CN211638795U

CN211638795U - Flange assembling device for wind power tower

Info

Publication number: CN211638795U
Application number: CN201922118217.3U
Authority: CN
Inventors: 张鹤; 徐春华; 夏海龙; 孙奎峰; 刘庆涛; 田兆斌
Original assignee: Shandong CRRC Tongli Steel Structure Co Ltd
Current assignee: Shandong CRRC Tongli Steel Structure Co Ltd
Priority date: 2019-11-29
Filing date: 2019-11-29
Publication date: 2020-10-09
Anticipated expiration: 2029-11-29

Abstract

The utility model discloses a wind power tower cylinder flange group is to device, it is big with the group of shell ring to artifical intensity of labour that the flange was big among the prior art, problem of inefficiency has and alleviates manual work intensity to guarantee the beneficial effect of flange plane degree, its scheme as follows: a flange pairing device for a wind power tower comprises a supporting seat, a flange pairing device and a flange pairing device, wherein the supporting seat comprises a plurality of supporting bases which are arranged at intervals at set distances so as to support a flange and a shell ring from the bottom; the rotating base is arranged in the center of the plurality of supporting bases; the adjusting arm supports through rotating base, and the adjusting arm can realize rotating for rotating base, and the adjusting arm includes the telescopic link and is used for the flange hole location couple that articulates with the flange hole, and one side of flange hole location couple is located to the telescopic link.

Description

Flange assembling device for wind power tower

Technical Field

The utility model relates to a wind-powered electricity generation field especially relates to a wind power tower cylinder flange group is to device.

Background

The tower barrel of the wind power generation tower is composed of a plurality of sections, wherein a single section is formed by assembling and welding a plurality of barrel sections, each barrel section is welded by adopting a steel plate winding drum, and the barrel sections at two ends are connected with flanges through flange circumferential seams; the tower drum sections are connected through flanges. If the flatness of the flange exceeds the tolerance, the flange connection stress is too large, and the safe operation of the fan is affected.

The flatness of the flange of the electric tower barrel is a key process for restricting the assembling quality of the tower barrel, when the flange barrel is assembled, the flatness is out of tolerance, the pass percent of the flatness of the flange after assembly welding is 50 percent, flame is needed to correct, time and labor are wasted, and the product quality is directly influenced.

In the existing flange assembly method, in order to enable the cylinder section and the flange to be completely butted, the misalignment amount meets the technical specification requirement, spot welding is carried out along the circumference before girth welding, and the size and the position degree of the flange and the cylinder section during girth welding are ensured. During spot welding, the radial adjustment is carried out on the shell ring at the position of a welding spot, and the misalignment amount of the shell ring is uniformly distributed and adjusted to be within the allowable range of the technical specification. Because the shell ring steel plate is thick, and rigidity is big, need use jack and simple and easy frock to finely tune at the shell ring, but this kind of mode needs the continuous removal of manual work thousand golden tops, and intensity of labour is big, and is efficient. In addition, when the flange and the shell ring are paired in the past, the flatness of the flange supporting surface of the lower support cannot be guaranteed, due to deformation under the action of gravity, the pairing gap between the shell ring and the flange is too large or uneven, the flatness of the flange is out of tolerance after pairing, and the flatness of the flange is out of tolerance, so that subsequent welding quality is affected.

SUMMERY OF THE UTILITY MODEL

In order to overcome the not enough of prior art, the utility model provides a wind power tower cylinder flange group is to device can effectively realize the group of flange and shell ring to, does not need artifical constantly to remove the jack, and the group is convenient, and can guarantee to back flange plane degree quality.

The specific scheme of the wind power tower flange pairing device is as follows:

a wind power tower flange pairing device comprises:

the supporting base comprises a plurality of supporting bases which are arranged at intervals of a set distance so as to support the flange and the shell ring from the bottom;

the rotating base is arranged in the center of the plurality of supporting bases;

the adjusting arm supports through rotating base, and the adjusting arm can realize rotating for rotating base, and the adjusting arm includes the telescopic link and is used for the flange hole location couple that articulates with the flange hole, and one side of flange hole location couple is located to the telescopic link.

