Truss tower steel strand steering auxiliary device and variable-slope truss tower

Abstract

The utility model relates to the field of wind power generation equipment, in particular to a truss tower steel strand steering auxiliary device and a variable-slope truss tower. The truss tower steel strand steering auxiliary device comprises a steering pipe shell, the steering pipe shell comprises a vertical section and an inclined section connected to the lower portion of the vertical section, end plates are arranged at the two ends of the steering pipe shell in a closed mode, a plurality of steel strand penetrating holes are formed in the end plates, and a positioning assembly assembly is arranged on the outer surface of the steering pipe shell. Annular sealing pieces are arranged on the peripheries of the upper end portion and the lower end portion of the steering pipe shell in a protruding mode. The structure has the advantages that the structure design is simple and reasonable, the on-site splicing difficulty is low, the installation workload is small, and higher reliability can be provided for a truss tower structure system.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of wind power generation equipment, especially truss tower steel strand turning auxiliary device and variable slope truss tower. BACKGROUND

[0002] With the development of wind power generation, the hub height of wind turbine generators is higher and higher, and the wind power tower of 140m-185m has successively entered engineering application, and the main structure form of high tower at present can be selected is mixed tower and truss tower. In combination with the actual engineering application of the truss tower at present, the truss tower section does not exceed the blade part, which limits the application of the truss tower in the engineering field. In order to better adapt to the development of high tower, the variable slope truss tower scheme can better solve the present problem.

[0003] At present, for this tower form, the prestressed steel strand needs to be turned. However, there is no special turning auxiliary device in the prior art, and a relatively complex structure often needs to be arranged at the transition of the inclined section and the straight section to achieve the purpose of steel strand turning.

[0004] Therefore, it is necessary to develop a truss tower steel strand turning auxiliary device and a variable slope truss tower to overcome the above technical problems. CONTENT OF THE UTILITY MODEL

[0005] The utility model solves the technical problem that a truss tower steel strand turning auxiliary device and a variable slope truss tower are provided, which effectively overcome the defects of the prior art.

[0006] The technical scheme for solving the above technical problem is as follows:

[0007] A truss tower steel strand turning auxiliary device, comprising a turning pipe shell, the turning pipe shell comprising a vertical section and an inclined section connected to the lower part of the vertical section, the both ends of the turning pipe shell being closed with end plates, a plurality of steel strand perforations being arranged on the end plates, a positioning assembly being arranged on the outer surface of the turning pipe shell, and a ring-shaped sealing element being protruded on the outer periphery of the upper end and the lower end of the turning pipe shell.

[0008] On the basis of the above technical scheme, the utility model can also be improved as follows.

[0009] Further, the sealing element is a ring-shaped rubber plate.

[0010] Further, the positioning assembly comprises a plurality of first ear plates arranged circumferentially along the turning pipe shell, and positioning holes are arranged on the first ear plates.

[0011] Further, the first ear plate is a fan ring.

[0012] Further, the positioning hole is a waist round hole.

[0013] Further, the first ear plate is provided with four.

[0014] Further, the positioning assembly is arranged at the connection between the vertical section and the inclined section of the steering tube.

[0015] Beneficial effects are: simple and reasonable structure, low on-site assembly difficulty, small installation workload, and higher reliability for the truss tower structure system.

[0016] The utility model also provides a variable slope truss tower which comprises a bottom truss tower section, an upper truss tower section and the auxiliary truss tower steel strand steering device, the bottom truss tower section has a plurality of inclined first corner columns converging towards the middle part, the upper truss tower section has a plurality of vertical second corner columns, the second corner columns are arranged one by one at the upper ends of the first corner columns, the second corner columns and the first corner columns are connected through flanges, the first corner columns are provided with coaxial first sleeves, the second corner columns are provided with coaxial second sleeves, the upper ends of the first sleeves are connected with the lower ends of the second sleeves, the steering tube is inserted into one end of the first sleeve and the second sleeve, the inner wall of the first corner column is provided with a positioning structure connected with the positioning assembly, the inner walls of the first sleeve and the second sleeve are provided with limiting ring plates in sealing contact with the sealing element, and the limiting ring plates, the first sleeve, the second sleeve and the steering tube form a filling cavity filled with epoxy material.

