阅读说明：本技术 一种新型超长桁架式塔机附着装置 (Novel super-long truss type tower crane attachment device ) 是由 唐少兵 邱向东 盛鹤松 李建伟 于 2020-12-18 设计创作，主要内容包括：本发明公开了一种新型超长桁架式塔机附着装置,包括附着框与桁架式附着杆,附着框安装在塔机的标准节上,附着杆的一端连接附着框、另一端连接建筑墙体,附着杆包括依次连接的前侧桁架、中部桁架及后侧桁架,前侧桁架靠近建筑墙体侧,中部桁架为方形截面桁架,后侧桁架由内调节片、外调节片及对角调节片构成,内调节片的后端及外调节片的后端分别连接在附着框的两个角上,且两个角位于附着框的同一侧；内调节片的前端、外调节片的前端分别连接在中部桁架后端的两个角上；对角调节片沿对角方向连接在内调节片与外调节片间。该附着装置结构简单,稳定性高,节约了材料和成本,使用安全。(The invention discloses a novel ultra-long truss type tower crane attachment device, which comprises an attachment frame and a truss type attachment rod, wherein the attachment frame is installed on a standard joint of a tower crane, one end of the attachment rod is connected with the attachment frame, the other end of the attachment rod is connected with a building wall, the attachment rod comprises a front side truss, a middle truss and a rear side truss which are sequentially connected, the front side truss is close to the building wall, the middle truss is a square cross-section truss, the rear side truss is composed of an inner adjusting sheet, an outer adjusting sheet and a diagonal adjusting sheet, the rear end of the inner adjusting sheet and the rear end of the outer adjusting sheet are respectively connected to two corners of the attachment frame, and the two corners are positioned on the same side of the attachment frame; the front end of the inner adjusting sheet and the front end of the outer adjusting sheet are respectively connected to two corners at the rear end of the middle truss; the diagonal adjustment sheet is connected between the inner adjustment sheet and the outer adjustment sheet along the diagonal direction. The attachment device is simple in structure, high in stability, safe to use and capable of saving materials and cost.)

1. A novel ultra-long truss type tower crane attachment device comprises an attachment frame and a truss type attachment rod, wherein the attachment frame is installed on a standard joint of a tower crane, one end of the attachment rod is connected with the attachment frame, and the other end of the attachment rod is connected with a building wall body; the front ends of the inner adjusting pieces and the outer adjusting pieces are respectively connected to two corners of the rear end of the middle truss; the diagonal adjustment sheet is connected between the inner adjustment sheet and the outer adjustment sheet along the diagonal direction.

2. The novel attachment device for an ultralong truss-type tower crane as claimed in claim 1, wherein the rear end of the diagonal adjustment piece is connected to the attachment frame at the same corner as the rear end of the inner adjustment piece, and the front end of the diagonal adjustment piece is connected to the middle truss at the same corner as the front end of the outer adjustment piece.

3. The novel attachment device for an ultralong truss tower crane according to claim 1, wherein the attachment rods are provided in two groups, symmetrically on the left and right sides of the attachment frame.

4. The novel attachment device for the overlong truss type tower crane according to claim 1, wherein an attachment support for connecting a building wall is mounted on a front end portion of the front side truss, hinge holes are formed in the upper side surface and the lower side surface of the front end portion of the front side truss, the two hinge holes are arranged coaxially, and the attachment support is mounted on the front side truss in a manner that the attachment support is hinged after penetrating through the two concentric hinge holes through a hinge shaft.

5. The novel attachment device for an overlong truss type tower crane as claimed in claim 3, wherein the front side truss comprises two symmetrical vertical frames and a connecting frame connected between the two vertical frames, the front ends of the two vertical frames are connected together, the rear ends of the two vertical frames are respectively connected to two corners of the front end of the middle truss, the connecting frame is installed at one side close to the middle truss, and an isosceles triangle is formed between the connecting frame and the two vertical frames.

6. The novel attachment device for an overlong truss type tower crane according to claim 4, wherein the front side truss further comprises a mounting plate with a pair of hinge holes, and the mounting plate is welded on the upper and lower side surfaces of the front ends of the two vertical frames and used for mounting the attachment support.

7. The novel attachment device for an ultralong truss tower crane according to claim 1, wherein the attachment frame is a square frame.

8. The novel attachment device for an ultralong truss tower crane according to claim 1, wherein the outer adjustment piece, the inner adjustment piece and the diagonal adjustment piece each comprise an adjustment screw module and a brace rod assembly connected in series.

9. The novel attachment device for an ultralong truss-type tower crane according to claim 1, further comprising a plurality of reinforcing plates, wherein the plurality of reinforcing plates are arranged at least on the upper and lower surfaces of the connection part of the front side truss and the middle truss and on the upper and lower surfaces of the connection part of the middle truss and the rear side truss.

10. The novel attachment device for an ultra-long truss type tower crane according to claim 1, wherein the middle truss comprises a support frame formed by welding main chords and a plurality of diagonal web members supported between two adjacent main chords, the main chords adopt square channel steel, and the diagonal web members adopt circular channel steel.

Technical Field

The invention relates to the technical field of building construction, in particular to a novel ultra-long truss type tower crane attachment device.

Background

The tower crane is widely applied to the construction industry as a special engineering hoisting machine. With the common and rapid development of high-rise buildings, the tower crane needs to be lifted along with the increase of the height of the building in the use process according to the needs, and after the height of the tower crane exceeds the independent height of the tower crane, the tower crane and the bearing structure of the building need to be connected through an attachment device in order to meet the safe use requirement.

For the installation of the tower crane attachment frame, the attachment distance is the length from the center of the standard knot of the tower crane to the attachment point, basically the standard accessories of manufacturers are taken as the main part, and the adjustment is carried out within the range of 4-4.5 meters. In recent years, public buildings and civil buildings are changed along with design and modeling, the functions of industrial buildings are designed perfectly, the factors such as collision between a mounting position and a structure, whether the lifting capacity of the top end of a tower crane in a factory building meets the self-weight requirement of equipment and the like need to be considered when a tower crane is used and mounted, and therefore when a plurality of tower cranes are arranged, the distance between the center point of a standard node of the tower crane and the attachment point of a building is far greater than the limit value of 4.5 meters, some attachment lengths exceed 20 meters, in order to improve the stability of an attachment frame, a three-rod or four-rod design is usually adopted, and some building design walls are thin, such as a cooling tower, the building design walls are only 12cm at times, the bearing capacity is not high, the existing attachment devices cannot be borne, and how to solve the technical problems is a matter which is dedicated to be.

Disclosure of Invention

The technical problem to be solved by the invention is as follows: the utility model provides a novel overlength truss-like tower machine attachment that structural strength is high and stability is strong.

In order to solve the technical problems, the invention is realized by the following technical scheme:

a novel ultra-long truss type tower crane attachment device comprises an attachment frame and a truss type attachment rod, wherein the attachment frame is installed on a standard joint of a tower crane, one end of the attachment rod is connected with the attachment frame, the other end of the attachment rod is connected with a building wall, the attachment rod comprises a front side truss, a middle truss and a rear side truss which are sequentially connected, the front side truss is close to the building wall, the middle truss is a square cross-section truss, the rear side truss is composed of an inner adjusting piece, an outer adjusting piece and a diagonal adjusting piece, the rear end of the inner adjusting piece and the rear end of the outer adjusting piece are respectively connected to two corners of the attachment frame, and the two corners are located on the same side of the attachment frame; the front ends of the inner adjusting pieces and the outer adjusting pieces are respectively connected to two corners of the rear end of the middle truss; the diagonal adjustment sheet is connected between the inner adjustment sheet and the outer adjustment sheet along the diagonal direction.

As a specific implementation manner, the rear end of the diagonal adjustment piece is connected to the attachment frame at the same corner as the rear end of the inner adjustment piece, and the front end of the diagonal adjustment piece is connected to the middle truss at the same corner as the front end of the outer adjustment piece.

Preferably, the attaching rods are provided in two groups, symmetrically disposed on left and right sides of the attaching frame.

As a specific implementation manner, an attachment support used for connecting a building wall is installed on the front end of the front side truss, hinge holes are formed in the upper side surface and the lower side surface of the front end of the front side truss, the two hinge holes are arranged with the same axis, and the attachment support is installed on the front side truss in a penetrating mode through two concentric hinge holes and then in a hinged mode through a hinge shaft.

As a specific implementation mode, the front side truss comprises two symmetrical vertical frames and a connecting frame connected between the two vertical frames, the front ends of the two vertical frames are connected together, the rear ends of the two vertical frames are respectively connected to two corners of the front end of the middle truss, the connecting frame is installed at one side close to the middle truss, and an isosceles triangle is formed between the connecting frame and the two vertical frames.

As a specific embodiment, the front side truss further comprises a pair of mounting plates with hinge holes, and the mounting plates are welded on the upper and lower sides of the front ends of the two vertical frames and used for mounting the attachment supports.

As a specific embodiment, the attachment frame is a square frame.

As a specific implementation manner, the outer adjusting piece, the inner adjusting piece and the diagonal adjusting piece each include an adjusting screw module and a brace rod assembly connected in series.

As a specific implementation mode, the attaching device further comprises a plurality of reinforcing plates, wherein the plurality of reinforcing plates at least comprise reinforcing plates arranged on the upper surface and the lower surface of the joint of the front side truss and the middle truss and the upper surface and the lower surface of the joint of the middle truss and the rear side truss.

As a specific implementation mode, the middle truss comprises a supporting frame formed by welding main chords and a plurality of oblique web members supported between two adjacent main chords, the main chords adopt square channel steel, and the oblique web members adopt circular channel steel.

Compared with the prior art, the invention has the advantages that: the novel ultra-long truss type tower crane attachment device adopts two sets of attachment rods which are bilaterally symmetrical, the rear side truss adopts a three-piece truss structure comprising an inner adjusting piece, an outer adjusting piece and a diagonal adjusting piece, the structure formed by the attachment rods, the attachment frame and the tower body is stable, the two sets of attachment rods simplify the structure of the attachment device, the cost is saved, meanwhile, the front end of the front side truss adopts upper and lower concentric hinge holes to install the attachment supports, and the influence of bending moment caused by the dead weight of the attachment rods on the attachment supports can be well optimized.

Description of the drawings:

in order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts;

fig. 1 is a schematic structural view of a novel attachment device for an ultra-long truss type tower crane according to the present invention;

FIG. 2 is a schematic structural view of a front side truss according to the present invention;

FIG. 3 is an elevational view of a single-piece riser in the front side truss;

FIG. 4 is an elevational view of the inner tab;

FIG. 5 is an elevational view of the outer tab;

FIG. 6 is an elevation view of the diagonal tab;

wherein: 100. an attachment frame; 200. an attachment rod; 300. building a wall body; 1. a front side truss; 11. erecting a frame; 12. a connecting frame; 13. mounting a plate; 131. a hinge hole; 2. A middle truss; 21. a main chord; 22. a diagonal web member; 3. a rear side truss; 31. an inner adjusting sheet; 32. an outer adjustment tab; 33. a diagonal adjustment tab; 4. attaching a support; 5. a reinforcing plate; 6. adjusting the lead screw module; 7. a brace bar assembly.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention:

a novel ultra-long truss type tower crane attachment device is shown in figure 1 and comprises an attachment frame 100 and a truss type attachment rod 200, wherein the attachment frame 100 is installed on a standard section of a tower crane, one end of the attachment rod 200 is connected with the attachment frame 100, and the other end of the attachment rod is connected with a building wall 300. The attachment rod 200 comprises a front side truss 1, a middle truss 2 and a rear side truss 3 which are sequentially connected, wherein the front side truss 1 is close to the building wall 300, the middle truss 2 is a square section truss, the rear side truss 3 is composed of an inner adjusting sheet 31, an outer adjusting sheet 32 and a diagonal adjusting sheet 33, the rear end of the inner adjusting sheet 31 and the rear end of the outer adjusting sheet 32 are respectively connected to two corners of the attachment frame 100, and the two corners are positioned on the same side of the attachment frame 100; the front end of the inner adjusting sheet 31 and the front end of the outer adjusting sheet 32 are respectively connected to two corners at the rear end of the middle truss 2; the diagonal adjustment flap 33 is connected between the inner adjustment flap 31 and the outer adjustment flap 32 in a diagonal direction.

