CN222350872U - Frame-type tower construction node structure - Google Patents

Abstract

The application relates to a framework type tower construction node structure which comprises a cross rod, inclined rods and a connecting module, wherein the cross rod and the inclined rods are all square pipes, the connecting module is arranged in the middle of the cross rod, four inclined rods are detachably connected to the connecting module respectively, the four inclined rods are located in four different directions respectively, the connecting module comprises a connecting plate and a connecting part, the connecting plate is respectively attached to the upper side and the lower side of the cross rod and is detachably connected, the connecting part is four and is arranged in one-to-one correspondence with the four inclined rods, the connecting part is detachably arranged on the connecting plate located on the upper surface of the cross rod, and the connecting part is used for detachably connecting the inclined rods and the cross rod. According to the application, the cross bars and the diagonal bars of the square pipes are detachably connected through the connecting modules in the framework type tower, the cross bar diagonal bar system has no welding seam perpendicular to the stress level, the risk of fatigue damage of welded steel structures is avoided, the welding engineering quantity of the cross bar and diagonal bar nodes is reduced, the production engineering quantity is reduced, and the cost is reduced.

Description

Frame-type tower construction node structure

Technical Field

The application relates to the technical field of wind power towers, in particular to a frame-type tower construction node structure.

Background

With the increase of wind power generation projects in China, wind farms with better wind resources are developed gradually, and wind power generation towers gradually develop towards the direction of high towers in order to better utilize the wind resources at higher places.

The middle part of the traditional cross rod is assembled and welded by adopting the inclined rod round steel pipe and the cross rod round steel pipe, the mode can cause the conditions of overlarge welding stress, low strength and welding deformation and seriously cause unsmooth field installation, and the inclined rod round steel pipe has a certain advantage in the aspect of compression stability due to the limited difference of the diameter-thickness ratio under the condition of consistent sectional area, namely, the round steel pipe has a certain advantage in the aspect of compression stability, but the round steel pipe has poor fatigue resistance no matter being welded through or welded by the steel plugboard, and the fatigue effect can play a role in controlling the design if the inclined rod round steel pipe is applied to a prestress framework type tower.

Accordingly, there is a need to provide a framed tower construction node structure that addresses the above-identified technical problems.

Disclosure of utility model

Based on the structure, the structure node structure of the framework type tower is provided, a welding seam perpendicular to the stress level does not exist in the transverse diagonal rod system, the risk of fatigue damage of a welded steel structure is avoided, the welding engineering quantity of the transverse diagonal rod node is reduced, the production engineering quantity is reduced, and the cost is reduced.

On the one hand, the structure node structure of the framework type tower comprises a cross rod, inclined rods and connecting modules, wherein the cross rod and the inclined rods are square pipes, the connecting modules are arranged in the middle of the cross rod, four inclined rods are detachably connected to the connecting modules respectively and located in four different directions respectively, the connecting modules comprise connecting plates and connecting parts, the connecting plates are respectively attached to the upper side and the lower side of the cross rod and are detachably connected, the number of the connecting parts is four and are in one-to-one correspondence with the number of the inclined rods, the connecting parts are detachably arranged on the connecting plates located on the upper surface of the cross rod, and the connecting parts are used for detachably connecting the inclined rods and the cross rod.

Further, a difference compensating connecting plate is arranged between the connecting plate and the cross rod in a fitting mode.

Further, a mounting panel is arranged between the connecting plate and the connecting part on the upper surface of the cross bar, and all the connecting parts are detachably mounted on the mounting panel.

The horizontal rod is detachably connected with the differential compensating connecting plate positioned on the upper surface of the horizontal rod, the connecting plate and the mounting panel through a plurality of groups of first detachable connecting pieces, and the horizontal rod is detachably connected with the differential compensating connecting plate positioned on the lower surface of the horizontal rod and the connecting plate through a plurality of groups of first detachable connecting pieces.

The connecting part comprises a first connecting part and a second connecting part, the first connecting part is fixed on the mounting panel, the second connecting part is detachably connected with the first connecting part, one end, away from the first connecting part, of the second connecting part is inserted into the inclined rod, and the second connecting part and the inclined rod are detachably connected.

