CN218513866U

CN218513866U - Turbulence clamp device for breeze vibration of lightning rod with steel tube to be made

Info

Publication number: CN218513866U
Application number: CN202221425818.4U
Authority: CN
Inventors: 杨阳; 刘秀; 韩刚; 王松林; 邹洪亮; 邢宝; 张怀志; 林楠
Original assignee: Jilin Electric Power Surveying And Designing Institute Power Construction Corp Of China
Current assignee: Jilin Electric Power Surveying And Designing Institute Power Construction Corp Of China
Priority date: 2022-06-08
Filing date: 2022-06-08
Publication date: 2023-02-21
Anticipated expiration: 2032-06-08

Abstract

The utility model discloses a vortex clamp device of plan-making steel pipe lightning rod breeze vibration, press from both sides and the spoiler including steel pipe lightning rod body, clamp, be equipped with the clamp on the steel pipe lightning rod body and press from both sides, the clamp is the former columnar structure of cavity symmetry, and installs a plurality of spoilers through fixing bolt on the clamp. The utility model discloses during the use, can press from both sides any position on required built or newly-built steel pipe lightning rod body through the staple bolt clamp that sets up, can set up a plurality of armful clamps on the steel pipe lightning rod body week, be equipped with a plurality of spoilers on the staple bolt clamp, be equipped with if disturb the discharge orifice on the spoiler, the staple bolt clamp device installation of this scheme is firm, easy to process, and production cost is lower, can effectively destroy the regular card door vortex street at the steel pipe lightning rod body back, reduce the horizontal vortex that it received and shake and destroy, improve the life of steel pipe lightning rod body, thereby the security of transformer substation has been strengthened.

Description

Turbulence clamp device for breeze vibration of lightning rod with steel tube to be made

Technical Field

The utility model relates to a power equipment disaster prevention and reduction technical field specifically is a vortex clamp device of simulation steel pipe lightning rod breeze vibration.

Background

In order to protect electrical equipment in an electric power system from being electrically shocked by thunder, a lightning rod is widely used in transformer substation construction as an important direct lightning protection device, and a steel tube lightning rod is popularized and used in transformer substation engineering by the advantages of simple design, convenience in installation, small operation and maintenance workload and the like.

However, the steel tube lightning rod belongs to a cantilever structure, and has a large slenderness ratio and small rigidity. Under the condition of natural common wind speed, the critical wind speed of first-order and second-order oscillation starting of the steel tube lightning rod is easily reached, cross wind direction vortex-induced vibration occurs, the stress generated by the continuous and repeated wind-induced vibration can cause the fatigue damage of pipes or bolts at the periphery of a welding seam at the joint of the steel tube lightning rod component, so that a fracture accident occurs, and the safe operation of a power grid is threatened; secondly, the damping ropes are arranged on the steel tube lightning rod, so that energy consumption is increased, but the methods have the defects of inconvenient transportation, complex construction, high cost and unobvious vibration reduction effect, and are particularly not suitable for the situation that the built steel tube lightning rod generates or is likely to generate wind-induced vibration. Therefore, the utility model provides a vortex clamp device of simulating system steel pipe lightning rod breeze vibration to solve the above-mentioned problem that proposes.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a vortex clamp device of simulating system steel pipe lightning rod breeze vibration to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides a low wind vibrating vortex clamp device of steel pipe lightning rod of plans, includes steel pipe lightning rod body, hoop clamp and spoiler, be equipped with hoop clamp on the steel pipe lightning rod body, hoop clamp is the former columnar structure of cavity symmetry, and installs a plurality of spoilers through fixing bolt on the hoop clamp, and hoop clamp corresponds fixing bolt and is equipped with the spoiler fixed orifices.

As a further aspect of the present invention, the hoop clamp includes two upper and lower hoop clamps, and the hoop clamps are symmetrical semi-circular structures.

As the utility model discloses further scheme again, two the staple bolt splint set up relatively and enclose into cylindricly, and two staple bolt splint pass through close a mouthful bolted connection from top to bottom.

