CN210660442U

CN210660442U - Ground anchor device, guyed tower and wind generating set

Info

Publication number: CN210660442U
Application number: CN201921734143.XU
Authority: CN
Inventors: 崔矞飞; 杜晓勇; 吴航
Original assignee: Beijing Goldwind Science and Creation Windpower Equipment Co Ltd
Current assignee: Beijing Goldwind Science and Creation Windpower Equipment Co Ltd
Priority date: 2019-10-16
Filing date: 2019-10-16
Publication date: 2020-06-02
Anticipated expiration: 2029-10-16

Abstract

The utility model relates to a ground anchor device, drag line formula pylon and wind generating set, ground anchor device, include: the base comprises a supporting part and a guide rod connected to the supporting part; the stay cable connecting part is provided with a preset length, one end of the stay cable connecting part in the length direction of the stay cable connecting part is movably connected with the guide rod and can move along the extension direction of the guide rod, the other end of the stay cable connecting part extends to the direction far away from the guide rod and is used for being connected with the stay cable, and the extension direction is intersected with the length direction; the adjusting component is clamped between the supporting part and the inhaul cable connecting part, and the thickness of the adjusting component in the extending direction is adjustable. The embodiment of the utility model provides a ground anchor device, guyed pylon and wind generating set can guarantee that being connected between cable and the basis is fixed, can also guarantee the atress direction requirement of cable simultaneously for guyed pylon has higher stability ability.

Description

Ground anchor device, guyed tower and wind generating set

Technical Field

The utility model relates to a wind-powered electricity generation technical field especially relates to an earth anchor device, drag-line tower and wind generating set.

Background

With the rapid development of the wind power industry, the high tower gradually becomes a development trend, the stay cable type tower can meet the requirement that the height of the tower is increased while the weight of the tower is not increased, the market requirement is met through excellent performance of the stay cable type tower, and the stay cable type tower has a wide application prospect. As the height of the tower increases, the cost of production, transportation, installation, etc. of the tower also increases. The guyed tower is widely used because the specific structural property of the guyed tower can improve the stress condition of the whole tower.

However, in the process of construction, the existing guy cable tower has high requirements on the construction precision of civil engineering, and an excessive error can cause a certain position deviation between a connecting structure connected with a stay cable and an installation structure used for installing the stay cable on a foundation, so that the guy cable and the foundation are inconvenient to connect and fix, and the stability of the guy cable tower is further influenced.

Therefore, a ground anchor device, a new guyed tower and a wind turbine generator set are needed.

SUMMERY OF THE UTILITY MODEL

The embodiment of the utility model provides an earth anchor device, guyed pylon and wind generating set can guarantee that being connected between cable and the basis is fixed, can also guarantee the atress direction requirement of cable simultaneously for guyed pylon has higher stability ability.

On the one hand, according to the utility model provides an earth anchor device is proposed, include: the base comprises a supporting part and a guide rod connected to the supporting part; the stay cable connecting part is provided with a preset length, one end of the stay cable connecting part in the length direction of the stay cable connecting part is movably connected with the guide rod and can move along the extension direction of the guide rod, the other end of the stay cable connecting part extends to the direction far away from the guide rod and is used for being connected with a stay cable, and the extension direction is intersected with the length direction; the adjusting component is clamped between the supporting part and the inhaul cable connecting part, and the thickness of the adjusting component in the extending direction is adjustable.

According to an aspect of the embodiment of the present invention, the two ends of the cable connecting portion in the extending direction are respectively provided with an adjusting assembly; the at least one adjusting assembly comprises more than two adjusting cushions which are independently arranged, and each adjusting cushion is sleeved on the guide rod and is detachably connected with the guide rod; or, at least one adjusting component comprises a telescopic cylinder, one of a cylinder body and a cylinder rod of the telescopic cylinder is abutted against the inhaul cable connecting part, and the other is connected to the base.

According to an aspect of the embodiment of the present invention, the guide rod has a circular cross-section, the guide rod is sleeved with the cable connecting portion, and the cable connecting portion has rotational freedom relative to the guide rod in the circumferential direction of the guide rod; and/or, the guide arm is provided with spacing portion respectively at extending direction's both ends, and at least one spacing portion can be dismantled with the guide arm and be connected, and spacing portion supports and leans on in the terminal surface of base on extending direction.

According to the utility model discloses an aspect, the supporting part includes interconnect's base and two above supporting seats, and two above supporting seats set up along extending direction interval each other, are provided with the mounting hole that link up along extending direction on every supporting seat, and the guide arm is pegged graft in the mounting hole of each supporting seat, and cable connecting portion are located between two adjacent supporting seats.

According to the utility model discloses an aspect is provided with the bar hole on the base, and the length direction in bar hole intersects the setting with extending direction.

According to the utility model discloses an aspect, cable connecting portion include interconnect's first connecting piece and second connecting piece, and cable connecting portion are through first connecting piece and guide arm sliding fit, and the second connecting piece is used for being connected with the cable, and in length direction, the relative position of first connecting piece and second connecting piece is adjustable.