The tower crane comprises a main tower column, a connecting module, a cross rod, a connecting rod and a connecting rod, wherein the main tower column is connected with the connecting module through the connecting rod, the connecting module is connected with the main tower column through the connecting rod, the connecting rod is connected with the main tower column through the connecting rod, and the connecting rod is connected with the main tower column through the connecting rod.

Further, a short-circuit square pipe is integrally connected to the outer side wall of the main tower column, and an installation module used for detachably installing the cross rod or the diagonal rod is arranged on the short-circuit square pipe.

The mounting module comprises two mounting plates, wherein the two mounting plates are respectively attached to the upper side and the lower side of the short-circuit square tube, the end parts of the cross rod or the inclined rod are respectively inserted between the two mounting plates, and the two mounting plates can detachably butt-joint the end parts of the cross rod or the inclined rod with the short-circuit square tube.

Further, a compensation mounting plate is arranged on the inner side of the mounting plate, one end of the compensation mounting plate is attached to the inner side wall of the short-circuit square pipe, and a gap for inserting the end of the cross rod or the inclined rod is reserved between the other end of the compensation mounting plate and the mounting plate.

Further, the short-circuit square tube is detachably connected with the mounting plate positioned on the surface of the short-circuit square tube and the compensating mounting plate through a plurality of groups of second detachable connectors, and the mounting plate, the compensating mounting plate and the end part of the cross rod or the inclined rod are detachably connected through a plurality of groups of second detachable connectors.

The beneficial effects are that:

In the framework type tower construction node structure, the cross bars and the inclined bars are respectively arranged into square tubes, the inclined bars arranged in the square tubes are more convenient to connect with the cross bars arranged in the square tubes through the connecting modules, and the welding engineering quantity of the connecting parts of the cross bars and the inclined bars of the round tubes originally adopted in the square tubes is reduced, so that the production engineering quantity is reduced, the cost is reduced, more importantly, the square tubes can be subjected to modern laser cutting and blanking, the numerical control laser pore-forming technology is adopted, the manual consumption is reduced, and the quality of the component products produced and manufactured by the numerical control technology is reliable.

Drawings

FIG. 1 is a schematic illustration of a structural diagram of a framed tower construction node structure in one embodiment;

Fig. 2 is an enlarged view of a portion a in fig. 1;

FIG. 3 is a schematic cross-sectional view of a framed tower construction node structure showing a diagonal intermediate node in one embodiment;

FIG. 4 is a schematic cross-sectional view of a framed tower construction node structure showing a diagonal side node in one embodiment.

Reference numeral 1, a cross bar; 11, holes, 2, diagonal rods, 3, connecting modules, 31, connecting plates, 32, connecting parts, 321, first connecting parts, 322, second connecting parts, 323, connecting pieces, 33, compensation connecting plates, 34, mounting panels, 35, first detachable connecting pieces, 4, main tower columns, 41, short circuit square tubes, 5, mounting modules, 51, mounting plates, 52, compensation mounting plates and 53, second detachable connecting pieces.

Detailed Description

The present application will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present application more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the application.

It should be noted that, the illustrations provided in the present embodiment merely illustrate the basic concept of the present application by way of illustration, and only the components related to the present application are shown in the drawings and are not drawn according to the number, shape and size of the components in actual implementation, and the form, number and proportion of the components in actual implementation may be arbitrarily changed, and the layout of the components may be more complex.

The structures, proportions, sizes, etc. shown in the drawings are shown only in connection with the present disclosure, and are not intended to limit the scope of the application, since any modification, variation in proportions, or adjustment of the size, etc. of the structures, proportions, etc. should be considered as falling within the spirit and scope of the application, without affecting the effect or achievement of the objective.

