CN211500878U - Double-layer tower drum - Google Patents
Double-layer tower drum Download PDFInfo
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- CN211500878U CN211500878U CN202020118707.3U CN202020118707U CN211500878U CN 211500878 U CN211500878 U CN 211500878U CN 202020118707 U CN202020118707 U CN 202020118707U CN 211500878 U CN211500878 U CN 211500878U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/728—Onshore wind turbines
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Abstract
The utility model discloses a double-layer tower cylinder, which comprises at least one tower cylinder section, wherein the tower cylinder section comprises an inner layer tower cylinder section, an outer layer tower cylinder section and a plurality of reinforcing ribs arranged between the inner layer tower cylinder section and the outer layer tower cylinder section; wherein, each strengthening rib is rectangular form and extends along the longitudinal direction of tower section. This utility model provides a problem that the pylon intensity of maximization fan is not enough, adopted double-deck tower section of thick bamboo device to reduce a tower section of thick bamboo diameter and wall thickness, realized the novelty and the convenience of reinforcing pylon intensity.
Description
Technical Field
The utility model relates to a fan pylon consolidates technical field, concretely relates to double-deck tower section of thick bamboo.
Background
Along with the maximization of a fan, the load of the fan is continuously improved, the requirement on the strength of a tower is also continuously increased, the conventional cylindrical steel tower barrel is mainly designed into a single-layer tower barrel, and the method for increasing the strength of the tower is mainly realized by two methods of increasing the diameter of the tower barrel and increasing the wall thickness of the tower barrel.
However, the method of increasing the wall thickness to increase the tower strength is difficult, and as the thickness increases, the actual allowable strength of the steel material needs to be reduced, which results in a decrease in the actual strength utilization rate of the steel material. In addition, the increase of the wall thickness also increases the difficulty of bending and welding the steel plate.
Meanwhile, the method for increasing the tower strength by increasing the diameter of the tower also faces a lot of difficulties, and the diameter is not suitable to be too large because the tower is often far away from a wind field and is limited by road transportation and vehicle size.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a double-deck tower section of thick bamboo device. The tower intensity of this device aim at solving the maximization fan is not enough problem, adopts double-deck tower section of thick bamboo device to reduce a tower section of thick bamboo diameter and wall thickness, realizes the novelty and the convenience of reinforcing tower intensity.
In order to achieve the purpose, the utility model provides a double-layer tower cylinder device, which comprises at least one tower cylinder section, wherein the tower cylinder section comprises an inner layer tower cylinder section, an outer layer tower cylinder section and a plurality of reinforcing ribs arranged between the inner layer tower cylinder section and the outer layer tower cylinder section; wherein, each strengthening rib is rectangular form and extends along the longitudinal direction of tower section.
Most preferably, the tower segment is assembled from a plurality of arcuate tower elements, each tower element comprising: the second arc-shaped plate is arranged on the outer side of the first arc-shaped plate, and the arc angles of the second arc-shaped plate and the first arc-shaped plate are the same; the reinforcing rib comprises an end reinforcing rib arranged between the end parts of the first arc-shaped plate and the second arc-shaped plate and used for connecting the first arc-shaped plate and the second arc-shaped plate; the first arc-shaped plates are spliced to form an inner tower cylinder section, and the second arc-shaped plates are spliced to form an outer tower cylinder section.
Most preferably, the end reinforcing ribs are provided with connecting holes, and the adjacent end reinforcing ribs on two adjacent tower drum units are connected through bolts, so that the tower drum units are spliced into an inner layer tower drum section and an outer layer tower drum section.
Most preferably, the end reinforcing ribs on two adjacent tower drum units are connected by welding, so that the tower drum units are spliced into an inner-layer tower drum section and an outer-layer tower drum section.
Most preferably, the reinforcing bar further comprises a middle reinforcing bar disposed between the middle portions of the first and second arcuate plates.
Most preferably, the reinforcing bars are strong frames or solid ribs.
Most preferably, the inner tower section and the outer tower section are both annular single bodies, and the reinforcing ribs are fixed on the outer wall of the inner tower section and the inner wall of the outer tower section.
Most preferably, the inner tower cylinder section and the outer tower cylinder section are annular single bodies, the reinforcing ribs comprise a first reinforcing rib fixed on the outer wall of the inner tower cylinder section and a second reinforcing rib fixed on the inner wall of the outer tower cylinder section, and the first reinforcing rib and the second reinforcing rib are fixedly connected.
Most preferably, the double-layer tower comprises a plurality of tower sections arranged in the longitudinal direction, and adjacent tower sections are connected by annular flanges arranged at the upper and lower ends of the inner tower section and the outer tower section.