According to an aspect of the 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, which are oppositely arranged along the length direction; the guide arm is located to first link cover and with guide arm clearance fit, the second link is provided with and extends and with the bullport of cavity intercommunication along length direction, the second connecting piece is located the cavity and including the mounting that is used for installing the cable and with mounting threaded connection's regulation cap, the mounting at least part extends into the bullport, adjust the cap and lean on in the lateral wall that encloses to close formation cavity.

According to an aspect of an embodiment of the present invention, the cable connecting portion further includes a protective cover, the protective cover is disposed in the cavity and interconnected with the first connecting member, the protective cover covers the second connecting member; the protective cover comprises protective units which are arranged in pairs, each protective unit comprises a protective plate and locking parts, pin shafts are arranged on the protective plates, the protective plates are rotatably connected with the first connecting pieces through the pin shafts, and the locking parts are mutually butted and detachably connected; and/or, the cable connecting part further comprises a waterproof cap connected to the second connecting end, and the waterproof cap is provided with a cable hole penetrating along the length direction.

According to the utility model discloses an aspect, first connecting piece includes axle connecting piece and transition piece, and axle connecting piece and transition piece pass through the articulated shaft and articulate each other, and first connecting piece passes through axle connecting piece and guide arm sliding fit, and first connecting piece passes through transition piece and second connecting piece interconnect.

According to an aspect of the embodiment of the present invention, the axial direction of the hinge shaft is intersected with the extending direction, the shaft connector comprises a bar-shaped body extending along the length direction and a rotating sleeve arranged at the end of the bar-shaped body, the rotating sleeve is sleeved on the guide rod, and the bar-shaped body is mutually hinged with the transition connector through the hinge shaft; or the axial direction of the articulated shaft is parallel to the extending direction, the shaft connecting piece is a strip-shaped plate with a preset length, the two ends of the shaft connecting piece in the length direction are relatively provided with a first hole and a second hole, the first hole is in clearance fit with the guide rod, and the second hole is mutually articulated with the transition connecting piece through the articulated shaft.

In another aspect, there is provided a guyed tower according to an embodiment of the present invention, including: a tower body; in the ground anchor device, the ground anchor device and the tower body are arranged at intervals; and one end of the inhaul cable is connected with the tower body, and the other end of the inhaul cable is connected with the inhaul cable connecting part of the ground anchor device.

According to the utility model discloses in another aspect of the embodiment, stay cable formula pylon further includes the cable basis, and the earth anchor device passes through base movable connection in the cable basis, and the cable basis is 300mm-1000mm along the ascending size in the direction of height of pylon body, and the cable basis has the more than step of two-stage in the direction of height.

In another aspect, a wind turbine generator system is provided according to an embodiment of the present invention, which includes the above-mentioned guyed tower.

According to the ground anchor device, the guy cable type tower and the wind generating set provided by the embodiment of the utility model, the base of the ground anchor device comprises a supporting part and a guide rod connected on the supporting part, when the ground anchor device is applied to the guy cable type tower, one end of the guy cable connecting part far away from the guide rod is connected with the guy cable, the guy cable connecting part is moved along the extending direction of the guide rod, the error generated by civil construction can be compensated, the correspondingly arranged adjusting component is clamped between the supporting part and the guy cable connecting part, and the thickness of the adjusting component in the extending direction of the guide rod can be adjusted, so that the thickness of the adjusting component can be correspondingly adjusted along with the sliding of the guy cable connecting part, the smoothness in the position adjusting process of the guy cable connecting part and the position positioning requirement after adjustment are ensured, the connection between the guy cable and the foundation is better ensured to, so that the stay cable tower has higher stability.

Drawings

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 diagram of a wind turbine generator system according to an embodiment of the present invention;

fig. 2 is a schematic structural view of a guyed tower according to an embodiment of the present invention;

fig. 3 is a diagram illustrating a state of use of the ground anchor device according to an embodiment of the present invention;

fig. 4 is a schematic structural view of a ground anchor device according to an embodiment of the present invention

FIG. 5 is a schematic view of a guide bar according to an embodiment of the present invention;

fig. 6 is a schematic structural view of a support portion according to an embodiment of the present invention;

fig. 7 is a schematic cross-sectional view of the ground anchor device according to an embodiment of the present invention;

fig. 8 is a schematic structural view of a first connecting member according to an embodiment of the present invention;

fig. 9 is a schematic structural diagram of a protection unit according to an embodiment of the present invention;

fig. 10 is a view illustrating a state of use of the ground anchor device according to another embodiment of the present invention;

fig. 11 is a partial structural view of a ground anchor device according to another embodiment of the present invention;

FIG. 12 is a schematic view of the engagement of the first connector and the second connector of the earth anchor apparatus of another embodiment of the present invention;

fig. 13 is a state view of the ground anchor device according to another embodiment of the present invention;

fig. 14 is a partial schematic structural view of a ground anchor device according to yet another embodiment of the present invention;

figure 15 is a schematic view of the engagement of the first and second connectors of the earth anchor apparatus according to yet another embodiment of the present invention.

