CN210414273U

CN210414273U - Positioning fixture for tower cylinder flange stiffened plate

Info

Publication number: CN210414273U
Application number: CN201921290345.XU
Authority: CN
Inventors: 周伟; 周水保; 吕雪峰; 李树安
Original assignee: JIANGSU BAOLONG EQUIPMENT MANUFACTURING CO LTD
Current assignee: JIANGSU BAOLONG EQUIPMENT MANUFACTURING CO LTD
Priority date: 2019-08-10
Filing date: 2019-08-10
Publication date: 2020-04-28
Anticipated expiration: 2029-08-10

Abstract

The utility model relates to a tower section of thick bamboo flange positioning fixture for gusset, its production and processing that are applicable to a aerogenerator tower section of thick bamboo. The technical scheme is as follows: tower section of thick bamboo flange positioning fixture for gusset, it is including connecting plate (402), its characterized in that: two positioning pin shafts (401) and two positioning plates (405) are symmetrically arranged in the middle of the connecting plate (402); the two positioning pin shafts (401) are matched with adjacent bolt holes in the flange; two positioning bolts (403, 404) are arranged on the symmetrical central axis of the two positioning plates (405), and the two positioning bolts adjust the positions of the stiffened plate and the tower barrel; the thickness of the reinforced plate is delta, and the distance between the two positioning plates is delta. Adopt the technical scheme of the utility model afterwards, make things convenient for the location installation of tower section of thick bamboo flange stiffened plate.

Description

Positioning fixture for tower cylinder flange stiffened plate

Technical Field

The utility model relates to a tower section of thick bamboo flange positioning fixture for gusset, its production and processing that are applicable to a aerogenerator tower section of thick bamboo.

Background

In the field of wind power generation, a wind driven generator pushes a wind wheel to generate power by wind power, a tower cylinder of the wind driven generator is arranged below a main engine of the wind driven generator and the wind wheel, and the main engine of the wind driven generator and the wind wheel are heavily supported by dozens of tons.

The tower barrel of the wind driven generator is generally divided into a plurality of large sections, and the sections of the tower barrel are usually connected by adopting integral forged flanges and high-strength bolt pairs. Through research and development for many years, the integral forging flange is improved into a reverse balance flange and a high-strength bolt pair connection, and the integral forging flange has the advantages of being simple to manufacture and having soft and rigid flexible connection; the reverse balance flange is composed of a flange section cylinder, a flange and a stiffened plate. And the flange section cylinder is rounded and corrected, and then two end faces are machined by a lathe until the requirements of drawings are met. The flange is spliced and fully welded into a numerical control processing connecting bolt hole in 6-8 equal parts according to requirements. And the stiffened plates are milled into parts according to the peripheral requirements of the drawing, and then are spliced into a component on a reverse balance flange rivet welding splicing device.

Chinese patent publication No. CN 205096774U discloses a "wind power generation tower cylinder flange splicing platform", wherein: the splicing platform comprises a platform body, a pressing plate, a cushion block and a bolt; the platform body is including inner ring, outer loop and spoke, and inner ring and outer loop are the concentric ring, and the spoke rigid coupling is equipped with the backing plate between inner ring and outer loop on the spoke, be equipped with the bolt hole on the backing plate, and the backing plate plane degree is less than or equal to 0.5 mm. During normal use, the flange passes through cushion, clamp plate and bolt fastening, realizes the concatenation of tower cylinder body and flange, effectively improves the quality of assembling of tower cylinder and flange.

The defects of the prior art are as follows: the ribbed plate in the manufacturing process of the tower drum flange depends on the personal skill of an operator, and the quality cannot be guaranteed.

Disclosure of Invention

The utility model aims at providing a tower section of thick bamboo flange positioning fixture for gusset to the not enough of prior art, its purpose that will realize: the positioning and installation of the tower cylinder flange stiffened plate are facilitated.

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

tower section of thick bamboo flange positioning fixture for gusset, it is including the connecting plate, its characterized in that: two positioning pin shafts and two positioning plates are symmetrically arranged in the middle of the connecting plate; the two positioning pin shafts are matched with adjacent bolt holes on the flange; two positioning bolts are arranged on the symmetrical central axes of the two positioning plates, and the two positioning bolts adjust the positions of the stiffened plate and the tower barrel; the thickness of the reinforced plate is delta, and the distance between the two positioning plates is delta.

As an improvement of the utility model, the vertical distance between the 1# positioning bolt and the positioning pin shaft is B, and the length of the stiffened plate is

As an improvement of the utility model, two locating pin axles and the equal rigid coupling of two locating plates are on the connecting plate.

The beneficial effect after adopting above-mentioned technical scheme:

1. application the utility model discloses, can fix a position gusset fast at the assigned position, it is convenient, accurate.

2. And the specific distance arrangement can apply acting force to the relevant area of the stiffened plate, so that the stiffened plate is respectively attached to the tower barrel and the flange.

3. The positioning pin shaft and the positioning plate are fixedly connected to the connecting plate, namely the positioning pin shaft, the positioning plate and the positioning plate are integrated, so that the mutual position relationship is fixed, deformation is avoided, and the service life is long.

Drawings

Fig. 1 is a schematic view of a first usage state of the present invention;

FIG. 2 is a schematic structural view of the present invention;

FIG. 3 is a schematic top view of the structure of FIG. 2;

FIG. 4 is a schematic structural view of a tower and a flange;

fig. 5 is a schematic view of a second usage state of the present invention.