Foretell wind power tower cylinder flange group is to device, flange and shell ring support through the supporting seat, and rotating base is located to the adjusting arm, and the adjusting arm can realize fixing a position the flange with articulating of flange like this at the rotation in-process, and the size of the unfitness of butt joint is adjusted to extension of rethread telescopic link like this, then carries out spot welding operation again, has made things convenient for the group of flange and shell ring to work like this greatly, need not artifical transport jack, and it is comparatively convenient to operate.

Furthermore, in order to save the material of the supporting seat and facilitate the spot welding work, the supporting bases are uniformly distributed at different diameters of a ring, the rotating base is arranged at the circle center of the ring, the supporting bases have set height and thickness, and a set space is arranged between every two adjacent supporting bases so as to facilitate the operation of workers.

Further, the support base comprises an upper top plate and a lower bottom plate, a set height is formed between the upper top plate and the lower bottom plate, the upper top plate and the lower bottom plate are supported through supporting plates which are vertically arranged, a plurality of clamping holes are formed in two sides of the lower bottom plate, bolts can penetrate through the clamping holes conveniently through the clamping holes to achieve fixing of the support base and the ground, and the clamp holes are arranged in an open mode on one side, so that the support base can be adjusted conveniently.

Furthermore, the adjusting arm comprises a supporting arm, the supporting arm is connected with the rotary base through a rotary bearing, the supporting arm is connected with the telescopic rod, one side of the telescopic rod is provided with an adjusting rod capable of stretching through the supporting frame, the adjusting rod is hinged with the flange hole positioning hook, when the adjusting arm needs to be rotated, the supporting arm rotates relative to the rotary base to rotate to achieve rotation of the adjusting arm, the adjusting rod extends, the front end of the flange hole positioning hook is pressed downwards, hooking of the flange hole positioning hook and the flange is facilitated, the adjusting rod retracts, the flange hole positioning hook is lifted, and the flange hole positioning hook is loosened to hook the flange conveniently.

Further, the support arm include with the bottom plate that rotating base connects, the bottom plate surface sets up two slant arms, one side of two slant arms be used for with the connection of telescopic link, the opposite side lower surface sets up down the trompil, sets up the primary shaft through trompil down, and the primary shaft is higher than the telescopic link setting and is convenient for carry on spacingly to the telescopic link, and the space between two support arms is convenient for passing of telescopic link and sets up, guarantees the stability that the adjustment arm set up like this.

Furthermore, the support frame is a hydraulic cylinder frame, the adjusting rod is supported by the hydraulic cylinder frame, and the front end of the hydraulic cylinder frame is hinged with the lower portion of the flange hole positioning hook.

Further, flange hole location couple includes two latches, and the one end of two latches is passed through the secondary shaft and is connected, and this secondary shaft is located the top of support frame, the articulated connection is realized through the front end of articulated shaft and support frame to the lower part of two latches, and the adjusting lever is connected with the articulated shaft, and the adjusting lever is flexible like this, is convenient for drive the up-and-down motion of flange hole location couple front end, the other end setting of latch be used for with flange complex jack catch.

Furthermore, rotating base includes first board and second board, supports through a plurality of vertical faggings between first board and the second board, and the second board is opened has the screw hole, first board open have be used for with the trompil that the regulating arm is connected, wherein, first board and second board are the plectane, and first board is last, and the second board sets up under.

Furthermore, the telescopic rod is a hydraulic telescopic rod, and the telescopic rod and the adjusting rod are arranged on the same straight line, so that the accuracy of spot welding is guaranteed.

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

1) the utility model discloses an overall structure's setting is convenient for to the support of flange and shell ring, progressively rotates the in-process at the adjustment arm moreover, realizes the adjustment of misalignment volume, has made things convenient for the group of flange and shell ring to work greatly, need not artifical transport jack, and comparatively labour saving and time saving can effectively guarantee the flange plane degree after to in addition.

