CN220265061U - Arm support structure for mast crane - Google Patents
Arm support structure for mast crane Download PDFInfo
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- CN220265061U CN220265061U CN202321808267.4U CN202321808267U CN220265061U CN 220265061 U CN220265061 U CN 220265061U CN 202321808267 U CN202321808267 U CN 202321808267U CN 220265061 U CN220265061 U CN 220265061U
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- 230000003014 reinforcing effect Effects 0.000 claims abstract description 73
- 230000002457 bidirectional effect Effects 0.000 claims description 9
- 210000001015 abdomen Anatomy 0.000 claims description 4
- 230000002146 bilateral effect Effects 0.000 claims description 3
- 230000003187 abdominal effect Effects 0.000 claims 2
- 238000000034 method Methods 0.000 abstract description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 230000001360 synchronised effect Effects 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000007704 transition Effects 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Abstract
The utility model discloses a boom structure for a mast crane, which is a detachable double-arm combined structure with two symmetrical sides, and comprises a bottom cross beam, a root section, a standard section, a reinforcing section, a lower layer connecting beam, an upper layer connecting beam, a head section, a head cross beam, an auxiliary boom, a boom, an amplitude changing system and a herringbone frame; the root section is connected with the bottom beam and the standard section, the standard section is connected with the reinforcing sections, the reinforcing sections on two sides of the arm support are connected with the upper connecting beam through the lower connecting beam, the head section is connected with the uppermost reinforcing section and the head beam, and the auxiliary arm is arranged on the head beam; one end of the amplitude changing system is connected with the head cross beam, and the other end is connected with the herringbone frame. The arm support is of a double-arm structure, arm sections can be detached and interchanged, processing, manufacturing, mounting and dismounting are facilitated, and process requirements are reduced; the synchronous stress of the two groups of single-arm structures is ensured, and overweight and ultra-wide transportation is avoided.
Description
Technical Field
The utility model relates to a boom structure for a mast crane, which is applied to hoisting machinery and belongs to the technical field of machinery.
Background
The mast crane arm frame is different from the floating crane arm frame, the floating crane arm frame is of an integral welding structure, and the arm frame arm system arrangement is not limited by a transportation space. The mast crane needs frequent transition disassembly and assembly, the arm support is of a combined assembly structure, and arm length combination and disassembly are carried out according to working condition requirements. The mast crane is applied to loading and unloading goods at ports and wharfs, and at present, the mast crane generally adopts a single-arm structure, and the whole width of an arm support of the mast crane on a rotation plane is large, so that the side load resistance is poor, the whole stability is poor, and the large-amplitude hoisting requirements of overlong and overweight goods cannot be met. Compared with a single-arm structure, the double-arm structure avoids bending of the single-arm structure under the action of transverse load, changes the stress type and effectively improves the bearing capacity of the arm support.
Disclosure of Invention
Aiming at the defects in the prior art, the utility model provides the arm support structure for the mast crane, wherein the arm support is of a double-arm structure, and arm joints are detachable.
In order to solve the technical problem, the utility model provides a boom structure for a mast crane, wherein the boom is a detachable two-arm combined structure with bilateral symmetry, and comprises a bottom cross beam, a root section, a standard section, a reinforcing section, a lower-layer connecting beam, an upper-layer connecting beam, a head section, a head cross beam, an auxiliary arm, a boom, a luffing system and a herringbone frame; the root section is connected with the bottom beam and the standard section, the standard section is connected with the reinforcing sections, the reinforcing sections on two sides of the arm support are connected with the upper connecting beam through the lower connecting beam, the head section is connected with the uppermost reinforcing section and the head beam, and the auxiliary arm is arranged on the head beam; one end of the amplitude changing system is connected with the head cross beam, and the other end is connected with the herringbone frame.
The double-arm structure is formed by connecting two groups of single-arm structures, and the single-arm structure consists of a root section, a standard section, a reinforcing section and a head section. The two groups of single-arm structures are respectively connected with the head cross beam from bottom to top by the bottom cross beam, the lower connecting beam, the upper connecting beam and the head cross beam.