As the utility model discloses scheme further again, the staple bolt presss from both sides the inner wall and sets up the rubber layer, makes it can be very tight close mouthful bolt fastening through screwing up on the reducing steel pipe lightning rod body of accomplishing and do not destroy the galvanizing coat of steel pipe on assembling.

As the utility model discloses still further scheme, spoiler quantity is four, and four spoilers are installed respectively in the both sides of two staple bolt splint, and the spoiler can pass through fixing bolt angle regulation, and the angle range is zero degree to ninety degrees.

As a still further aspect of the present invention, the spoiler is provided with a spoiler hole along the axial direction, the shape thereof is circular, and the diameter of the spoiler hole is determined by the surface area and the number of rows of the spoiler.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses during the use, can press from both sides any position on required built or newly-built steel pipe lightning rod body through the staple bolt clamp that sets up, can set up a plurality of armful clamps on the steel pipe lightning rod body week, be equipped with a plurality of spoilers on the staple bolt clamp, be equipped with if disturb the discharge orifice on the spoiler, the staple bolt clamp device installation of this scheme is firm, easy to process, and production cost is lower, can effectively destroy the regular card door vortex street at the steel pipe lightning rod body back, reduce the horizontal vortex that it received and shake and destroy, improve the life of steel pipe lightning rod body, thereby the security of transformer substation has been strengthened.

2. The utility model discloses during the use, under the condition of the critical wind speed that shakes, when the vortex clamp device of air current through breeze vibration, the vortex hole of spoiler changes the wind direction of flowing through the steel pipe lightning rod body, the wind speed, destroy the swirl rule that drops of wind, make the unable vortex that forms the rule around the steel pipe lightning rod body take off, thereby the effectual emergence of solving the vortex vibration, can be applicable to the suppression of having built or newly-built steel pipe lightning rod body breeze vibration, can control the vibration of the arbitrary incoming flow direction, the antivibration wind speed scope is wideer, set out from breeze vibration essence, installation through this device, make the unable vortex that forms the rule around the steel pipe lightning rod body take off, and restrained the breeze vibration of the steel pipe lightning rod body that arouses because of the wake vortex takes off.

Drawings

Fig. 1 is a schematic view of an installation structure of a turbulent clamp device simulating aeolian vibration of a steel tube lightning rod.

Fig. 2 isbase:Sub>A schematic sectional structure view ofbase:Sub>A spoiler clamp device A-A in fig. 1, which is designed to makebase:Sub>A steel tube lightning rod vibrate by breeze.

Fig. 3 is a structural schematic diagram of one or more embodiments of the spoiler clamp devices mounted on the steel tube lightning rod body to simulate the aeolian vibration of the steel tube lightning rod.

In the figure: 1. a steel tube lightning rod body; 2. clamping the hoops; 3. a closing bolt; 4. fixing the bolt; 5. a spoiler; 6. a spoiler fixing hole; 7. a flow-disturbing hole; 8. a rubber layer.

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.

Examples

Referring to fig. 1 to 3, in an embodiment of the present invention, a turbulence clamp device for simulating breeze vibration of a steel tube lightning rod includes a steel tube lightning rod body 1, hoop clamps 2 and spoilers 5, where the steel tube lightning rod body 1 is provided with hoop clamps 2, the hoop clamps 2 are of a hollow symmetrical primary columnar structure, and a plurality of spoilers 5 are installed on the hoop clamps 2 through fixing bolts 4, the hoop clamps 2 are provided with spoiler fixing holes 6 corresponding to the fixing bolts 4, the hoop clamps 2 include an upper hoop clamp plate and a lower hoop clamp plate, the hoop clamps are of a symmetrical semicircular structure, the two hoop clamps are relatively arranged to form a cylinder, and the upper and lower hoop clamps are connected through a closing bolt 3;

2 inner walls of hooping clamp set up the rubber layer 8, make it can be very tight close mouthful bolt 3 through screwing up fix on the reducing steel pipe lightning rod body 1 of accomplishing and do not destroy the galvanizing coat of steel pipe, spoiler 5 quantity is four, and four spoilers 5 are installed respectively in the both sides of two hooping splint, and spoiler 5 can be through 4 angle regulation of fixing bolt, and the angular range is zero degree to ninety degrees, spoiler 5 is equipped with spoiler hole 7 along the direction of axle, and its shape is circular, and spoiler hole 7's diameter by spoiler 5's surface area and row number are confirmed.

