CN112664032B - Cable anchoring device, cable tower and wind power generating set - Google Patents

Abstract

The invention relates to a cable anchoring device, a cable-type tower and a wind power generating set, comprising: a base; , the other end of the cable connecting portion extends away from the base and is used for connecting with the cable. The cable anchoring device, the cable-type tower and the wind power generator set provided by the embodiments of the present invention can ensure the connection and fixation between the cable and the foundation, and can also ensure the force direction requirements of the cable, so that the cable-type tower The frame has higher stability.

Description

Cable anchoring device, cable tower and wind power generating set

technical field

The invention relates to the technical field of wind power, in particular to a cable anchoring device, a cable tower and a wind power generating set.

Background technique

With the rapid development of the wind power industry, high towers have gradually become a development trend. The cable-stayed tower can meet the height of the tower without increasing the weight of the tower. It meets the needs of the market with its excellent performance and has a wide range of applications. application prospects. As the height of the tower increases, the costs of production, transportation and installation of the tower will also increase. The cable-stayed tower is widely used because of its unique structural properties that can improve the overall stress of the tower.

However, in the construction process of the existing cable-type towers, the construction accuracy of the civil works is very high. If the error is too large, there will be some discrepancies between the connection structure connected with the cable and the installation structure used to install the cable on the foundation. The angle is not convenient for the connection and fixation between the cable and the foundation, and it will also affect the force direction of the cable, thereby affecting the overall stability of the cable-type tower.

Therefore, need badly a kind of stay cable anchorage device, new stay cable type tower and wind power generating set.

Contents of the invention

The embodiments of the present invention provide a cable anchoring device, a cable-type tower and a wind power generator set, which can ensure the connection and fixation between the cable and the foundation, and can also ensure the force direction requirements of the cable, so that the cable-type The tower has higher stability performance.

On the one hand, according to the embodiment of the present invention, a cable anchoring device is proposed, including: a base; The other end of the connecting part extends away from the base and is used for connecting with the cable.

According to an aspect of the embodiment of the present invention, the base includes a supporting part and a rotating shaft connected to the supporting part, and one end of the cable connecting part in its own length direction is rotationally connected to the base through the rotating shaft.

According to an aspect of the embodiments of the present invention, the length of the rotating shaft is greater than the thickness of the cable connecting portion in the axial direction of the rotating shaft, and the relative position between the cable connecting portion and the rotating shaft is adjustable in the axial direction.

According to an aspect of the embodiment of the present invention, the supporting part includes a base and two or more supporting seats respectively connected to the base, the two or more supporting seats are arranged at intervals along the axial direction of the rotating shaft, and each supporting seat is provided with To the through installation hole, the rotating shaft is plugged into the installation hole of each support base, and the cable connection part is located between two adjacent support bases.

According to an aspect of the embodiment of the present invention, each supporting seat is provided with a notch, and the notch runs through the side wall of the supporting seat along the axial and radial directions of the rotating shaft, and the supporting seat forms two opposite free ends at the notch, and the two The minimum distance between two free ends is greater than or equal to the minimum radial dimension of the shaft.

According to an aspect of the embodiment of the present invention, the rotating shaft is provided with engaging grooves opposite to each supporting seat, and each engaging groove is formed by the outer peripheral surface of the rotating shaft being recessed on its own axis. Shoulders are formed at both ends of the shaft; the part of the rotating shaft provided with a clamping groove cooperates with the mounting hole of the support part, and the shoulders abut against the end surface of the support seat in the axial direction.

According to an aspect of the embodiment of the present invention, the distance between a group of adjacent two support seats is greater than the axial thickness of the cable connection part, and the cable connection part is located between the two adjacent support seats and The adjusting part is clamped between the supporting seat and the connection part of the cable, and the size of the adjusting part in the axial direction is adjustable.

According to an aspect of the embodiment of the present invention, the cable connection part is respectively provided with adjustment parts at both ends in the axial direction, at least one adjustment part includes more than two adjustment pads, and the adjustment pads are detachably connected to the rotating shaft; or, at least one adjustment part The telescopic cylinder is included, and one of the cylinder body and the cylinder rod of the telescopic cylinder leans against the connecting portion of the cable, and the other is connected to the base.

According to an aspect of an embodiment of the present invention, at least one adjustment component includes two or more adjustment pads, the adjustment pad includes a positioning portion and an adjustment portion, the adjustment portion is located between the support seat and the cable connection portion, and the adjustment portion has an arc-shaped opening, surrounding The side wall of the arc-shaped opening is combined to surround at least part of the rotating shaft, the positioning part is arranged on the side of the adjusting part away from the arc-shaped opening, and the adjustment pad is in the form of a flat plate as a whole; the cable anchoring device further includes a connecting rod arranged on the base , the connecting rod passes through the positioning part and is rotatably connected with the positioning part.

According to an aspect of the embodiment of the present invention, the adjusting pad further includes a clamping portion intersecting with the adjusting portion and the positioning portion, and the clamping portion is provided with a clamping hole penetrating in the axial direction.

According to an aspect of the embodiment of the present invention, the cable anchoring device further includes an axial limiter, the axial limiter is connected to the support part and the rotating shaft, so as to limit the movement of the rotating shaft relative to the support part in the axial direction; and/or, the support part It has a strip hole, and the length direction of the strip hole intersects with the axial direction of the rotating shaft.

According to an aspect of the embodiment of the present invention, the cable connecting part includes a first connecting part and a second connecting part connected to each other, the cable connecting part is rotatably connected with the rotating shaft through the first connecting part, and the second connecting part is used to connect with the cable For connection, in the length direction, the relative positions of the first connecting piece and the second connecting piece are adjustable.

According to an aspect of the embodiment of the present invention, one of the first connecting piece and the second connecting piece is plugged into the other and threaded or clearance fit with each other; and/or, the second connecting piece is provided with A socket extending in the direction for attaching and accommodating a cable.