[0017] On the basis of the above technical scheme, the utility model can also be improved as follows.

[0018] Further, the positioning structure comprises a plurality of second ear plates, the second ear plates are fixed to the upper end of the inner wall of the first sleeve in the circumferential direction, the second ear plates are fixed with studs, the first ear plates are stacked one by one on the upper ends of the second ear plates, the studs pass through the corresponding positioning holes, and the nuts are locked.

[0019] Further, the second corner column is provided with an observation hole corresponding to the upper part of the steering tube, a filling grouting pipe penetrating through the second corner column is horizontally arranged on the side wall of the second corner column, and the filling grouting pipe is communicated with the filling cavity.

[0020] Beneficial effects are: stable and reliable structure, convenient and fast assembly. DRAWINGS

[0021] Figure 1 It is a structural schematic view of the auxiliary device for truss tower steel strand steering of the utility model;

[0022] Figure 2The structural plan view of one end of the truss tower steel strand turning auxiliary device of the utility model;

[0023] Figure 3 The structural schematic view of the variable slope truss tower of the utility model;

[0024] Figure 4 For Figure 3 The structure enlarged view of A part in the middle;

[0025] Figure 5 The grouting filling arrangement view of the cavity around the deflector in the variable slope truss tower of the utility model.

[0026] In the drawings, the component list represented by each sign is as follows:

[0027] 1, turning pipe shell; 2, bottom section truss tower section; 3, upper truss tower section; 11, end plate; 12, steel strand perforation; 13, positioning assembly component; 14, sealing element; 21, first corner column; 31, second corner column; 131, first ear plate; 132, positioning hole; 211, first sleeve; 311, second sleeve; 312, observation port; 313, filling grouting pipe. DETAILED DESCRIPTION

[0028] The principles and characteristics of the utility model are described below in combination with the drawings, and the examples are only used to explain the utility model and not used to limit the scope of the utility model.

[0029] Example 1

[0030] As Figure 1 , 2 shown, the truss tower steel strand turning auxiliary device of the embodiment includes a turning pipe shell 1, the turning pipe shell 1 includes a vertical section and an inclined section connected to the lower part of the vertical section, the both ends of the turning pipe shell 1 are closed with end plates 11, a plurality of steel strand perforations 12 are arranged on the end plates 11, positioning assembly components 13 are arranged on the outer surface of the turning pipe shell 1, and annular sealing elements 14 are protruded on the outer periphery of the upper end and the lower end of the turning pipe shell 1.

[0031] The truss tower steel strand turning auxiliary device of the embodiment is assembled with other components through the positioning assembly components 13, since the whole turning pipe shell 1 includes a vertical section and an inclined section, it can be well and stably assembled at the butt joint of the adjacent two slope changing trusses, and the end plates 11 at both ends are provided with a plurality of steel strand perforations 12, thereby facilitating the guiding of the steel strand. The overall structure design is simple and reasonable, the on-site assembly difficulty is low, the installation workload is small, and higher reliability can be provided for the truss tower structure system.

[0032] In the embodiment, the sealing member 14 is a rubber ring. The sealing member 14 can form a filled sealing cavity with the strand sleeve when assembled.

[0033] In the embodiment, the positioning assembly 13 includes a plurality of first ear plates 131 arranged circumferentially along the steering tube 1. The first ear plates 131 are provided with positioning holes 132.

[0034] In the embodiment, the first ear plates 131 are fan-shaped.

[0035] In the embodiment, the positioning holes 132 are waist-shaped holes. The waist-shaped holes allow the steering tube 1 to be adjusted in the horizontal direction.

[0036] In the embodiment, the first ear plates 131 are four in number.

[0037] In the embodiment, the positioning assembly 13 is arranged at the joint between the vertical section and the inclined section of the steering tube 1. This facilitates the assembly of the entire steering device at the joint between two sections of the truss with different slopes.

