CN202001216U - Conical cylindrical tower - Google Patents

Abstract

The utility model relates to a conical cylindrical tower, which is characterized by comprising a plurality of sections of steel plates; each steel plate is coiled into a conical ring cylinder according to a preset cone angle, and the conical ring cylinder is welded; all the conical ring cylinders are welded section by section and are arranged and hoisted according to the conical inclination to form the conical cylindrical tower; the range of the conical inclination is 0-0.462 degree; the coiled welding lines of all the conical ring cylinders are symmetrically staggered; the two conical ring cylinders located at the lowermost part are provided with an elliptical door opening; and the thickness and the width of plates adopted by all the steel plates are set according to the loads of wind generator systems at the heights all the steel plates are at. The conical cylindrical tower is capable of transferring the loads to the maximum limit when the wind generator systems run and supporting the weights of the wind generator systems and has higher safety. The tower device can be widely applied to industry of wind power generation.

Description

Tapered cylinder pylon

Technical field

The utility model relates to a kind of support tower, particularly about a kind of tapered cylinder pylon that is used for wind power generating set.

Background technique

The height of wind power generating set is generally about 100 meters, and wind field generally is selected in wide Plain or hills, mountain region, wind speed is bigger throughout the year, and the generating set gross weight of pylon support is about 100 tons in addition, so the support of wind power generating set is very important structure member.The supporting way of existing wind power generating set mainly is truss structure and cylindrical structure, and indivedual blower fans adopt the concreting cylinder to support, and wind power generating set frame height on certain height, is utilized the wind energy in this altitude range to the greatest extent to greatest extent.The stressed two power bars combinations of adopting of traditional truss structure be subjected to the wind-force area little, but personnel climb and the layout of cable all is exposed under the external environment more, and affected by environment very big, particularly severse weather will directly influence the maintenance to blower fan; The concrete cylindrical structure is limit by concrete strength, and the pylon height can only generally be no more than thirty or forty rice in low scope, can not accomplish than higher height, and also relatively more responsive to the alternate load of blower fan, on the life-span, obviously fail and support in steel structure.And the cylinder type support tower has overcome the shortcoming of above two kinds of supports; adopt steel plate to roll, be welded; equipment such as operator and cable are within the shielded cylinder; made things convenient for personnel's climbing; guaranteed the protection of equipment; usually the cylinder type pylon of each wind power generating set producer all has structural difference, if any the straight cylinder type and the wealthy up and down shape of the mouth as one speaks.Wherein, diameter is the same up and down for the straight cylinder type pylon, whole pylon is heavier, and the basis is required height, has increased the blowing area of whole pylon in addition, the stressed increase of whole blower fan, the more important thing is has increased the blower fan wake effect, directly influences the generated energy of peripheral blower fan, for reducing the influence of straight cylinder type pylon wake effect, the distance between the blower fan must be increased, soil and wind-resources can be wasted so again; Wealthy up and down shape of the mouth as one speaks pylon has one section contraction at intermediate section, though overcome the big shortcoming of straight cylinder type blowing area, its minimum diameter is than the summit is all little a lot of up and down, and when the blower fan load change was very big, as easy as rolling off a log generation buckling failure produced the blower fan collapse accident.

Summary of the invention

At the problems referred to above, it is higher that the purpose of this utility model provides a kind of Security, can prolong an interior service life of equipment, and be applicable to that the wheel hub center height is the cartridge type pylon of 90 meters, 2A class and following wind field.

For achieving the above object, the utility model is taked following technological scheme: a kind of tapered cylinder pylon, it is characterized in that: it comprises the plurality of sections steel plate, the described steel plate of each section rolls into a tapered collar tube and welding according to predefined cone angle, welding piecemeal again between the described tapered collar tube of each section, and arrange by conical taper and to lift into described tapered cylinder pylon that described conical taper scope is 0～0.462 angle value; The welded seam that rolls of the described tapered collar tube of each section adopts staggered, symmetric arrangement; The two described tapered collar tubes that are positioned at bottommost are provided with an oval-shaped door opening; The described steel plate of each section adopts thickness, the width of sheet material to be provided with according to the wind-powered electricity generation unit load of the described steel plate of each section height of living in.

The joint of adjacent two described tapered collar tubes is welded with the flange that is used to reinforce, and described tapered cylinder pylon is connected by carrying out bolt between described flange and wind-powered electricity generation unit and the basis.

The described steel plate of each section all adopts integral plate.

All can weld the ad eundem steel construction piece inside and outside the described tapered collar tube of each section.

The utility model is owing to take above technological scheme, it has the following advantages: 1, the utility model is according to the whole stressing conditions of wind power generating set, employing is rolled by the plurality of sections steel plate and is welded into the tapered collar tube, each ring tube is again through welding, lifting into tapered cylinder pylon by tapered arrangement, therefore, load when having realized transmitting the wind power generating set operation to greatest extent also supports wind power generating set weight, and Security is higher.2, the utility model is owing to adopt most economical different-thickness steel plate arrangement, and according to wind power generating set load formulation layout cone angle, can adjust the arrangement of the steel plate of continuous thickness, also reduce the wind power generating set overall weight as much as possible, reduce additional effect power the basis.Consider transportation problem simultaneously, not requirement such as superelevation ultralong overweight when having accomplished highway transport.3, the utility model is because the tapered cylinder pylon that adopts can guarantee being connected firmly of basis, and tapered cylindrical tower top of the trellis can be according to cabin interface variation diameter, accomplish minor diameter as much as possible, so both guaranteed the firm of basis, accomplished that again blowing area is less.4, to adopt scope be the cartridge type pylon that the conical taper of 0～0.462 angle value is arranged in the present invention, can also guarantee to support the generator set weight certain wind regime under, and the while can accomplish that materials economize most.The utility model can be widely used in the wind-power electricity generation industry.