According to an aspect of an embodiment of the present invention, the first connecting member has a first connecting end, a second connecting end, and a cavity between the first connecting end and the second connecting end that are oppositely arranged along the length direction; the first connecting end Sleeved on the rotating shaft and rotatably connected with the rotating shaft, the second connecting end is provided with a guide hole extending along the length direction and communicating with the cavity, the second connecting part is located in the cavity and includes a fixing part for installing the cable and a The screw-connected adjustment cap, the fixing part at least partly extends into the guide hole, and the adjustment cap abuts against the side wall enclosing and forming the cavity.

According to an aspect of the embodiment of the present invention, the cable connection part further includes a protective cover, the protective cover is arranged in the cavity and connected with the first connecting part, and the protective cover is arranged to cover the second connecting part; and/or, the cable connection The part further includes a waterproof cap, the waterproof cap is connected to the second connection end, and the waterproof cap has a cable hole passing through along the length direction.

According to an aspect of the embodiment of the present invention, the first connecting piece includes a shaft connecting piece and a transition connecting piece, the shaft connecting piece and the transition connecting piece are hinged to each other through a hinge shaft, the first connecting piece is rotatably connected to the rotating shaft through the shaft connecting piece, the first The connecting piece is connected to the second connecting piece through a transition piece.

According to one aspect of the embodiment of the present invention, the axial direction of the hinged shaft intersects with the axial direction of the rotating shaft, and the shaft connector includes a bar extending along the length direction and a rotating sleeve arranged at the end of the bar, and the rotating sleeve is sleeved on the The rotating shaft, the strips are hinged to each other through the hinge shaft and the transition connector; or, the axial direction of the hinge shaft is arranged parallel to the axial direction of the rotating shaft, the shaft connector is a strip plate with a predetermined length, and the two shaft connectors in the length direction The ends are oppositely provided with a first hole and a second hole, the first hole is in clearance fit with the rotating shaft, and the second hole is hinged with the transition piece through the hinge shaft.

On the other hand, according to an embodiment of the present invention, a cable-stayed tower is proposed, including: a tower body; the above-mentioned cable anchoring device, the cable anchoring device and the tower body are arranged at intervals; One end is connected with the tower body and the other end is connected with the cable connecting portion of the cable anchoring device.

According to another aspect of the embodiment of the present invention, the cable-stayed tower further includes a cable-stayed foundation, and the cable-stayed anchoring device is movably connected to the cable-stayed foundation through a base, and the cable-stayed foundation has a dimension along the height direction of the tower body. It is 300mm-1000mm, and the cable foundation has more than two steps in the height direction.

In yet another aspect, an embodiment of the present invention provides a wind power generating set, including the above-mentioned cable-stayed tower.

According to the cable anchoring device, the cable-type tower and the wind power generating set provided by the embodiments of the present invention, the cable anchoring device includes a base and a cable connecting part. connection, the other end extends away from the base and is used to connect with the stay cable, when it is applied to the stay cable tower, it can be connected with the stay cable through the end of the stay cable connection part away from the base, by making the stay cable connected The base is rotated with the base as the center of rotation, which can make up for the error caused by civil construction, and thus better ensure the connection between the cable and the foundation. At the same time, the angle adjustment can also ensure that the force direction of the cable meets the preset requirements. , so that the cable tower has higher stability.

Description of drawings

The features, advantages, and technical effects of exemplary embodiments of the present invention will be described below with reference to the accompanying drawings.

Fig. 1 is a schematic structural view of a wind power generating set according to an embodiment of the present invention;

Fig. 2 is the structural representation of the cable-type tower of the embodiment of the present invention;

Fig. 3 is a view of the use state of the cable anchoring device according to one embodiment of the present invention;

Fig. 4 is a schematic structural view of a cable anchoring device according to an embodiment of the present invention

Fig. 5 is a schematic structural view of a support part according to an embodiment of the present invention;

Fig. 6 is a schematic structural view of a rotating shaft according to an embodiment of the present invention;

Fig. 7 is a schematic structural view of an axial limiter according to an embodiment of the present invention;

Fig. 8 is a schematic structural view of an adjusting pad according to an embodiment of the present invention;

Fig. 9 is a schematic cross-sectional structural view of a cable anchoring device according to an embodiment of the present invention;

Fig. 10 is a schematic structural view of a first connector according to an embodiment of the present invention;

Fig. 11 is a schematic structural diagram of a protection unit according to an embodiment of the present invention;

Fig. 12 is a view of the use state of the cable anchoring device according to another embodiment of the present invention;

Fig. 13 is a partial structural schematic diagram of a cable anchoring device according to another embodiment of the present invention;

Fig. 14 is a schematic diagram of the cooperation of the shaft connector and the transition connector according to another embodiment of the present invention;

Fig. 15 is a view of the use state of the cable anchoring device according to another embodiment of the present invention;

Fig. 16 is a partial structural schematic diagram of a cable anchoring device according to yet another embodiment of the present invention;

Fig. 17 is a schematic diagram of the cooperation of the shaft connector and the transition connector according to another embodiment of the present invention.

in:

1- cable anchoring device;

10 - base;

11-support part; 111-base; 111a-strip hole; 112-support seat; 112a-installation hole; 112b-notch;

12-rotating shaft; 121-clamping slot; 122-shoulder;

20-cable connecting part;

21-first connecting piece; 211-first connecting end; 212-second connecting end; 212a-guiding hole; 213-cavity; 214-shaft connecting piece; The first hole; 214d-the second hole; 215-the transition piece; 216-the hinge shaft;

22-second connector; 221-jack; 222-fixer; 223-adjusting cap;

23-protective cover; 231-protective unit; 231a-protective plate; 231b-locking portion; 231c-pin shaft;

24 - waterproof cap;

30-adjusting part; 30a-adjusting pad; 31-positioning part; 32-adjusting part; 321-arc opening; 33-clamping part; 331-clamping hole;

40-connecting rod;

50-axial limiter; 51-limiting ring; 52-connection protrusion;

2- tower body; 201- tower section; 202- end flange; 3- cable; 4- cable foundation; 401- steps; 5- engine room; 6- impeller; 601- hub; 602- blade; 7 - fan base;

X-axis; Y-length direction.