Specifically, the rear end of the diagonal adjustment piece 33 and the rear end of the inner adjustment piece 31 are connected to the same corner of the attachment frame 100, and the front end of the diagonal adjustment piece 33 is connected to the same corner of the middle truss 2 where the front end of the outer adjustment piece 32 is located. By the arrangement mode, the structure formed by the attachment rod 200, the attachment frame 100 and the building wall 300 is stable and reliable.

In this example, the attaching rods 200 are provided in two sets, symmetrically disposed on the left and right sides of the attaching frame 100. The attachment frame 100 is a square frame. Here, referring to fig. 4, 5 and 6, the outer adjusting piece 32, the inner adjusting piece 31 and the diagonal adjusting piece 33 each include an adjusting screw module 6 and a strut assembly 7 connected in series. Specifically, the adjusting screw modules 6 on the outer adjusting sheet 32 and the inner adjusting sheet 31 are arranged on one side close to the middle truss 2, and the stay bar assembly 7 is arranged on one side close to the attachment frame 100; the adjusting screw module 6 of the diagonal adjusting piece 33 is arranged at one side close to the attaching frame 100, and the stay bar assembly 7 is arranged at one side close to the middle truss 2. By the arrangement mode, the outer adjusting piece 32, the inner adjusting piece 31 and the diagonal adjusting piece 33 can be stably and firmly connected.

In this example, the front end of the front side truss 1 is provided with an attachment support 4 for connecting the building wall 300, as shown in fig. 2, hinge holes 131 are formed on both upper and lower sides of the front end of the front side truss 1, the two hinge holes 131 are arranged coaxially, and the attachment support 4 is installed on the front side truss 1 by passing through the hinge shaft and then hinging through the two concentric hinge holes 131. This front side truss 1 includes two symmetrical grudging posts 11 and connects the link 12 between two grudging posts 11, and the front end of two grudging posts 11 links together, and the rear end is connected respectively on two angles of 2 front ends at middle part trusses, and link 12 is installed and is being close to 2 one sides at middle part trusses, constitutes isosceles triangle between link 12 and two grudging posts 11. Isosceles triangle's mode of arrangement can make front side truss 1 stable, can not rock, installs through two hinge holes 131 on the upper and lower face and adheres to support 4, and the influence of the moment of flexure that the dead weight that can be fine optimization adheres to pole 200 and arouses to adhering to support 4. Specifically, the front side truss 1 further includes a pair of mounting plates 13 with hinge holes 131, and the mounting plates 13 are welded to upper and lower sides of the front ends of the two uprights 11 for mounting the attachment brackets 4.

In this example, the attachment device further includes a plurality of reinforcing plates 5, as shown in fig. 1 and 2, the plurality of reinforcing plates 5 are provided at least on the upper and lower surfaces of the joint between the front side truss 1 and the middle truss 2 and on the upper and lower surfaces of the joint between the middle truss 2 and the rear side truss 3. The reinforcing plate 5 is provided to improve the rigidity and strength of the attachment bar 200.

In this example, the middle truss 2 includes a support frame formed by welding main chords 21 and a plurality of diagonal web members 22 supported between two adjacent main chords 21, the main chords 21 are made of square channel steel, and the diagonal web members 22 are made of circular channel steel. The middle truss 2 is made of the truss with the square cross section, production and manufacturing are facilitated, the middle truss 2 is constructed by the main chord members 21 and the inclined web members 22, and strength and stability of the whole attachment rod 200 are greatly improved.

It is to be emphasized that: the above embodiments are only preferred embodiments of the present invention, and are not intended to limit the present invention in any way, and all simple modifications, equivalent changes and modifications made to the above embodiments according to the technical spirit of the present invention are within the scope of the technical solution of the present invention.