CN218560940U - Tower crane boom structure - Google Patents
Tower crane boom structure Download PDFInfo
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- CN218560940U CN218560940U CN202122860346.7U CN202122860346U CN218560940U CN 218560940 U CN218560940 U CN 218560940U CN 202122860346 U CN202122860346 U CN 202122860346U CN 218560940 U CN218560940 U CN 218560940U
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- connecting frame
- frame
- tower crane
- frames
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
- B66C23/62—Constructional features or details
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
- B66C23/62—Constructional features or details
- B66C23/64—Jibs
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Jib Cranes (AREA)
Abstract
The utility model discloses a tower crane jib structure, which comprises a plurality of first connecting frames and a plurality of second connecting frames; the first connecting frames are arranged in parallel pairwise and are arranged linearly; the two first connecting frames which are arranged in parallel are connected through the second connecting frame; the second connecting frame comprises a first connecting frame and two second connecting frames; the first connecting frame is connected with the first connecting frame through a positioning pin; the two second connecting frames are connected with each other and symmetrically arranged above the first connecting frame; the second connecting frame is connected with the first connecting frame through a connecting rod; connecting parts for connecting the first connecting frame are arranged on four corners of the second connecting frame; the utility model discloses a first link that sets up side by side increases the bearing capacity of cantilever crane to can arrange more dollies.
Description
Technical Field
The utility model belongs to the technical field of the hoist, especially, relate to a tower machine cantilever crane structure.
Background
The tower crane (referred to as a tower crane in the application) is a common hoisting device, has the advantages of large operation space and the like, and is widely applied to vertical and horizontal conveying of building construction materials and installation of building members.
The tower crane generally comprises a tower frame, a suspension arm, a tower crane trolley and a lifting appliance, wherein the tower frame is arranged vertically, one end of the suspension arm is fixed at the upper end of the tower frame, the lifting appliance is connected to the tower crane trolley, the tower crane trolley can do reciprocating motion along the suspension arm under the drive of trolley driving devices such as a winding drum of a luffing mechanism, and the suspension arm can rotate around a rotation center.
When the arm support of the suspension arm is applied to an oversized tower crane, the problems of large bearing pressure of small wheels, heavy weight of a single section, large appearance size and large lateral deformation of the arm support exist.
SUMMERY OF THE UTILITY MODEL
The utility model provides a tower crane jib structure, which solves the problems that the jib bears small trolley wheel pressure and has heavy weight, large external dimension and large lateral deformation; the utility model adopts the following technical scheme:
a tower crane jib structure comprises a plurality of first connecting frames and a plurality of second connecting frames; the first connecting frames are arranged in parallel in pairs and are linearly arranged; the two first connecting frames which are arranged in parallel are connected through the second connecting frame;
the second connecting frame comprises a first connecting frame and two second connecting frames; the first connecting frame is connected with the first connecting frame through a positioning pin; the two second connecting frames are connected with each other and symmetrically arranged above the first connecting frame; the second connecting frame is connected with the first connecting frame through a connecting rod; and the four corners of the second connecting frame are provided with connecting parts for connecting the first connecting frame.
Furthermore, the first connecting frame is provided with a pin hole matched with the positioning pin; the first connecting frame is provided with a mounting plate, and the mounting plate is connected with the first connecting frame through bolts.
Further, the first connecting frame and the second connecting frame are rectangular in shape; the lengths of the first connecting frame and the second connecting frame along the extending direction of the arm support are equal.
Furthermore, a second supporting plate is additionally arranged between the first connecting frame and the second connecting frame; the second supporting plate is obliquely arranged; two first supporting plates are arranged at opposite angles of the first connecting frame, and the middle parts of the two first supporting plates are connected with each other.
Further, the second connecting frame comprises an upper chord beam and an upper chord; two upper chords are connected between the two upper chord beams which are parallel to each other; the connecting parts are arranged at two ends of the upper chord beam.
Furthermore, the connecting part is connected with the first connecting frame through a pin shaft; the connecting part comprises three extending plates which are parallel to each other; and the extension plate is provided with a bush for the pin shaft.
Furthermore, a reinforcing plate is arranged above the connecting part; the three extending plates are fixedly connected with the reinforcing plate.
Further, the cross section of the first connecting frame is in an inverted triangle shape.
Compared with the prior art, the utility model discloses the beneficial effect who reaches is:
on one hand, the utility model arranges the first connecting frames in pairs in parallel and in a linear arrangement; the two first connecting frames arranged in parallel are connected through a second connecting frame; the bearing capacity of the arm support is increased through the first connecting frames arranged in parallel, and more trolleys can be arranged.
On the other hand, in the utility model, the first connecting frame is connected with the first connecting frame through the positioning pin; connecting parts are arranged on four corners of the first connecting frame; the connecting part is connected with the first connecting frame through a pin shaft, and the connecting structure is simple and convenient for disassembly and assembly of the arm support.
Drawings
Fig. 1 is a structural diagram of an arm support provided in an embodiment of the present invention;
fig. 2 is a block diagram of a first connecting frame according to an embodiment of the present invention;
fig. 3 is a structural diagram of a connection portion according to an embodiment of the present invention.
In the figure: the support structure comprises 1 first connecting frame, 2 second connecting frames, 21 first connecting frames, 211 pin holes, 212 first support plates, 213 mounting plates, 22 second connecting frames, 221 upper chords, 222 upper chords, 223 connecting parts, 2231 extending plates, 2232 bushings, 2233 reinforcing plates, 23 connecting columns and 24 second support plates.
Detailed Description
The present invention will be further described with reference to the accompanying drawings, and the following embodiments are only used to illustrate the technical solutions of the present invention more clearly, and the protection scope of the present invention is not limited thereby.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
In addition, in the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "mounted," "connected," and "coupled" are to be construed broadly and may, for example, be fixedly coupled, detachably coupled, or integrally coupled; can be mechanically or electrically connected; 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 invention can be understood by those of ordinary skill in the art through specific situations.
As shown in fig. 1 to 3, an embodiment of the present invention provides a tower crane boom structure, which includes a plurality of first connecting frames 1 and a plurality of second connecting frames 2; the cross section of the first connecting frame 1 is in an inverted triangle shape, and the stability of the triangle is utilized to improve the strength of the arm support; the first connecting frames 1 are arranged in pairs in parallel and are linearly arranged; two first connecting frames 1 which are arranged in parallel are connected through a second connecting frame 2; the bearing capacity of the arm support is increased through the first connecting frames 1 which are arranged in parallel, and more trolleys can be arranged; the structure has smaller splitting unit, light weight, small overall dimension and convenient transportation and installation.
The second connecting frame 2 comprises a first connecting frame 21 and two second connecting frames 22; the first connecting frame 21 is connected with the first connecting frame 1 through a positioning pin; the two second connecting frames 22 are connected with each other and symmetrically arranged above the first connecting frame 21; the second connecting frame 22 is connected with the first connecting frame 21 through a connecting rod 23; the four corners of the second connecting frame 22 are provided with connecting parts 223 for connecting the first connecting frames 1.
The first connecting frame 21 and the second connecting frame 22 are rectangular; the lengths of the first connecting frame 21 and the second connecting frame 22 along the extending direction of the arm support are equal; the first connecting frame 21 is provided with a pin hole 211 matched with the positioning pin; the first connecting frame 21 is provided with a mounting plate 213, and the mounting plate 213 is connected with the first connecting frame 1 through bolts.
A second supporting plate 24 is additionally arranged between the first connecting frame 21 and the second connecting frame 22; the second support plate 24 is obliquely arranged; two first supporting plates 212 are arranged at opposite angles of the first connecting frame 21, the middle parts of the two first supporting plates 212 are connected with each other, and the rigidity of the arm support is improved through the first supporting plates 212 and the second supporting plates 24.
The second connecting frame 22 comprises an upper chord 222 and an upper chord 221; two upper chords 221 are connected between the two parallel upper chords 222; the connecting portions 223 are disposed at both ends of the upper chord 222.
The connecting part 223 is connected with the first connecting frame 1 through a pin shaft; the connecting portion 223 includes three extension plates 2231 parallel to each other; a bush 2232 for a pin shaft is arranged on the extension plate 2231; a reinforcing plate 2233 is arranged above the connecting part 223; the three extension plates 2231 are fixedly coupled to the reinforcing plate 2233, and the strength of the coupling portion 223 is increased by the reinforcing plate 2233.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. A tower crane cantilever crane structure is characterized by comprising a plurality of first connecting frames (1) and a plurality of second connecting frames (2); the first connecting frames (1) are arranged in pairs in parallel and are linearly arranged; two first connecting frames (1) which are arranged in parallel are connected through a second connecting frame (2);
the second connecting frame (2) comprises a first connecting frame (21) and two second connecting frames (22); the first connecting frame (21) is connected with the first connecting frame (1) through a positioning pin; the two second connecting frames (22) are connected with each other and symmetrically arranged above the first connecting frame (21); the second connecting frame (22) is connected with the first connecting frame (21) through a connecting rod (23); and connecting parts (223) used for connecting the first connecting frame are arranged on four corners of the second connecting frame (22).