References in this specification to orientations or positional relationships as "upper", "lower", "left", "right", "intermediate", "longitudinal", "transverse", "horizontal", "inner", "outer", "radial", "circumferential", etc., are based on the orientation or positional relationships shown in the drawings, are also for convenience of description only, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore are not to be construed as limiting the application. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

The embodiment of the application provides a framework type tower construction node structure, wherein square pipes are adopted for transverse and diagonal rod construction nodes in the framework type tower, a welding line perpendicular to the stress level does not exist in a transverse and diagonal rod system, the risk of fatigue damage of a welded steel structure is avoided, the production engineering quantity is reduced, and the cost is reduced.

The following describes a construction node structure of a framework tower in detail, referring to fig. 1-3, the construction node structure comprises a cross bar 1, diagonal bars 2 and a connecting module 3, wherein the cross bar 1 and the diagonal bars 2 are square steel pipes, the connecting module 3 is arranged in the middle of the cross bar 1, four diagonal bars 2 are detachably connected to the connecting module 3 respectively, the four diagonal bars 2 are located in four different directions respectively, the connecting module 3 comprises connecting plates 31 and connecting portions 32, the connecting plates 31 are two, the two connecting plates 31 are respectively attached to the upper side and the lower side of the cross bar 1 and detachably connected, the connecting portions 32 are four and are arranged in one-to-one correspondence with the four diagonal bars 2, the connecting portions 32 are detachably mounted on one side, away from the cross bar 1, of the connecting plates 31 located above, and the connecting portions 32 are used for detachably connecting the diagonal bars 2 and the cross bar 1.

In this embodiment, the upper and lower sides of the cross bar 1 are respectively attached to the fixed connection plates 31, the cross bar 1 arranged by square pipes is adopted, so that the attachment and fixation between the connection plates 31 and the cross bar 1 are facilitated, the contact area is large, the installation is convenient, meanwhile, the connection part 32 is installed on the upper connection plate 31, and the diagonal bar 2 arranged by connecting the square pipes can be detached by using the connection part 32, so that square steel pipes are adopted in the structural nodes where the cross bar 1 and the diagonal bar 2 of the framework tower are connected, the square steel pipes are convenient to connect, compared with the mode that the round steel pipes are adopted to be welded originally, the welding engineering quantity of the structural nodes of the cross bar 1 and the diagonal bar 2 is reduced, the production engineering quantity is reduced, the cost is reduced, and the diagonal bar system has no welding seam perpendicular to the stress level and has no risk of fatigue damage of the welded steel structure.

With continued reference to fig. 1-3, in the present embodiment, it should be noted that a difference compensating connecting plate 33 is attached between the connecting plate 31 and the cross bar 1. There may be a thickness difference at the connection position, and at the position where there is a thickness difference, a thickness difference compensation may be performed by adjusting the thickness of the difference compensation connection plate 33, thereby accommodating the thickness difference problem at the connection position.

In one example, a mounting panel 34 is provided between the connection plate 31 and the connection portion 32 on the upper surface of the cross bar 1, the mounting panel 34 and the connection plate 31 are detachably mounted, and all the connection portions 32 are detachably mounted on the mounting panel 34. Therefore, all the connecting parts 32 are detachably integrated on the mounting panel 34, and the mounting panel 34 and the connecting plate 31 are all independent parts, so that the assembly is convenient for transportation and direct assembly on site.

In another example, the connecting portions 32 are set to four and are set in a one-to-one correspondence with the four diagonal rods 2, and the four connecting portions 32 are distributed in a rectangular shape and are distributed at four end corner positions of the rectangle, the connecting portions 32 include a first connecting portion 321, a second connecting portion 322 and a connecting piece 323, the first connecting portion 321 is fixed on the mounting panel 34, the second connecting portion 322 is detachably connected with the first connecting portion 321, and one end of the second connecting portion 322, which is far away from the first connecting portion 321, is inserted into the diagonal rod 2, and the second connecting portion 322 and the diagonal rod 2 are detachably connected. By the cooperation of the first connecting portion 321 and the second connecting portion 322, the assembly between the diagonal rods 2 and the cross rod 1 can be realized, and each diagonal rod 2 is obliquely arranged along the diagonal direction of the mounting panel 34.