[0038] Embodiment 2

[0039] As shown in FIGS. Figure 3 , 4 , 5, the variable-slope truss tower of the embodiment includes a bottom truss tower section 2, an upper truss tower section 3, and the truss tower strand steering auxiliary device of Embodiment 1. The bottom truss tower section 2 has a plurality of inclined first corner columns 21 converging towards the middle of the bottom truss tower section 2. The upper truss tower section 3 has a plurality of vertical second corner columns 31, which are arranged one-to-one at the upper ends of the first corner columns 21. The second corner columns 31 and the first corner columns 21 are flange-coupled. The first corner columns 21 are provided with first sleeves 211 coaxially arranged therein. The second corner columns 31 are provided with second sleeves 311 coaxially arranged therein. The upper ends of the first sleeves 211 are coupled to the lower ends of the second sleeves 311. The steering tube 1 is inserted into one end of the first sleeve 211 and the second sleeve 311. The inner walls of the first corner columns 21 are provided with positioning structures for connecting the positioning assembly 13. The inner walls of the first sleeves 211 and the second sleeves 311 are provided with limiting ring plates for sealingly contacting the sealing member 14. The limiting ring plates, the first sleeves 211, the second sleeves 311, and the steering tube 1 form a filled cavity, which is filled with epoxy-based material.

[0040] In the variable slope truss tower of the embodiment, the upper end of the first sleeve 211 inside each inclined corner column (i.e. the first corner column 21) of the bottom truss tower section 2 is inserted into the inclined section of the transition pipe shell 1, and then assembled with the positioning structure on the inner wall of the first sleeve 211 by the positioning and assembling assembly 13 on the outer periphery of the transition pipe shell 1, then the upper truss tower section 3 is assembled on the upper end of the bottom truss tower section 2, and the upper end of each vertical corner column (i.e. the second corner column 31) of the upper truss tower section 3 is respectively and correspondingly butted on the upper end of each inclined corner column of the lower bottom truss tower section 2, and the vertical section of the transition pipe shell 1 is inserted into the second sleeve 311 inside each vertical corner column of the upper truss tower section 3, after assembly, the sealing member 14 on the upper end of the transition pipe shell 1 is in sealing contact with the limiting ring plate on the inner wall of the second sleeve 311, and the sealing member 14 on the lower end of the transition pipe shell 1 is in sealing contact with the limiting ring plate on the inner wall of the first sleeve 211, then the epoxy-based material b is injected into the filling cavity for filling. The overall structure is stable and reliable, and the assembly is convenient and fast.

[0041] In the embodiment, the positioning structure includes a plurality of second ear plates, the plurality of second ear plates are fixed on the upper end of the inner wall of the first sleeve 211 in the circumferential direction, threaded studs are fixed on the second ear plates, and the plurality of first ear plates 131 are correspondingly superimposed on the upper end of the second ear plates, and the threaded studs pass through the corresponding positioning holes 132 and are locked by nuts. During assembly, the plurality of first ear plates 131 are sleeved on the threaded studs of the corresponding second ear plates through the positioning holes 132, and then are locked and fixed by nuts. The assembly is convenient and fast.

[0042] In the embodiment, the second corner column 31 is provided with an observation port 312 at a position corresponding to the upper part of the transition pipe shell 1, a filling and grouting pipe 313 that passes through the second corner column 31 is transversely arranged on the side wall of the second corner column 31, and the filling and grouting pipe 313 communicates with the filling cavity. During assembly, the inside can be observed by inserting a device such as an endoscope through the observation port 312, and the epoxy-based material can be injected through the filling and grouting pipe 313 outside the corner column.

[0043] In the embodiment, the upper end of the first sleeve 211 and the lower end of the second sleeve 311 can be sealed and fixed by welding after butt joint, or can be sealed and fixed by other ways.

[0044] In the description of the utility model, it is understood that the orientation or positional relationship indicated by 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" and the like is the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, which is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the device or element indicated must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the utility model.

[0045] In addition, the terms "first" and "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined with "first" and "second" can explicitly or implicitly include at least one of the features. In the description of the utility model, the meaning of "multiple" is at least two, such as two, three, etc., unless otherwise specifically limited.