2) The utility model discloses a distance setting is set for at a plurality of support base intervals, not only saves the materials of supporting seat, provides the space for the workman operates moreover.

3) The utility model discloses a setting of telescopic link is convenient for adjust flange and section of thick bamboo wall unfitness of butt joint size, and it is comparatively convenient to adjust the means.

4) The utility model discloses a setting of adjusting lever, the firm block of flange hole location couple and flange of being convenient for also makes things convenient for loosening of flange hole location couple and flange moreover, is convenient for cooperate with the flange through setting up of flange hole location couple, further guarantees the accuracy of unfitness of butt joint adjustment.

5) The utility model discloses a setting of support arm can not only realize whole adjustment arm for rotating base's rotation, can effectively be spacing to the telescopic link moreover, guarantees the stability that the adjustment arm set up.

Drawings

The accompanying drawings, which form a part of the specification, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without unduly limiting the scope of the invention.

Fig. 1 is a schematic view of a flange pairing device of a wind power tower in an embodiment of the present invention;

fig. 2 is a schematic view of a structure of a support arm according to an embodiment of the present invention;

fig. 3 is a schematic view of a hydraulic steel frame according to an embodiment of the present invention;

fig. 4 is a schematic view of a rotating base according to an embodiment of the present invention;

FIG. 5 is a schematic view of a flange hole positioning hook according to an embodiment of the present invention;

fig. 6 is a schematic view of a support base according to an embodiment of the present invention;

FIG. 7 is a schematic view of the bottom surface of the bottom plate according to the embodiment of the present invention;

in the figure: 1. the hydraulic cylinder support device comprises a support base, 2 flange hole positioning hooks, 3 a hydraulic cylinder frame, 4 adjusting rods, 5 a rotary base, 6 support arms, 7 shaft sleeves and 8 telescopic rods;

1-1, a lower bottom plate, 1-2, an upper top plate, 1-3, a vertical supporting plate, 1-4, a clamping hole and 1-5, a reinforcing rib;

2-1 of a latch, 2-2 of a second shaft, 2-3 of a claw and 2-4 of a hinged shaft hole;

3-1, a frame body, 3-2, a front extension plate and 3-3, a vertical plate;

5-1, an upper circular plate, 5-2, a lower circular plate and 5-3, supporting plates;

6-1 of a bottom plate, 6-2 of an oblique arm, 6-3 of an upper opening, 6-4 of a lower opening, 6-5 of a connecting rod and 6-6 of a groove.

Detailed Description

It should be noted that the following detailed description is exemplary and is intended to provide further explanation of the invention. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments in accordance with the invention. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.

Just as the background art introduces, exist not enough among the prior art, in order to solve above technical problem, the utility model provides a wind power tower cylinder flange group is to device, combines the description attached drawing below, and is right the utility model discloses do further explanation.

The utility model discloses an among the typical embodiment, as shown in FIG. 1, a wind power tower cylinder flange group is to device, including the supporting seat that is used for supporting flange and shell ring, rotating base and regulating arm, the regulating arm includes support arm 6, telescopic link 8, hydraulic pressure adjusting lever and flange hole location couple 2, the supporting seat includes that a plurality of structures and shape are the same supports base 1, a plurality of different diameters departments that support 1 equipartition of base at a ring, the contained angle between the adjacent two supports the base is the definite value, a plurality of supports the base upper surface and is used for supporting flange and shell ring, it can be more than or equal to 6 to support the quantity that sets up of base, in this embodiment, it is preferred 8.