Description of drawings

Fig. 1 is an overall structure schematic representation of the present utility model;

Fig. 2 is an oval door opening of the present utility model mounting point schematic representation;

Fig. 3 is tapered collar tube of the present utility model and flanged connecting structure schematic representation.

Embodiment

Below in conjunction with drawings and Examples the utility model is described in detail.

As shown in Figure 1 and Figure 2, it is 90 meters, 2A class and following wind field that the utility model is used for the wheel hub center height, it comprises the plurality of sections steel plate, and each section steel plate rolls into a tapered collar tube 1 and welding according to predefined cone angle, and weld strength is not less than the intensity of each section steel plate itself.Weld piecemeal between each section tapered collar tube 1 again, and lift into tapered cylinder pylon by the conical taper layout, this conical taper scope is 0～0.462 angle value.And the welded seam that rolls of each section tapered collar tube 1 adopts staggered, symmetric arrangement; Weld strength between each section tapered collar tube 1 is higher than the intensity of steel plate mother metal.The two tapered collar tubes 1 that are positioned at bottommost are provided with an oval-shaped door opening 2, and door opening 2 is as the passage of the tapered cylinder pylon of turnover, and the requirement that it not only will satisfy ergonomics makes things convenient for personnel to pass in and out.Because the height and position of door opening 2 openings directly influences the intensity of tapered cylindrical tower frame, therefore, load condition and the operator of the height and position of door opening 2 during by fan operation transport goods, the last inferior influence factor decision of personnel, tapered cylindrical tower frame intensity can be accomplished neither to influence like this, operator's climb altitude can be reduced again as far as possible.Wherein, each section steel plate adopts thickness, the width of sheet material to be provided with according to the wind power generating set load of each section steel plate height of living in.

In the foregoing description, the conical taper of arranging between each section tapered collar tube 1 is by the concrete performance load decision of wind power generating set, the i.e. stressed decision that is produced by cabin weight and blade sweeping area.Cabin weight and the blade sweeping area maximum load when operation has determined the size of the driftage bearing of blower fan, under the prerequisite that guarantees tower top diameter minimum, and then has determined tapered cylindrical tower top of the trellis diameter dimension.Simultaneously, because tapered cylinder pylon bottom and tower foundation Conncetion cimension are determined by the tower foundation connection interface, tower foundation to satisfy complete machine weight and when operation maximum load requirement, the connection interface size generally can not surpass the requirement for restriction of land route transportation in principle simultaneously.

In the foregoing description, as shown in Figure 3, the joint of adjacent two tapered collar tubes 1 is welded with the flange 3 that is used to reinforce, and realizes that by flange 3 tapered cylinder pylon is connected with bolt between wind power generating set and the basis.

In the various embodiments described above, each section steel plate all adopts integral plate, rolls welding according to predefined cone angle then.

In the various embodiments described above, on the cartridge type pylon short transverse of the present utility model continuously thickness, do not change under the situation of arranging cone angle, each section steel plate can be adjusted its height, and then saves material and welding expense.But, can not adjust between the steel plate of different-thickness.

In the various embodiments described above, all can weld other ad eundem steel construction piece inside and outside each section tapered collar tube 1, be used to connect the miscellaneous equipment of wind power generating set.

The various embodiments described above only are used to illustrate the utility model; the structure of each parts, size, the position is set and shape all can change to some extent; on the basis of technical solutions of the utility model; all improvement and equivalents of individual component being carried out according to the utility model principle all should not got rid of outside protection domain of the present utility model.

Claims (5)

1. tapered cylinder pylon, it is characterized in that: it comprises the plurality of sections steel plate, the described steel plate of each section rolls into a tapered collar tube and welding according to predefined cone angle, welding piecemeal again between the described tapered collar tube of each section, and arrange by conical taper and to lift into described tapered cylinder pylon that described conical taper scope is 0～0.462 angle value; The welded seam that rolls of the described tapered collar tube of each section adopts staggered, symmetric arrangement; The two described tapered collar tubes that are positioned at bottommost are provided with an oval-shaped door opening.

2. tapered cylinder pylon as claimed in claim 1, it is characterized in that: the joint of adjacent two described tapered collar tubes is welded with the flange that is used to reinforce, and carries out bolt by described flange between described tapered cylinder pylon and wind-powered electricity generation unit and the basis and is connected.

3. tapered cylinder pylon as claimed in claim 1 is characterized in that: the described steel plate of each section all adopts integral plate.

4. tapered cylinder pylon as claimed in claim 2 is characterized in that: the described steel plate of each section all adopts integral plate.

5. as claim 1 or 2 or 3 or 4 described tapered cylinder pylons, it is characterized in that: all can weld the ad eundem steel construction piece inside and outside the described tapered collar tube of each section.

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