The utility model discloses a theory of operation is:

the utility model discloses during the use, can press from both sides any position on required built or newly-built steel pipe lightning rod body 1 through the hoop clamp 2 that sets up, can set up a plurality of hoop clamps 2 on 1 week of steel pipe lightning rod body along, be equipped with a plurality of spoilers 5 on the hoop clamp 2, be equipped with if interference discharge hole 7 on the spoiler 5, the hoop clamp 2 device installation of this scheme is firm, easy processing, manufacturing cost is lower, can effectively destroy steel pipe lightning rod body 1 back regular karman vortex street, reduce the horizontal vortex destruction that it received, improve steel pipe lightning rod body 1's life, thereby the security of transformer substation has been strengthened, under the condition of the critical wind speed of starting vibration, when the air current passes through the clamp device of breeze vibration, spoiler hole 7 of spoiler 5 changes the wind direction of flowing through steel pipe lightning rod body 1, the wind speed, destroy the rule that drops of wind vortex, make the unable vortex of formation regular vortex around lightning rod body 1 take off the vortex, thereby the effectual emergence of solving vortex vibration, can be applicable to built or newly-built steel pipe body 1 little wind vibration's suppression of the vortex vibration, can control the vortex of the vortex to the vortex of the vortex, the unable vibration draft steel pipe that drives off the vortex from the vortex device of the vibration, make the vortex of the natural vibration of the vortex 1.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a device is pressed from both sides to vortex of drawing of a plan steel pipe lightning rod breeze vibration, includes steel pipe lightning rod body (1), staple bolt clamp (2) and spoiler (5), its characterized in that, be equipped with on steel pipe lightning rod body (1) and embrace hoop clamp (2), staple bolt clamp (2) are the former columnar structure of cavity symmetry, and install a plurality of spoilers (5) through fixing bolt (4) on staple bolt clamp (2), and staple bolt clamp (2) correspond fixing bolt (4) and are equipped with spoiler fixed orifices (6).

2. The turbulence clamp device simulating the aeolian vibration of the steel tube lightning rod as recited in claim 1, wherein said hoop clamp (2) comprises an upper hoop clamp plate and a lower hoop clamp plate, and said hoop clamp plates are of a symmetrical semicircular structure.

3. The turbulence clamp device for simulating the aeolian vibration of the steel tube lightning rod according to claim 2, wherein two said anchor ear clamping plates are oppositely arranged to surround a cylinder, and the upper and lower anchor ear clamping plates are connected through a close-up bolt (3).

4. The turbulence clamp device for simulating the aeolian vibration of the steel tube lightning rod according to claim 1, wherein the rubber layer (8) is arranged on the inner wall of the hoop clamp (2), so that the hoop clamp can be firmly fixed on the assembled reducing steel tube lightning rod body (1) through screwing the closing bolt (3) without damaging a zinc coating of the steel tube.

5. The turbulence clamp device for simulating the aeolian vibration of the steel pipe lightning rod according to claim 1, wherein the number of the turbulence plates (5) is four, four turbulence plates (5) are respectively installed on two sides of two hoop clamping plates, and the angle of the turbulence plates (5) can be adjusted by the fixing bolts (4), and the angle range is from zero degree to ninety degrees.

6. The spoiler clip device according to claim 1, wherein the spoiler (5) is provided with spoiler holes (7) in an axial direction, which are circular in shape, and the diameter of the spoiler holes (7) is determined by the surface area and the number of rows of the spoiler (5).