CN213390122U

CN213390122U - Stay cable type tower connecting assembly, tower ground anchor, tower and wind generating set

Info

Publication number: CN213390122U
Application number: CN202022111542.XU
Authority: CN
Inventors: 崔矞飞
Original assignee: Beijing Goldwind Science and Creation Windpower Equipment Co Ltd
Current assignee: Beijing Goldwind Science and Creation Windpower Equipment Co Ltd
Priority date: 2020-09-23
Filing date: 2020-09-23
Publication date: 2021-06-08
Anticipated expiration: 2030-09-23

Abstract

The present disclosure provides a guyed tower coupling assembling, pylon earth anchor, pylon and wind generating set, guyed tower coupling assembling includes: one end of the anchor rod is embedded and fixed in the ground anchor foundation; the rigging anchor bearing structure is fixed in the exposed other end of stock, protective case wrap up in the outer peripheral face of stock, protective case's first end is fixed in on the rigging anchor bearing structure, protective case's second end is used for fixing on the ground anchor basis, protective case can avoid the stock to expose in the air and cause the corruption with humid air or rainwater contact to the life of stock has been improved.

Description

Stay cable type tower connecting assembly, tower ground anchor, tower and wind generating set

Technical Field

The utility model belongs to the technical field of wind power generation, especially, relate to guyed tower coupling assembling, have this guyed tower coupling assembling's tower earth anchor, tower and wind generating set.

Background

The implementation of the guyed tower requires the help of three additional ground anchor foundations to improve the stability of the guyed tower. The existing guyed tower adopts anchor bolts to fix the guyed anchoring connecting piece to the three ground anchor bases, the anchor bolts are generally vertical to the surface of the ground anchor bases, and the anchor bolts have shearing risks under the condition.

SUMMERY OF THE UTILITY MODEL

It is an object of the present disclosure to provide a guyed tower connection assembly to increase service life.

Aiming at the above purpose, the present disclosure provides the following technical solutions:

according to one aspect of the present disclosure, there is provided a guyed tower connection assembly comprising: one end of the anchor rod is embedded and fixed in the ground anchor foundation; the rigging anchoring support structure is fixed at the other exposed end of the anchor rod, and the protective sleeve wraps the outer peripheral surface of the anchor rod, the first end of the protective sleeve is fixed on the rigging anchoring support structure, and the second end of the protective sleeve is used for being fixed on the ground anchor basis.

According to an exemplary embodiment of the disclosure, the stay cable type tower connecting assembly further comprises a first limiting plate and a second limiting plate, and the first limiting plate and the second limiting plate are fixed at two ends of the protective sleeve respectively.

Optionally, rigging anchor bearing structure includes connecting plate, guide sleeve and strengthening rib, the middle part of connecting plate is provided with the first through-hole that is used for supplying the cable to pass, guide sleeve's first end is fixed in the connecting plate just guide sleeve with first through-hole intercommunication, the strengthening rib is at least two, and at least two the strengthening rib is followed guide sleeve's circumference is arranged.

Further, the reinforcing rib is provided with a notch at the corner position where the guide sleeve is connected with the connecting plate.

In another exemplary embodiment of the disclosure, the anchor rod and the protective sleeve are two, the first limiting plate is fixed to the ground anchor, the second limiting plate is fixed to the rigging anchoring support structure, and two ends of the protective sleeve are respectively welded and fixed to the first limiting plate and the second limiting plate.

In another exemplary embodiment of the disclosure, the connecting plate is further provided with a second through hole for the anchor rod to pass through, and a center line of the second through hole and a center line of the first through hole are parallel to each other and in the same plane.

Further, the stay cable type tower connecting assembly further comprises a sealing cap, and the sealing cap covers a connecting gap between the guide sleeve and the stay cable.

In another aspect of the present disclosure, a tower anchor is provided, which includes an anchor foundation and the guyed tower connecting assembly as described above, wherein the anchor rod is pre-buried and fixed in the anchor foundation.

The ground anchor foundation is pre-buried and is provided with ground anchor plate, be provided with the confession on the ground anchor plate the third through-hole that the stock passed.

In another aspect of the present disclosure, a tower is provided, where the tower includes the tower anchor as described above, a guy cable, and a tower tube, the tower anchor is disposed at the periphery of the tower tube, one end of the guy cable is connected to the tower tube, the other end of the guy cable is fixed to the tower anchor, and the guy cable is parallel to the anchor rod.

In another aspect of the present disclosure, there is provided a wind power plant comprising a tower as described above.

The guyed tower connecting assembly, the tower ground anchor, the tower and the wind generating set provided by the disclosure have the following beneficial effects: the utility model provides a stay cable formula pylon coupling assembling includes the stock, and the outside cover of stock is equipped with protective case, has avoided the stock to expose in the air and has caused the corruption with humid air or rainwater contact to the life of stock has been improved.

Drawings

The above and/or other objects and advantages of the present disclosure will become more apparent from the following description of the embodiments taken in conjunction with the accompanying drawings, in which:

FIG. 1 is a front view of a tower ground anchor provided by an exemplary embodiment of the present disclosure.

Fig. 2 is a left side view of the tower earth anchor of fig. 1.

Fig. 3 is a top view of the tower earth anchor of fig. 1.

Description of reference numerals:

1. a foundation anchor plate; 2. An anchor rod;

3. a rigging anchoring support structure; 31. A connecting plate;

32. a guide sleeve; 33. Reinforcing ribs;

34. a notch; 41. A first limit plate;

42. protecting the sleeve; 43. A second limiting plate;

5. a ground anchor foundation; 7. A cable;

8. a sealing cap; 9. A pull cable nut.

Detailed Description

Example embodiments will now be described more fully with reference to the accompanying drawings. However, it should not be understood that the aspects of the present invention are limited to the embodiments set forth herein. The same reference numerals in the drawings denote the same or similar structures, and thus their detailed description will be omitted.

The utility model provides a wind generating set, this wind generating set includes the pylon, supports parts such as cabin in the pylon top, wherein, the pylon includes the tower section of thick bamboo, sets up in the tower section of thick bamboo periphery the pylon earth anchor and connect the cable 7 between tower section of thick bamboo and the pylon earth anchor, and the first end of cable 7 can be connected on the tower section of thick bamboo, and the second end of cable 7 can be connected on the pylon earth anchor. The tower earth anchor may comprise an earth anchor foundation 5 and a guyed tower attachment assembly arranged on the earth anchor foundation 5, which guyed tower attachment assembly may be connected with guys 7, as may be seen in particular in fig. 1 to 3.

The stay cable type tower connection assembly includes an anchor rod 2, a rigging anchoring support structure 3, a protection sleeve 42, a first limit plate 41 and a second limit plate 43.

The first end of stock 2 can be pre-buried in being fixed in ground anchor basis 5, and the second end of this stock 2 can expose outside ground anchor basis 5, and this second end can be with rigging anchor bearing structure 3 fixed connection. The second end of the cable 7 can be connected to the anchor rod 2 via the rigging anchor support structure 3 for fixing to the ground anchor foundation 5. The inhaul cable 7 can be arranged in parallel to the anchor rod 2, so that the anchor rod 2 is prevented from being subjected to radial shearing force in the working process, and the service life of the anchor rod 2 is prolonged.

Further, in the present embodiment, the number of the anchor rods 2 may be two, but is not limited thereto. The second end of the anchor rod 2 may be provided with an external thread to form a detachable connection with the rigging anchoring support structure 3, and a receiving hole for connection with the second end of the anchor rod 2 is provided on the rigging anchoring support structure 3.

In particular, the rigging anchoring support structure 3 may comprise a connection plate 31, a guide sleeve 32 and a reinforcement bar 33. The connecting plate 31 is provided with a first through hole for the stay cable 7 to pass through and a second through hole for the screw rod 2 to pass through. In order to make the stress uniform, the first through hole can be located in the middle of the connecting plate 31, the second through holes are two and are symmetrically arranged on two sides of the first through hole respectively, the second end of the anchor rod 2 can penetrate through the second through hole and is detachably connected with the nut on the rigging anchoring support structure 3. Optionally, the centerline of the second through hole and the centerline of the first through hole are parallel to each other and in the same plane.

The structural strength of the rigging anchoring support structure 3 may be greater than or equal to the structural strength of the tower, for example, but not limited to, the material of the rigging anchoring support structure 3 may be identical to the main body material of the tower.

The first end of the guide sleeve 32 is fixed on the connecting plate 31 and the guide sleeve 32 is communicated with the first through hole, so that the second end of the inhaul cable 7 can penetrate through the second end of the guide sleeve 32 and then penetrate out through the first through hole on the connecting plate 31. The second end of cable 7 can be provided with the external screw thread, will locate the second end of this cable 7 with the cable nut 9 cover that the second end of this cable 7 matches, can realize being connected of cable 7 and rigging anchor bearing structure 3.

In order to improve the connection strength between the guide sleeve 32 and the connecting plate 31, at least two reinforcing ribs 33 may be provided between the guide sleeve 32 and the connecting plate 31, and the at least two reinforcing ribs 33 are arranged along the circumferential direction of the guide sleeve 32. In the present embodiment, the reinforcing ribs 33 are 4 and arranged at equal angular intervals on the outer periphery of the guide sleeve 32. Alternatively, the reinforcing rib 33 may be connected to the guide sleeve 32 and the connection plate 31 by a welding process, but not limited thereto.

Further, in order to avoid welding stress, the reinforcing rib 33 is formed with a chamfered structure, specifically, the reinforcing rib 33 is formed with a notch 34 at a corner position where the guide sleeve 32 is connected with the connecting plate 31, and the notch 34 can also be used as a hoisting hole. Specifically, the stiffener 33 may be approximately trapezoidal, that is, the notch 34 may be formed as a right triangle, and the hypotenuse of the right triangle may serve as the upper bottom of the stiffener 33, but not limited thereto, and the notch 34 may also have other desired shapes.

The protective sleeve 42 can wrap the outer peripheral surface of the part, exposed out of the ground anchor foundation 5, of the anchor rod 2, the first end of the protective sleeve 42 can be fixed on the rigging anchoring support structure 3, the second end of the protective sleeve 42 can be fixed on the ground anchor foundation 5, so that the anchor rod 2 is prevented from being exposed in the air, rainwater can be prevented from leaching and the anchor rod is prevented from rusting, the service life of the anchor rod 2 is prolonged, and potential safety hazards are eliminated. Optionally, the ground anchor foundation 5 is embedded with the ground anchor plate 1, the ground anchor plate 1 has a contact surface exposed outside the ground anchor foundation 5, the second end of the protective sleeve 42 can be fixed on the ground anchor plate 1, the ground anchor plate 1 is provided with anchor plate through holes for the anchor rods 2 to pass through, and the number of the anchor plate through holes can be the same as that of the anchor rods 2, but is not limited thereto.

Specifically, two ends of the protection sleeve 42 are respectively fixed to the first limiting plate 41 and the second limiting plate 43, a first side of the first limiting plate 41 may be fixed to a second end of the protection sleeve 42, and a second side of the first limiting plate 41 is connected to the ground anchor plate 1, for example, but not limited to, the first limiting plate 41 may be fixed to the ground anchor plate 1 by using a welding process, and may also be connected by using a fastener. A first side of the second limit stop plate 43 may be fixed to the first end of the protection sleeve 42 and a second side of the second limit stop plate 43 may be fixed to the rigging anchoring support structure 3. Optionally, the joints between the protective sleeve 42 and the first and second limiting

plates

41 and 43, the joints between the first limiting plate 41 and the ground anchor plate 1, and the joints between the second limiting plate 43 and the rigging anchoring support structure 3 are all in sealed connection, so as to further improve the safety of the anchor rod 2. The first limit plate 41 is provided with a through hole for the second end of the anchor rod 2 to pass through, and the through hole may be a smooth hole, and the second limit plate 42 has a through hole for the second end of the anchor rod 2 to pass through and a through hole for the second end of the cable 7 to pass through. The specific shapes of the first limiting plate 41 and the second limiting plate 42 can be selected according to actual needs, and are not limited.

Specifically, the field installation process is roughly: the first limit plate 41 and the second limit plate 43 are respectively fixed at two ends of the protective sleeve 42 (the step can be completed in advance, so that the installation of the wind generating set is avoided, the field construction amount is reduced, and the field assembly efficiency of the wind generating set is improved); sleeving the protective sleeve 42 on the second end of the anchor rod 2, and enabling the anchor rod 2 to be located at the center of the protective sleeve 42; the first limiting plate 41 is fixed by welding or bolt connection after contacting with the foundation anchor plate 1; the second limit plate 43 may be disposed at a lower side of the connection plate 31, i.e., a side away from the guide sleeve 32, and then, the cable 7 and the anchor 2 and the second limit plate 43 are connected to the connection plate 31 by nuts.

After 7 stretch-draw constructions of cable finish, can increase sealed cap 8 at the top of rigging anchor bearing structure 3, avoid the rainwater to get into the second end of cable 7 and cause the screw thread to rust.

Can protect the tip screw thread of the second end of stock 2 and the tip screw thread of the second end of cable 7 after whole constructions are accomplished, avoid the rainwater to drench and the artificial damage steal incident takes place.

The number of the protective sleeves 42 may be the same as the number of the anchor rods 2, and in the present embodiment, two protective sleeves 42 are exemplified.

In order to prolong the service life of the stay cable 7, the stay cable type tower connecting assembly further comprises a sealing cap 8, the sealing cap 8 covers a connecting gap between the guide sleeve 32 and the stay cable 7, and the phenomenon that moist air or rainwater enters the gap between the guide sleeve 32 and the stay cable 7 and contacts with the second end of the stay cable 7 is avoided, so that the second end thread of the stay cable 7 is prevented from rusting, and the service life of the stay cable 7 is prolonged.

The components of the ground anchor plate 1, the protective sleeve 42, the first limit plate 41, the second limit plate 43 and the like can be made of Q235B material or material with performance similar to or higher than that of Q235B material. And hot dip galvanizing is adopted for corrosion prevention.

The tower frame ground anchor is simple and reliable in structure, convenient to construct, less in material use and good in economical efficiency. The tower ground anchor fixed by the multiple anchor rods is adopted, part of the anchor rods are embedded into concrete, the stress directions of the anchor rods and the inhaul cables are consistent, the anchor rods are prevented from being sheared, and the service life of the anchor rods is prolonged.

The anchor rod 2 exposes the part and needs satisfy the tensioning space of cable 7, and the anchor rod 2 of the tensioning space part of cable 7 adopts protective case 42 protection, prevents that the rainwater from drenching and leading to anchor rod 2 to rust, has improved the life of anchor rod 2. In addition, the protective sleeve 42 can also have a supporting effect on the earth anchor base 5.

The both ends of protective case 42 are fixed with first limiting plate 41 and second limiting plate 43, adopt welded fastening respectively with ground anchor slab 1 and rigging anchor bearing structure 3, make protective case 42 can accurate location, and the installation of being convenient for guarantees the accurate atress of cable 7 simultaneously. The connecting part of the rigging anchoring support structure 3 and the inhaul cable 7 is provided with a sealing cap 8, so that rainwater is prevented from entering the second end of the inhaul cable 7 and corroding the second end, and the service life of the inhaul cable 7 is prolonged.

Protective sleeve 42 is established through the periphery cover at stock 2, can avoid stock 2 to expose in the air, can prevent that the rainwater from drenching and the stock from rustting, reduces stock 2 field maintenance volume and the risk of artificial destruction, has improved stock 2's life, has eliminated the potential safety hazard.

In the description of the present application, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience in describing the present application and simplifying the description, but do not indicate or imply that the referred device or element must have a particular orientation, be constructed in a particular orientation, and be operated, and thus should not be construed as limiting the present application.

The terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present disclosure, "a plurality" means two or more unless otherwise specified.

In the description of the present application, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present disclosure can be understood in specific instances by those of ordinary skill in the art.

The described features, structures, or characteristics of the disclosure may be combined in any suitable manner in one or more embodiments. In the above description, numerous specific details are provided to give a thorough understanding of embodiments of the disclosure. One skilled in the relevant art will recognize, however, that the subject matter of the present disclosure can be practiced without one or more of the specific details, or with other methods, components, materials, and so forth. In other instances, well-known structures, materials, or operations are not shown or described in detail to avoid obscuring aspects of the disclosure.

Claims

1. A guyed tower connection assembly, comprising:

one end of the anchor rod (2) is pre-buried and fixed in the ground anchor foundation (5);

a rigging anchoring support structure (3) fixed to the exposed other end of the anchor rod (2),

the protective sleeve (42) wraps the outer peripheral face of the anchor rod (2), the first end of the protective sleeve (42) is fixed to the rigging anchoring support structure (3), and the second end of the protective sleeve (42) is used for being fixed to the ground anchor foundation.

2. The stay tower connection assembly according to claim 1, further comprising a first limiting plate (41) and a second limiting plate (43), wherein the first limiting plate (41) and the second limiting plate (43) are fixed to both ends of the protection sleeve (42), respectively.

3. Guyed tower connection assembly according to claim 1 or 2, wherein the rigging anchoring support structure (3) comprises a connection plate (31), a guide sleeve (32) and a reinforcement rib (33), wherein a first through hole for passing a guy cable (7) is provided in the middle of the connection plate (31), a first end of the guide sleeve (32) is fixed to the connection plate (31) and the guide sleeve (32) is in communication with the first through hole, wherein the reinforcement rib (33) is at least two, and wherein the at least two reinforcement ribs (33) are arranged along the circumference of the guide sleeve (32).

4. A stay-cable tower connection assembly according to claim 3, wherein the reinforcing bars (33) are formed with notches (34) at the corner positions where the guide sleeves (32) are connected to the connection plates (31).

5. The stay-cable tower connection assembly according to claim 2, wherein the anchor rod (2) and the protective sleeve (42) are two, the first limit plate (41) is fixed to the ground anchor base (5), the second limit plate (43) is fixed to the rigging anchor support structure (3), and both ends of the protective sleeve (42) are respectively welded and fixed to the first limit plate (41) and the second limit plate (43).

6. A stay cable tower connection assembly according to claim 3, wherein the connection plate (31) is further provided with a second through hole for the anchor rod (2) to pass through, and the centre line of the second through hole and the centre line of the first through hole are parallel to each other and in the same plane.

7. A stay tower connection assembly according to claim 3, further comprising a sealing cap (8), said sealing cap (8) covering the connection gap between the guide sleeve (32) and the stay (7).

8. A tower earth anchor, characterized in that it comprises an earth anchor foundation (5) and a guyed tower attachment assembly according to any one of claims 1-7, said anchor rod (2) being pre-embedded in said earth anchor foundation (5).

9. A tower ground anchor according to claim 8, characterized in that the ground anchor foundation is pre-buried with a foundation anchor plate (1), and the foundation anchor plate (1) is provided with an anchor plate through hole for the anchor rod (2) to pass through.

10. A tower, characterized in that it comprises a tower anchor according to claim 8 or 9, a guy cable (7) and a tower, the tower anchor being arranged at the periphery of the tower, one end of the guy cable (7) being connected to the tower, the other end of the guy cable (7) being fixed to the tower anchor, the guy cable (7) being arranged in parallel with the anchor rod (2).

11. A wind park according to claim 10, wherein the wind park comprises a tower according to claim 10.