CN215479346U - Arm section splicing unit, arm section and tower crane - Google Patents
Arm section splicing unit, arm section and tower crane Download PDFInfo
- Publication number
- CN215479346U CN215479346U CN202121112685.0U CN202121112685U CN215479346U CN 215479346 U CN215479346 U CN 215479346U CN 202121112685 U CN202121112685 U CN 202121112685U CN 215479346 U CN215479346 U CN 215479346U
- Authority
- CN
- China
- Prior art keywords
- arm
- unit
- chord
- arm segment
- arm section
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 230000000712 assembly Effects 0.000 claims abstract description 13
- 238000000429 assembly Methods 0.000 claims abstract description 13
- 238000010276 construction Methods 0.000 abstract description 4
- 229910000831 Steel Inorganic materials 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
Images
Landscapes
- Jib Cranes (AREA)
Abstract
The utility model belongs to the technical field of construction machinery, and particularly relates to an arm section splicing unit, an arm section and a tower crane. Wherein, this arm festival concatenation unit includes unit components and horizontal pole. The unit component comprises a chord member, a plurality of connecting lug plates and web members. The connecting ear plates and the chord are positioned on the same plane and on one side of the chord, and the connecting ear plates are positioned on a straight line with an offset included angle relative to the chord. The web members are connected between the connecting ear plates and the chords. The horizontal rods are used for connecting unit assemblies which are arranged in parallel at intervals. The arm sections are arranged in a modularized mode, so that the arm sections are convenient to transport and assemble on a construction site. Secondly, the size of the framework of the arm section splicing unit gradually changes along the length direction of the chord, and the large end part of the framework can be arranged close to the tower body of the tower crane, so that the connection strength is enhanced to improve the bearing capacity; the tip that the skeleton is little can keep away from the body of the tower setting of tower machine, so can reduce the area of facing the wind in order to improve stability.
Description
Technical Field
The utility model belongs to the technical field of construction machinery, and particularly relates to an arm section splicing unit, an arm section and a tower crane.
Background
The tower crane is called a tower crane for short, the tower crane comprises a tower body, a balance arm, a cargo boom and the like, and the balance arm and the cargo boom are formed by splicing a plurality of boom sections. Along with the development of the building industry, the requirements on the hoisting weight, the hoisting height and the like of the tower crane are higher and higher, in order to meet the higher requirements, the size of the whole tower crane is gradually increased, the size and the weight of the arm section are increased, the transportation difficulty is high, the transportation cost is high, and the requirements on the stability of the arm section and the hoisting load are high.
SUMMERY OF THE UTILITY MODEL
Aiming at the defects or shortcomings in the prior art, the utility model provides the arm section splicing unit, the arm section and the tower crane, which have higher bearing capacity and good stability, and are convenient to transport and assemble due to modularized arrangement.
To achieve the above object, a first aspect of the present invention provides an arm segment splicing unit, including:
a cell assembly comprising:
a chord member;
the connecting ear plates are positioned on the same plane with the chord and on one side of the chord, and the connecting ear plates are positioned on a straight line with an offset included angle relative to the chord;
the web members are connected between the connecting ear plates and the chord members; and
and the horizontal rod is used for connecting the two unit assemblies which are arranged in parallel at intervals.
Optionally, the web members include diagonal web members, and the end portions of two diagonal web members are connected to the same connecting lug plate to form a web member assembly, and the web member assembly is arranged along the length direction of the chord member and enables any two adjacent diagonal web members to be arranged in a V-shape.
Optionally, the web member assembly further comprises a straight web member perpendicular to the chords and located between the two diagonal web members, the ends of the straight web member being connected to the connecting ear plates.
Optionally, the horizontal rod includes a first horizontal rod and a second horizontal rod, two ends of the first horizontal rod are respectively connected with the two chords arranged in parallel at intervals, and two ends of the second horizontal rod are respectively connected with the two engaging lug plates arranged in parallel at intervals.
Optionally, the arm section splicing unit further includes an inclined strut located between the first horizontal rod and the second horizontal rod, and two ends of the inclined strut are respectively connected with the chord and the connecting ear plate which are diagonally arranged.
Optionally, the connecting lug plate is provided with a pin shaft hole.
The utility model provides an arm section in a second aspect, which comprises the arm section splicing unit.
Optionally, the arm section comprises two arm section splicing units spliced vertically or transversely.