In the figures, the same parts are given the same reference numerals. The figures are not drawn to scale.

detailed description

Features and exemplary embodiments of various aspects of the invention will be described in detail below. In the following detailed description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. It will be apparent, however, to one skilled in the art that the present invention may be practiced without some of these specific details. The following description of the embodiments is only to provide a better understanding of the present invention by showing examples of the present invention. In the drawings and the following description, at least some well-known structures and techniques have not been shown in order to avoid unnecessarily obscuring the present invention; and, for clarity, the dimensions of some structures may have been exaggerated. Furthermore, the features, structures, or characteristics described hereinafter may be combined in any suitable manner in one or more embodiments.

The orientation words appearing in the following description are all directions shown in the figure, and are not intended to limit the specific structures of the cable anchoring device, the cable tower and the wind power generating set of the present invention. In the description of the present invention, it should also be noted that, unless otherwise specified and limited, the terms "installation" and "connection" should be understood in a broad sense, for example, it can be a fixed connection or a detachable connection, or Connected integrally; either directly or indirectly. For those skilled in the art, the specific meanings of the above terms in the present invention can be understood according to specific situations.

In order to better understand the present invention, the cable anchoring device, the cable-type tower and the wind power generating set of the present invention according to the embodiment of the present invention will be described in detail below with reference to FIGS. 1 to 17 .

Referring to FIG. 1 , an embodiment of the present invention provides a wind power generating set, which mainly includes a wind turbine foundation 7 , a cable tower, a nacelle 5 , a generator and an impeller 6 . The cable-type tower is at least partly connected to the wind turbine foundation 7 , the nacelle 5 is arranged on the top of the cable-type tower, and the generator is arranged in the nacelle 5 , which can be located inside the nacelle 5 or outside of the nacelle 5 . The impeller 6 includes a hub 601 and a plurality of blades 602 connected to the hub 601 , and the impeller 6 is connected to the rotating shaft 12 of the generator through the hub 601 . When the wind force acts on the blades 602, it drives the entire impeller 6 and the rotating shaft 12 of the generator to rotate, thereby satisfying the power generation requirements of the wind power generator set.

From the above introduction to the structure of the wind power generating set, it can be seen that the heavy equipment such as the nacelle 5, the generator and the impeller 6 are all supported above the cable-type tower. The strength and safety performance of the type tower has higher requirements.

Please refer to Fig. 2 together. In order to better meet the above-mentioned requirements of the wind power generating set, the embodiment of the present invention also provides a new cable-type tower, which includes a tower body 2, a cable anchoring device 1 and a cable 3. One end of the stay cable 3 is connected to the tower body 2 and the other end is connected to the stay cable anchoring device 1 . The connection and fixation of the cable 3 can be realized by setting the cable anchoring device 1 .

Optionally, the tower body 2 includes a plurality of stacked tower sections 201, each tower section 201 has end flanges 202 at both ends of the axial direction X, and two adjacent tower sections 201 The end flanges 202 are connected by fasteners. The number of draglines 3 can be more than two, and more than two are spaced apart from each other on the outer periphery of the tower body 2. As an optional embodiment, one end of the draglines 3 can be connected to the end flange of the tower body 2 202, for example, can be connected with the lug seat on the end flange 202. Optionally, the angle between the extension direction of the cable and the flange surface of the end flange 202 or the surface in the thickness direction is 45 Any value between °～85°, including the two end values of 45° and 85°.

Optionally, the cable anchoring device 1 can be fixedly connected to the wind turbine foundation 7. Of course, in order to better meet the requirements of the inclination angle of the cable 3 relative to the ground, optionally, the cable-type tower provided by the embodiment of the present invention can also It further includes a cable foundation 4, and the cable anchoring device 1 is connected to the cable foundation 4. By setting the cable foundation 4, the fixing of the cable anchoring device 1 can be better ensured, thereby ensuring the anchorage of the cable 3 to the tower body 2. Tensile strength.

Optionally, the size of the cable foundation 4 along the height direction of the tower body 2 is any value between 300mm-1000mm, and the two end values of 300mm and 1000mm are further optional to be any value between 500mm-800mm Through the above arrangement, it is possible to effectively prevent the occurrence of rusting, damage to the anti-corrosion layer and failure of the cable anchoring device 1 caused by irrigation of farmland crops or soaking of the cable anchoring device 1 by rainwater.

Optionally, the cable foundation 4 has more than two steps 401 in the height direction of the tower body 2 , which can facilitate the operator to go up and down the cable foundation 4 and facilitate the disassembly and maintenance of the cable anchoring device 1 .

Optionally, the cable anchoring device 1 is movably connected to the cable foundation 4. Through the above settings, the position of the cable anchoring device 1 can be adjusted according to the connection and fixing requirements of the cable 3, so as to better connect the cable 3 fixed.

As an optional implementation, in order to better ensure the connection between the cable 3 and the foundation, the embodiment of the present invention also provides a new cable anchoring device 1, which can be used as an independent The components are independently produced, sold, etc. Of course, they can also be used in the cable-stayed towers of the above-mentioned embodiments and be used as components of the cable-stayed towers.

In order to better understand the cable anchoring device 1 provided by the embodiment of the present invention, the cable anchoring device 1 according to the embodiment of the present invention will be described in detail below with reference to FIGS. 3 to 17 .

Referring to Fig. 3 and Fig. 4, the embodiment of the present invention provides a cable anchoring device 1, which includes a base 10 and a cable connecting portion 20, the cable connecting portion 20 has a predetermined length, and the cable connecting portion 20 has a predetermined length. One end in the direction Y is rotatably connected to the base 10 , and the other end of the cable connecting portion 20 extends away from the base 10 and is used for connecting with the cable 3 .

The cable anchoring device 1 provided by the embodiment of the present invention, when applied to a cable tower, the cable anchoring device 1 can be connected to the cable foundation 4 through the base 10, and can be moved through the base 10 Connect to cable foundation 4. The other end of the cable 3 away from the tower body 2 can be connected to the cable connecting portion 20 of the cable anchoring device 1. Since the cable connecting portion 20 can rotate relative to the base 10, errors generated during civil construction can be compensated, and more It is good to ensure the connection between the cable 3 and the foundation (the wind turbine foundation 7 or the cable foundation 4 ), and at the same time, it can also ensure the force direction requirement of the cable 3, so that the cable-type tower has higher stability.

