CN218563807U

CN218563807U - Fan foundation and tower section of thick bamboo connecting means

Info

Publication number: CN218563807U
Application number: CN202223090604.9U
Authority: CN
Inventors: 林虎; 李波; 彭东方
Original assignee: Power China Jiangxi Hydropower Engineering Bureau Co ltd
Current assignee: Power China Jiangxi Hydropower Engineering Bureau Co ltd
Priority date: 2022-11-21
Filing date: 2022-11-21
Publication date: 2023-03-03
Anticipated expiration: 2032-11-21

Abstract

The utility model discloses a fan basis and tower section of thick bamboo connecting tool, the female joint comprises a sleeve, the cavity has been seted up to telescopic inside, and telescopic top surface has seted up the passageway to passageway and cavity through connection, the inside of passageway is provided with the crab-bolt, the through-hole has been seted up on the lateral wall surface of crab-bolt, and the inside of through-hole installs the bracing piece through the pivot, the connecting rod is installed through the articulated elements in the bottom surface of bracing piece, the other end of connecting rod passes through the articulated elements and is connected with the thread bush, the thread bush is installed on the lead screw, the inside at the crab-bolt is installed to the lead screw, the tip of lead screw is provided with the roating seat, the bolt is installed to the surface thread of crab-bolt. The utility model discloses in, simple structure, convenient operation changes the crab-bolt that splits, and disturbance and influence on original fan basis are very little, do not destroy other structures on crab-bolt and fan basis, do not hinder the normal operating of fan even, guarantee the operation of fan.

Description

Fan foundation and tower section of thick bamboo connecting means

Technical Field

The utility model relates to a wind power generation set technical field especially relates to a fan basis and tower section of thick bamboo connecting tool.

Background

In recent years, with the increase of the single machine capacity of the wind turbine generator and the increase of the basic load of the fan, the basic ring type fan foundation has the quality problems of cracks, slurry bleeding when meeting water, over-standard gradient and the like, the frequency of accidents is more and more, and the period is shorter and shorter; the prestressed anchor bolt connection mode adopts a prestressed anchor bolt system to connect the foundation and the upper tower drum, so that the construction is convenient, the foundation integrity is good, the whole fan structure is stable, the durability and the fatigue load resistance of the foundation are improved, the prestressed anchor bolt structure is an important connecting part between the connection foundation and the tower drum, and the construction quality influences the safe operation condition of the whole wind generating set.

Through retrieval, the publication numbers are disclosed as: the structure of the prestressed anchor bolt of the CN216304702U relates to the technical field of the prestressed anchor bolt assembly of the wind generating set, comprising a lower anchor plate, an upper anchor plate, an anchor bolt and a fixing member; the lower anchor plate is provided with a plurality of first fixing holes, the upper anchor plate is provided with a plurality of second fixing holes at positions corresponding to the lower anchor plate, one end of the anchor bolt is fixedly connected with the fixing member, the other end of the anchor bolt sequentially penetrates through the first fixing holes and the second fixing holes, and the anchor bolt is abutted and fixed with the surface of the lower anchor plate through the fixing member; the end part of the anchor bolt is fixedly connected with the fixed component, so that the installation efficiency of the anchor bolt assembly of the fan foundation is effectively improved, the installation quality control of the anchor bolt is more facilitated, the tensioning qualified rate of the anchor bolt assembly after the wind generating set is installed and during the operation is effectively improved, the anchor bolt damage phenomenon caused by a tensioning test is reduced, and the technical problems that the anchor bolt is easily damaged in the tensioning process and the prestress tensioning quality is unqualified in the prior art are solved.

The prior art has the following problems:

the foundation is connected with the wind turbine tower cylinder, has the advantages of reliable anchoring and high construction speed, and has the defect that if an anchor bolt is broken, the anchor bolt cannot be replaced or is high in replacement cost, and the defect restricts the use and popularization of the foundation form in the wind power generation industry of China.