Wherein:

1-ground anchor means;

10-a base;

11-a support; 111-a base; 111 a-bar holes; 112-a support base; 112 a-mounting holes;

12-a guide rod; 121-a limiting part;

20-a cable connection;

21-a first connector; 211-a first connection end; 212-a second connection end; 212 a-guide hole; 213-a cavity; 214-shaft connection; 214 a-a bar; 214 b-rotating sleeve; 214 c-first hole; 214 d-second hole; 215-a transition piece; 216-articulated shaft;

22-a second connector; 221-a jack; 222-a fastener; 223-adjusting the cap;

23-a protective cover; 231-a guard unit; 231 a-shield plate; 231 b-a locking portion; 231 c-pin axis;

24-a waterproof cap;

30-an adjustment assembly; 31-a conditioning pad;

2-a tower body; 201-a column section; 202-end flange; 3-a guy cable; 4-a guy cable foundation; 401-step; 5-a cabin; 6-impeller; 601-a hub; 602-a blade; 7-a fan foundation;

x-direction of extension; y-length direction; z-circumferential direction.

In the drawings, like parts are provided with like reference numerals. The figures are not drawn to scale.

Detailed Description

Features and exemplary embodiments of various aspects of the present 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 merely intended to provide a better understanding of the invention by illustrating examples of the invention. In the drawings and the following description, at least some well-known structures and techniques have not been shown in detail in order to avoid unnecessarily obscuring the present invention; also, the dimensions of some of the structures may be exaggerated for clarity. Furthermore, the described features, structures, or characteristics may be combined in any suitable manner in one or more embodiments.

The following description is given with the directional terms shown in the drawings, and is not intended to limit the specific structure of the ground anchor device, the guyed tower and the wind turbine generator system of the present invention. In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "mounted" and "connected" are to be interpreted broadly, e.g., as either a fixed connection, a removable connection, or an integral connection; can be directly connected or indirectly connected. The specific meaning of the above terms in the present invention can be understood as the case may be, by those of ordinary skill in the art.

For better understanding of the present invention, the ground anchor device, the guyed tower and the wind turbine generator set according to the embodiment of the present invention will be described in detail with reference to fig. 1 to 15.

Referring to fig. 1, an embodiment of the present invention provides a wind turbine generator system, which mainly includes a wind turbine foundation 7, a guyed tower, a nacelle 5, a generator, and an impeller 6. The guyed tower is at least partially connected to the wind turbine foundation 7, the nacelle 5 is arranged on top of the guyed tower, and the generator is arranged on the nacelle 5, and may be located inside the nacelle 5 or, of course, outside the nacelle 5. The impeller 6 comprises a hub 601 and a plurality of blades 602 connected to the hub 601, and the impeller 6 is connected to the rotating shaft of the generator through the hub 601. When wind power acts on the blades 602, the whole impeller 6 and the rotating shaft of the generator are driven to rotate, and the power generation requirement of the wind generating set is further met.

As can be seen from the above description of the structure of the wind turbine generator system, the heavy equipment such as the nacelle 5, the generator, and the impeller 6 are supported above the guyed tower, and when the wind turbine generator system is high in height or high in power, the guyed tower has higher requirements for strength and safety performance.

Referring to fig. 2, in order to better satisfy the requirements of the wind turbine generator system, an embodiment of the present invention further provides a novel guyed tower, including a tower body 2, a ground anchor device 1 and a guy cable 3, wherein one end of the guy cable 3 is connected to the tower body 2 and the other end is connected to the ground anchor device 1. The connection and fixation of the guy cable 3 can be realized through the ground anchor device 1, and the overall strength and safety performance of the guy cable type tower are ensured.

Alternatively, the tower body 2 may include a plurality of tower sections 201 stacked on top of each other, each tower section 201 has end flanges 202 at two ends of its extending direction X, and the end flanges 202 of two adjacent tower sections 201 are connected by a fastener. The number of the guy cables 3 may be two or more, and two or more guy cables 3 are spaced apart from each other at the outer circumference of the tower body 2, and as an alternative embodiment, one end of the guy cable 3 may be connected to the end flange 202 of the tower body 2, for example, may be connected to an ear seat on the end flange 202.

Optionally, ground anchor device 1 can fixed connection on fan basis 7, of course, for the better inclination requirement that satisfies 3 relative ground of cable, optional, the embodiment of the utility model provides a stay cable formula pylon still further includes cable basis 4, and ground anchor device 1 is connected in cable basis 4, through setting up cable basis 4, can be better guarantee ground anchor device 1 fixed, and then guarantee cable 3 to the tensile strength of pylon body 2.

Optionally, the size of the guy cable foundation 4 in the height direction of the tower body 2 can be any value between 300mm and 1000mm, two end values between 300mm and 1000mm, and further any value between 500mm and 800mm, and through the arrangement, the phenomena that the ground anchor device 1 rusts, the anticorrosive coating is damaged and fails and the like caused by irrigation of farm crops or rainwater soaking the ground anchor device 1 can be effectively prevented.