The bottom cross beam comprises a bottom box beam, bottom flanges and bottom lug plates, wherein the bottom lug plates and the bottom flanges are symmetrically welded on two sides of the bottom box beam, and the bottom flanges are rectangular flanges.
The root section is of a welded limb bidirectional variable cross-section lattice structure and comprises a root section flange, a root section joint, a root section chord member and a root section web member, wherein the root section flange is a rectangular flange and is connected with a bottom flange of a bottom cross beam through bolts; the root section is provided with four groups of root section joints, and the root section joints are round joints.
The standard joint is of a welded four-limb constant-section lattice structure and comprises standard joint connectors, standard joint chords and standard joint web members, eight groups of standard joint connectors are arranged on the standard joint connectors, the standard joint connectors are round joints and are symmetrically arranged on two sides of the standard joint, four groups of standard joint connectors are connected with root joint connectors of a bottom cross beam through bolts, and in addition, four groups of standard joint connectors are connected with reinforcing joints through bolts.
The reinforcing joint is of a welded four-limb constant-section lattice structure and comprises reinforcing joint connectors, reinforcing joint chords, reinforcing joint web members and connecting beam connectors, eight groups of reinforcing joint connectors are arranged on the reinforcing joint connectors, the reinforcing joint connectors are round connectors, and the reinforcing joint connectors are symmetrically arranged on two sides of the reinforcing joint; the four groups of beam joints are welded on the side surfaces of the reinforcing joints and butt-welded with chord members of the reinforcing joints on the other sides of the reinforcing joints.
The lower layer is of a welded four-limb lattice structure and comprises lower layer connecting beam joints, lower layer connecting beam chords and lower layer connecting beam web rods, eight groups of lower layer connecting beam joints are arranged on the lower layer connecting beams, the lower layer connecting beam joints are round joints and are symmetrically arranged on two sides of the lower layer connecting beam, and the lower layer connecting beam joints and the connecting beam joints of the reinforcing joints are connected through bolts.
The upper layer is of a welded four-limb constant-section lattice structure, and comprises an upper layer connecting beam joint, an upper layer connecting beam chord member and an upper layer connecting beam web rod, wherein eight groups of upper layer connecting beam joints are arranged on the upper layer connecting beam, the upper layer connecting beam joints are round joints and are symmetrically arranged on two sides of the upper layer connecting beam, and the upper layer connecting beam joints and the connecting beam joints of the reinforcing joints are connected through bolts.
The head joint is of a welded limb bidirectional variable cross-section lattice structure and comprises head joint connectors, head joint chords, head joint web members and head joint flanges, wherein the head joint connectors are provided with four groups of head joint connectors, the head joint connectors are round connectors and are symmetrically arranged on one side of the head joint, and the four groups of head joint flanges are connected with head cross beams through bolts; the head cross beam comprises a head box beam and six groups of head lug plates, the head lug plates are welded on one side of the head box beam, two groups of head lug plates are used for connecting auxiliary arms, and the other four groups of head lug plates are connected with the amplitude changing system.
The auxiliary arm is of a welded limb bidirectional variable cross-section lattice structure and comprises an auxiliary arm connector, an auxiliary arm chord member, an abdomen web member and an auxiliary arm ear plate, wherein the auxiliary arm is provided with four groups of auxiliary arm connectors, and the auxiliary arm connectors are round connectors and are symmetrically arranged on one side of the auxiliary arm.
The arm support can be provided with one or more layers of connecting beams according to the amplitude change and the arm length requirement; the arm support can be provided with a plurality of standard joints and reinforcing joints; the standard joint, the reinforcing joint, the upper layer connecting beam joint and the lower layer connecting beam joint are identical in structure, the interfaces are identical, and the arm joints are interchangeable.