In some embodiments, the first connection portion 321 and the second connection portion 322 are detachably connected by a connection member 323, and preferably, the connection member 323 may be a rivet or a high-strength bolt. Of course, the second connecting portion 322 may be detachably connected by rivets or high-strength bolts, similarly to the diagonal member 2.

Furthermore, the cross bar 1 is detachably connected with the differential compensating connecting plates 33, the connecting plates 31 and the mounting panels 34 which are positioned on the upper surfaces of the cross bar 1 through a plurality of groups of first detachable connecting pieces 35, the plurality of groups of first detachable connecting pieces 35 are distributed along the length direction of the cross bar 1, the number of the first detachable connecting pieces 35 can be adjusted according to practical conditions, and preferably, the first detachable connecting pieces 35 can be rivets or high-strength bolts, if the high-strength bolts are adopted, the high-strength bolts sequentially penetrate through the cross bar 1, the differential compensating connecting plates 33, the connecting plates 31 and the mounting panels 34 and then are fastened by nuts.

The cross rod 1 and the differential compensating connecting plates 33 and the connecting plates 31 positioned on the lower surface of the cross rod 1 are detachably connected through a plurality of groups of first detachable connecting pieces 35, the plurality of groups of first detachable connecting pieces 35 are distributed along the length direction of the cross rod 1, the number of the first detachable connecting pieces 35 can be adjusted according to actual conditions, and preferably, the first detachable connecting pieces 35 can also be rivets or high-strength bolts, if the high-strength bolts are adopted, the high-strength bolts sequentially penetrate through the cross rod 1, the differential compensating connecting plates 33 and the connecting plates 31 and then are fastened by nuts.

Of course, in order to facilitate the operation of the first detachable connection member 35, the middle portion of the cross bar 1 is further provided with a hole 11, and the first detachable connection member 35 is conveniently operated inside through the hole 11.

Referring to fig. 1 and 4, in this embodiment, it should be further described that the frame-type tower structure node structure further includes four rectangular main tower columns 4, the lower ends of the main tower columns 4 are mounted on the foundation device, between any two adjacent main tower columns 4 of the four main tower columns 4, a stable steel structure is formed by connecting a plurality of diagonal rods 2 and a plurality of cross rods 1, etc., for example, four cross rods 1 are disposed on a same horizontal plane, each cross rod 1 is disposed between two adjacent main tower columns 4, two ends of each cross rod 1 are detachably connected to two adjacent main tower columns 4, and one end of each diagonal rod 2, which is far away from the connecting module 3, is detachably connected to the corresponding main tower column 4. From this, every horizontal pole 1 links to each other with four diagonal sets of diagonal 2 along four corners through setting up the connection module 3 in the middle of horizontal pole 1, and wherein every diagonal 2's the other end all can dismantle the connection on main column 4, and every main column 4 and two diagonal 2 that link to each other can constitute a triangle-shaped structure like this to also constitute triangle-shaped structure between every horizontal pole 1, diagonal 2 and the main column 4, because triangle-shaped structure has stability, so connect can increase the stability of pylon like this.

Referring to fig. 1 and 4, in one implementation manner, a short-circuit square tube 41 is integrally connected to an outer side wall of the main tower column 4, and an installation module 5 for detachably installing the cross rod 1 or the diagonal rod 2 is arranged on the short-circuit square tube 41.

In one example, the installation module 5 includes two installation plates 51, the two installation plates 51 are respectively attached to the upper and lower sides of the short circuit square tube 41, and the length of the installation plates 51 is longer than that of the short circuit square tube 41, that is, the end part of the installation plate 51 is required to expose the short circuit square tube 41, and the two installation plates 51 are independently arranged to adapt to the width change of the short circuit square tube 41, so that only the two installation plates 51 need to be respectively attached to and fixed on the upper and lower sides of the short circuit square tube 41. The end parts of the cross rod 1 or the inclined rod 2 are respectively inserted between two mounting plates 51, and the two mounting plates 51 are used for detachably butting the end parts of the cross rod 1 or the inclined rod 2 with the short-circuit square tube 41. The end of the crossbar 1 or the diagonal bar 2 can be clamped by the clamping action of the two mounting plates 51.

