Fabricated transition section of prestressed lattice type tower

Abstract

The utility model provides an assembly type transition section of a prestress lattice type tower. The assembly type transition section comprises a main barrel, lattice type corner columns and first connecting structures. The plurality of lattice type corner columns are mounted on the main cylinder body through first connecting structures; the first connecting structure comprises a cross brace, an inclined brace, a first inserting plate and a second inserting plate; one ends of the transverse support and the inclined support are fixedly connected with the main cylinder body, and the other ends of the transverse support and the inclined support are provided with slots; one end of the first inserting plate is fixedly inserted into the inserting groove in the transverse support, the second inserting plate is fixedly inserted into the inserting groove in the inclined support, and the other end of the first inserting plate and the other end of the second inserting plate are detachably connected with the lattice type corner column. Through the arrangement of the transverse supports and the inclined supports, the main cylinder body can be installed on the lattice type corner column, and through the disassembly and assembly of the first insertion plate and the second insertion plate, the transportation of the transition section can be facilitated.

Description

Technical Field

[0001] The utility model relates to the technical field of prestressed lattice towers, and particularly relates to an assembled transition section of a prestressed lattice tower. Background Technique

[0002] Wind energy is a clean and renewable energy source. Due to its high development efficiency and good economy, it has been developed on a large scale. Currently, countries around the world are vigorously building wind power plants, and wind power generation technology has also developed rapidly during the industrial expansion stage.

[0003] With the increasing demand for wind power energy, large-power and high-tower wind turbines are becoming the mainstream. For this reason, the volume of the transition section has also increased accordingly, making it inconvenient to transport the transition section. Content of the Utility Model

[0004] Aiming at the above problems existing in the prior art, the technical problem to be solved by the utility model is that the volume of the transition section is relatively large, making it inconvenient to transport the transition section.

[0005] To solve the above technical problem, the utility model adopts the following technical scheme: an assembled transition section of a prestressed lattice tower, which is characterized by comprising: a main cylinder, lattice angle columns and a first connection structure;

[0006] A plurality of the lattice angle columns are all installed on the main cylinder through the first connection structure;

[0007] The first connection structure includes: a cross brace, a diagonal brace, a first insertion plate and a second insertion plate; one end of the cross brace and the diagonal brace is fixedly connected to the main cylinder, and the other ends of the cross brace and the diagonal brace are both provided with slots; one end of the first insertion plate is fixedly inserted into the slot on the cross brace, the second insertion plate is fixedly inserted into the slot on the diagonal brace, and the other ends of the first insertion plate and the second insertion plate are detachably connected to the lattice angle column.

[0008] Preferably, a plurality of the lattice angle columns are circularly arranged around the axis of the main cylinder.

[0009] Preferably, the intersection point of the extension lines of the cross brace and the diagonal brace is located on the lattice angle column.

[0010] Preferably, the cross brace and the diagonal brace are located in the plane where the axis of the lattice angle column and the axis of the main cylinder are located.

[0011] Preferably, the first connection structure further includes: a large gusset plate, a first bolt and a second bolt; the large gusset plate is fixedly installed on the lattice angle column; the first insertion plate and the second insertion plate are both attached to the large gusset plate, and the first insertion plate is detachably connected to the large gusset plate through the first bolt, and the second insertion plate is detachably connected to the large gusset plate through the second bolt.

[0012] Preferably, a second connection structure is further included, and two ends of the second connection structure are respectively installed on two adjacent lattice angle columns.

[0013] Preferably, the second connection structure includes: a horizontal rod, a third insertion plate, a small gusset plate and a third bolt; slots are respectively formed at two ends of the horizontal rod; the small gusset plate is fixedly installed on the lattice angle column; the third insertion plate is fixedly inserted into the slot on the horizontal rod, the third insertion plate is attached to the small gusset plate, and the third insertion plate and the small gusset plate are detachably connected by the third bolt.

[0014] Preferably, a plurality of the horizontal rods are located on the same horizontal plane.

[0015] Compared with the prior art, the utility model has at least the following advantages:

[0016] In the utility model, through the arrangement of the cross braces and diagonal braces, the main cylinder can be installed on the lattice angle column. Through the disassembly and assembly of the first insertion plate and the second insertion plate, the transportation of the transition section can be facilitated, and the cross braces and diagonal braces can be more conveniently installed on the lattice angle column; through the arrangement of the slots on the cross braces and diagonal braces, the connection strength with the first insertion plate and the second insertion plate can be improved, and the cross-sectional areas of the cross braces and diagonal braces can be increased, and the structural stiffness is large. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the specific embodiments of the present utility model, the drawings required for the specific embodiments will be briefly introduced below. In all the drawings, the elements or parts do not necessarily draw according to the actual ratio.