Optionally, the cable connecting portion 20 is movably connected to the base 10 , and the moving direction of the cable connecting portion 20 relative to the base 10 intersects the length direction Y of the cable connecting portion 20 , and is optional to be perpendicular to each other. Through the above arrangement, the cable connection part 20 can not only rotate relative to the base 10, but also move relative to the base 10, so as to better compensate for errors generated during civil construction and ensure that the connection between the cable 3 and the foundation is fixed. Require.

As an optional embodiment, the base 10 may include a support part 11 and a rotating shaft 12 connected to the supporting part 11 , and one end of the cable connecting part 20 in the longitudinal direction Y is connected to the base 10 through the rotating shaft 12 in rotation. Optionally, the rotating shaft 12 and the base 20 may be connected in rotation. At this time, the rotating shaft 12 and the cable connecting portion 20 may be fixedly connected or rotatingly connected. It has a rotational degree of freedom requirement. Of course, in order to better meet the requirement that the cable connecting portion 20 is movable relative to the base 10 , optionally, the cable connecting portion 20 is rotatably connected to the rotating shaft 12 .

Optionally, the length of the rotating shaft 12 is greater than the thickness of the cable connecting portion 20 in the axial direction X of the rotating shaft 12 , and the relative position between the cable connecting portion 20 and the rotating shaft 12 is adjustable in the axial direction X of the rotating shaft 12 . Through the above settings, the cable anchoring device 1 can not only adapt to the inclination angle of the cable 3 relative to the ground by rotating the cable connecting part 20, thereby satisfying the connection and fixing of the cable 3, but also can be determined according to the force direction of the cable 3. Adjust the position of the cable connection part 20 in the axial direction X of the rotating shaft 12 by adjusting the position of the cable 3 away from the end of the tower body 2, so as to better meet the connection and fixation of the cable 3.

Optionally, the cable anchoring device 1 provided in the above-mentioned embodiments has a detachable connection between the rotating shaft 12 and the base 10, which facilitates the disassembly and assembly of the components of the cable anchoring device 1 and enables better adjustment of the cable The relative position between the connecting portion 20 and the rotating shaft 12 .

Please refer to Fig. 5 together. Optionally, in the cable anchoring device 1 of the above-mentioned embodiments, the support portion 11 of the base 10 may include a base 111 and more than two support bases 112 respectively connected to the base 111, two The above support bases 112 are arranged at intervals along the axial direction X of the rotating shaft 12, each supporting base 112 is provided with a mounting hole 112a penetrating along the axial direction X of the rotating shaft 12, and the rotating shaft 12 is inserted into the mounting hole of each supporting base 112 112 a , the cable connecting portion 20 is located between two adjacent supporting bases 112 . The support part 11 adopts the above-mentioned structural form, which is simple in structure, easy to process and manufacture, and can meet the installation and support requirements for the rotating shaft 12 at the same time.

In some optional embodiments, both the base 111 and the support base 112 may adopt a planar plate structure, each support base 112 is intersected with the base 111 , and optionally, each support base 112 and the base 111 are perpendicular to each other. In specific implementation, the number of support bases 112 can be determined according to the length of the rotating shaft 12 and the support strength requirements. Optionally, the number of support bases 112 can be two, and the two support bases 112 are arranged in parallel and opposite each other. The shape of the mounting hole 112 a on the shaft 112 can match the shape of the rotating shaft 12 . The support seat 112 of this structural form has low cost and is easier to process and form.

As an optional embodiment, each support seat 112 is respectively provided with a notch 112b, and the notch 112b runs through the side wall of the support seat 112 along the axial direction X and the radial direction of the rotating shaft 12, and the support seat 112 is formed at the notch 112b. Two opposite free ends, the minimum distance between the two free ends is greater than or equal to the minimum radial dimension of the rotating shaft 12 . Through the above arrangement, the rotating shaft 12 can enter or leave each support seat 112 from the opening direction of the notch 112b, which facilitates the disassembly and assembly between the rotating shaft 12 and the base 10 .

Optionally, there is an included angle between the opening direction of the notch 112b and the surface of the base 111 facing the rotating shaft 12, and the included angle is greater than 0°. Optionally, the included angle can be any value between 30° and 60°, including 30° and 60° two end values. Through the above arrangement, it can facilitate the disassembly and assembly between the rotating shaft 12 and the base 10, facilitate the adjustment of the relative position between the cable connection part 20 and the rotating shaft 12, and at the same time, can better resist the action of the cable 3 on the cable. The pulling force of the connecting portion 20 prevents the rotating shaft 12 from slipping out of the base 10 through the notch 112 b due to the pulling force when the grouped wind power generators are working.

Optionally, when the cable anchoring device 1 is applied to a cable-type tower, the opening direction of the notch 112b is perpendicular to the extension direction of the cable 3 or the length direction Y of the cable connection part 20, which can further ensure that the cable The safety performance of the anchoring device 1 when the wind power generating set is working.

Please refer to FIG. 6 together. As an optional implementation, the rotating shaft 12 is provided with engaging grooves 121 opposite to each supporting seat 112, and each engaging groove 121 is formed by the outer peripheral surface of the rotating shaft 12 being recessed on its own axis. , in the axial direction X, the rotating shaft 12 is formed with shoulders 122 at both ends of each locking groove 121, the part of the rotating shaft 12 where the locking grooves 121 are provided cooperates with the mounting hole 112a of the support part 11, and the shoulders 122 abut against The end face of the support seat 112 in the axial direction X. Through the above arrangement, it can not only facilitate the disassembly and assembly of the rotating shaft 12, but also provide a limit on the axial direction X of the rotating shaft 12 through the shoulder 122, so as to prevent the rotating shaft 12 from moving along its own axial direction X, thereby ensuring that the cable Safety when the anchor device 1 is connected to the stay cable 3 .

Optionally, the diameter of the mounting hole 112a is larger than the diameter of the position where the rotating shaft 12 has the locking groove 121, and the diameter difference ranges from any value between 3mm and 10mm, including the two extreme values of 3mm and 10mm. Through the above settings, it is convenient for the rotating shaft 12 The installation hole 112a of the supporting seat 112 can be snapped into quickly, and the rotating shaft 12 can not be moved along the axial direction X of the rotating shaft 12 better.

