CN214456377U - Tower crane conversion joint - Google Patents
Tower crane conversion joint Download PDFInfo
- Publication number
- CN214456377U CN214456377U CN202022846603.7U CN202022846603U CN214456377U CN 214456377 U CN214456377 U CN 214456377U CN 202022846603 U CN202022846603 U CN 202022846603U CN 214456377 U CN214456377 U CN 214456377U
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- tower crane
- main rod
- rod
- square frame
- tower
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Abstract
The utility model belongs to the tower crane field, which discloses a tower crane conversion section, comprising a square frame cylinder, wherein the square frame cylinder comprises four upright main rods arranged at four corners and a connecting rod for connecting 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. The tower crane conversion section has the advantages of simple structure, good strength, light weight and low cost.
Description
Technical Field
The utility model relates to a tower crane field, especially a tower crane conversion festival.
Background
CN201220684061.0 discloses a tower crane conversion festival, including last transition festival, lower transition festival, go up the transition festival connect in on the lower transition festival, it is less than the vertical sectional area of lower transition festival to go up the vertical sectional area of transition festival. The embodiment of the utility model provides an adopt tower crane of tower crane conversion festival is still disclosed, the tower crane conversion festival passes through the transition and saves the stand and connect the upper tower body, the tower crane conversion festival passes through the lower transition and saves the stand and connect lower tower body, the vertical sectional area of upper tower body is less than the vertical sectional area of lower tower body.
The disadvantage of this kind of scheme is that it passes through the upper portion and the lower part of platform transition connection tower crane, and its structure is complicated, needs to make two transition sections, and the cost is higher.
Therefore, the first problem to be solved by the technical scheme is as follows: how to make the conversion section simple and the production cost low.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a tower crane conversion festival, this tower crane conversion festival simple structure, intensity are good, light in weight, with low costs.
The utility model provides a technical scheme does: a tower crane conversion section comprises a square frame cylindrical body, wherein the square frame cylindrical body consists 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 the tower crane conversion section, the section bar is one of angle steel, I-shaped steel, round steel pipe, square steel and square steel pipe.
In the tower crane conversion joint, the top of the main rod is provided with at least one first connecting piece for connecting with a tower section of an externally-arranged tower crane; and at least one second connecting piece connected with a tower section of an externally-arranged tower crane is arranged at the bottom of the main rod.
In the tower crane conversion joint, the main rod is an angle steel, and 2 first connecting pieces are arranged at the top of the main rod; the height of one first connecting piece is higher than that of the other first connecting piece, and the two first connecting pieces are correspondingly fixed to the tops of two faces of the angle steel.
In the tower crane conversion joint, at least 2 second connecting pieces are arranged at the bottom of the main rod, one of the second connecting pieces is higher than the other second connecting piece, and the two second connecting pieces are correspondingly fixed on the lower parts of two surfaces of the angle steel.
In the tower crane conversion joint, the first connecting piece consists of two lug plates with openings; the second connecting piece is a connecting hole formed in two faces of the angle steel.
In the tower crane conversion joint, the top and the bottom of the main rod are vertical rod-shaped bodies, and the middle of the main rod is an inclined rod-shaped body.
In the tower crane conversion section, the outer side of the lower part of the main rod is provided with a hanging lug connected with an external jacking mechanism.
In the tower crane conversion section, the square frame cylindrical body is provided with a climbing frame.
After the technical scheme is adopted in the utility model, its beneficial effect who has is:
the tower crane conversion section of the scheme is only one, two sections are not needed, the main rod of the tower crane conversion section is made of one section, the tower crane conversion section is simple to produce, the whole structure is simplified, the strength is large enough, the production cost is low, and the weight is light.
Drawings
Fig. 1 is a perspective view of embodiment 1 of the present invention.
Detailed Description
The technical solution of the present invention will be further described in detail with reference to the following detailed description, but the present invention is not limited thereto.
Example 1:
as shown in fig. 1, a tower crane conversion section comprises a square frame cylindrical body, wherein the square frame cylindrical body consists of four upright main rods 1 arranged at four corners and connecting rods 2 connected with the adjacent main rods 1; the main rod 1 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.
The tower crane conversion festival of this embodiment only has one, need not two, and its mobile jib 1 adopts a section bar to make and obtains, and mobile jib 1 is because be integrated into one piece, and its intensity is enough big, and simultaneously, the selection of mobile jib 1 has leaded to its production simple, and overall structure simplifies, intensity is enough big, low in production cost, light in weight.
The connecting rods 2 between two adjacent main rods 1 are three in length, and the inclined rods 3 are arranged between each connecting rod 2 and the main rods 1 for reinforcement.
The section bar is one of angle steel, I-shaped steel, round steel, a round steel pipe, square steel and a square steel pipe, and the top of the main rod 1 is provided with at least one first connecting piece 4 for connecting with a tower section of an externally-arranged tower crane; the bottom of the main rod 1 is provided with at least one second connecting piece 5 connected with a tower section of an externally-arranged tower crane.
As further refinement of the embodiment, the main rod 1 is an angle steel, and the top of the main body is provided with 2 first connecting pieces 4; the height of one first connecting piece 4 is higher than that of the other first connecting piece 4, the two first connecting pieces 4 are correspondingly fixed to the tops of two surfaces of the angle steel, at least 2 second connecting pieces 5 are arranged at the bottom of the main rod 1, the height of one second connecting piece 5 is higher than that of the other second connecting piece 5, the two second connecting pieces 5 are correspondingly fixed to the lower portions of the two surfaces of the angle steel, and the first connecting pieces 4 are composed of two lug plates with openings; the second connecting piece 5 is a connecting hole formed in two faces of the angle steel.
In this embodiment, the top and bottom of the primary shaft 1 are vertical rods, and the middle of the primary shaft 1 is an inclined rod.
Preferably, the outer side of the lower part of the main rod 1 is provided with a hanging lug 6 connected with an external jacking mechanism, and the square frame cylindrical body is provided with a climbing frame 7.
The above embodiments are preferred embodiments of the present invention, but the embodiments of the present invention are not limited to the above embodiments, and any other changes, modifications, substitutions, combinations, and simplifications which do not depart from the spirit and principle of the present invention should be equivalent replacement modes, and all are included in the scope of the present invention.
Claims (9)
1. A tower crane conversion section comprises a square frame cylindrical body, and is characterized in that the square frame cylindrical body consists 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.
2. The tower crane transition section according to claim 1, wherein the section bar is one of angle steel, I-steel, round steel pipe, square steel and square steel pipe.
3. The tower crane conversion joint according to claim 1, wherein the top of the main rod is provided with at least one first connecting piece for connecting with a tower section of an external tower crane; and at least one second connecting piece connected with a tower section of an externally-arranged tower crane is arranged at the bottom of the main rod.
4. The tower crane conversion joint according to claim 1, wherein the main rod is an angle steel, and 2 first connecting pieces are arranged at the top of the main rod; the height of one first connecting piece is higher than that of the other first connecting piece, and the two first connecting pieces are correspondingly fixed to the tops of two faces of the angle steel.
5. The tower crane conversion joint according to claim 4, wherein at least 2 second connecting members are arranged at the bottom of the main rod, one of the second connecting members is higher than the other second connecting member, and the two second connecting members are correspondingly fixed at the lower parts of two surfaces of the angle steel.
6. The tower crane conversion knuckle of claim 5, wherein the first connector is comprised of two apertured ear plates; the second connecting piece is a connecting hole formed in two faces of the angle steel.
7. The tower crane transition joint of claim 1, wherein the top and bottom of the primary rod are vertical rods and the middle of the primary rod is an inclined rod.
8. The tower crane conversion joint according to any one of claims 1 to 7, wherein a hanging lug connected with an external jacking mechanism is arranged on the outer side of the lower part of the main rod.
9. The tower crane conversion section according to any one of claims 1 to 7, wherein the square frame cylinder is provided with a climbing frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022846603.7U CN214456377U (en) | 2020-11-30 | 2020-11-30 | Tower crane conversion joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022846603.7U CN214456377U (en) | 2020-11-30 | 2020-11-30 | Tower crane conversion joint |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214456377U true CN214456377U (en) | 2021-10-22 |
Family
ID=78185525
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022846603.7U Active CN214456377U (en) | 2020-11-30 | 2020-11-30 | Tower crane conversion joint |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214456377U (en) |
-
2020
- 2020-11-30 CN CN202022846603.7U patent/CN214456377U/en active Active
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