Most preferably, the double-deck tower further comprises at least one working platform; each working platform is arranged below the annular flange, welded on the inner side of the outer tower section or the outer side of the inner tower section and parallel to the plane of the annular flange.
Most preferably, the wall of the inner tower section of the tower section at the bottom layer is also provided with a door hole and a hole frame.
The application of the utility model discloses, the not enough problem of pylon intensity of having solved the maximization fan has adopted double-deck tower section of thick bamboo device to reduce a tower section of thick bamboo diameter and wall thickness, has realized the novelty and the convenience of reinforcing pylon intensity.
Compared with the prior art, the utility model discloses following beneficial effect has:
1. the utility model provides a segmentation is done from inside and outside to double-deck tower section of thick bamboo device, makes outer tower section of thick bamboo can directly overlap the built-up mounting on inboard tower section of thick bamboo.
2. The utility model provides a double-deck tower section of thick bamboo device utilizes double-deck design of double-deck tower section of thick bamboo device can reduce a tower section of thick bamboo diameter and wall thickness.
3. The utility model provides a double-deck tower section of thick bamboo device adopts the burst to build the transportation, can arrive the field equipment, makes the restriction on the road transportation reduce.
Drawings
FIG. 1 is a front view and a partial enlarged view of a tower unit according to example 1 provided by the present invention;
FIG. 2 is a top view of a tower unit according to example 1 provided by the present invention;
fig. 3 is a front view of a double-layered tower drum device according to embodiment 1 of the present invention;
fig. 4 is a top view of a double-layer tower drum device according to embodiment 1 of the present invention;
fig. 5 is a front view of an inner tower according to embodiment 2 of the present invention;
fig. 6 is a front view of an outer tower according to embodiment 2 of the present invention;
fig. 7 is a front view of a double-layered tower drum device according to embodiment 2 of the present invention;
fig. 8 is a top view and a partial enlarged view of a double-layer tower drum device according to an embodiment 2 of the present invention.
Detailed Description
The present invention will be further described with reference to the following embodiments, which are only used for illustrating the present invention and are not intended to limit the scope of the present invention.
Example 1
The present embodiment is a double-layer tower drum, as shown in fig. 1 and fig. 2, the double-layer tower drum includes at least one tower drum section 1, and each tower drum section 1 includes an inner tower drum section 6, an outer tower drum section 7, and a plurality of reinforcing ribs disposed between the inner tower drum section 6 and the outer tower drum section 7; wherein each strengthening rib is rectangular form and extends along the longitudinal direction of tower section 1.
In this embodiment, as shown in fig. 3 and 4, the tower section 1 is formed by splicing three arc-shaped tower units 2, and each tower unit 2 includes a first arc-shaped plate 3, a second arc-shaped plate 4 and a plurality of reinforcing ribs; the second arc 4 sets up in the first arc 3 outsides, and the camber angle of second arc 4 and first arc 3 is the same. The reinforcing ribs comprise end reinforcing ribs 5 which are arranged between the end parts of the first arc-shaped plate 3 and the second arc-shaped plate 4 and are used for connecting the first arc-shaped plate 3 and the second arc-shaped plate 4; the three first arc-shaped plates 3 are spliced to form an inner-layer tower tube section 6, and the three second arc-shaped plates 4 are spliced to form an outer-layer tower tube section 7.
The end reinforcing ribs 5 are provided with connecting holes, and the adjacent end reinforcing ribs 5 on the two adjacent tower drum units 2 are connected through bolts on the wind field site, so that the tower drum units 2 are spliced into an inner layer tower drum section 6 and an outer layer tower drum section 7, and a plurality of tower drum units 2 are axially spliced and connected to form a tower drum section 1; the bolts are maintenance-free bolts, such as torsional shear type bolts.
Adjacent end reinforcing ribs 5 on two adjacent tower drum units 2 are connected in a workshop in a welding mode, so that the tower drum units 2 are spliced into an inner tower drum section 6 and an outer tower drum section 7, and the tower drum units 2 are axially spliced and connected to form a tower drum section 1.
Further, in addition to the adjacent end reinforcing ribs 5 on the adjacent tower units 2, an intermediate reinforcing rib may be added to the middle portion (i.e., the portion other than the end portion) of the tower unit 2. The number of the intermediate reinforcing ribs 5 is determined according to the actual load and the calculation requirement of the rigidity. In this embodiment, the reinforcing ribs are strong frames or solid ribs. At least 6 reinforcing ribs are arranged.
