CN217813763U

CN217813763U - Fan tower conversion section

Info

Publication number: CN217813763U
Application number: CN202222130499.0U
Authority: CN
Inventors: 徐立庆; 崔华荣; 宋珊珊
Original assignee: Qingdao Shantai Steel Structure Co ltd
Current assignee: Qingdao Shantai Steel Structure Co ltd
Priority date: 2022-08-12
Filing date: 2022-08-12
Publication date: 2022-11-15
Anticipated expiration: 2032-08-12

Abstract

The utility model discloses a fan pylon changeover portion, including changeover portion body, connecting cylinder and lower connecting cylinder, go up a plurality of locating levers of lower extreme fixedly connected with of connecting cylinder, a plurality of locating holes have been seted up to the upper end of changeover portion body, the locating lever cooperatees with the locating hole, a plurality of connecting plates of lateral wall fixedly connected with of changeover portion body, the equal fixedly connected with of outer wall of going up connecting cylinder and lower connecting cylinder links up the piece, be equipped with the coupling mechanism who is used for being connected with linking piece on the connecting plate, the fixed polylith stopper that is equipped with of changeover portion body diapire. The utility model discloses a set up locating lever, locating hole, stopper, trapezoidal piece and kelly isotructure, correspond with the help of locating lever and locating hole and be convenient for go up connecting cylinder and conversion section body and install and dismantle, drive the installation of connecting cylinder and conversion section body down with the help of pulling piece and pull rod, be convenient for holistic quick installation and dismantlement.

Description

Fan tower conversion section

Technical Field

The utility model relates to a fan tower production technical field especially relates to a fan pylon changeover portion.

Background

The fan tower is a supporting structure of the wind generating set, generally adopts a cylinder or cone structure formed by rolling and welding steel plates, and is internally provided with auxiliary equipment such as mechanical internals and electrical internals, and comprises a tower body, a ladder stand, a cable ladder, a platform and the like.

In prior art, two parts are constituteed about the wind power generation tower adopts, the centre is realized connecting with the help of the changeover portion, can realize fixed connection with the help of bolt class subassembly or ring flange between the two parts about changeover portion and the fan tower among the prior art usually, this connected mode need not become flexible the bolt when installation and dismantlement volume, and the bolt rusts in daily use, be difficult for after the corrosion not hard up to it, and to the fan tower, can appear stress concentration during the use and just mean the fatigue risk that appears easily, stress concentration will reduce the life of wind power generation tower, the risk that the wind power generation tower collapsed appears even.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a wind turbine tower conversion section.

In order to realize the purpose, the utility model adopts the following technical scheme:

the utility model provides a fan pylon changeover portion, includes changeover portion body, goes up connecting cylinder and lower connecting cylinder, go up a plurality of locating levers of lower extreme fixedly connected with of connecting cylinder, a plurality of locating holes have been seted up to the upper end of changeover portion body, the locating lever cooperatees with the locating hole, a plurality of connecting plates of lateral wall fixedly connected with of changeover portion body, the equal fixedly connected with of outer wall of going up connecting cylinder and lower connecting cylinder links up the piece, be equipped with the coupling mechanism who is used for being connected with linking piece on the connecting plate, changeover portion body diapire is fixed and is equipped with the polylith stopper, a plurality of spacing grooves that correspond with the stopper of connecting cylinder up end down, the polylith all be equipped with movable chamber in the spacing block, the movable chamber is equipped with trapezoidal piece through first spring, be equipped with two contact blocks through elastic mechanism in the movable chamber, two contact block outer wall all is fixed and is equipped with the kelly that extends to the stopper outside, spacing groove both sides inside wall all is equipped with the draw-in groove that corresponds with the kelly.

Preferably, the connecting mechanism comprises connecting blocks arranged at the upper end and the lower end of the connecting plate, connecting grooves are formed in the connecting blocks, and connecting rods matched with the connecting grooves are rotatably arranged on the outer walls of the connecting blocks.

Preferably, the elastic mechanism comprises a second spring sleeved outside the clamping rod, and two ends of the second spring are respectively and elastically connected with the outer wall of the contact block and the inner wall of the movable cavity.

Preferably, a plurality of drawing grooves are formed in the upper end of the conversion section body, drawing blocks are arranged in the drawing grooves, and the drawing blocks are connected with the trapezoidal blocks through pull rods.