The beneficial effects are that: the arm support is of a double-arm structure, and arm joints can be split. The standard joint, the reinforcing joint, the upper layer connecting beam joint and the lower layer connecting beam joint are identical in structure, the interfaces are identical, and the arm joints can be exchanged, so that the processing, the manufacturing, the mounting and the dismounting are convenient, and the technological requirements are reduced. According to the amplitude change and arm length requirements, the arm support can be provided with one or more layers of connecting beams, and the arm support can be provided with more standard joints and reinforcing joints; the upper layer connecting beam, the lower layer connecting beam and the single-arm structure are connected through bolts, so that the synchronous stress of the two groups of single-arm structures is guaranteed for the detachable structure, and overweight and ultra-wide transportation are avoided.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic elevation view of the boom of the present utility model;
FIG. 3 is a schematic structural illustration of the boom shaft of the present utility model;
FIG. 4 is a schematic view of the structure of the bottom beam of the present utility model;
FIG. 5 is a schematic view of the root node structure of the present utility model;
FIG. 6 is a schematic view of a standard knot of the present utility model;
FIG. 7 is a schematic view of a reinforcing joint according to the present utility model;
FIG. 8 is a schematic view of the structure of the lower connecting beam of the present utility model;
FIG. 9 is a schematic view of the upper beam structure of the present utility model;
FIG. 10 is a schematic view of the structure of the head section of the present utility model;
FIG. 11 is a schematic view of the structure of the head rail of the present utility model;
FIG. 12 is a schematic view of the structure of the auxiliary arm of the present utility model;
FIG. 13 is a schematic view of the structure of the mast crane of the present utility model;
FIG. 14 is a schematic view of the structure of the present utility model with a single link Liang Beijia;
FIG. 15 is a single arm assembly schematic of the present utility model;
FIG. 16 is a schematic diagram of a dual arm assembly of the present utility model.
In the figure: 1. a bottom cross beam; 2. root section; 3. a standard section; 4. reinforcing joints; 5. a lower layer connecting beam; 6. an upper layer connecting beam; 7. a head section; 8. a head cross beam; 9. a secondary arm; 10. arm support; 11. a luffing system; 12. a propeller strut; 101. a bottom ear plate; 102. a bottom box girder; 103. a bottom flange; 201. a root section flange; 202. a root section joint; 203. root chord members; 204. root section web members; 301. a standard joint; 302. a standard chord member; 303. standard web members; 401. a reinforcing joint; 402. reinforcing the chord member; 403. reinforcing the web members; 404. a beam joint; 501. the lower layer is connected with a beam joint; 502. the lower layer is connected with a beam chord; 503. a lower layer Liang Fugan; 601. the upper layer is connected with the beam joint; 602. the upper layer is connected with a beam chord; 603. the upper layer is connected with a beam web rod; 701. a head section joint; 702. head chord members; 703. head web members; 704. a head section flange; 801. a head ear plate; 802. a head box girder; 901. a sub-arm joint; 902. a secondary arm chord; 903. abdomen web members; 904. an auxiliary arm ear plate.
Detailed Description
The present utility model will be described in detail with reference to the accompanying drawings and examples.
As shown in fig. 1-16, the utility model provides a boom structure for a mast crane, wherein the boom is a detachable two-arm combined structure with bilateral symmetry, and comprises a bottom cross beam 1, two root joints 2, four standard joints 3, four reinforcing joints 4, a lower connecting beam 5, an upper connecting beam 6, two head joints 7, a head cross beam 8, an auxiliary arm 9, a boom 10, an amplitude variation system 11 and a herringbone frame 12; the root section 2 is connected with the bottom cross beam 1 and the standard section 3, the standard section 3 is connected with the reinforcing sections 4, the reinforcing sections 4 on two sides of the arm support are connected with the upper connecting beam 6 through the lower connecting beam 5, the head section 7 is connected with the uppermost reinforcing section 4 and the head cross beam 8, and the auxiliary arm 9 is arranged on the head cross beam 8; one end of the amplitude changing system 11 is connected with the head cross beam 8, and the other end is connected with the propeller strut 12.