Optionally, the guy cable foundation 4 has steps 401 more than two stages in the height direction of the tower body 1, so that an operator can conveniently go up and down the guy cable foundation 4, and then the ground anchor device 1 can be conveniently disassembled and maintained.

Optionally, the ground anchor device 1 and the inhaul cable foundation 4 are movably connected, and through the arrangement, the position of the ground anchor device 1 can be adjusted according to the connection fixing requirement of the inhaul cable 3, so that the inhaul cable 3 can be better and fixedly connected.

As an alternative implementation manner, in order to better ensure the connection and fixation between the guy cable 3 and the foundation, such as the guy cable foundation 4 or the tower foundation 7, the embodiment of the present invention further provides a novel ground anchor device 1, and the ground anchor device 1 may be produced, sold, etc. as an independent component, and of course, may also be used for the guy cable tower of each of the above embodiments and as a component of the guy cable tower.

For better understanding of the ground anchor device 1 provided by the embodiment of the present invention, the ground anchor device 1 of the present invention, which is an embodiment of the present invention, is described in detail below with reference to fig. 3 to fig. 15.

Referring to fig. 3 and 4 together, an earth anchor device 1 according to an embodiment of the present invention includes a base 10, a cable connecting portion 20 and an adjusting assembly 30, wherein the base 10 includes a supporting portion 11 and a guide rod 12 connected to the supporting portion 11, the cable connecting portion 20 has a predetermined length, one end of the cable connecting portion 20 in a length direction Y thereof is movably connected to the guide rod 12 and can move along an extending direction X of the guide rod 12, and the other end of the cable connecting portion 20 extends in a direction away from the guide rod 12 and is used for being connected to the cable 3. The adjusting assembly 30 is clamped between the supporting portion 11 and the cable connecting portion 20, the thickness of the adjusting assembly 30 in the extending direction X of the guide rod 12 is adjustable, and the extending direction X intersects with the length direction Y.

The embodiment of the utility model provides a ground anchor device 1, when using to guy cable formula pylon, its ground anchor device 1 can be connected in cable basis 4 through base 10, can be selected for can be through base 10 portable connection in cable basis 4. The other end that pylon body 2 was kept away from to cable 3 can be connected with cable connecting portion 20 of ground anchor device 1, because cable connecting portion 20 can remove at the extending direction X of guide arm 12 relative guide arm 12, can compensate the error that the civil engineering produced, and the adjusting part 30 of corresponding setting is because the centre gripping is between supporting part 11 and cable connecting portion 20, and the thickness of adjusting part 30 on the extending direction X of guide arm 12 is adjustable, make its thickness that can be along with cable connecting portion 20's corresponding adjustment of slip, guarantee the position location requirement after smooth and easy nature and the adjustment in the cable connecting portion 20 position control process, and then better assurance cable 3 and the basis between be connected fixedly.

As an alternative embodiment, the cable connecting portion 20 is provided with two adjusting assemblies 30 at two ends in the extending direction X, at least one adjusting assembly 30 includes two or more adjusting pads 31 independently provided from each other, and each adjusting pad 31 is sleeved on the guide rod 12 and is in clearance fit with the guide rod 12.

The two ends of the extending direction X of the cable connecting portion 20 are respectively provided with the adjusting components 30, the position of the cable connecting portion 20 on the guide rod 12 can be adjusted more conveniently, the adjusting components 30 are limited to comprise adjusting pads 31 which are independently arranged more than two, meanwhile, the guide rod 12 is sleeved with the adjusting pads 31, the adjusting pads 31 are detachably connected with the guide rod 12, the adjusting components 30 are simple in structure, the number of the adjusting pads 31 clamped between the cable connecting portion 20 and the base 10 can be changed according to the position of the cable connecting portion 20 moving relative to the guide rod 12 in the extending direction X, the thickness of the adjusting components 30 in the extending direction X is further changed, and the requirement for adjusting the position of the cable connecting portion 20 is better met.

The adjusting pad 31 may be in various structural forms, for example, a gasket structure with a notch and capable of being directly clamped on the guide rod 12, or a whole ring of gasket structures, and at this time, the guide rod 12 may be separated from the support portion 11, and then the adjusting pad 31 may be disassembled and assembled. As long as the adjustment and limit requirements for the stay wire connection part 20 can be satisfied. In specific implementation, the adjusting assemblies 30 at two ends of the cable connecting portion 20 in the extending direction X may both adopt a structural form including more than two adjusting pads 31, which is low in cost and easy to adjust.

Alternatively, the above examples define that the form of the adjusting assembly 30 including more than two adjusting pads 31 is only an optional embodiment, and in some other examples, it is also possible that at least one adjusting assembly 30 includes a telescopic cylinder, one of a cylinder body and a cylinder rod of the telescopic cylinder abuts against the cable connecting portion 20, and the other is connected to the base 10. Through the extension or contraction of the cylinder rod of the telescopic cylinder relative to the cylinder body, the requirements on the position adjustment of the stay wire connecting part 20 in the extending direction X of the guide rod 12 and the limiting effect after the position adjustment can be met.