[0046] In the utility model, unless otherwise specifically defined and limited, the terms "mounting", "connection", "connection", "fixing" and the like should be understood broadly, for example, it can be fixed connection, or detachable connection, or integrated; it can be mechanical connection, or electrical connection; it can be directly connected, or indirectly connected through intermediate medium, it can be the communication or interaction relationship between two elements, unless otherwise specifically limited. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0047] In the utility model, unless otherwise specifically defined and limited, the first feature is "on" or "under" the second feature, which can be direct contact between the first and second features, or indirect contact between the first and second features through intermediate medium. Moreover, the first feature "above", "above" and "above" the second feature can be directly above or obliquely above the first feature, or only indicate that the horizontal height of the first feature is higher than that of the second feature. The first feature "below", "below" and "below" the second feature can be directly below or obliquely below the first feature, or only indicate that the horizontal height of the first feature is less than that of the second feature.

[0048] In the description of the present specification, the description referring to the terms "one embodiment", "some embodiments", "an example", "a specific example", or "some examples" and the like means that the specific features, structures, materials or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present application. In the present specification, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any appropriate manner in any one or more embodiments or examples. Furthermore, the person skilled in the art can combine and combine the different embodiments or examples described in the present specification and the features of the different embodiments or examples, without contradiction.

[0049] Although the embodiments of the present application have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present application, and the person skilled in the art can make changes, modifications, replacements and modifications to the above embodiments within the scope of the present application.

Claims

1. A truss tower steel strand turning assist device, characterized by: The application relates to a steel strand diversion auxiliary device for a truss tower, which comprises a diversion pipe shell (1) which comprises a vertical section and an inclined section connected to the lower part of the vertical section, and end plates (11) are arranged at the two ends of the diversion pipe shell (1), a plurality of steel strand through holes (12) are arranged on the end plates (11), a positioning and assembling assembly (13) is arranged on the outer surface of the diversion pipe shell (1), and annular sealing members (14) are arranged on the outer periphery of the upper end and the lower end of the diversion pipe shell (1).

2. A truss tower steel strand turning assist device according to claim 1, characterized in that: The sealing member (14) is an annular rubber plate.

3. A truss tower steel strand turning assist device according to claim 1, characterized in that: The positioning and assembling assembly (13) comprises a plurality of first ear plates (131) which are arranged in the circumferential direction of the diversion pipe shell (1), and positioning holes (132) are arranged on the first ear plates (131).

4. A truss tower steel strand turning assist device according to claim 3, characterized in that: The first ear plate (131) is a fan-shaped ring.

5. A truss pylon steel strand turning aid as claimed in claim 4, characterised in that: The positioning hole (132) is a waist-shaped hole.

6. A truss tower steel strand turning assist device according to claim 3, characterized by: The first ear plate (131) is provided with four first ear plates.

7. A truss pylon steel strand turning aid according to any one of claims 3 to 6, characterised in that: The positioning and assembling assembly (13) is arranged at the joint between the vertical section and the inclined section of the diversion pipe shell (1).

8. A variable slope truss tower characterized by: The application relates to a steel strand diversion auxiliary device for a truss tower, which comprises a diversion pipe shell (1) which comprises a vertical section and an inclined section connected to the lower part of the vertical section, and end plates (11) are arranged at the two ends of the diversion pipe shell (1), a plurality of steel strand through holes (12) are arranged on the end plates (11), a positioning and assembling assembly (13) is arranged on the outer surface of the diversion pipe shell (1), and annular sealing members (14) are arranged on the outer periphery of the upper end and the lower end of the diversion pipe shell (1).

9. A variable slope truss tower according to claim 8, characterized in that: The positioning structure comprises a plurality of second ear plates which are fixed to the inner wall of the upper end of the first sleeve (211) in the circumferential direction, threaded studs are fixed to the second ear plates, the first ear plates (131) are arranged on the upper ends of the second ear plates in a one-to-one correspondence mode, the threaded studs pass through the corresponding positioning holes (132), and nuts are locked.

10. A variable slope truss tower according to claim 8, characterized in that: An observation hole (312) is arranged on the upper part of the diversion pipe shell (1) of the second corner column (31), a filling and grouting pipe (313) which passes through the second corner column (31) is arranged on the lateral wall of the second corner column (31) in a transverse penetrating mode, and the filling and grouting pipe (313) is communicated with the filling cavity.

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