Optionally, the arm section comprises a first arm section unit and a second arm section unit which are vertically spliced, and the first arm section unit and the second arm section unit both comprise two arm section splicing units which are transversely spliced; or the arm section comprises a first arm section unit and a second arm section unit which are transversely spliced, and the first arm section unit and the second arm section unit comprise two arm section splicing units which are vertically spliced.
The utility model provides a tower crane in a third aspect, which comprises the arm section.
The plurality of arm section splicing units can be assembled and spliced to form the arm sections, namely the arm sections are arranged in a modularized mode, so that the arm sections are convenient to transport and assemble on a construction site. Secondly, the size of the framework of the arm section splicing unit gradually changes along the length direction of the chord, and the large end part of the framework can be arranged close to the tower body of the tower crane, so that the connection strength is enhanced to improve the bearing capacity; the tip that the skeleton is little can keep away from the body of the tower setting of tower machine, so can reduce the area of facing the wind in order to improve stability.
Additional features and advantages of the utility model will be set forth in the detailed description which follows.
Drawings
The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model and not to limit the utility model. In the drawings:
FIG. 1 is a front view of a cell assembly according to an embodiment of the present invention;
FIG. 2 is a side view of an arm segment splicing unit according to an embodiment of the present invention;
FIG. 3 is a bottom view of FIG. 2;
FIG. 4 is a front view of an arm segment according to an embodiment of the present invention;
FIG. 5 is a right side view of FIG. 4;
FIG. 6 is a side view of another arm segment according to an embodiment of the present invention;
FIG. 7 is a further arm segment side illustration in accordance with an embodiment of the present invention;
FIG. 8 is a schematic cross-sectional view of a chord according to an embodiment of the present invention.
Description of reference numerals: 100. an arm section splicing unit; 200. an arm section; 10. a unit component; 11. a chord member; 12. connecting the ear plates; 13. a connecting rod; 14. a web member; 15. a horizontal bar; 16. a diagonal brace; 141. a diagonal web member; 142. a straight web member; 151. a first horizontal bar; 152. second horizontal bar
Detailed Description
The following detailed description of embodiments of the utility model refers to the accompanying drawings. It should be understood that the detailed description and specific examples, while indicating embodiments of the utility model, are given by way of illustration and explanation only, not limitation.
It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict.
In embodiments of the utility model, where the context requires otherwise, the use of directional terms such as "upper, lower, top and bottom" is generally intended in the orientation shown in the drawings or the positional relationship of the various components in a vertical, vertical or gravitational orientation.
The utility model will be described in detail below with reference to exemplary embodiments and with reference to the accompanying drawings.
The arm segment splicing unit 100 includes a unit assembly 10 and a horizontal rod 15. The unit assembly 10 includes a chord 11, a plurality of connecting lugs 12, and a web member 14. The connecting ear plates 12 are located on the same plane as the chord 11 and on one side of the chord 11, and the connecting ear plates 12 are located on a straight line having an offset angle with respect to the chord 11. The web member 14 is connected between the connecting lug 12 and the chord 11. Horizontal rods 15 are used to connect the unit assemblies 10 arranged in parallel spaced apart relationship.
As shown in fig. 1 and 2, in particular, the horizontal rod 15 is connected to two unit assemblies 10 arranged in parallel at intervals to form an arm segment splicing unit 100, and since the connecting ear plates 12 and the chords 11 in the unit assemblies 10 are located in the same plane and are arranged at an included angle, the skeleton size of the whole arm segment splicing unit 100 is gradually changed along the length direction of the chords 11. In addition, the connection ear plate 12 can link to each other in order to form the arm festival with the connection ear plate 12 among other arm festival concatenation units 100, so the arm festival is formed by the concatenation of a plurality of arm festival concatenation units 100, can transport the less arm festival concatenation unit 100 of size to assemble to the building site, and specially adapted large-scale tower machine so is convenient for transport. As shown in fig. 1 and 4, in the illustrated embodiment, the right end dimension of the arm section joining unit 100 is larger than the left end dimension, and the right end dimension of the arm section formed by joining two arm section joining units 100 is larger than the left end dimension. The right side end part with large size can be connected with a tower body close to the tower crane to strengthen the connection, so that the hoisting load is improved; the left side end that the size is little is kept away from the body of the tower machine and is set up, also along with the length direction of chord member, the windward area of arm festival reduces gradually, reduces the moment of environmental wind power effect on the arm festival, can further improve stability.
Further, the web member 14 includes oblique web members 141, ends of two oblique web members 141 are connected to the same connecting lug 12 to form a web member assembly, and the plurality of web members are arranged along a length direction of the chord member and make any two adjacent oblique web members 141 in a V-shaped arrangement.