The double-layer tower comprises a plurality of tower sections 1 arranged in the longitudinal direction, and as shown in fig. 1, the adjacent tower sections 1 are connected by annular flanges 8 arranged at the upper and lower ends of an inner tower section 6 and an outer tower section 7.
The double-layer tower barrel further comprises at least one working platform; each working platform is welded on the inner side of the outer tower section 7 or the outer side of the inner tower section 6 below the annular flange 8 and is parallel to the plane of the annular flange 8, so that each tower section 1 can be conveniently installed in a butt joint mode in the longitudinal height direction.
The working platform is annular flat steel; the flat steel is welded below the annular flange 8 by about 1.2 m, and the diameter of the flat steel exceeds the plane of the annular flange 8 by 300-500 mm.
The distance between the inner tower tube 6 and the outer tower tube 7 between the double-layer tower tube device 1 can be designed according to needs, and the first arc-shaped plate 3 and the second arc-shaped plate 4 of the inner tower tube 6 and the outer tower tube 7 are steel plates and can be bent; the middle wiring, the ladder walking and the like between the double-layer tower tube device 1 can be designed in a matching way according to actual needs.
As shown in fig. 1, if necessary, the wall of the inner tower segment 6 of the tower segment 1 at the bottom layer may be further provided with a door hole 9; is connected with the tower frame through a door hole 9; the periphery of the door hole 9 is also provided with a hole frame 10 for fixing and reinforcing the door hole 9; the cylinder wall of the tower cylinder 6 can be automatically fixed by bolts along with the development of industrial automation.
The inner tower drum 6 of the double-layer tower drum device 1 is almost isolated from the outside, the corrosion resistance level can be properly reduced, and different types of materials can be used for the inner tower drum 6 and the outer tower drum 7 in consideration of other design and condition requirements.
Example 2
The present embodiment is a double-layer tower drum, as shown in fig. 5 and 6, the double-layer tower drum includes at least one tower drum section 1, and each tower drum section 1 includes an inner tower drum section 6, an outer tower drum section 7, and a plurality of reinforcing ribs 5 disposed between the inner tower drum section 6 and the outer tower drum section 7; wherein each reinforcing rib 5 is elongated and extends in the longitudinal direction of the tower tube section 1.
In this embodiment, as shown in fig. 7 and 8, the inner tower segment 6 and the outer tower segment 7 are both annular single bodies, the reinforcing ribs 5 include a first reinforcing rib fixed on the outer wall of the inner tower segment 6 and a second reinforcing rib fixed on the inner wall of the outer tower segment 7, and the first reinforcing rib and the second reinforcing rib are fixedly connected.
The inner tower cylinder section 6 and the outer tower cylinder section 7 are both annular single bodies, and the reinforcing ribs 5 are integrally fixed on the outer wall of the inner tower cylinder section 6 and the inner wall of the outer tower cylinder section 7.
The reinforcing ribs 5 are strong frames or solid rib plates; the number of ribs 5 is determined according to the actual load and stiffness calculation requirements. In this embodiment, there are at least 3 ribs 5.
The double-layer tower comprises a plurality of tower sections 1 arranged in the longitudinal direction, as shown in fig. 8, adjacent tower sections 1 are connected by annular flanges 8 arranged at the upper and lower ends of the inner tower section 6 and the outer tower section 7.
The double-layer tower barrel further comprises at least one working platform; each working platform is welded on the inner side of the outer tower section 7 or the outer side of the inner tower section 6 below the annular flange 8 and is parallel to the plane of the annular flange 8, so that each tower section 1 can be conveniently installed in a butt joint mode in the longitudinal height direction.
The working platform is annular flat steel; the flat steel is welded below the annular flange 8 by about 1.2 m, and the diameter of the flat steel exceeds the plane of the annular flange 8 by 300-500 mm.
The distance between the inner tower tube 6 and the outer tower tube 7 between the double-layer tower tube device 1 can be designed according to the requirement; the middle wiring, the ladder walking and the like between the double-layer tower tube device 1 can be designed in a matching way according to actual needs.
As shown in fig. 5, the wall of the inner tower segment 6 of the tower segment 1 at the bottom layer may be provided with a door hole 9 if necessary; is connected with the tower frame through a door hole 9; the periphery of the door hole 9 is also provided with a hole frame 10 for fixing and reinforcing the door hole 9; the cylinder wall of the tower cylinder 6 can be automatically fixed by bolts along with the development of industrial automation.
The inner tower drum 6 of the double-layer tower drum device 1 is almost isolated from the outside, the corrosion resistance level can be properly reduced, and different types of materials can be used for the inner tower drum 6 and the outer tower drum 7 in consideration of other design and condition requirements.
The utility model discloses a theory of operation:
the double-layer tower drum device comprises at least one tower drum section, wherein the tower drum section comprises an inner layer tower drum section, an outer layer tower drum section and a plurality of reinforcing ribs arranged between the inner layer tower drum section and the outer layer tower drum section; wherein, each strengthening rib is rectangular form and extends along the longitudinal direction of tower section.
To sum up, the utility model relates to a be used for reinforced (rfd) double-deck tower section of thick bamboo device of a tower section of thick bamboo has solved the not enough problem of pylon intensity of maximization fan, has adopted double-deck tower section of thick bamboo device to reduce a tower section of thick bamboo diameter and wall thickness, has realized the novelty and the convenience of reinforcing pylon intensity.
While the present invention has been described in detail with reference to the preferred embodiments thereof, it should be understood that the above description should not be taken as limiting the present invention. Numerous modifications and alterations to the present invention will become apparent to those skilled in the art upon reading the foregoing description. Accordingly, the scope of the invention should be limited only by the attached claims.
Claims (11)
1. A double-layer tower comprising at least one tower segment, the tower segment comprising:
an inner tower section;
an outer tower section;
a plurality of reinforcing ribs arranged between the inner tower cylinder section and the outer tower cylinder section; each reinforcing rib is long and extends along the longitudinal direction of the tower tube section.
2. The double-layer tower of claim 1, wherein the tower segments are assembled from a plurality of arcuate tower elements, each tower element comprising: the reinforcing rib is arranged on the outer side of the first arc-shaped plate, and the arc angles of the second arc-shaped plate and the first arc-shaped plate are the same; the reinforcing rib comprises an end reinforcing rib arranged between the end parts of the first arc-shaped plate and the second arc-shaped plate and is used for connecting the first arc-shaped plate and the second arc-shaped plate; the first arc-shaped plates are spliced to form the inner-layer tower cylinder section, and the second arc-shaped plates are spliced to form the outer-layer tower cylinder section.
3. The double-layer tower as claimed in claim 2, wherein the end reinforcing ribs are provided with connecting holes, and the adjacent end reinforcing ribs of two adjacent tower units are connected by bolts, so that the tower units are spliced into the inner tower section and the outer tower section.
4. The double-layer tower of claim 2, wherein adjacent end stiffeners on two adjacent tower units are connected by welding, such that the tower units are spliced into the inner and outer tower segments.
5. The double-deck tower of claim 2, wherein the reinforcing ribs further comprise intermediate reinforcing ribs disposed between intermediate portions of the first and second arcuate plates.
6. The double-layer tower of claim 1, wherein the reinforcing ribs are strong frames or solid ribs.
7. The double-walled tower of claim 1, wherein the inner tower segment and the outer tower segment are both annular single segments and the reinforcing ribs are secured to an outer wall of the inner tower segment and an inner wall of the outer tower segment.
8. The double-layer tower of claim 1, wherein the inner tower section and the outer tower section are both annular single bodies, the reinforcing ribs comprise first reinforcing ribs fixed to an outer wall of the inner tower section and second reinforcing ribs fixed to an inner wall of the outer tower section, and the first reinforcing ribs and the second reinforcing ribs are fixedly connected.
9. The double-layer tower as claimed in claim 1, wherein the double-layer tower comprises a plurality of said tower segments arranged in a longitudinal direction, adjacent tower segments being connected by annular flanges provided at upper and lower ends of said inner and outer tower segments.
10. The double-deck tower as claimed in claim 9, further comprising at least one work platform; each working platform is arranged below the annular flange, welded on the inner side of the outer layer tower tube section or the outer side of the inner layer tower tube section and parallel to the plane of the annular flange.
11. The double-layer tower as claimed in claim 10, wherein the walls of the inner tower segments of the tower segments at the bottom layer are further provided with door apertures and aperture frames.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020118707.3U CN211500878U (en) | 2020-01-19 | 2020-01-19 | Double-layer tower drum |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020118707.3U CN211500878U (en) | 2020-01-19 | 2020-01-19 | Double-layer tower drum |
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| CN211500878U true CN211500878U (en) | 2020-09-15 |
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| CN202020118707.3U Active CN211500878U (en) | 2020-01-19 | 2020-01-19 | Double-layer tower drum |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113982845A (en) * | 2021-10-18 | 2022-01-28 | 袁晓世 | Fan tower cylinder structure with upper and lower ring beam structure transition sections |
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2020
- 2020-01-19 CN CN202020118707.3U patent/CN211500878U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113982845A (en) * | 2021-10-18 | 2022-01-28 | 袁晓世 | Fan tower cylinder structure with upper and lower ring beam structure transition sections |
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