) are provided with sliding blocks (33), the thickness of each sliding block (33) is larger than that of the base plate (31), the cross section of each sliding block (33) is the same as that of the corresponding first chute (42), and an inlet (43) which is communicated with the outside and used for inserting the corresponding sliding block (33) is formed in the end part of each first chute (42); the inner end wall of the first chute (42) is provided with a second chute (44) for sliding the base plate (31), and the end part of the second chute (44) is communicated with the inlet (43).

4. A steel pipe tower wind vibration control device according to claim 3, wherein: a plurality of first through holes (45) are formed in the top of the first sliding groove (42) at equal intervals, a plurality of threaded holes (47) in threaded connection with locking bolts (46) are formed in the bottom of the first sliding groove (42) at equal intervals, and the threaded holes (47) are coaxial with the first through holes (45); the outer wall of the sliding block (33) is provided with a second through hole (34) for a locking bolt (46) to pass through, and the diameters of the first through hole (45), the threaded hole (47) and the second through hole (34) are equal.

5. The steel pipe tower wind vibration control device according to claim 4, wherein: the spoiler has a wedge-shaped structure, and the height of the spoiler gradually increases from one end close to the inlet (43) to the other end.

6. The steel pipe tower wind vibration control device according to claim 5, wherein: the bottom of spoiler group (32) is equipped with connecting plate (35), the bottom of connecting plate (35) with the outer wall of base plate (31) links to each other.