As shown in fig. 1, specifically, a plurality of diagonal web members 141 are disposed between the connecting ear plate 12 and the chord 11, one end of each diagonal web member 141 is connected to the chord 11, and the other end is connected to the connecting ear plate 12, so as to connect the connecting ear plate and the chord 11 to form the unit assembly 10, one end of each of two diagonal web members 141 is connected to the same connecting ear plate 12 to form the web member assembly, and the other ends of two diagonal web members 141 in the web member assembly are disposed at intervals on the chord 11. A plurality of web members are arranged along the length direction of the chord member 11, so that any two adjacent oblique web members 141 are in a V shape and form a stable triangular framework structure with the chord member 11, and the stability of the whole unit assembly 10 is improved.
Further, the web member assembly further comprises a straight web member 142 perpendicular to the chord 11 and located between the two diagonal web members 141, the end of the straight web member 142 being connected to the connecting ear plate 12.
As shown in fig. 1, specifically, a plurality of straight web members 142 are arranged along the length direction of the chord 11, the plurality of straight web members 142 are all vertically connected to the chord 11, the plurality of straight web members 142 and the plurality of connecting ear plates 12 are connected in a one-to-one correspondence, and each straight web member 142 is located between two oblique web members 141 in the web member assembly, so as to further strengthen the connection between the connecting ear plates 12 and the chord 11.
As shown in fig. 1, in the illustrated embodiment, a plurality of the connection lug plates 12 are sequentially connected by the connection rod 13, thereby improving the connection stability between the connection lug plates 12.
In the embodiment of the present invention, the horizontal rod 15 includes a first horizontal rod 151 and a second horizontal rod 152, two ends of the first horizontal rod 151 are respectively connected to the two chords 11 arranged in parallel and spaced apart, and two ends of the second horizontal rod 152 are respectively connected to the two connecting ear plates 12 arranged in parallel and spaced apart.
As shown in fig. 2 and 3, in particular, the two unit assemblies 10 in the arm segment splicing unit 100 are arranged in parallel at intervals, so the chord 11 and the connecting ear plate 12 between the two unit assemblies 10 are also arranged in parallel at intervals. The first horizontal bar 151 connects the chords 11 in parallel spaced arrangement and the second horizontal bar 152 connects the engaging ear plates 12 in parallel spaced arrangement, thereby firmly connecting the two unit assemblies 10 in parallel spaced arrangement to form a reliable arm segment splicing unit 100. In order to reinforce the connection between the two unit assemblies 10, the number of the first horizontal bars 151 and the second horizontal bars 152 is plural, the plural first horizontal bars 151 are arranged along the length direction of the chord 11, and the plural second horizontal bars 152 are arranged along the length direction of the connecting member.
Further, the arm section splicing unit 100 further comprises a diagonal brace 16 located between the first horizontal rod 151 and the second horizontal rod 152, and both ends of the diagonal brace 16 are respectively connected with the chord 11 and the connecting ear plate 12 which are diagonally arranged.
As shown in fig. 2, in particular, the chord members 11 and the connecting ear plates 12 arranged diagonally are respectively located in the two unit assemblies 10 arranged in parallel and spaced, so the diagonal brace 16 further strengthens and connects the two unit assemblies 10, and in addition, the diagonal brace 16, the horizontal bar 15 and the web members 14 form a triangular framework structure therebetween, which can make the whole arm segment splicing unit 100 more stable.
In the embodiment of the present invention, the chord member 11 may be formed by splicing a plurality of members, for example, the chord member 11 includes a plurality of flat plates or angle steels capable of being spliced with each other, and the plurality of flat plates or angle steels are spliced to form the chord member 11, as shown in fig. 8, and the cross-sectional shape of the chord member 11 is any one of a rectangle, a triangle, and a Chinese character 'ri'. Alternatively, the chord 11 is an integrally formed pipe, for example, the chord 11 includes an integrally formed circular pipe.
In the embodiment of the present invention, the engaging lug plate 12 is provided with a pin shaft hole. In this embodiment, the pin holes of the connecting ear plates 12 between the two arm joint splicing units 100 are butted one by one, the two arm joint splicing units 100 are fixedly spliced through the pin shafts, and the pin shafts are fixedly connected, so that the device is safe, reliable and low in cost.