The supporting base 1 comprises a lower bottom plate 1-1 and an upper top plate 1-2, as shown in figure 6, a set height is arranged between the upper top plate 1-2 and the lower bottom plate 1-1, the upper top plate and the lower bottom plate are supported by a vertical supporting plate 1-3 which is vertically arranged, and the vertical supporting plates 1-3 are hollow structures, so that the weight of the supporting base is convenient to reduce, the carrying is convenient, and the side parts of the vertical supporting plates 1-3 are provided with reinforcing ribs 1-5 which are vertical to the vertical supporting plates 1-3, so that the supporting force of the supporting base can be improved, the size of the lower bottom plate is larger than that of the upper top plate, which is convenient for supporting the setting stability of the base 1, a plurality of clamping holes 1-4 are arranged on the two sides of the lower bottom plate, the bolt passes the card hole like this and realizes supporting base 1 and ground or other fixed of structure, and the uncovered setting in one side in card hole is convenient for to the adjustment of supporting base 1 position.

A rotating base 5 is arranged at the center of a plurality of supporting bases, as shown in FIG. 4, the rotating base 5 comprises an upper circular plate 5-1 and a lower circular plate 5-2, the size of the upper circular plate 5-1 is smaller than that of the lower circular plate 5-2, the upper circular plate 5-1 and the lower circular plate 5-1 are supported by a plurality of vertical supporting plates 5-3, adjacent supporting plates 5-3 are arranged at a set angle, and the lower circular plate 5-2 is provided with threaded holes for fixing the rotating base 5 by bolts.

The last plectane of rotating base 5 sets up the trompil, a be used for being connected with support arm 6, support arm 6 passes through swivel bearing and last plectane and is connected, in this embodiment, the non return dish is chooseed for use to swivel bearing, realize the rotation of support arm like this, the support arm has the space of setting for and is used for the telescopic link to pass the space setting of support arm 6, telescopic link 8 and 6 fixed connection of support arm, and the one end of telescopic link 8 sets up hydraulic cylinder frame 3, set up the adjusting lever of taking the hydraulic cylinder in the hydraulic cylinder frame 3, the adjusting lever passes hydraulic cylinder frame 3 and is connected with flange hole location couple 2 is articulated, the pneumatic cylinder drives the adjusting lever like this and stretches or withdraws, and then it is rotatory for the hydraulic cylinder frame.

It should be noted that the flange hole positioning hook 2 includes two latches 2-1, the latches 2-1 are in a reverse Z shape, as shown in fig. 5, one ends of the two latches 2-1 are connected by a second shaft 2-2, the second shaft is disposed above the hydraulic cylinder frame 3, a hinge shaft hole 2-4 is disposed at the lower portion of the two latches 2-1 for disposing a hinge shaft, the hinge shaft is connected with the front end of the hydraulic cylinder frame by the hinge shaft, the front end of the adjusting rod is connected with the hinge shaft, the other end of the latch is disposed with a claw 2-3 for cooperating with the flange, and the claw is disposed downward.

The hydraulic cylinder frame 3 comprises a frame body 3-1, the frame body 3-1 is reliably connected with the end part of a telescopic rod, so that the telescopic rod 8 is horizontally arranged under the arrangement action of the rotary base 5, two front extending plates 3-2 are arranged on the front side of the frame body 3-1, the two front extending plates 3-2 are arranged at a set distance, an adjusting rod is accommodated between the two front extending plates 3-2, a vertical plate 3-3 is arranged between the two front extending plates, the adjusting rod penetrates through the vertical plate 3-3, and a hinge hole is formed in the front side of the front extending plate 3-2 and used for arranging the hinge shaft.

The supporting arm 6 comprises a bottom plate 6-1 connected with an upper circular plate, as shown in figure 7, a connecting rod 6-5 is arranged on the lower surface of the bottom plate 6-1, the bottom plate connecting rod 6-5 penetrates through the check disc to be connected with the opening hole of the upper circular plate through threads, a groove 6-6 for accommodating the check disc is arranged on the lower surface of the bottom plate 6-1, the rotation of the supporting arm 6 relative to the rotating base 5 is realized through the arrangement of the check disc, as shown in fig. 2, the upper surface of the bottom plate is provided with two oblique arms 6-2 which are parallel to each other, the lower side of the two oblique arms 6-2 is provided with an upper opening 6-3 for connecting with the telescopic rod, the lower surface of the higher side of the oblique arm 6-2 is provided with a lower opening 6-4, the lower openings of the two sides are used for installing a first shaft, the outer side of the first shaft is provided with a shaft sleeve 7, and the shaft sleeve 7 is higher than the telescopic rod 8 so as to limit the upper surface of the telescopic.

In this embodiment, the telescopic rod 8 is a hydraulic telescopic rod, and the telescopic rod and the adjusting rod are arranged on the same straight line and are both located on the diameter of the circular ring, in other embodiments, the telescopic rod 8 may also be a telescopic rod driven by other power.

A use method of a wind power tower flange pairing device comprises the following steps:

the flange is supported by a circumferential supporting base, and the shell ring to be spot-welded is arranged above the flange;

respectively measuring the actual circumference of the cylinder section and the actual circumference of the flange neck through the long coil, and calculating the theoretical misalignment amount (which is the prior art and is not repeated);

rotating the adjusting arm along the circumferential direction, connecting the flange hole positioning hook with the flange, and adjusting the misalignment amount of the flange and the shell ring through the telescopic motion of the telescopic rod (specifically from inward misalignment to top);

calculating the misalignment amount between the shell ring and the flange by measuring the size of the shell ring and the size of the flange, and performing spot welding on the shell ring and the flange when the misalignment amount is consistent with the theoretical misalignment amount calculated in the previous step;

after spot welding is completed, the telescopic rod is retracted, the adjusting rod is retracted, and the flange hole positioning hook is retracted;

and repeating the steps until the assembly work of the whole flange shell ring is completed.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a wind power tower cylinder flange group is to device which characterized in that includes:

2. The flange pairing device for the wind power tower cylinder as claimed in claim 1, wherein a plurality of the supporting bases are uniformly distributed at different diameters of a ring, and the rotating base is arranged at the center of the ring.

3. The wind power tower cylinder flange group assembly device of claim 1, wherein the supporting base comprises an upper top plate and a lower bottom plate, a set height is formed between the upper top plate and the lower bottom plate, the upper top plate and the lower bottom plate are supported through a supporting plate which is vertically arranged, and a plurality of clamping holes are formed in two sides of the lower bottom plate.

4. The wind power tower cylinder flange pairing device as claimed in claim 1, wherein the adjusting arm comprises a supporting arm, the supporting arm is connected with the rotating base through a rotating bearing, the supporting arm is connected with the telescopic rod, one side of the telescopic rod is provided with an adjusting rod capable of achieving stretching through a supporting frame, and the adjusting rod is hinged to the flange hole positioning hook.

5. The wind tower flange pairing device as claimed in claim 4, wherein the support arm comprises a bottom plate connected with the rotating base, two inclined arms are arranged on the surface of the bottom plate, one side of each inclined arm is used for being connected with the telescopic rod, a lower opening is formed in the lower surface of the other side of each inclined arm, a first shaft is arranged through the lower opening, and the first shaft is higher than the telescopic rod.

6. The wind tower flange pairing device as claimed in claim 4, wherein the support frame is a hydraulic cylinder frame, and the adjusting rod is supported by the hydraulic cylinder frame.

7. The wind power tower flange pairing device as claimed in claim 4, wherein the flange hole positioning hook comprises two latches, one ends of the two latches are connected through a second shaft, the second shaft is arranged above the support frame, lower portions of the two latches are hinged to the front end of the support frame through a hinge shaft, the adjusting rod is connected with the hinge shaft, and the other ends of the latches are provided with claws matched with the flanges.

8. The wind tower flange pairing device as claimed in claim 1, wherein the rotating base comprises a first plate and a second plate, the first plate and the second plate are supported by a plurality of vertical supporting plates, the second plate is provided with threaded holes, and the first plate is provided with holes for connecting with the adjusting arms.

9. The wind tower flange pairing device as claimed in claim 4, wherein the telescopic rod is a hydraulic telescopic rod, and the telescopic rod and the adjusting rod are arranged in the same straight line.