Therefore, the wind turbine foundation and tower cylinder connecting tool is provided to solve the defects.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the anchor bolt that exists among the prior art if fracture, the higher shortcoming of cost that can not change or change, and a fan basis and a tower section of thick bamboo connecting tool who provides.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a fan basis and tower section of thick bamboo connecting tool, includes the sleeve, the cavity has been seted up to telescopic inside, and telescopic top surface has seted up the passageway to passageway and cavity through connection, the inside of passageway is provided with the crab-bolt, the through-hole has been seted up to the lateral wall surface of crab-bolt, and the inside of through-hole installs the bracing piece through the pivot, the connecting rod is installed through the articulated elements to the bottom surface of bracing piece, the other end of connecting rod passes through the articulated elements and is connected with the thread bush, the thread bush is installed on the lead screw, the inside at the crab-bolt is installed to the lead screw, the tip of lead screw is provided with the roating seat, the surface thread of crab-bolt installs the bolt, the below of bolt is provided with the gasket, be fixed with a tower section of thick bamboo between gasket and the sleeve.

Preferably, the surface of the rotating seat is provided with anti-skid convex points.

Preferably, the surface of the side wall of the sleeve is provided with a fixing ring, and the sleeve and the fixing ring are of a welding integrated structure.

Preferably, the side wall surface of the sleeve is coated with a zinc-chromium coating.

Preferably, the sleeve and the anchor bolt are both made of stainless steel.

Preferably, the support rods are arranged in a plurality, and the support rods are distributed on the surface of the sleeve in an annular array.

Compared with the prior art, the utility model has the advantages that;

(1) The utility model discloses, through setting up the sleeve, the cavity, the crab-bolt, the lead screw, the roating seat, the thread bush, the connecting rod, the bracing piece, the gasket, bolt and a tower section of thick bamboo, if the crab-bolt has cracked, the higher problem of cost that can not change or change, during the installation, pierce through a tower section of thick bamboo and extend to in the cavity of sleeve inside with the crab-bolt, later rotate the roating seat, drive the lead screw, under the mutually supporting of lead screw and thread bush, adjust the position of thread bush, later through connecting rod drive bracing piece, make the bracing piece rotate around the pivot, install the bolt on last, can accomplish being connected of fan basis and a tower section of thick bamboo, when the crab-bolt appears damaging, the dismounting bolt, later reverse rotation roating seat, accomodate the bracing piece to the through-hole in, later can take out the crab-bolt, accomplish the dismantlement operation to the crab-bolt, the utility model discloses simple structure, convenient operation changes fracture, it is very little to crab-bolt and the influence on original fan basis, do not destroy the normal operating of fan, hinder the fan even, guarantee the operation of fan.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for the embodiments will be briefly described below.

Fig. 1 is a schematic structural view of a connecting tool for a wind turbine foundation and a tower drum provided by the present invention;

fig. 2 is a schematic view of an internal structure of an anchor bolt of the wind turbine foundation and tower cylinder connecting tool provided by the present invention;

fig. 3 is a schematic view of the anchor bolt overlooking structure of the wind turbine foundation and tower cylinder connecting tool provided by the present invention.

Illustration of the drawings:

1. a sleeve; 2. a fixing ring; 3. a cavity; 4. an anchor bolt; 5. a screw rod; 6. a rotating base; 7. a threaded sleeve; 8. a connecting rod; 9. a support bar; 10. a gasket; 11. a bolt; 12. anti-skid bumps; 13. a tower drum.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in detail with reference to the accompanying drawings. It should be understood that the description is intended for purposes of illustration only and is not intended to limit the scope of the present disclosure. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.

Referring to fig. 1-3, a fan foundation and tower 13 connecting tool comprises a sleeve 1, a cavity 3 is formed in the sleeve 1, a channel is formed in the top surface of the sleeve 1, the channel is in through connection with the cavity 3, an anchor bolt 4 is arranged in the channel, a through hole is formed in the side wall surface of the anchor bolt 4, a support rod 9 is installed in the through hole through a rotating shaft, a connecting rod 8 is installed on the bottom surface of the support rod 9 through an articulated piece, the other end of the connecting rod 8 is connected with a threaded sleeve 7 through the articulated piece, the threaded sleeve 7 is installed on a screw rod 5, the screw rod 5 is installed in the anchor bolt 4, a rotating seat 6 is arranged at the end of the screw rod 5, a bolt 11 is installed on the surface of the anchor bolt 4 through threads, a gasket 10 is arranged below the bolt 11, and a tower 13 is fixed between the gasket 10 and the sleeve 1.

In this embodiment: the utility model discloses simple structure, convenient operation changes fracture crab-bolt 4, and is very little with the influence to the disturbance on original fan basis, does not destroy other structures on crab-bolt 4 and fan basis, does not hinder the normal operating of fan even, guarantees the operation of fan.

