CN218560936U

CN218560936U - Tower crane conversion joint

Info

Publication number: CN218560936U
Application number: CN202222662972.XU
Authority: CN
Inventors: 丁万福
Original assignee: Foshan Jiuwei Yunshu Architectural Engineering Design Co ltd
Current assignee: Foshan Jiuwei Yunshu Architectural Engineering Design Co ltd
Priority date: 2022-10-10
Filing date: 2022-10-10
Publication date: 2023-03-03
Anticipated expiration: 2032-10-10

Abstract

The utility model belongs to the field of tower cranes and discloses a tower crane conversion joint, which comprises a main body; the novel electric heating cooker is characterized in that the main body is composed of four straight rods which are obliquely arranged, and the main body is of a quadrangular prism structure with a thin upper part and a thick lower part; the top and the bottom of main part are connected with top panel and lower panel respectively, the equal fixedly connected with a plurality of spliced poles of the lower surface of the upper panel of top panel, lower panel. The conversion section is similar to CN202022846603.7, has a gentle transition structure from thick to thin, is optimized appropriately relative to CN202022846603.7, divides the main rod into three-section structures, is formed by a straight rod and a connecting column, is reinforced and connected by an upper panel and a lower panel, forms the conversion section with the strength comparable to CN202022846603.7, and has simpler processing technology and small processing stress.

Description

Tower crane conversion joint

Technical Field

The utility model relates to a tower machine field specifically is a tower crane conversion festival.

Background

CN202022846603.7 discloses a tower crane conversion section, which comprises a square frame cylindrical body, wherein the square frame cylindrical body is composed of four upright main rods arranged at four corners and connecting rods for connecting the adjacent main rods; the main rod is formed by bending a whole section bar; the square frame cylindrical body is of a frame structure with a thin upper part and a thick lower part.

In practical applications, we have found the following problems:

1. the bending forming process is complex;

2. plastic deformation and residual stress are found in the bending forming process.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a tower crane conversion festival, this conversion festival is similar with CN202022846603.7, has gentle by thick to thin transition structure, and simultaneously, its relative CN202022846603.7 has carried out suitable optimization, falls into the syllogic structure with the mobile jib, adopts straight-bar, spliced pole to form to strengthen connecting through upper and lower panel, formed the conversion festival that intensity rivaled good CN202022846603.7, and processing technology is simpler, processing stress is little.

In order to achieve the above object, the utility model provides a following technical scheme: a tower crane conversion joint comprises a main body; the main body consists of four straight rods which are obliquely arranged, and the main body is of a quadrangular prism structure with a thin upper part and a thick lower part; the top and the bottom of main part are connected with top panel and lower panel respectively, the equal fixedly connected with a plurality of spliced poles of the lower surface of the upper panel of top panel, lower panel.

In the tower crane conversion joint, a plurality of connecting rods are arranged between every two adjacent straight rods.

In the tower crane conversion section, the connecting columns and the straight rods are in one-to-one correspondence; and a connecting plate is arranged between every two adjacent connecting columns and is fixedly connected with the corresponding upper panel or lower panel.

In the tower crane conversion section, the middle parts of the upper panel and the lower panel are of hollow structures.

In the tower crane conversion section, an introduction beam is fixed below the lower panel; the introduction beam is used for hanging the standard knot.

In the tower crane conversion section, the lower parts of the connecting column and the main body which are fixed on the lower panel are fixedly connected with the standard section which is positioned below the main body through the first connecting piece.

In foretell tower crane changeover portion, first connecting piece includes two first connecting plates of arranging side by side, imbeds the second connecting plate between two first connecting plates, the lower part welded connection of fixed spliced pole, main part on first connecting plate and the lower panel, between second connecting plate and the first connecting plate, through detachable mode fixed connection between the standard festival of second connecting plate and main part below.

In foretell tower crane conversion festival, the body of the tower of the spliced pole of upper surface upper mounting plate top fixed and main part top passes through the second connecting piece and connects.

In foretell tower crane conversion festival, the second connecting piece is for fixing the otic placode in the both sides of the spliced pole that corresponds, be equipped with the bolt hole in the otic placode.

In the tower crane conversion joint, the straight rod is one of square steel, I-shaped steel, angle steel and round steel; the connecting column is made of square steel or angle steel.

Compared with the prior art, the beneficial effects of the utility model are that:

this scheme adopts the straight-bar, the spliced pole, the structure of syllogic has been constituteed to upper and lower panel, whole structure does not have the mechanical buckling processing, all adopt the welding to accomplish, in order to strengthen the joint strength between four straight-bars, constitute the straight-bar through upper and lower panel, the articulamentum between the connecting rod, the support intensity has been guaranteed, this case festival is similar with CN202022846603.7, have gentle by thick transition structure to thin, and simultaneously, through the aforesaid optimization, the conversion festival that intensity is comparable with beautiful CN202022846603.7 has been formed, and processing technology is simpler, the processing stress is little.

Drawings

FIG. 1 is a perspective view of embodiment 1;

FIG. 2 is a front view of embodiment 1.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.

Example 1

Referring to fig. 1 and 2, a tower crane transition section includes a main body; the main body consists of four straight rods 1 which are obliquely arranged, and is of a quadrangular prism structure with a thin upper part and a thick lower part; the top and the bottom of main part are connected with top panel 2 and lower panel 3 respectively, the equal fixedly connected with a plurality of spliced poles 4 of the lower surface of top panel 2, lower panel 3 of top panel 2.

This embodiment adopts straight-bar 1, spliced pole 4, upper and lower panel 3 to constitute the structure of syllogic, and whole structure does not have mechanical bending processing, and whole adoption welding is accomplished, for the joint strength who strengthens between four straight-bars 1, the tie layer between spliced pole 4 has been guaranteed through upper and lower panel 3 constitution straight-bar 1, spliced pole.