The second exemplary embodiment of the present invention provides an arm section, and the arm section 200 includes the arm section splicing unit 100 described above. Since the arm segment 200 employs the arm segment splicing unit 100 described above, it is apparent that all the technical effects brought by the arm segment splicing unit 100 are provided. Since the skeleton size of the arm segment splicing units 100 gradually changes along the length direction of the chord 11, the skeleton size of the arm segments 200 spliced by the arm segment splicing units 100 also gradually changes along the length direction of the chord 11. The end part with large framework size is arranged close to the tower body so as to strengthen the connection and improve the hoisting load. The tip that the skeleton size is little is kept away from the body of the tower setting to reduce the moment that environment wind-force produced, improve stability, other beneficial effects are not repeated here.
The arm section 200 can be formed by splicing the arm section splicing units 100 in the embodiment or splicing the arm section splicing units 100 in the embodiment with other arm section splicing units of different structures, and the arm section 200 in the modularized arrangement is suitable for large-scale tower cranes and is convenient to transport and install on site. As shown in fig. 5 and 6, in the illustrated embodiment, the arm segment 200 includes two arm segment splicing units 100 spliced vertically or horizontally, which can be selected according to actual requirements.
In the embodiment of the present invention, the arm segment 200 includes a first arm segment unit and a second arm segment unit which are vertically spliced, and each of the first arm segment unit and the second arm segment unit includes two arm segment splicing units 100 which are horizontally spliced; alternatively, the arm segment 200 includes a first arm segment unit and a second arm segment unit that are spliced in the lateral direction, and the first arm segment unit and the second arm segment unit include two arm segment splicing units 100 that are spliced in the vertical direction.
As shown in fig. 7, in particular, the arm segment 200 includes 4 arm segment splicing units 100, and two arm segment splicing units 100 are spliced to form a group of arm segment units, that is, the 4 arm segment splicing units 100 may form two arm segment units, which are a first arm segment unit and a second arm segment unit respectively. In one embodiment, the first arm section unit and the second arm section unit are formed by splicing two arm section splicing units 100 in the transverse direction, and the first arm section unit and the second arm section unit can be spliced in the vertical direction to form the arm section 200. In another embodiment, the first arm section unit and the second arm section unit are formed by vertically splicing two arm section splicing units, and the first arm section unit and the second arm section unit can be transversely spliced to form the arm section 200. The framework of the arm section 200 in this embodiment is single in size, and is suitable for a tower crane with a large load.
A third exemplary embodiment of the present invention provides a tower crane, which includes the arm section 200 described above. Because this tower machine has adopted above-mentioned arm section 200, obviously possess all beneficial effects that above-mentioned arm section 200 brought, do not need here to describe in detail. The tower crane in the exemplary embodiment may include other components that interact with or are arranged independently of the arm sections, and the types of the other components may be adaptively adjusted according to different tower crane models.
Although the embodiments of the present invention have been described in detail with reference to the accompanying drawings, the embodiments of the present invention are not limited to the details of the above embodiments, and various simple modifications can be made to the technical solutions of the embodiments of the present invention within the technical idea of the embodiments of the present invention, and the simple modifications all belong to the protection scope of the embodiments of the present invention.
It should be noted that, in the foregoing embodiments, various features described in the foregoing embodiments may be combined in any suitable manner, and in order to avoid unnecessary repetition, various possible combinations are not described in further detail in the embodiments of the present invention.
In addition, any combination of various different implementation manners of the embodiments of the present invention is also possible, and the embodiments of the present invention should be considered as disclosed in the embodiments of the present invention as long as the combination does not depart from the spirit of the embodiments of the present invention.
Claims (10)
1. An arm segment splicing unit, characterized in that the arm segment splicing unit (100) comprises:
unit assembly (10) comprising:
a chord (11);
a plurality of connecting ear plates (12) which are positioned on the same plane with the chord (11) and are arranged on one side of the chord (11), wherein the connecting ear plates (12) are positioned on a straight line with an offset included angle relative to the chord (11);
a web member (14) connected between the connecting lug plate (12) and the chord member (11); and
a horizontal bar (15) for connecting two of said unit assemblies (10) arranged in parallel spaced apart.
2. The arm segment splicing unit according to claim 1, wherein the web members (14) comprise diagonal web members (141), and ends of two diagonal web members (141) are connected to the same connecting lug plate (12) to form a web member assembly, and a plurality of the web member assemblies are arranged along a length direction of the chord member (11) such that any two adjacent diagonal web members (141) are arranged in a V-shape.