Specifically, the surface of the rotary base 6 is provided with anti-slip bumps 12.

In this embodiment: the friction between the rotating seat 6 and the palm is increased, and the rotating seat 6 is convenient to rotate.

Specifically, the surface of the side wall of the sleeve 1 is provided with a fixing ring 2, and the sleeve 1 and the fixing ring 2 are of a welding integrated structure.

In this embodiment: this structure is favorable to increasing the area of contact between sleeve 1 and the concrete, improves its installation stability.

Specifically, the surface of the sidewall of the sleeve 1 is coated with a zinc-chromium coating.

In this embodiment: the zinc-chromium coating has the advantages of extremely strong corrosion resistance, high temperature resistance, high permeability and the like, and is widely applied to the surfaces of steel parts or components.

Specifically, the sleeve 1 and the anchor bolt 4 are both made of stainless steel.

In this embodiment: by using the material strength and the corrosion resistance of the steel, the surface layer of the steel is prevented from being damaged and rusted after the steel is contacted with concrete.

Specifically, a plurality of support rods 9 are provided, and the plurality of support rods 9 are distributed on the surface of the sleeve 1 in an annular array.

In this embodiment: the structure can improve the contact area with the cavity 3 of the sleeve 1, and the stress is more uniform.

The working principle is as follows: during the installation, pierce through a tower section of thick bamboo 13 with crab-bolt 4 and extend to in 1 inside cavity 3 of sleeve, later rotate roating seat 6, drive lead screw 5, under the mutually supporting of lead screw 5 and thread bush 7, adjust the position of thread bush 7, later through 8 drive bracing pieces 9 of connecting rod, make bracing piece 9 rotate around the pivot, install bolt 11 on crab-bolt 4 at last, can accomplish being connected of fan basis and tower section of thick bamboo 13, when crab-bolt 4 appears damaging, dismantle bolt 11, later the reverse rotation roating seat 6, accomodate bracing piece 9 to the through-hole in, later can take out crab-bolt 4, accomplish the dismantlement operation to crab-bolt 4.

It should be understood that the above-described embodiments of the present invention are merely illustrative of or explaining the principles of the invention and are not to be construed as limiting the invention. Therefore, any modification, equivalent replacement, improvement and the like made without departing from the spirit and scope of the present invention should be included in the protection scope of the present invention. Further, it is intended that the appended claims cover all such variations and modifications as fall within the scope and boundary of the appended claims, or the equivalents of such scope and boundary.

Claims

1. The utility model provides a fan basis and tower section of thick bamboo connecting tool, includes sleeve (1), its characterized in that, cavity (3) have been seted up to the inside of sleeve (1), and the top surface of sleeve (1) has seted up the passageway to passageway and cavity (3) through connection, the inside of passageway is provided with crab-bolt (4), the through-hole has been seted up on the lateral wall surface of crab-bolt (4), and the inside of through-hole installs bracing piece (9) through the pivot, connecting rod (8) are installed through the articulated elements to the bottom surface of bracing piece (9), the other end of connecting rod (8) is connected with thread bush (7) through the articulated elements, install on lead screw (5) thread bush (7), the inside in crab-bolt (4) is installed in lead screw (5), the tip of lead screw (5) is provided with roating seat (6), bolt (11) are installed to the surface thread of crab-bolt (4), the below of bolt (11) is provided with gasket (10), be fixed with tower section of thick bamboo (13) between gasket (10) and sleeve (1).

2. The wind turbine foundation and tower connection tool as claimed in claim 1, wherein the surface of the rotary base (6) is provided with anti-skid protrusions (12).

3. The wind turbine foundation and tower cylinder connecting tool as claimed in claim 1, wherein the side wall surface of the sleeve (1) is provided with a fixing ring (2), and the sleeve (1) and the fixing ring (2) are of a welding integrated structure.

4. The wind turbine foundation and tower connection tool as claimed in claim 1, wherein the side wall surface of the sleeve (1) is coated with a zinc-chromium coating.

5. The wind turbine foundation and tower cylinder connecting tool according to claim 1, wherein the sleeve (1) and the anchor bolt (4) are made of stainless steel.

6. The wind turbine foundation and tower drum connecting tool as claimed in claim 1, wherein the number of the supporting rods (9) is multiple, and the plurality of supporting rods (9) are distributed on the surface of the sleeve (1) in an annular array.