Preferably, a plurality of connecting rods 5 are arranged between two adjacent straight rods 1, the connecting rods 5 are staggered to form a structure shaped like a Chinese character 'mi' or a structure shaped like a Chinese character 'x', and the connecting rods 5 are used for enhancing the connecting strength between the straight rods 1.

As a further optimization of the embodiment, the connecting columns 4 correspond to the straight rods 1 one by one; and a connecting plate 6 is arranged between every two adjacent connecting columns 4, and the connecting plate 6 is fixedly connected with the corresponding upper panel 2 or lower panel 3.

In more detail, in practical application, the connecting column 4 on the upper surface of the upper panel 2 is connected with the tower body (generally, a rotating disk of a tower crane) above the main body, and the lower surface of the lower panel 3 is connected with a standard knot, and the standard knot is generally wider than the connecting frame below the rotating disk.

The connecting plate 6 serves as a main component for enhancing the strength of the connection between the connecting column 4 and the upper and

lower panels

2 and 3.

As a further improvement of this embodiment, the middle portions of the upper panel 2 and the lower panel 3 are hollow structures. The ladder stand can be carried on in hollow structure's design. The hollow structure can be designed to be round or square.

Preferably, an introduction beam 7 is further fixed below the lower panel 3; the introduction beam 7 is used for hanging a standard knot. The lead-in beam 7 is positioned below the upper panel 2 and extends out from between the two connecting columns 4, and is fixed on the lower panel 3 through bolts.

As the optimization of the embodiment, the connecting column 4 fixed on the lower panel 3 and the lower part of the main body are fixedly connected with the standard knot positioned below the main body through the first connecting piece. Preferably, the first connector and the standard knot located below the body are detachably connected.

Specifically, the first connecting piece includes two first connecting plates 8 that arrange side by side, imbeds second connecting plate 9 between two first connecting plates 8, the lower part welded connection of spliced pole 4, the main part of fixing on first connecting plate 8 and the lower panel 3, pass through detachable mode fixed connection between second connecting plate 9 and the first connecting plate 8, between second connecting plate 9 and the standard festival of main part below. Removable means herein include, but are not limited to: by a bayonet connection, by a bolt connection, by a snap connection, etc., in this embodiment by a bayonet connection.

In this embodiment, the body of the tower of the spliced pole 4 of upper panel 2 upper surface upper setting and main part top is connected through the second connecting piece, the otic placode 10 of the both sides of the spliced pole 4 for fixing corresponding is connected to the second connecting piece, be equipped with the bolt hole in the otic placode 10. Four stabilizer blades of the body of the tower of main part top are directly shelved at the upper surface of spliced pole 4 to four stabilizer blades thereof have spacing portion, guarantee through spacing portion with spliced pole 4 accurate counterpoint, set up the bolt hole in the both sides of stabilizer blade, pass the bolt hole of stabilizer blade, otic placode 10 through the bolt and realize the fixed connection of spliced pole 4 and body of the tower. It is strong in torsion resistance and is beneficial to disassembly and assembly.

In the actual production process, the straight rod 1 is one of square steel, I-shaped steel, angle steel and round steel; the connecting column 4 is made of square steel or angle steel. In the present embodiment, the straight bar 1 is an angle steel, the connecting column 4 on the upper panel 2 is preferably a square steel because it needs to be directly connected with the tower body in a contact manner, and the connecting column 4 on the lower panel 3 is an angle steel.

Claims

1. A tower crane conversion joint comprises a main body; the novel electric heating cooker is characterized in that the main body is composed of four straight rods which are obliquely arranged, and the main body is of a quadrangular prism structure with a thin upper part and a thick lower part; the top and the bottom of main part are connected with top panel and lower panel respectively, the equal fixedly connected with a plurality of spliced poles of lower surface of the upper panel of top panel, lower panel.

2. The tower crane conversion joint according to claim 1, wherein a plurality of connecting rods are arranged between two adjacent straight rods.

3. The tower crane conversion joint according to claim 1, wherein the connecting columns and the straight rods are in one-to-one correspondence; and a connecting plate is arranged between every two adjacent connecting columns and is fixedly connected with the corresponding upper panel or lower panel.

4. The tower crane conversion joint according to claim 1, wherein the middle parts of the upper panel and the lower panel are of hollow structures.

5. The tower crane conversion joint according to claim 1, wherein an introduction beam is further fixed below the lower panel; the introduction beam is used for hanging the standard knot.

6. The tower crane conversion joint according to claim 1, wherein the lower part of the connecting column fixed on the lower panel and the main body is fixedly connected with a standard joint positioned below the main body through a first connecting piece.

7. The tower crane conversion joint according to claim 6, wherein the first connecting piece comprises two first connecting plates arranged side by side and a second connecting plate embedded between the two first connecting plates, the first connecting plate and the lower part of the connecting column and the main body fixed on the lower panel are connected in a welding manner, and the second connecting plate and the first connecting plate and the standard joint below the second connecting plate and the main body are fixedly connected in a detachable manner.

8. The tower crane conversion joint according to claim 1, wherein a connecting column fixed on the upper surface of the upper panel is connected with the tower body above the main body through a second connecting piece.

9. The tower crane conversion joint according to claim 8, wherein the second connecting member is an ear plate fixed on both sides of the corresponding connecting column, and a bolt hole is formed in the ear plate.

10. The tower crane conversion joint according to any one of claims 1 to 9, wherein the straight rod is one of square steel, i-steel, angle steel and round steel; the connecting column is made of square steel or angle steel.