Preferably, a plurality of the connecting plates are distributed at equal intervals in the circumferential direction, and the plurality of the connecting plates are all semicircular.

Preferably, the connecting block outer wall screw thread is equipped with a plurality of fixing bolt that extend to in the spread groove, the connecting rod outer wall be equipped with fixing bolt complex thread tightening hole.

Compared with the prior art, the utility model, its beneficial effect does:

1. through setting up locating lever, locating hole, stopper, trapezoidal piece and kelly isotructure, correspond with the help of locating lever and locating hole and be convenient for go up connecting cylinder and conversion section body and install and dismantle, drive the installation of connecting cylinder and conversion section body down with the help of pulling piece and pull rod, be convenient for holistic quick installation and dismantlement.

2. Through setting up connecting plate, connecting block and connecting rod isotructure, it is corresponding with the help of a plurality of connecting rods and spread groove, be favorable to realizing the stress homodisperse to fan tower during operation production, improve the life of fan tower.

Drawings

FIG. 1 is a schematic view of a connection structure of a swivel segment body and an upper connecting cylinder;

FIG. 2 is a schematic view of a lower connecting cylinder structure;

FIG. 3 is a schematic top view of the transition section body;

fig. 4 is a schematic diagram of the internal structure of the limiting block.

In the figure: 1 conversion section body, 2 go up connecting cylinder, 3 connecting cylinders, 4 locating levers, 5 locating holes, 6 connecting plates, 7 connecting blocks, 8 connecting rods, 9 connecting grooves, 10 stopper, 11 kellies, 12 spacing grooves, 13 draw-in grooves, 14 pull grooves, 15 pull the piece, 16 pull rods, 17 trapezoidal pieces, 18 contact pieces down.

Detailed Description

In order to make the above objects, features and advantages of the present invention more comprehensible, embodiments of the present invention are described in detail below with reference to the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. The present invention can be embodied in many different forms other than those specifically described herein, and it will be apparent to those skilled in the art that similar modifications can be made without departing from the spirit and scope of the invention, and it is therefore not to be limited to the specific embodiments disclosed below.

Referring to fig. 1-4, a fan pylon transition section, including transition section body 1, go up connecting cylinder 2 and lower connecting cylinder 3, go up a plurality of locating levers 4 of the lower extreme fixedly connected with of connecting cylinder 2, a plurality of locating holes 5 have been seted up to the upper end of transition section body 1, locating lever 4 cooperatees with locating hole 5, a plurality of connecting plates 6 of lateral wall fixedly connected with of

transition section body

1, 6 equidistant distributions in circumference of a plurality of connecting plates, a plurality of connecting plates 6 are semi-circular, the equal fixedly connected with of outer wall of going up connecting cylinder 2 and lower connecting cylinder 3 links up the piece, be equipped with on the connecting plate 6 and be used for the coupling mechanism who links up the piece and be connected, coupling mechanism is including setting up connecting block 7 at connecting plate 6 upper and lower both ends, spread groove 9 has been seted up on connecting block 7, the outer wall rotation that links up the piece is equipped with spread groove 9 complex connecting rod 8.

1 diapire of changeover portion body is fixed and is equipped with polylith stopper 10, a plurality of spacing grooves 12 that correspond with stopper 10 of lower connecting cylinder 3 up end, all be equipped with movable chamber in the polylith stopper 10, the activity intracavity is equipped with trapezoidal piece 17 through first spring, the activity intracavity is equipped with two contact block 18 through elastic mechanism, elastic mechanism establishes the second spring at kelly 11 outsides including the cover, second spring both ends respectively with contact block 18 outer walls and activity intracavity wall elastic connection, can realize being in the stability of activity intracavity position to trapezoidal piece 17 with the help of first spring.

The outer walls of the two contact blocks 18 are fixedly provided with clamping rods 11 extending to the outside of the limiting block 10, and the inner side walls of the two sides of the limiting groove 12 are provided with clamping grooves 13 corresponding to the clamping rods 11.

A plurality of drawing grooves 14 are formed in the upper end of the conversion section body 1, a dragging block 15 is arranged in each drawing groove 14, and the dragging block 15 is connected with the trapezoidal blocks 17 through a pull rod 16.