The bottom cross beam 1 comprises a bottom box beam 102, two bottom flanges 103 and four bottom ear plates 101, wherein the bottom ear plates 101 and the bottom flanges 103 are symmetrically welded on two sides of the bottom box beam 102, and the bottom flanges 103 are rectangular flanges.
The root section 2 is a welded limb bidirectional variable cross-section lattice structure and comprises a root section flange 201, a root section joint 202, a root section chord member 203 and a root section web member 204, wherein the root section flange 201 is a rectangular flange and is connected with the bottom flange 103 of the bottom cross beam 1 by bolts; the root node 2 is provided with four groups of root node joints 202, and the root node joints 202 are round joints.
The standard joint 3 is a welded four-limb constant-section lattice structure and comprises standard joint connectors 301, standard joint chords 302 and standard joint web members 303, eight groups of standard joint connectors 301 are arranged on the standard joint 3, the standard joint connectors 301 are round joints and are symmetrically arranged on two sides of the standard joint 3, four groups of standard joint connectors 301 are connected with root joint connectors 202 of the bottom cross beam 1 through bolts, and the other four groups of standard joint connectors 301 are connected with the reinforcing joint 4 through bolts.
The reinforcing joint 4 is of a welded limb constant-section lattice structure and comprises reinforcing joint joints 401, reinforcing joint chords 402, reinforcing joint web members 403 and connecting beam joints 404, eight groups of reinforcing joint joints 401 are arranged on the reinforcing joint 4, the reinforcing joint joints 401 are circular joints, and the reinforcing joint joints are symmetrically arranged on two sides of the reinforcing joint 4; four sets of tie-beam joints 404 are welded to the sides of the spar 4 and butt welded to the spar chords 402 on the other side of the spar 4.
The lower layer connecting beam 5 is of a welded four-limb lattice structure and comprises a lower layer connecting beam joint 501, a lower layer connecting beam chord 502 and a lower layer connecting beam web 503, the lower layer connecting beam 5 is provided with eight groups of lower layer connecting beam joints 501, the lower layer connecting beam joints 501 are round joints, are symmetrically arranged on two sides of the lower layer connecting beam 5, and are connected with the connecting beam joints 404 of the reinforcing joint 4 through bolts.
The upper layer connecting beam 6 is of a welded four-limb constant-section lattice structure and comprises an upper layer connecting beam joint 601, an upper layer connecting beam chord 602 and an upper layer connecting beam web 603, eight groups of upper layer connecting beam joints 601 are arranged on the upper layer connecting beam 6, the upper layer connecting beam joints 601 are round joints and are symmetrically arranged on two sides of the upper layer connecting beam 6, and the upper layer connecting beam joints 404 of the reinforcing joint 4 are connected through bolts.
The head section 7 is of a welded limb bidirectional variable cross-section lattice structure and comprises head section joints 701, head section chords 702, head section web members 703 and head section flanges 704, the head section 7 is provided with four groups of head section joints 701, the head section joints 701 are circular joints and are symmetrically arranged on one side of the head section 7, and the four groups of head section flanges 704 are connected with a head cross beam 8 through bolts; the head cross beam 8 comprises a head box beam 802 and six groups of head lug plates 801, wherein the head lug plates 801 are welded on one side of the head box beam 802, two groups of head lug plates 801 are used for connecting the auxiliary arm 9, and the other four groups of head lug plates 801 are connected with the amplitude changing system 11.
The auxiliary arm 9 is of a welded four-limb bidirectional variable-section lattice structure, and comprises an auxiliary arm connector 901, an auxiliary arm chord member 902, an abdomen web member 903 and an auxiliary arm ear plate 904, wherein the auxiliary arm 9 is provided with four groups of auxiliary arm connectors 901, and the auxiliary arm connectors 901 are circular connectors and are symmetrically arranged on one side of the auxiliary arm 9.
The arm support 10 can be provided with one or more layers of connecting beams according to the amplitude change and the arm length requirement; the arm support 10 can be provided with a plurality of standard joints 3 and reinforcing joints 4; the standard joint 301, the reinforcement joint 401, the upper layer girder connecting joint 601 and the lower layer girder connecting joint 501 have the same structure, the same interfaces and the interchangeable arm joints.
The assembly mode and the assembly process of the utility model are as follows:
the arm support assembling mode and process are as follows: 1. assembling two groups of single-arm structures, namely connecting a root joint, a standard joint, a reinforcing joint and a head joint end to end in sequence to form a single-arm structure, as shown in fig. 15; 2. connecting the two groups of single-arm structures, and connecting and fixing the left and right groups of single-arm structures by the lower connecting beam and the upper connecting beam, as shown in fig. 16; 3. assembling the double-arm structure, namely fixing the upper side and the lower side of the two groups of single-arm structures by the bottom cross beam and the head cross beam, as shown in fig. 1; 4. the secondary arm is attached to secure the secondary arm to the head rail as shown in fig. 3.
The utility model adopts a detachable double-arm combined structure, two sides are symmetrical, two single arms are connected through the bottom cross beam, the connecting beam and the head cross beam, the reinforcing joints at two sides of the arm support are connected through the lower connecting beam and the upper connecting beam, the head joint is connected with the uppermost reinforcing joint and the head cross beam, and the auxiliary arm is arranged on the head cross beam, so that the lateral stability is good. The arm joints are connected through the flange and the bolts, so that the installation, connection and detachment operation are convenient, and the transition is convenient.
The above-described embodiments of the utility model are intended to be examples only, and not to be limiting, and all changes that come within the scope of the utility model or equivalents thereto are intended to be embraced thereby.
Claims (10)
1. The utility model provides a cantilever crane structure for mast hoist which characterized in that: the arm support (10) is of a detachable two-arm combined structure with bilateral symmetry, and comprises a bottom cross beam (1), a root section (2), a standard section (3), a reinforcing section (4), a lower-layer connecting beam (5), an upper-layer connecting beam (6), a head section (7), a head cross beam (8), an auxiliary arm (9), the arm support (10), an amplitude changing system (11) and a herringbone frame (12); the root section (2) is connected with the bottom cross beam (1) and the standard section (3), the standard section (3) is connected with the reinforcing section (4), the reinforcing sections (4) on two sides of the arm support (10) are connected with the upper connecting beam (6) through the lower connecting beam (5), the head section (7) is connected with the uppermost reinforcing section (4) and the head cross beam (8), and the auxiliary arm (9) is arranged on the head cross beam (8); one end of the amplitude changing system (11) is connected with the head cross beam (8), and the other end is connected with the propeller strut (12).
2. The boom structure for a mast crane according to claim 1, wherein: the bottom cross beam (1) comprises a bottom box beam (102), bottom flanges (103) and bottom lug plates (101), wherein the bottom lug plates (101) and the bottom flanges (103) are symmetrically welded on two sides of the bottom box beam (102), and the bottom flanges (103) are rectangular flanges.
3. The boom structure for a mast crane according to claim 1, wherein: the root section (2) is a welded limb bidirectional variable cross-section lattice structure and comprises a root section flange (201), a root section joint (202), a root section chord member (203) and a root section web member (204), wherein the root section flange (201) is a rectangular flange and is connected with a bottom flange (103) of the bottom cross beam (1) through bolts; the root section (2) is provided with four groups of root section joints (202), and the root section joints (202) are round joints.
4. The boom structure for a mast crane according to claim 1, wherein: the standard joint (3) is of a welded four-limb constant-section lattice structure and comprises a standard joint connector (301), a standard joint chord member (302) and a standard joint web member (303), eight groups of standard joint connectors (301) are arranged on the standard joint (3), the standard joint connectors (301) are round joints and are symmetrically arranged on two sides of the standard joint (3), the root joint connectors (202) of the four groups of standard joint connectors (301) and the bottom cross beam (1) are connected through bolts, and the other four groups of standard joint connectors (301) and the reinforcing joint (4) are connected through bolts.
5. The boom structure for a mast crane according to claim 1, wherein: the reinforcing joint (4) is of a welded limb constant-section lattice structure and comprises reinforcing joint connectors (401), reinforcing joint chords (402), reinforcing joint web members (403) and connecting beam connectors (404), eight groups of reinforcing joint connectors (401) are arranged on the reinforcing joint (4), and the reinforcing joint connectors (401) are round connectors and are symmetrically arranged on two sides of the reinforcing joint (4); four groups of beam joints (404) are welded on the side face of the reinforcing joint (4) and butt-welded with the chord member (402) of the reinforcing joint on the other side of the reinforcing joint (4).
6. The boom structure for a mast crane according to claim 1, wherein: the lower layer is connected with the beam (5) and is of a welded limb lattice structure, and comprises a lower layer connecting beam joint (501), a lower layer connecting beam chord member (502) and a lower layer connecting beam abdominal rod (503), wherein the lower layer connecting beam (5) is provided with eight groups of lower layer connecting beam joints (501), the lower layer connecting beam joints (501) are round joints, and are symmetrically arranged on two sides of the lower layer connecting beam (5) and are connected with connecting beam joints (404) of the reinforcing joint (4) through bolts.
7. The boom structure for a mast crane according to claim 1, wherein: the upper layer is connected with the beam (6) and is of a welded four-limb constant-section lattice structure, and comprises an upper layer connecting beam joint (601), an upper layer connecting beam chord member (602) and an upper layer connecting beam abdominal rod (603), wherein eight groups of upper layer connecting beam joints (601) are arranged on the upper layer connecting beam (6), the upper layer connecting beam joints (601) are round joints, and are symmetrically arranged on two sides of the upper layer connecting beam (6) and are connected with connecting beam joints (404) of the reinforcing joint (4) through bolts.
8. The boom structure for a mast crane according to claim 1, wherein: the head section (7) is of a welded limb bidirectional variable-section lattice structure and comprises head section joints (701), head section chords (702), head section web members (703) and head section flanges (704), the head section (7) is provided with four groups of head section joints (701), the head section joints (701) are round joints and are symmetrically arranged on one side of the head section (7), and the four groups of head section flanges (704) are connected with a head cross beam (8) through bolts; the head cross beam (8) comprises a head box beam (802) and six groups of head lug plates (801), the head lug plates (801) are welded on one side of the head box beam (802), two groups of head lug plates (801) are used for being connected with the auxiliary arm (9), and the other four groups of head lug plates (801) are connected with the amplitude changing system (11).
9. The boom structure for a mast crane according to claim 1, wherein: the auxiliary arm (9) is of a welded limb bidirectional variable cross-section lattice structure, and comprises an auxiliary arm connector (901), an auxiliary arm chord member (902), an abdomen web member (903) and an auxiliary arm ear plate (904), wherein the auxiliary arm (9) is provided with four groups of auxiliary arm connectors (901), and the auxiliary arm connectors (901) are round connectors and are symmetrically arranged on one side of the auxiliary arm (9).
10. Boom structure for mast cranes according to any one of claims 1-9, wherein: the arm support (10) can be provided with one or more layers of connecting beams according to the amplitude change and the arm length requirement; the arm support (10) can be provided with a plurality of standard joints (3) and reinforcing joints (4); the standard joint connector (301), the reinforcing joint connector (401), the upper layer connecting beam connector (601) and the lower layer connecting beam connector (501) are identical in structure, identical in interface and interchangeable among arm joints.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321808267.4U CN220265061U (en) | 2023-07-11 | 2023-07-11 | Arm support structure for mast crane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321808267.4U CN220265061U (en) | 2023-07-11 | 2023-07-11 | Arm support structure for mast crane |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220265061U true CN220265061U (en) | 2023-12-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321808267.4U Active CN220265061U (en) | 2023-07-11 | 2023-07-11 | Arm support structure for mast crane |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220265061U (en) |
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2023
- 2023-07-11 CN CN202321808267.4U patent/CN220265061U/en active Active
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