Further, a compensation mounting plate 52 is provided on the inner side of the mounting plate 51, one end of the compensation mounting plate 52 is attached to the inner wall of the short-circuited square tube 41, and a gap is left between the other end of the compensation mounting plate 52 and the mounting plate 51, and the end of the cross bar 1 or the diagonal bar 2 is inserted into the gap. There may be a thickness difference at the connection location, and at the location where there is a thickness difference, a thickness compensation may be made by adjusting the thickness of the compensation mounting plate 52 to accommodate the thickness difference problem at the connection location.

In some embodiments, the short-circuit square tube 41 is detachably connected with the mounting plate 51 and the compensation mounting plate 52 on the upper surface of the short-circuit square tube through a plurality of groups of second detachable connectors 53, and the short-circuit square tube 41 is detachably connected with the mounting plate 51 and the compensation mounting plate 52 on the lower surface of the short-circuit square tube through a plurality of groups of second detachable connectors 53.

Taking the mounting plate 51 located on the upper surface of the short-circuit square tube 41 as an example, multiple groups of second detachable connectors 53 are arranged along the length direction of the short-circuit square tube 41, and the number of the second detachable connectors 53 can be adjusted according to practical situations, preferably, the second detachable connectors 53 can also be rivets or high-strength bolts, if the high-strength bolts are adopted, the high-strength bolts sequentially penetrate through the difference compensating mounting plate 52, the short-circuit square tube 41 and the mounting plate 51 and then are fastened by nuts. Naturally, the mounting plates 51, the compensating mounting plates 52 and the ends of the cross bar 1 or the diagonal bar 2 are also detachably connected by high-strength bolts, and the high-strength bolts pass through the compensating mounting plates 52, the ends of the cross bar 1 or the diagonal bar 2 and the mounting plates 51 in sequence and are fastened by nuts.

In the implementation, it is also required to explain that the whole structure of the structural node of the framework type tower frame is hot dip zinc corrosion-proof, the friction surface is treated independently, the anti-slip coefficient is higher than 0.45, the nodes are connected by double shear friction, and under the action of reciprocating load, no slip exists between the node plates, and no corrosion-proof layer damage is caused. And after the frame-type tower is installed, the secondary corrosion prevention is carried out on the transverse inclined rod node area, the paint sealing is carried out, the sealing paint layer is isolated from air, and the corrosion prevention layer of the friction surface is ensured to be damaged.

The construction method of the horizontal rod and diagonal rod structure node structure comprises the following steps that square steel pipes are adopted in construction nodes of a horizontal rod 1 and a diagonal rod 2 in a framework type tower construction node structure, the square steel pipes are convenient for installation of a connecting module 3, therefore, the connecting module 3 is installed in the middle of the horizontal rod 1, the diagonal rods 2 around the horizontal rod can be connected through the connecting module 3, butt joint installation of the horizontal rod 1 and the diagonal rod 2 and butt joint installation of the horizontal steel pipes and a short-circuit square pipe 41 of a main tower column 4 through an installation module 5 are convenient, compared with the horizontal rod 1 and the diagonal rod 2 which originally adopt round steel pipes, welding engineering quantity of the horizontal diagonal rod node can be reduced, production engineering quantity is reduced, cost is reduced, the square steel pipes are adopted for the horizontal diagonal rod construction node, modernized laser cutting and blanking can be carried out on the square pipes, manual consumption is reduced, and the quality of a component product manufactured by numerical control technology is reliable.

The technical features of the above embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.

The above examples illustrate only a few embodiments of the application, which are described in detail and are not to be construed as limiting the scope of the claims. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the application, which are all within the scope of the application. Accordingly, the scope of protection of the present application is to be determined by the appended claims.

Claims (10)

1. A framed tower construction node structure, comprising:

The device comprises a cross rod (1), an inclined rod (2) and a connecting module (3), wherein the cross rod (1) and the inclined rod (2) are both square pipes;

The connecting module (3) is arranged in the middle of the cross rod (1), the four diagonal rods (2) are respectively and detachably connected to the connecting module (3), and the four diagonal rods (2) are respectively positioned in four different directions;

wherein the connection module (3) comprises a connection plate (31) and a connection part (32);

The connecting plates (31) are respectively attached to the upper side and the lower side of the cross rod (1) and are detachably connected;

The connecting parts (32) are arranged in four and are arranged in one-to-one correspondence with the four diagonal rods (2), the connecting parts (32) are detachably arranged on the connecting plates (31) positioned on the upper surfaces of the cross rods (1), and the connecting parts (32) are used for detachably connecting the diagonal rods (2) with the cross rods (1).

2. The framed tower construction node structure of claim 1, wherein,

And a difference compensating connecting plate (33) is attached between the connecting plate (31) and the cross rod (1).

3. The framed tower construction node structure of claim 2, wherein,

A mounting panel (34) is arranged between the connecting plate (31) and the connecting part (32) on the upper surface of the cross bar (1);

all the connecting parts (32) are detachably mounted on the mounting panel (34).

4. The framed tower construction node structure of claim 3, wherein,

The cross rod (1) is detachably connected with the differential compensating connecting plate (33), the connecting plate (31) and the mounting panel (34) which are positioned on the upper surface of the cross rod through a plurality of groups of first detachable connecting pieces (35);

The cross rod (1), the differential compensating connecting plate (33) positioned on the lower surface of the cross rod and the connecting plate (31) are detachably connected through a plurality of groups of first detachable connecting pieces (35).

5. The framed tower construction node structure of claim 3, wherein,

The connecting part (32) comprises a first connecting part (321) and a second connecting part (322);

The first connecting part (321) is fixed on the mounting panel (34);

The second connecting portion (322) is detachably connected with the first connecting portion (321), one end, away from the first connecting portion (321), of the second connecting portion (322) is inserted into the inclined rod (2), and the second connecting portion (322) and the inclined rod (2) are detachably connected.

6. The framework tower construction node structure according to any of the claims 1-5, further comprising four main tower columns (4) in rectangular distribution, provided with four cross bars (1) on the same horizontal plane;

Each cross rod (1) is arranged between two adjacent main tower columns (4), and two ends of each cross rod (1) are detachably connected with the two adjacent main tower columns (4) respectively;

One end of each inclined rod (2) far away from the connecting module (3) is detachably connected to the corresponding main tower column (4).

7. The framed tower construction node structure of claim 6, wherein,

The outer side wall of the main tower column (4) is integrally connected with a short-circuit square tube (41);

The short-circuit square tube (41) is provided with an installation module (5) which is respectively used for detachably installing the cross rod (1) or the inclined rod (2).

8. The framed tower construction node structure of claim 7, wherein,

The mounting module (5) comprises mounting plates (51), and the number of the mounting plates (51) is two;

the two mounting plates (51) are respectively attached to the upper side and the lower side of the short-circuit square tube (41);

The end parts of the cross rod (1) or the inclined rod (2) are respectively inserted between the two mounting plates (51);

The two mounting plates (51) are used for detachably butting the end part of the cross rod (1) or the inclined rod (2) with the short-circuit square tube (41).

9. The framed tower construction node structure of claim 8, wherein,

A compensation mounting plate (52) is arranged on the inner side of the mounting plate (51);

One end of the compensation mounting plate (52) is attached to the inner side wall of the short-circuit square tube (41), and a gap for inserting the end of the cross rod (1) or the inclined rod (2) is reserved between the other end of the compensation mounting plate (52) and the mounting plate (51).

10. The framed tower construction node structure of claim 9, wherein,

The short-circuit square tube (41) is detachably connected with the mounting plate (51) positioned on the surface of the short-circuit square tube and the difference compensating mounting plate (52) through a plurality of groups of second detachable connectors (53);

The mounting plates (51), the compensation mounting plates (52) and the ends of the cross rod (1) or the inclined rod (2) are detachably connected through a plurality of groups of second detachable connectors (53).