The outer wall threads of the connecting block 7 are provided with a plurality of fixing bolts extending into the connecting groove 9, the outer wall of the connecting rod 8 is provided with a thread fixing hole matched with the fixing bolts, and the stability of installation between the connecting block 7 and the connecting rod 8 can be ensured by means of the fixing bolts.

The utility model discloses during the use, as shown in fig. 1-4, when the changeover portion body 1 is connected with lower connecting cylinder 3, be located stopper 10 in spacing groove 12, contact block 18 and trapezoidal block 17 cooperation are extruded, therefore contact block 18 can promote kelly 11 to insert in draw-in groove 13, therefore changeover portion body 1 can realize stable connection with lower connecting cylinder 3, only need drag and pull piece 15 and make trapezoidal block 17 move up when dismantling, two contact blocks 18 can be close to each other under the effect of second spring this moment, thereby drive kelly 11 and draw-in groove 13 and break away from, realize that the connection of stopper 10 and spacing groove 12 is relieved;

when the conversion section body 1 and the upper connecting cylinder 2 are installed, a plurality of positioning rods 4 on the bottom wall of the upper connecting cylinder 2 can be inserted into a plurality of corresponding positioning holes 5 on the upper end face of the conversion section body 1 to realize stable connection;

when conversion section body 1 is connected with last connecting cylinder 2 and lower connecting cylinder 3, connecting rod 8 can insert in the spread groove 9, and the fixing bolt of connecting rod 8 outer wall can twist in the screw thread fixed orifices this moment, realizes conversion section body 1 and last connecting cylinder 2 and lower connecting cylinder 3 more stable connection, guarantees simultaneously that conversion section body 1 is to the even of fan tower atress dispersion in the use, improves the life of fan tower.

The above, only be the embodiment of the preferred 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, which are designed to be replaced or changed equally, all should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a fan pylon changeover portion, includes changeover portion body (1), goes up connecting cylinder (2) and lower connecting cylinder (3), its characterized in that, go up a plurality of locating levers (4) of lower extreme fixedly connected with of connecting cylinder (2), a plurality of locating holes (5) have been seted up to the upper end of changeover portion body (1), locating lever (4) cooperate with locating hole (5), a plurality of connecting plates (6) of lateral wall fixedly connected with of changeover portion body (1), the equal fixedly connected with of outer wall of going up connecting cylinder (2) and lower connecting cylinder (3) links up the piece, be equipped with on connecting plate (6) and be used for the coupling mechanism who is connected with linking piece, changeover portion body (1) diapire is fixed and is equipped with polylith stopper (10), a plurality of spacing groove (12) that correspond with stopper (10) of connecting cylinder (3) up end down, the polylith all be equipped with the activity chamber in stopper (10), the activity intracavity is equipped with trapezoidal piece (17) through first spring, be equipped with two contact piece (18) through elastic mechanism in the intracavity, two all be equipped with the outer wall and all extend to the outside gag lever (11) and correspond with inside wall (11) the inside wall (11).

2. The wind turbine tower conversion section according to claim 1, wherein the connection mechanism comprises connection blocks (7) arranged at the upper and lower ends of the connection plate (6), the connection blocks (7) are provided with connection grooves (9), and the outer walls of the connection blocks are rotatably provided with connection rods (8) matched with the connection grooves (9).

3. The wind turbine tower transition section of claim 2, wherein the elastic mechanism comprises a second spring sleeved outside the clamping rod (11), and two ends of the second spring are elastically connected with the outer wall of the contact block (18) and the inner wall of the movable cavity respectively.

4. The wind turbine tower conversion section according to claim 3, wherein a plurality of drawing grooves (14) are formed in the upper end of the conversion section body (1), a dragging block (15) is arranged in each drawing groove (14), and each dragging block (15) is connected with a trapezoidal block (17) through a pull rod (16).

5. Wind turbine tower transition segment according to claim 4, wherein a plurality of said connection plates (6) are circumferentially equally spaced, and wherein a plurality of said connection plates (6) are semi-circular.

6. Wind turbine tower transition section according to claim 5, wherein the outer wall of the connection block (7) is threaded with a plurality of fixing bolts extending into the connection groove (9), and the outer wall of the connection rod (8) is provided with threaded fixing holes for cooperating with the fixing bolts.