Referring to fig. 5, in the ground anchor device 1 of each of the above embodiments, the guide rod 12 is provided with a limiting portion 121 at each of two ends in the extending direction X, at least one of the limiting portions 121 is detachably connected to the guide rod 12, and the limiting portion 121 abuts against the end surface of the base 10 in the extending direction X. Through the arrangement, the connection requirement between the guide rod 12 and the base 10 can be ensured, meanwhile, the guide rod 12 can be conveniently disassembled, and further the position of the inhaul cable connecting portion 20 in the extending direction X of the guide rod 12 can be better adjusted. In practical implementation, the limiting portions 121 may be a disk-shaped structure having a cross-sectional dimension in the extending direction X larger than that of the guide rod 12, and may be detachably connected to the guide rod 12 by a fastener such as a bolt, and of course, in some examples, one of the limiting portions 121 may also be an integral structure with the guide rod 12.

It will be appreciated that the guide rods 12 of the above embodiments of the present invention may be different shapes having predetermined lengths.

In a preferred embodiment, the guide rod 12 may have a circular cross section, and the cable connecting portion 20 is sleeved on the guide rod 12, and the cable connecting portion 20 has a rotational degree of freedom relative to the guide rod 12 in the circumferential direction Z of the guide rod 12. That is, cable connecting portion 20 not only can move along the relative guide arm 12 of extending direction X, and simultaneously, can also rotate relative guide arm 12, that is, ground anchor device 1 not only can carry out the regulation along the extending direction X of guide arm 12 according to the preset position of cable 3, simultaneously can also adjust cable connecting portion 20 with the relative position of guide arm 12 on the circumference Z of guide arm 12 according to the inclination of the relative ground of cable 3, can further compensate the error that the civil engineering produced, the atress direction that guarantees cable 3 that simultaneously can also be better through angle modulation satisfies the requirement of predetermineeing, make cable tower have higher stability can.

Referring to fig. 6, in order to better satisfy the support of the guide rod 12 and ensure the connection requirement with the cable base 4, optionally, the support portion 11 of the ground anchor device 1 of the above embodiments includes a base 111 and two or more support bases 112 connected to each other, the two or more support bases 112 are disposed at intervals along the extending direction X of the guide rod 12, each support base 112 is provided with an installation hole 112a penetrating along the extending direction X, the guide rod 12 is inserted into the installation hole 112a of each support base 112, the cable connecting portion 20 is located between two adjacent support bases 112, and the distance between the two support bases 112 disposed near the cable connecting portion 20 is greater than the thickness of the support base 112 in the extending direction X of the guide rod 12. The supporting part 11 adopts the above structure, has simple structure, is easy to process and manufacture, and can ensure the installation and supporting requirements of the guide rod.

In some alternative embodiments, the base 111 and the supporting seat 112 may both adopt a planar plate-shaped structure, each supporting seat 112 intersects with the base 111, and optionally, each supporting seat 112 is perpendicular to the base 111. In specific implementation, the number of the supporting seats 112 may be determined according to the length of the guide rod 12 and the requirement of the supporting strength, alternatively, the number of the supporting seats 112 may be two, two supporting seats 112 are arranged in parallel and opposite to each other, and the shape of the mounting hole 112a on each supporting seat 112 may match the shape of the guide rod 12. The support base 112 with the structure is low in cost and easy to machine and form.

In some optional embodiments, the ground anchor device 1 provided in the above embodiments of the present invention is provided with a strip-shaped hole 111a on the base 10, optionally, the strip-shaped hole 111a may be located on the supporting portion 11, and the length direction of the strip-shaped hole 111a intersects with the extending direction X of the guide rod 12. Through the arrangement, the ground anchor device 1 can not only adapt to errors of the stay cable 3 in the extending direction X of the guide rod 12 and angle errors of the stay cable 3, but also adapt to errors of the second direction intersecting with the extending direction X, namely, the ground anchor device 1 can adjust the angle direction of the stay cable 3 in the front and back direction, the left and right direction, and better satisfies connection and fixation of the stay cable 3.

During specific implementation, the strip-shaped holes 111a can be arranged on the base 111 of the supporting portion 11, the number of the strip-shaped holes 111a can be determined according to the requirement of the connection strength between the strip-shaped holes 111a and the cable foundation 4, and optionally, the length direction of the strip-shaped holes 111a is perpendicular to the extending direction X of the guide rod 12, so that the connection and fixing requirements of the cable 3 can be better met.

Referring to fig. 7 and 8, in the ground anchor device 1 according to the above embodiments of the present invention, the cable connecting portion 20 may include a first connecting member 21 and a second connecting member 22 connected to each other, the cable connecting portion 20 is slidably engaged with the guide rod 12 through the first connecting member 21, the second connecting member 22 is connected to the cable 3, and the relative positions of the first connecting member 21 and the second connecting member 22 are adjustable along the length direction Y. Through the arrangement, the connection requirements between the cable connecting part 20 and the guide rod 12 and between the cable 3 can be facilitated, and meanwhile, the cable 3 after the position is determined can be tensioned due to the fact that the relative positions of the first connecting piece 21 and the second connecting piece 22 are adjustable in the length direction Y, and the requirement of the cable 3 on the tension strength of the tower body 2 is met.