Please also refer to Fig. 7. Optionally, in order to better meet the limitation of the rotating shaft 12 in its own axial direction X, optionally, the cable anchoring device 1 further includes an axial limiting member 50, the axial limiting The position member 50 is connected to the support portion 11 and the rotating shaft 12 to limit the movement of the rotating shaft 12 along the axis X relative to the supporting portion 11 . Optionally, the axial limiting member 50 may include a connecting protrusion 52 and a limiting ring 51 arranged in succession. The connecting protrusion 52 is connected to the support part 11, and the limiting ring 51 is engaged and sleeved on the rotating shaft 12 and abuts against the rotating shaft 12. Leaning on the end face of the supporting part 11 in the axial direction X, the axial limiting member 50 adopts the above-mentioned structural form, which can not only meet the requirement of limiting the rotation shaft 12, but also has the advantages of simple structure and easy assembly and disassembly.

Please continue to refer to FIG. 3 to FIG. 7. Optionally, in the cable-type towers provided in the above-mentioned embodiments, the distance between a group of adjacent two support bases 112 is greater than that of the cable connecting portion 20 in the axial direction. The thickness on X, the cable connection part 20 is located between the two adjacent support seats 112 and is in clearance fit with the rotating shaft 12, and the adjustment part 30 is clamped between the support seat 112 and the cable connection part 20, and the adjustment part is on the rotating shaft The size of the axial X of 12 is adjustable.

Through the above arrangement, the thickness of the adjustment member 30 can be changed according to the displacement of the cable connecting portion 20 relative to the rotating shaft 12 in the axial direction X, thereby ensuring that the cable fixing device 1 is applied to the cable-type tower and is compatible with the cable 3 After the force direction of the cable 3 is determined, the relative position of the cable connection part 20 and the rotating shaft 12 can be fixed by the adjustment member 30 in the axial direction X, so as to ensure the stability of the adjusted position of the cable 3 .

Optionally, the two ends of the cable connection part 20 in the axial direction X of the rotating shaft 12 are respectively provided with adjustment parts 30, and by setting the adjustment parts 30 at both ends, it is possible to better ensure that the cable is connected in the axial direction X. The position adjustment requirements of the part 20 relative to the rotating shaft 12.

The adjustment member 30 can be in various structural forms, as long as the thickness in the axial direction X is variable. Optionally, at least one adjustment member 30 can include a telescopic cylinder, and one of the cylinder body and the cylinder rod of the telescopic cylinder can resist Lean against the cable connecting portion 20 , and the other is connected to the base 10 , adjust and fix the position of the cable connecting portion 20 relative to the rotating shaft 12 through the size of the cylinder rod protruding or retracting into the cylinder.

In some other embodiments, at least one adjustment component 30 may also include more than two adjustment pads 30 a, and the adjustment pads 30 a are detachably connected to the rotating shaft 12 . The adjustment part 30 is in the form of an adjustment pad 30a so that its structure is simple, and at the same time it restricts the detachable connection between the adjustment pad 30a and the rotating shaft 12, which facilitates the adjustment of the thickness of the adjustment part 32 and 30, thereby meeting the position adjustment requirements of the cable connection part 20 .

Please refer to FIG. 8 together. The adjustment pad 30a includes a positioning portion 31 and an adjustment portion 32. The adjustment portion 32 is located between the support base 112 and the cable connection portion 20, and the adjustment portion 32 has an arc-shaped opening 321, which is enclosed to form an arc-shaped opening. The side wall of 321 surrounds at least part of the rotating shaft 12. The positioning part 31 is arranged on the side of the adjusting part 32 away from the arc opening 321. The cable anchoring device 1 further includes a connecting rod 40 arranged on the base 10. The connecting rod 40 passes through The positioning part 31 is rotatably connected with the positioning part 31. The two ends of the connecting rod 40 are respectively pierced through the support seat 112 and fixed by nuts, which can prevent the adjustment pad 30a from falling off between the cable connection part 20 and the support seat 112, thereby preventing The cable connection part 20 moves between the two supporting bases 112 . The adjustment pad 30a adopts the above-mentioned structural form. After the cable 3 is stretched and the cable anchoring device 1 has been positioned, an open gasket is added according to its position to limit the axial direction of the cable connection part 20 on the rotating shaft 12. Moving on X, the setting of the arc opening 321 is convenient for personnel to operate and construct, making the construction convenient and simple, and better meeting the requirements for adjusting the position of the cable connecting portion 20 in the axial direction X.

Optionally, the arc-shaped opening 321 may specifically be a circular arc-shaped opening, the diameter of which is larger than that of the rotating shaft 12, which can facilitate the disassembly and assembly of the adjusting pad 30a.

As an optional embodiment, the adjusting pad 30a further includes a clamping portion 33, which intersects with the adjusting portion 32 and the positioning portion 31. The hole 331 and the adjustment pad 30a are in the shape of a flat plate as a whole. By providing the clamping part 33 and restricting it to have a clamping hole 331, this structural design is convenient for manual operation, further improving the convenience of the cable-type tower during construction.

Please continue to refer to Fig. 3 to Fig. 8, in some optional embodiments, in the cable anchoring device 1 provided by the above-mentioned embodiments of the present invention, the base 10 is provided with a bar-shaped hole 111a, and the length of the bar-shaped hole 111a is The direction intersects with the moving direction of the cable connecting portion 20 relative to the base 10 and the length direction Y of the cable connecting portion 20 . Through the above settings, the cable anchoring device 1 as a whole can not only have a degree of freedom of rotation according to the position of the cable, but also have a degree of freedom of movement in multiple directions, further optimize the structure of the cable anchoring device 1, make up for civil construction errors, and ensure that the cable Cable 3 connection requirements.

Optionally, the strip-shaped hole 111a can be provided on the support part 11, and the length direction Y of the strip-shaped hole 111a intersects the axial direction X of the rotating shaft 12, so that the cable anchoring device 1 can not only adapt to the angle error of the cable 3 and The error in the axial direction X of the rotating shaft 12 can also adapt to the error in the second direction intersecting with the axial direction X, that is, the cable anchoring device 1 can realize the adjustment of the cable 3 in the front, rear, left and right, and angular directions, which is better Satisfy the connection and fixation of the cable 3.