In the figure:

1. the flat-bed plate is spliced with the flat-bed plate,

2. a positioning plate is arranged outside the tower cylinder body in a round way,

3. the positioning cylinder is provided with a positioning cylinder,

4. positioning clamp 401, positioning pin 402, connecting plate 403, positioning bolt # 1, positioning bolt # 404, positioning bolt # 2, positioning plate 405,

5. stiffened plates, 5a, 1# stiffened plates, 5b, 2# stiffened plates,

6. flanges 6a, 1# flange, 6b, 2# flange,

7. a tower drum, 7a, 1# tower drum, 7b, 2# tower drum,

B. the vertical distance between the No. 1 positioning bolt and the positioning pin shaft, the length of the reinforcing plate, C, the height of the positioning cylinder, the thickness of the reinforcing plate, delta and the thickness of the reinforcing plate, and the symmetrical central axis of the two positioning plates.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

Example one

As shown in FIGS. 1-3,

the positioning clamp 4 for the tower flange stiffened plate comprises a connecting plate 402, wherein the middle of the connecting plate 402 is symmetrically provided with two positioning pin shafts 401 and two positioning plates 405; two positioning pin shafts 401 are matched with adjacent bolt holes on the flange; the symmetrical central axes of the two positioning plates are X, two positioning bolts are arranged on the symmetrical central axes of the two positioning plates, and the positions of the stiffened plate and the tower barrel are adjusted by the two positioning bolts; the thickness of the reinforced plate is delta, and the distance between the two positioning plates is delta.

The two positioning bolts are respectively a # 1 positioning bolt 403 and a # 2 positioning bolt 404, the # 1 positioning bolt 403 is in contact with the stiffened plate 5, and the # 2 positioning bolt 404 is in contact with the tower 7.

Preferably: the two positioning pins 401 are fixedly connected to the connecting plate 402, and the two positioning plates 405 are also fixedly connected to the connecting plate 402, and the fixing manner can be welding.

As shown in FIG. 4, the flange 6 is located on the inner side of the tower, and a plurality of bolt holes are evenly distributed on the circumference of the flange 6.

When in normal use, firstly, a splicing platform plate 1 is prepared; then, arranging a tower cylinder outer circle positioning plate 2 and a positioning cylinder 3 on the splicing platform plate 1; then, a tower drum 7 is placed in the tower drum outer circle positioning plate 2, the inner wall of the tower drum outer circle positioning plate is tightly attached to the outer wall of the tower drum, the positioning cylinder 3 supports a flange 6, and the flange placement height is equal to the positioning cylinder height h; then, a positioning clamp 4 is arranged above the wall of the tower barrel, two positioning pin shafts are inserted into adjacent bolt holes of the flange, a 1# positioning bolt 403 is in contact with a stiffened plate, a 2# positioning bolt 404 is in contact with the tower barrel, and a stiffened plate 5 is arranged between the two positioning plates 405; finally, an operator can effectively adjust the positions of the stiffened plate and the tower barrel by adjusting the two positioning bolts, so that the relative position and size can be conveniently controlled.

The outer circle positioning plate 2 and the positioning cylinder 3 of the tower cylinder are usually welded and fixed on the splicing platform plate in an eight-equal-division mode. The related positioning principle can also be positioned according to the trisection, and the rest points are fixed as the convergence aid.

As shown in fig. 5, a second usage state of the present invention is given. Specifically, firstly, a positioning clamp 4 is adopted to process a 1# stiffened plate 5a, a 1# flange 6a and a 1# tower drum 7a into a whole; then processing the 2# stiffened plate 5b, the 2# flange 6b and the 2# tower barrel 7b into another whole; finally, with the help of a positioning fixture, the two small integers are processed into a large integer.

Example two

As an improvement of the embodiment of the utility model, as shown in figures 1-3, the vertical distance between the No. 1 positioning bolt and the positioning pin shaft is B, the length of the stiffened plate is C,

typically, the stiffened panel is in the form of a "right trapezoid". Specifically, the method comprises the following steps: the right-angle side edge is tightly attached to the tower barrel, the 1# positioning bolt 403 is in contact with the upper edge of the stiffened plate, and the flange is in contact with the lower edge of the stiffened plate.

By adopting the specific distance arrangement, the No. 1 positioning bolt 403 can provide a certain vertical acting force for the stiffened plate, so that the stiffened plate is more closely and reliably contacted with the flange. In addition, the # 1 positioning bolt 403 can provide a certain torque to the stiffened plate, and the torque can enable the stiffened plate to be better attached to the tower. Meanwhile, the # 2 positioning bolt 404 is in contact with the tower 7. The two positioning bolts act together, so that the size requirements of the stiffened plate, the flange, the tower barrel and other parts are effectively met, and the subsequent production and manufacturing requirements are facilitated.

The present invention is not limited to the above embodiments, and all technical solutions formed by equivalent replacement or equivalent replacement belong to the scope of the claimed invention.

Claims

1. Tower section of thick bamboo flange positioning fixture for gusset, it is including connecting plate (402), its characterized in that: two positioning pin shafts (401) and two positioning plates (405) are symmetrically arranged in the middle of the connecting plate (402); the two positioning pin shafts (401) are matched with adjacent bolt holes in the flange; two positioning bolts (403, 404) are arranged on the symmetrical central axis of the two positioning plates (405), and the two positioning bolts adjust the positions of the stiffened plate and the tower barrel; the thickness of the reinforced plate is delta, and the distance between the two positioning plates is delta.

2. The positioning fixture for the flange stiffened plate of the tower drum according to claim 1, wherein: the vertical distance between the No. 1 positioning bolt and the positioning pin shaft is B, the length of the stiffened plate is C,

3. the positioning fixture for the flange stiffened plate of the tower drum according to claim 1, wherein: and the two positioning pin shafts (401) and the two positioning plates (405) are fixedly connected on the connecting plate (402).