As an alternative embodiment, in order to facilitate the connection with the cable 3, the second connecting member 22 is optionally provided with a plug hole 221 extending along the length direction Y for connecting and accommodating the cable 3, and the cable 3 can extend into the plug hole 221 and be connected and fixed with the plug hole 221.

In some alternative embodiments, one of the first connecting piece 21 and the second connecting piece 22 is inserted into the other and is in clearance fit, and by the arrangement, the adjustment of the relative position between the first connecting piece 21 and the second connecting piece 22 can be facilitated.

Optionally, the first connecting member 21 has a first connecting end 211, a second connecting end 212 and a cavity 213 between the first connecting end 211 and the second connecting end 212, which are oppositely arranged along the length direction Y. The first connecting end 211 is sleeved on the guide rod 12 and is in clearance fit with the guide rod 12, the second connecting end 212 is provided with a guide hole 212a which extends along the length direction Y and is communicated with the cavity 213, the second connecting piece 22 is located in the cavity 213 and comprises a fixing piece 222 used for installing the inhaul cable 3 and an adjusting cap 223 in threaded connection with the fixing piece 222, at least part of the fixing piece 222 extends into the guide hole 212a, and the adjusting cap 223 abuts against the side wall which encloses the cavity 213. With the arrangement, when the tension strength of the cable 3 to the tower body 2 needs to be changed, the size of the fixing piece 222 extending into the guide hole 212a can be changed by screwing one of the adjusting cap 223 and the fixing piece 222, and the tension strength of the cable 3 to the tower body 2 can be further adjusted.

Referring to fig. 3 to 9, as an alternative embodiment, the cable connecting portion 20 further includes a protective cover 23, the protective cover 23 is disposed in the cavity 213 and connected to the first connecting member 21, and the protective cover 23 covers the second connecting member 22. Through setting up protection casing 23, can prevent artificial damage, avoid the rainwater directly to get into cable connecting portion 20 to play the guard action to it.

Optionally, the protection cover 23 includes protection units 231 arranged in pairs, the protection units 231 include protection plates 231a and locking portions 231b, a pin shaft 231c is arranged on the protection plates 231a, the protection plates 231a are rotatably connected with the first connecting member 21 through the pin shaft 231c, and the locking portions 231b are butted with each other and detachably connected to each other, and may be specifically locked by an anti-theft lock.

As an alternative implementation manner, in the ground anchor device 1 of each of the above embodiments, the cable connecting portion 20 further includes a waterproof cap 24, the waterproof cap 24 is connected to the second connecting end 212, and the waterproof cap 24 has a cable hole penetrating along the length direction Y. Through setting up waterproof cap 24, can further prevent rainwater etc. and get into the inboard of cable connecting portion 20, avoid corrosion damage, guarantee the life of earth anchor device 1.

Referring to fig. 10 to 12 together, it is understood that the above-mentioned structure of the cable connecting portion 20 is only an alternative way, but not limited thereto, in some other examples, the ground anchor device 1 according to the above-mentioned embodiment of the present invention has the first connecting member 21 and the second connecting member 22 inserted inside one another and screwed to each other, which can also satisfy the requirement of adjusting the tension strength of the cable 3 to the tower body 2.

Meanwhile, the first connecting member 21 may further include a shaft connecting member 214 and a transition connecting member 215, the shaft connecting member 214 and the transition connecting member 215 are hinged to each other by a hinge shaft 216, the first connecting member 21 is slidably fitted to the guide bar 12 by the shaft connecting member 214, and the first connecting member 21 is connected to the second connecting member 22 by the transition connecting member 215, optionally, by a mutual screw connection.

Through the setting, not only can be better satisfy the cable connecting portion 20 and the guide arm 12 and the cable 3 between be connected the requirement, simultaneously, first connecting piece 21 and second connecting piece 22 have the rotational degree of freedom each other, can further compensate the error that civil engineering construction produced, and then better assurance cable 3 is fixed with being connected between the basis.

In some alternative embodiments, the axial direction of the hinge shaft 216 intersects the extending direction X of the guide rod 12, the shaft connector 214 includes a bar-shaped body 214a extending along the length direction Y and a rotating sleeve 214b disposed at the end of the bar-shaped body 214a, the rotating sleeve 214b is sleeved on the guide rod 12, and the bar-shaped body 214a is hinged to the transition connector 215 through the hinge shaft 216. By adopting the matching manner of the shaft connecting piece 214 and the transition connecting piece 215 of the first connecting piece 21, on the basis of meeting the connection requirement of the guy cable 3, the tensioning direction of the guy cable 3 to the tower body 2 can be adjusted by changing the relative positions of the shaft connecting piece 214 and the transition connecting piece 215, for example, in order to meet the strength requirement of a guy cable type tower, the tensioning direction of the guy cable 3 can be adjusted not to intersect with the axial direction of the tower body 2, and the like, so that the performance of the ground anchor device 1 is better.

Referring to fig. 13 to 15, in some other examples, of course, in the ground anchor device in each of the above examples, when the first connecting member 21 includes the shaft connecting member 214 and the transition connecting member 215, and the axial direction of the hinge shaft 216 is also parallel to the extending direction X of the guide rod 12, in this case, the shaft connecting member 214 may be a strip-shaped plate with a predetermined length, the two ends of the shaft connecting member 214 in the length direction Y are oppositely provided with a first hole 214c and a second hole 214d, the first hole 214c is in clearance fit with the guide rod 12, and the second hole 214d is hinged to the transition connecting member 215 through the hinge shaft 216. The connection requirement between the stay cable connecting part 20 and the guide rod 12 and between the stay cable 3 can be met, meanwhile, the inclination angle of the stay cable 3 can be adjusted by changing the relative positions of the shaft connecting part 214 and the transition connecting part 215, the stress direction of the stay cable 3 can be better ensured to meet the preset requirement, namely, the stress accuracy of the tension direction of the stay cable 3 can be ensured, and the stay cable type tower has higher stability.

In the ground anchor device 1 provided by each of the above embodiments, the protecting sleeve is disposed in the hole where the cable connecting portion 20 is matched with the guide rod 12, so as to ensure the service life of the cable connecting portion 20.

Therefore, the ground anchor device 1 provided by the embodiment of the invention, because it includes the base 10, the cable connecting portion 20 and the adjusting assembly 30, when the ground anchor device 1 is applied to the cable-stayed tower, the end far away from the guide rod 12 through the cable connecting portion 20 is connected with the cable 3, and the cable connecting portion 20 slides along the guide rod 12, so as to compensate errors generated by civil engineering construction, and the correspondingly arranged adjusting assembly 30 is clamped between the supporting portion 11 and the cable connecting portion 20, and the thickness of the adjusting assembly 30 in the extending direction X of the guide rod 12 is adjustable, so that the thickness of the adjusting assembly can be correspondingly adjusted along with the movement of the cable connecting portion 20, thereby ensuring the smoothness in the position adjusting process of the cable connecting portion 20 and the position positioning requirement after adjustment, further better ensuring the connection and fixation between the cable 3 and the foundation, and simultaneously ensuring that the stress direction of the cable 3 meets the preset requirement, so that the stay cable tower has higher stability.

Further, the corresponding bar hole 111a that sets up on base 10 and restriction cable connecting portion 20 have the rotation degree of freedom etc. in the circumference Z of guide arm 12 and can cooperate above-mentioned structure to realize the regulation of front and back, left and right sides, angle direction, better avoid because of the construction risk that cable basis 4 construction error leads to. Meanwhile, the ground anchor device 1 has universality, strong applicability and good economy.

And the embodiment of the utility model provides a drag-line tower and wind generating set, because of the earth anchor device 1 including above-mentioned each embodiment, the construction error of cable basis 4 has been considered from structural design, make earth anchor device 1 can satisfy the error compensation at the extending direction X of guide arm 12 at least, can guarantee the installation and the connection requirement of cable 3, the atress direction that can also guarantee cable 3 simultaneously satisfies the requirement of predetermineeing, make drag-line tower have higher stability ability, guarantee wind generating set's power generation benefit, and the easy popularization and use.

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

Claims

1. Ground anchoring device (1), characterized in that it comprises:

a base (10) including a support portion (11) and a guide bar (12) connected to the support portion (11);

the pull cable connecting part (20) is provided with a preset length, one end of the pull cable connecting part (20) in the length direction (Y) of the pull cable connecting part is movably connected with the guide rod (12) and can move along the extending direction (X) of the guide rod (12), the other end of the pull cable connecting part (20) extends in the direction far away from the guide rod (12) and is used for being connected with a pull cable (3), and the extending direction (X) is intersected with the length direction (Y);

and the adjusting assembly (30) is clamped between the support part (11) and the cable connecting part (20), and the thickness of the adjusting assembly (30) in the extending direction (X) is adjustable.

2. Ground anchor device (1) according to claim 1, characterized in that the cable connection (20) is provided with the adjusting assembly (30) at each end in the extension direction (X);

at least one adjusting component (30) comprises more than two adjusting cushions (31) which are independently arranged, and each adjusting cushion (31) is sleeved on the guide rod (12) and is detachably connected with the guide rod (12); or at least one adjusting assembly (30) comprises a telescopic cylinder, one of a cylinder body and a cylinder rod of the telescopic cylinder is abutted against the cable connecting part (20), and the other is connected to the base (10).

3. The earth anchor device (1) according to claim 1, wherein the guide rod (12) is circular in cross section, the guide rod (12) is sleeved with the cable connecting portion (20), and the cable connecting portion (20) has a rotational degree of freedom in a circumferential direction (Z) of the guide rod (12) relative to the guide rod (12);

and/or two ends of the guide rod (12) in the extending direction (X) are respectively provided with a limiting part (121), at least one limiting part (121) is detachably connected with the guide rod (12), and the limiting part (121) abuts against the end face of the base (10) in the extending direction (X).

4. The earth anchor device (1) according to claim 1, wherein the supporting portion (11) comprises a base (111) and two or more supporting bases (112) connected to each other, the two or more supporting bases (112) are spaced apart from each other along the extending direction (X), each supporting base (112) is provided with a mounting hole (112a) penetrating along the extending direction (X), the guide rod (12) is inserted into the mounting hole (112a) of each supporting base (112), and the cable connecting portion (20) is located between two adjacent supporting bases (112).

5. An earth anchor device (1) according to claim 1, characterized in that a strip-shaped hole (111a) is arranged on the base (10), and the length direction of the strip-shaped hole (111a) is intersected with the extension direction (X).

6. An earth anchor device (1) according to any one of claims 1-5, wherein the cable connecting portion (20) comprises a first connecting member (21) and a second connecting member (22) which are connected with each other, the cable connecting portion (20) is slidably engaged with the guide rod (12) through the first connecting member (21), the second connecting member (22) is used for being connected with the cable (3), and the relative positions of the first connecting member (21) and the second connecting member (22) in the length direction (Y) are adjustable.

7. An earth anchor device (1) according to claim 6, wherein the first connecting piece (21) has a first connecting end (211), a second connecting end (212) and a cavity (213) between the first connecting end (211) and the second connecting end (212), which are oppositely arranged in the length direction (Y);

the first connecting end (211) is sleeved on the guide rod (12) and is in clearance fit with the guide rod (12), a guide hole (212a) extending along the length direction (Y) and communicated with the cavity (213) is formed in the second connecting end (212), the second connecting piece (22) is located in the cavity (213) and comprises a fixing piece (222) used for installing the inhaul cable (3) and an adjusting cap (223) in threaded connection with the fixing piece (222), at least part of the fixing piece (222) extends into the guide hole (212a), and the adjusting cap (223) abuts against the side wall which is enclosed to form the cavity (213).

8. An earth anchor device (1) according to claim 7, characterized in that the cable connection (20) further comprises a protective cover (23), the protective cover (23) is arranged in the cavity (213) and interconnected with the first connector (21), the protective cover (23) is arranged to cover the second connector (22); the protective cover (23) comprises protective units (231) which are arranged in pairs, each protective unit (231) comprises a protective plate (231a) and locking parts (231b), a pin shaft (231c) is arranged on each protective plate (231a), each protective plate (231a) is rotatably connected with the first connecting piece (21) through the pin shaft (231c), and the locking parts (231b) are mutually butted and detachably connected;

and/or the cable connecting part (20) further comprises a waterproof cap (24), the waterproof cap (24) is connected to the second connecting end (212), and the waterproof cap (24) is provided with a cable hole penetrating along the length direction (Y).

9. Ground anchor device (1) according to claim 6, characterized in that the first connection member (21) comprises a shaft connection member (214) and a transition connection member (215), the shaft connection member (214) and the transition connection member (215) being articulated to each other by means of an articulation shaft (216), the first connection member (21) being in sliding engagement with the guide bar (12) by means of the shaft connection member (214), the first connection member (21) being interconnected with the second connection member (22) by means of the transition connection member (215).

10. Ground anchor device (1) according to claim 9, wherein the axial direction of the articulated shaft (216) is arranged crosswise to the extension direction (X), the shaft connector (214) comprises a bar-shaped body (214a) extending along the length direction (Y) and a rotating sleeve (214b) arranged at the end of the bar-shaped body (214a), the rotating sleeve (214b) is sleeved on the guide rod (12), and the bar-shaped body (214a) is articulated with the transition connector (215) through the articulated shaft (216);

or, the axial direction of the hinge shaft (216) is parallel to the extending direction (X), the shaft connector (214) is a strip-shaped plate with a preset length, a first hole (214c) and a second hole (214d) are oppositely arranged at two ends of the shaft connector (214) in the length direction (Y), the first hole (214c) is in clearance fit with the guide rod (12), and the second hole (214d) is hinged with the transition connector (215) through the hinge shaft (216).

11. A stay cable tower, comprising:

a tower body (2);

ground anchor device (1) according to any one of claims 1 to 10, said ground anchor device (1) and said tower body (2) being arranged at a distance from each other;

one end of the guy cable (3) is connected with the tower body (2) and the other end of the guy cable (3) is connected with the guy cable connecting part (20) of the ground anchor device (1).

12. Guyed tower according to claim 11, characterized in that it further comprises a guyed foundation (4), said ground anchor device (1) being movably connected to said guyed foundation (4) by said base (10), said guyed foundation (4) having a dimension in the height direction of said tower body (2) of 300-1000 mm, said guyed foundation (4) having two or more steps (401) in said height direction.

13. A wind park comprising a stay cable tower according to claim 11 or 12.