In specific implementation, the strip-shaped hole 111a can be arranged on the base 111 of the support part 11, and the number of the strip-shaped hole 111a can be determined according to the connection strength requirement between the cable foundation 4. Optionally, the number of the strip-shaped hole 111a The longitudinal direction Y and the axial direction X of the rotating shaft 12 are arranged perpendicular to each other, so as to better meet the connection and fixing requirements of the cable 3 .

Please refer to FIG. 9 and FIG. 10 together. In the cable anchoring device 1 provided by the above-mentioned embodiments of the present invention, the cable connecting part 20 may include a first connecting part 21 and a second connecting part 22 connected to each other. The cable connecting part 20 is rotatably connected to the base 10 through the first connecting piece 21, and can optionally be rotatably connected to the rotating shaft 12 of the base 10. The second connecting piece 22 is used to connect with the cable 3. In the length direction Y, the first connecting piece 21 and the relative position of the second connecting member 22 is adjustable. Through the above arrangement, the connection requirements between the cable connection part 20, the rotating shaft 12 and the cable 3 can be facilitated. At the same time, since the relative positions of the first connecting part 21 and the second connecting part 22 can be adjusted in the longitudinal direction Y, The tensioning of the cable 3 after the position is determined can be realized, so as to ensure the tensile strength requirement of the cable 3 on the tower body 2 .

As an optional implementation, in order to facilitate the connection with the cable 3, optionally, the second connecting piece 22 is provided with an insertion hole 221 extending along the length direction Y for connecting and accommodating the cable 3 , the cable 3 can be inserted into the socket 221 and be connected and fixed with the socket 221 .

In some optional embodiments, one of the first connecting piece 21 and the second connecting piece 22 is plugged into the other and is loosely fitted or screwed. Through the above-mentioned settings, the first connecting piece 21 and the second connecting piece 22 can be facilitated. Adjustment of the relative position between the second connecting parts 22 .

Optionally, the first connecting member 21 has a first connecting end 211 , a second connecting end 212 oppositely disposed along the length direction Y, and a cavity 213 between the first connecting end 211 and the second connecting end 212 . The first connecting end 211 is sleeved on the rotating shaft 12 and is rotationally connected with the rotating shaft 12. The second connecting end 212 is provided with a guide hole 212a extending along the length direction Y and communicating with the cavity 213. The second connecting member 22 is located in the cavity 213 and It includes a fixing piece 222 for installing the cable 3 and an adjusting cap 223 threadedly connected with the fixing piece 222 , the fixing piece 222 at least partly extends into the guide hole 212 a , and the adjusting cap 223 abuts against the side wall enclosing the cavity 213 . Through the above setting, when it is necessary to change the tensile strength of the cable 3 to the tower body 2, one of the adjusting cap 223 and the fixing piece 222 can be screwed to make the fixing piece 222 move along the length direction Y to change the fixing strength. The size of the piece 222 protruding into the guide hole 212a can further adjust the tensile strength of the stay cable 3 on the tower body 2 .

Please refer to FIGS. 3 to 10 together. As an optional embodiment, the cable connection part 20 further includes a protective cover 23, which is arranged in the cavity 213 and connected with the first connecting member 21. The protective cover 23 is set to cover the second connecting member 22. By arranging the protective cover 23 , man-made damage can be prevented, rainwater can be prevented from directly entering the cable connecting portion 20 , and it can be protected.

Please also refer to FIG. 11. Optionally, the protective cover 23 can be formed by splicing two symmetrically arranged protective units 231. The protective unit 231 includes a protective plate 231a and a locking portion 231b. The protective plate 231a is provided with a pin shaft 231c. The plate 231a is rotatably connected to the first connecting member 21 through a pin shaft 231c, and the locking parts 231b of the two protection units 231 are abutted with each other and can be locked by an anti-theft lock.

As an optional implementation, in the cable anchoring device 1 of the above-mentioned embodiments, the cable connection part 20 further includes a waterproof cap 24 connected to the second connection end 212, and the waterproof cap 24 has Through cable hole. By providing the waterproof cap 24 , it is possible to further prevent rainwater from entering the inner side of the cable connecting portion 20 , avoid corrosion damage, and ensure the service life of the cable anchoring device 1 .

Please refer to FIG. 12 to FIG. 14 together. It can be understood that the above-mentioned structural form of the cable connection part 20 is only an optional method, but it is not limited thereto. In some other examples, the first connection can also be made One of the connecting piece 21 and the second connecting piece 22 is plugged into the other and screwed to each other, which can also meet the requirement of adjusting the tensile strength of the tower body 2 by the adjusting cable 3 .

The first connecting piece 21 includes a shaft connecting piece 214 and a transition connecting piece 215, the shaft connecting piece 214 and the transition connecting piece 215 are hinged to each other through a hinge shaft 216, and the first connecting piece 21 is rotatably connected to the base 10 through the shaft connecting piece 214, specifically It can be rotatably connected to the rotating shaft 12 of the base 10 , and the first connecting piece 21 is connected to the second connecting piece 22 through a transition piece 215 , and can be screwed together. Through the above arrangement, not only can the connection requirements between the cable connection part 20 and the rotating shaft 12 and the cable 3 be better met, but at the same time, the first connecting part 21 and the second connecting part 22 have a degree of freedom of rotation between each other, which can Errors caused by civil construction are compensated, so as to better ensure the connection and fixation between the cable 3 and the foundation.

Please continue to refer to FIG. 12 to FIG. 14 , in some optional embodiments, the axial direction of the hinge shaft 216 intersects the axial direction X of the rotating shaft 12 or the movable direction of the cable connecting portion 20 relative to the base 10 , and the axis The connecting piece 214 includes a bar 214a extending along the longitudinal direction Y and a rotating sleeve 214b disposed at the end of the bar 214a. The rotating sleeve 214b is sleeved on the rotating shaft 12. The bar 214a is connected to the transition piece 215 through the hinge shaft 216 hinged to each other. The shaft connecting piece 214 and the transition connecting piece 215 of the first connecting piece 21 adopt this kind of matching method. On the basis of meeting the connection requirements of the cable 3, the cable can be adjusted by changing the relative positions of the shaft connecting piece 214 and the transition connecting piece 215. 3. For the tension direction of the tower body 2, for example, in order to meet the strength requirements of the cable 3, the tension direction of the cable 3 can be adjusted so that it does not intersect the axial direction X of the tower body 2, so as to better anchor the cable Performance of device 1.