2. The tower crane jib structure according to claim 1, wherein the first connecting frame (21) is provided with a pin hole matched with the positioning pin; be equipped with mounting panel (213) on first linking frame (21), mounting panel (213) and first link (1) bolted connection.
3. The tower crane jib structure according to claim 1, wherein the first connection frame (21) and the second connection frame (22) are rectangular in shape; the lengths of the first connecting frame (21) and the second connecting frame (22) along the extending direction of the arm support are equal.
4. The tower crane jib structure according to claim 1, wherein a second support plate (24) is additionally arranged between the first connecting frame (21) and the second connecting frame (22); the second supporting plate (24) is obliquely arranged; two first supporting plates (212) are arranged on opposite angles of the first connecting frame (21), and the middle parts of the two first supporting plates (212) are connected with each other.
5. A tower crane jib structure according to claim 1, wherein said second connection frame (22) comprises an upper chord (222), an upper chord (221); two upper chords (221) are connected between the two upper chords (222) which are parallel to each other; the connecting parts (223) are arranged at two ends of the upper chord beam (222).
6. A tower crane jib structure according to claim 1 or 5, wherein the connection part (223) is connected with the first connection frame (1) by a pin; the connecting part (223) comprises three extending plates (2231) which are parallel to each other; and a bushing (2232) for a pin shaft is arranged on the extension plate (2231).
7. The tower crane jib structure according to claim 6, wherein a reinforcing plate (2233) is arranged above the connecting part (223); the three extension plates (2231) are fixedly connected with the reinforcing plate (2233).
8. The tower crane jib structure according to claim 1, wherein the cross section of the first connecting frame (1) is inverted triangular.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122860346.7U CN218560940U (en) | 2021-11-22 | 2021-11-22 | Tower crane boom structure |
| PCT/CN2021/137321 WO2023087437A1 (en) | 2021-11-22 | 2021-12-13 | Tower crane boom structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122860346.7U CN218560940U (en) | 2021-11-22 | 2021-11-22 | Tower crane boom structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218560940U true CN218560940U (en) | 2023-03-03 |
Family
ID=85303808
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122860346.7U Active CN218560940U (en) | 2021-11-22 | 2021-11-22 | Tower crane boom structure |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN218560940U (en) |
| WO (1) | WO2023087437A1 (en) |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BRPI1001193A2 (en) * | 2010-02-11 | 2012-07-03 | Vinicius De Carvalho Cal | crane enhancement and counterweight control process on a real time crane |
| CN202988612U (en) * | 2013-01-04 | 2013-06-12 | 中联重科股份有限公司 | Flat-arm tower crane |
| CN103058069B (en) * | 2013-01-04 | 2015-04-01 | 中联重科股份有限公司 | Flat-arm tower crane |
| CN203173717U (en) * | 2013-04-12 | 2013-09-04 | 中联重科股份有限公司 | Tower crane's upper bracket and tower crane |
| CN103193165B (en) * | 2013-04-12 | 2015-04-08 | 中联重科股份有限公司 | Tower crane's upper bracket and tower crane |
| CN105836638A (en) * | 2016-06-20 | 2016-08-10 | 徐工集团工程机械股份有限公司 | Combined type cantilever crane and hoisting equipment |
| CN106892365A (en) * | 2017-04-20 | 2017-06-27 | 沈阳建筑大学 | A kind of parallel flat-top tower crane of both arms |
| CN208037888U (en) * | 2018-03-29 | 2018-11-02 | 徐工集团工程机械股份有限公司 | A kind of superpower boom system of multi-arm frame with mapping function |
| CN214734002U (en) * | 2021-04-28 | 2021-11-16 | 徐工集团工程机械股份有限公司建设机械分公司 | Crane boom, combined boom and crane |
-
2021
- 2021-11-22 CN CN202122860346.7U patent/CN218560940U/en active Active
- 2021-12-13 WO PCT/CN2021/137321 patent/WO2023087437A1/en unknown
Also Published As
| Publication number | Publication date |
|---|---|
| WO2023087437A1 (en) | 2023-05-25 |
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