[0018] Figure 1 It is a perspective view of an assembled transition section of a prestressed lattice tower provided in this embodiment.

[0019] Figure 2 It is a top view of an assembled transition section of a prestressed lattice tower provided in this embodiment.

[0020] Figure 3 It is a side view of an assembled transition section of a prestressed lattice tower provided in this embodiment.

[0021] Figure 4 It is a partial structural diagram of an assembled transition section of a prestressed lattice tower provided in this embodiment.

[0022] Reference numerals:

[0023] 10, main cylinder;

[0024] 20, lattice angle column; 21, large gusset plate of lattice angle column; 22, small gusset plate of lattice angle column;

[0025] 30. Diagonal brace; 31. Diagonal brace insertion plate; 311. Diagonal brace insertion plate bolt;

[0026] 40. Horizontal bar; 41. Horizontal bar insertion plate; 411. Horizontal bar insertion plate bolt;

[0027] 50. Cross brace; 51. Cross brace insertion plate; 511. Cross brace insertion plate bolt. Detailed implementation manners

[0028] The embodiments of the technical solution of the present utility model will be described in detail below with reference to the accompanying drawings. The following embodiments are only used to illustrate the technical solution of the present utility model more clearly, so they are only examples and cannot be used to limit the protection scope of the present utility model.

[0029] In the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings. It is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, so it cannot be understood as a limitation of the present utility model.

[0030] In the present utility model, unless otherwise clearly defined and limited, the terms "installation", "connection", "connection", "fixation", etc. should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or integrated; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the communication inside two elements or the interaction relationship between two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific situations.

[0031] See Figures 1-4, an embodiment provided by the present utility model: an assembled transition section of a prestressed lattice tower, comprising: a main cylinder 10, lattice corner columns 20, and a first connection structure; a plurality of lattice corner columns 20 are all installed on the main cylinder 10 through the first connection structure; further, a plurality of lattice corner columns 20 are circularly arrayed with the axis of the main cylinder 10 as the center. So that a plurality of lattice corner columns 20 are evenly distributed around the main cylinder 10, thereby fixing the main cylinder and improving the installation stability of the main cylinder 10; the first connection structure includes: a cross brace 50, a diagonal brace 30, a first insertion plate 51, and a second insertion plate 31; one end of the cross brace 50 and the diagonal brace 30 is fixedly connected to the main cylinder 10, and the other ends of the cross brace 50 and the diagonal brace 30 are both provided with slots; one end of the first insertion plate 51 is fixedly inserted into the slot on the cross brace 50, the second insertion plate 31 is fixedly inserted into the slot on the diagonal brace 30, and the other ends of the first insertion plate 51 and the second insertion plate 31 are detachably connected to the lattice corner column 20.

[0032] During specific implementation, the cross brace 50 and the diagonal brace 30 are fixedly welded to the main cylinder 10 by using a full-penetration weld. Through the arrangement of the cross brace 50 and the diagonal brace 30, the main cylinder 10 can be installed on the lattice corner column 20. By disassembling and assembling the first insertion plate 51 and the second insertion plate 31, it can be shipped in loose parts, which is convenient for the transportation of the transition section, and also makes it more convenient to install the cross brace 50 and the diagonal brace 30 on the lattice corner column 20; through the arrangement of the slots on the cross brace 50 and the diagonal brace 30, the connection strength with the first insertion plate 51 and the second insertion plate 31 can be improved, and the cross-sectional area of the cross brace 50 and the diagonal brace 30 can be increased, with large structural stiffness.

[0033] See Figures 1-4 , in other embodiments, the intersection point of the extension lines of the cross brace 50 and the diagonal brace 30 is located on the lattice corner column 20; so that a triangular structure is formed between the cross brace 50, the diagonal brace 30, and the main cylinder 10 to improve the installation stability of the main cylinder 10. Further, the cross brace 50 and the diagonal brace 30 are located in the plane where the axis of the lattice corner column 20 and the axis of the main cylinder 10 are located; thereby improving the installation stability of the main cylinder 10.

[0034] See Figures 1-4 , in other embodiments, the first connection structure further includes: a large gusset plate 21, a first bolt 511, and a second bolt 311; the large gusset plate 21 is fixedly installed on the lattice corner column 20; the first insertion plate 51 and the second insertion plate 31 are both in contact with the large gusset plate 21, and the first insertion plate 51 is detachably connected to the large gusset plate 21 through the first bolt 511, and the second insertion plate 31 is detachably connected to the large gusset plate 21 through the second bolt 311. In this way, the cross brace 50 and the diagonal brace 30 can be detachably installed on the lattice corner column 20. Specifically, both the first bolt 511 and the second bolt 311 are high-strength friction-type bolts.

[0035] SeeFigures 1-4 , in another embodiment, it further includes a second connection structure, and both ends of the second connection structure are respectively installed on two adjacent lattice angle columns 20; thereby connecting two adjacent lattice angle columns 20 and fixing the two adjacent lattice angle columns 20. Further, the second connection structure includes: a horizontal rod 10, a third insertion plate 41, a small node plate 22 and a third bolt 411; slots are respectively opened at both ends of the horizontal rod 10; the small node plate 22 is fixedly installed on the lattice angle column 20; the third insertion plate 41 is fixedly inserted into the slot on the horizontal rod 10, the third insertion plate 41 is in contact with the small node plate 22, and the third insertion plate 41 and the small node plate 22 are detachably connected by the third bolt 411; further, a plurality of horizontal rods 10 are located on the same horizontal plane.

[0036] During specific implementation, the cross sections of the cross braces 50, the diagonal braces 30 and the horizontal rod 10 can be circular or other forms of cross sections, and the third bolt 411 is a high-strength friction-type bolt; after the third insertion plates 41 at both ends of the horizontal rod 10 are in contact with the corresponding small node plates 22, the third bolt 411 is passed through the bolt holes on the third insertion plate 41 and the small node plate 22, thereby installing the horizontal rod 10.

[0037] The above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand that: they can still modify the technical solutions recorded in the foregoing embodiments, or perform equivalent replacements on some or all of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the scope of the technical solutions of the embodiments of the present invention, and they should all be covered by the scope of the claims and the description of the present invention.

Claims

1. An assembled transition section of a prestressed lattice tower, characterized in that Including: A main cylinder body, lattice angle columns and a first connection structure; A plurality of the lattice angle columns are all installed on the main cylinder body through the first connection structure; The first connection structure includes: cross braces, diagonal braces, a first insertion plate and a second insertion plate; One end of each of the cross braces and diagonal braces is fixedly connected to the main cylinder body, and slots are formed at the other ends of the cross braces and diagonal braces; one end of the first insertion plate is fixedly inserted into the slot on the cross brace, the second insertion plate is fixedly inserted into the slot on the diagonal brace, and the other ends of the first insertion plate and the second insertion plate are detachably connected to the lattice angle column.

2. The prefabricated transition section of a prestressed lattice tower according to claim 1, characterized in that, The plurality of lattice angle columns are circularly arrayed with the axis of the main cylinder body as the center.

3. The prefabricated transition section of a prestressed lattice tower according to claim 1, characterized in that, The intersection point of the extension lines of the cross braces and diagonal braces is located on the lattice angle column.

4. The prefabricated transition section of a prestressed lattice tower according to claim 1, characterized in that The cross braces and diagonal braces are located in the plane where the axis of the lattice angle column and the axis of the main cylinder body are located.

5. An assembled transition section of a prestressed lattice tower according to claim 1, characterized in that, The first connection structure further includes: a large node plate, a first bolt and a second bolt; the large node plate is fixedly installed on the lattice angle column; the first insertion plate and the second insertion plate are both in contact with the large node plate, and the first insertion plate is detachably connected to the large node plate through the first bolt, and the second insertion plate is detachably connected to the large node plate through the second bolt.

6. The prefabricated transition section of a prestressed lattice tower according to claim 1, characterized in that It further includes a second connection structure, and both ends of the second connection structure are respectively installed on two adjacent lattice angle columns.

7. The prefabricated transition section of a prestressed lattice tower according to claim 6, characterized in that, The second connection structure includes: a horizontal rod, a third insertion plate, a small node plate and a third bolt; slots are respectively formed at both ends of the horizontal rod; the small node plate is fixedly installed on the lattice angle column; the third insertion plate is fixedly inserted into the slot on the horizontal rod, the third insertion plate is in contact with the small node plate, and the third insertion plate is detachably connected to the small node plate through the third bolt.

8. The prefabricated transition section of a prestressed lattice tower according to claim 7, characterized in that, The plurality of horizontal rods are located on the same horizontal plane.

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