Please refer to Fig. 15 to Fig. 17 together, of course, in some other examples, when the cable anchoring device 1 in the above-mentioned embodiments includes the shaft connector 214 and the transition connector 215, the hinge shaft 216 can also be The axial direction is parallel to the axial direction X of the rotating shaft 12 or the movable direction of the cable connection part 20 relative to the base 10. At this time, the shaft connection part 214 can be a strip plate with a predetermined length, and the shaft connection part 214 is in the length A first hole 214c and a second hole 214d are provided opposite to each other in the direction Y. The first hole 214c is in clearance fit with the rotating shaft 12 , and the second hole 214d is hinged to the transition piece 215 through the hinge shaft 216 . It can also meet the connection requirements between the cable connecting portion 20, the rotating shaft 12 and the cable 3, and at the same time, the inclination angle of the cable 3 can be adjusted by changing the relative position of the shaft connecting piece 214 and the transition connecting piece 215, which is better It is ensured that the stress direction of the cable 3 meets the preset requirements, that is, the force accuracy of the tension direction of the cable 3 can be ensured, so that the cable-type tower has higher stability.

In the cable anchoring device 1 provided in the above-mentioned embodiments, a protective sleeve is provided in the hole where the cable connecting portion 20 matches the rotating shaft 12 , which can be optionally a lubricating oil sleeve, so as to ensure the service life of the cable connecting portion 20 . Optionally, each structural member of the cable anchoring device 1 may be anti-corrosion hot-dip galvanized, so as to increase the service life of the cable anchoring device 1 .

Therefore, the cable anchoring device 1 provided by the embodiment of the present invention includes the base 10 and the cable connection part 20, and at the same time, the cable connection part 20 is rotatably connected to the base 10 at one end of its own length direction Y, and the other end is Extends away from the base 10 and is used to connect with the stay cable 3, so that when the stay cable anchoring device 1 is applied to a stay cable tower, it can be connected to the stay cable 3 through the end of the stay cable connection part 20 away from the base 10 By making the cable connection part 20 rotate with the base 10 as the center of rotation, the error caused by the civil construction can be compensated, and then the connection between the cable 3 and the foundation can be better ensured. At the same time, the angle adjustment can also ensure that the cable The stress direction of the cable 3 meets the preset requirements, so that the cable-stayed tower has higher stability.

At the same time, the strip-shaped hole 111a and the limited cable connecting portion 20 correspondingly provided on the base 10 can also be movably connected to the base 10, and can cooperate with the above-mentioned structure to realize adjustments in front, rear, left and right, and angular directions, so as to avoid damage due to engineering errors. construction risks. Furthermore, the cable anchoring device 1 also has versatility, strong applicability, and good economy.

However, the cable-type tower and the wind power generating set provided by the embodiments of the present invention include the cable anchoring device 1 of the above-mentioned embodiments, and the construction error of the cable foundation 4 has been considered in structural design, so that the cable anchoring device 1 At least it can adapt to the construction error in the inclination direction of the cable, and can ensure the installation and connection requirements of the cable 3. At the same time, through angle adjustment, it can also ensure that the force direction of the cable 3 meets the preset requirements, so that the cable-type tower has a higher The stable performance ensures the power generation efficiency of the wind power generating set, and is easy to popularize and apply.

While the invention has been described with reference to a preferred embodiment, various modifications may be made and equivalents may be substituted for parts thereof without departing from the scope of the invention. In particular, as long as there is no structural conflict, the technical features mentioned in the various embodiments can be combined in any manner. The present invention is not limited to the specific embodiments disclosed herein, but includes all technical solutions falling within the scope of the claims.

Claims (17)

1. A stay cable anchoring device (1), characterized in that it comprises: The base (10) includes a supporting part (11) and a rotating shaft (12) connected to the supporting part (11), and the supporting part (11) includes a base (111) and two or more parts respectively connected to the The support seat (112) of the base (111); The cable connection part (20) has a predetermined length, and one end of the cable connection part (20) in its own length direction (Y) is rotatably connected to the base (10), and the cable connection part (20) ) the other end extends away from the base (10) and is used to connect with the cable (3); The distance between a group of two adjacent supporting seats (112) is greater than the thickness of the cable connecting portion (20) in the axial direction (X) of the rotating shaft (12), and the pulling The cable connection part (20) is located between two adjacent support seats (112) and is in clearance fit with the rotating shaft (12). An adjustment component (30) is clamped, and the size of the adjustment component (30) in the axial direction (X) is adjustable. 2. The cable anchoring device (1) according to claim 1, characterized in that, one end of the cable connecting portion (20) in the longitudinal direction (Y) passes through the rotating shaft (12) and the Said base (10) is rotatably connected. 3. The cable anchoring device (1) according to claim 2, characterized in that, the length of the rotating shaft (12) is greater than that of the cable connecting portion (20) in the axial direction of the rotating shaft (12) ( The thickness on X), in the axial direction (X), the relative position of the cable connection part (20) and the rotating shaft (12) is adjustable. 4. The cable anchoring device (1) according to claim 2, characterized in that, more than two support seats (112) are arranged at intervals along the axial direction (X), each of the support seats (112) is provided with a mounting hole (112a) penetrating along the axial direction (X), and the rotating shaft (12) is plugged into the mounting hole (112a) of each support seat (112), so The cable connecting portion (20) is located between two adjacent support seats (112). 5. The cable anchoring device (1) according to claim 4, characterized in that a notch (112b) is provided on each of the support seats (112), and the notch (112b) is arranged along the axial direction (X) and the radial direction both pass through the side wall of the support seat (112), and the support seat (112) forms two opposite free ends at the gap (112b), between the two free ends The minimum distance is greater than or equal to the minimum radial dimension of the rotating shaft (12). 6. The cable anchoring device (1) according to claim 4, characterized in that, a clamping slot (121) is provided on the opposite side of the rotating shaft (12) to each of the support seats (112), and each of the The locking grooves (121) are formed by the outer peripheral surface of the rotating shaft (12) being recessed on its own axis, and in the axial direction (X), the rotating shaft (12) is formed in each of the locking grooves (121) Shoulder (122) is formed at both ends; The portion of the rotating shaft (12) where the engaging groove (121) is provided cooperates with the mounting hole (112a) of the support portion (11), and the shoulder (122) is against the support seat (112) End face in said axial direction (X). 7. The cable anchoring device (1) according to claim 1, characterized in that, the cable connecting portion (20) is respectively provided with the adjusting parts (30) at both ends of the axial direction (X) ); At least one of the adjustment components (30) includes more than two adjustment pads (30a), and the adjustment pads (30a) are detachably connected to the rotating shaft (12); Alternatively, at least one of the adjustment components (30) includes a telescopic cylinder, one of the cylinder body and the cylinder rod of the telescopic cylinder leans against the cable connection part (20), and the other is connected to the support part (11). 8. The cable anchoring device (1) according to claim 1, characterized in that at least one of the adjustment components (30) comprises more than two adjustment pads (30a), and the adjustment pads (30a) include positioning parts (31) and an adjustment part (32), the adjustment part (32) is located between the support seat (112) and the cable connection part (20), and the adjustment part (32) has an arc opening ( 321), the side wall surrounding the arc-shaped opening (321) surrounds at least part of the rotating shaft (12), and the positioning part (31) is arranged on the adjusting part (32) away from the arc-shaped opening ( 321), the adjustment pad (30a) has a flat plate-like structure as a whole; The cable anchoring device (1) further includes a connecting rod (40) arranged on the base (10), the connecting rod (40) passes through the positioning part (31) and connects with the positioning part (31) Rotate connection. 9. The cable anchoring device (1) according to claim 2, characterized in that, the cable anchoring device (1) further comprises an axial limiter (50), and the axial limiter (50) ) is connected to the supporting part (11) and the rotating shaft (12), so as to limit the moving of the rotating shaft (12) relative to the supporting part (11) along the axial direction (X); And/or, the support part (11) has a strip-shaped hole (111a), and the extending direction of the strip-shaped hole (111a) intersects the axial direction (X) of the rotating shaft (12). 10. The cable anchoring device (1) according to any one of claims 2 to 9, characterized in that, the cable connecting part (20) comprises a first connecting piece (21) and a second connecting piece connected to each other part (22), the cable connecting part (20) is rotationally connected with the shaft (12) through the first connecting part (21), and the second connecting part (22) is used to connect with the cable connection, in the longitudinal direction (Y), the relative positions of the first connecting piece (21) and the second connecting piece (22) are adjustable. 11. The cable anchoring device (1) according to claim 10, characterized in that, the first connecting member (21) has a first connecting end (211) oppositely arranged along the length direction (Y), a second connection end (212) and a cavity (213) located between the first connection end (211) and the second connection end (212); The first connecting end (211) is sheathed on the rotating shaft (12) and is rotatably connected with the rotating shaft (12), and the second connecting end (212) is provided with a A guide hole (212a) communicating with the cavity (213), the second connecting piece (22) is located in the cavity (213) and includes a fixing piece (222) for installing the cable (3) ) and an adjusting cap (223) threaded with the fixing piece (222), the fixing piece (222) at least partly extends into the guide hole (212a), and the adjusting cap (223) leans against the enclosure The side walls of the cavity (213) are formed. 12. The cable anchoring device (1) according to claim 11, characterized in that, the cable connecting part (20) further comprises a protective cover (23), and the protective cover (23) is arranged in the hollow The cavity (213) is connected to the first connecting piece (21), and the protective cover (23) is arranged to cover the second connecting piece (22); And/or, the cable connecting portion (20) further includes a waterproof cap (24), the waterproof cap (24) is connected to the second connection end (212), and the waterproof cap (24) has The cable hole through which the direction (Y) passes. 13. The cable anchoring device (1) according to claim 10, characterized in that, the first connecting piece (21) comprises a shaft connecting piece (214) and a transition connecting piece (215), and the shaft connecting piece (214) and the transition connecting piece (215) are hinged to each other through a hinge shaft (216), and the first connecting piece (21) is rotatably connected to the rotating shaft (12) through the shaft connecting piece (214), so The first connecting piece (21) is connected to the second connecting piece (22) through the transition connecting piece (215). 14. The cable anchoring device (1) according to claim 13, characterized in that, the axial direction of the hinge shaft (216) intersects the axial direction (X) of the rotating shaft (12), and the axis The connecting piece (214) includes a bar (214a) extending along the length direction (Y) and a rotating sleeve (214b) arranged at the end of the bar (214a), and the rotating sleeve (214b) covers Located on the rotating shaft (12), the strip (214a) is hinged to the transition piece (215) through the hinge shaft (216); Alternatively, the axial direction of the hinge shaft (216) is arranged parallel to the axial direction (X) of the rotating shaft (12), the shaft connecting part (214) is a strip plate with a predetermined length, and the shaft connecting part (214) A first hole (214c) and a second hole (214d) are oppositely arranged at both ends of the length direction (Y), and the first hole (214c) is in clearance fit with the rotating shaft (12), so The second hole (214d) is hinged to the transition piece (215) through the hinge shaft (216). 15. A cable tower, characterized in that it comprises: Tower body (2); The cable anchoring device (1) according to any one of claims 1 to 14, wherein the cable anchoring device (1) and the tower body (2) are spaced from each other; A cable (3), one end of the cable (3) is connected to the tower body (2) and the other end is connected to the cable connecting portion (20) of the cable anchoring device (1). 16. The cable-stayed tower according to claim 15, characterized in that, the cable-stayed tower further comprises a cable-stayed foundation (4), and the cable-stayed anchoring device (1) passes through the base ( 10) Removably connected to the cable foundation (4), the size of the cable foundation (4) along the height direction of the tower body (2) is 300mm-1000mm, the cable foundation ( 4) There are more than two steps (401) in the height direction. 17. A wind power generating set, comprising the cable-stayed tower according to claim 15 or 16.

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