3. The arm segment splicing unit according to claim 2, wherein the web member assembly further comprises a straight web member (142) perpendicular to the chord member (11) and located between the two diagonal web members (141), the ends of the straight web member (142) being connected to the connecting ear plates (12).
4. The arm segment splicing unit according to claim 1, wherein the horizontal bar (15) comprises a first horizontal bar (151) and a second horizontal bar (152), both ends of the first horizontal bar (151) are respectively connected with the two chords (11) arranged in parallel and spaced apart, and both ends of the second horizontal bar (152) are respectively connected with the two connecting ear plates (12) arranged in parallel and spaced apart.
5. The arm segment splicing unit according to claim 4, wherein the arm segment splicing unit (100) further comprises a diagonal brace (16) between the first horizontal bar (151) and the second horizontal bar (152), and both ends of the diagonal brace (16) are respectively connected with the chord (11) and the connecting ear plate (12) which are diagonally arranged.
6. The arm segment splicing unit according to claims 1 to 5, wherein said connecting lug plate (12) is provided with a pin shaft hole.
7. An arm segment, characterized in that the arm segment (200) comprises an arm segment splicing unit (100) according to any one of claims 1 to 6.
8. The arm segment according to claim 7, characterized in that the arm segment (200) comprises two of the arm segment splicing units (100) spliced vertically or transversely.
9. The arm segment according to claim 7, characterized in that the arm segment (200) comprises a first and a second vertically spliced arm segment unit, each comprising two of the arm segment splicing units (100) spliced in a transverse direction; or, the arm section (200) comprises a first arm section unit and a second arm section unit which are spliced transversely, and the first arm section unit and the second arm section unit comprise two arm section splicing units (100) which are spliced vertically.
10. A tower crane, characterized in that it comprises an arm segment (200) according to any one of claims 7 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121112685.0U CN215479346U (en) | 2021-05-21 | 2021-05-21 | Arm section splicing unit, arm section and tower crane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121112685.0U CN215479346U (en) | 2021-05-21 | 2021-05-21 | Arm section splicing unit, arm section and tower crane |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215479346U true CN215479346U (en) | 2022-01-11 |
Family
ID=79779915
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121112685.0U Active CN215479346U (en) | 2021-05-21 | 2021-05-21 | Arm section splicing unit, arm section and tower crane |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215479346U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116534741A (en) * | 2023-05-31 | 2023-08-04 | 徐州建机工程机械有限公司 | A tower crane jib structure and its assembly method |
-
2021
- 2021-05-21 CN CN202121112685.0U patent/CN215479346U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116534741A (en) * | 2023-05-31 | 2023-08-04 | 徐州建机工程机械有限公司 | A tower crane jib structure and its assembly method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN111254805B (en) | Steel box girder of steel structure bridge | |
| CN102616683B (en) | Tower crane climbing frame and tower crane comprising same | |
| CN215479346U (en) | Arm section splicing unit, arm section and tower crane | |
| CN105366568A (en) | Combined type arm frame and hoisting equipment | |
| CN205312931U (en) | Modular cantilever crane and hoisting equipment | |
| CN207177086U (en) | It is a kind of can quick assembling set up truss | |
| CN210238296U (en) | A large-scale tower crane attached wall space steel truss foundation | |
| CN212669031U (en) | Novel split type jib loading boom of tower machine | |
| CN210712514U (en) | Vertical reinforcing structure for bailey beam | |
| CN218061717U (en) | Clamping connection holding rod lifting frame base module | |
| CN215886139U (en) | Arm support | |
| CN202220046U (en) | Modified connection structure and connection piece of truss girder of gantry crane | |
| CN215886133U (en) | Tower crane standard knot | |
| CN214996327U (en) | Assembled building support column | |
| CN214577533U (en) | Can realize cross chassis of wind-powered electricity generation tower machine of quick installation of diagonal brace | |
| CN211007589U (en) | Deck-type modular maintenance hanging basket | |
| CN202849953U (en) | Space trussed type bridge girder erection machine | |
| CN110844763A (en) | Special balance beam for hoisting large-scale structural module | |
| CN219950317U (en) | A new type of tower crane special section structure | |
| CN221070779U (en) | Tower crane standard knot convenient to dismantle equipment | |
| CN211444690U (en) | Special balance beam for hoisting large-scale structural module | |
| CN220643897U (en) | Bailey beam pushing guiding bracket | |
| CN219547537U (en) | Composite beam structure and bridge | |
| CN219491865U (en) | Bearing support of stereo garage | |
| CN220412153U (en) | Telescopic supporting frame for storing and transporting steel shell segments |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |