CN105366560A - Lifting arm assembly of ship crane and ship crane - Google Patents
Lifting arm assembly of ship crane and ship crane Download PDFInfo
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- CN105366560A CN105366560A CN201510733111.8A CN201510733111A CN105366560A CN 105366560 A CN105366560 A CN 105366560A CN 201510733111 A CN201510733111 A CN 201510733111A CN 105366560 A CN105366560 A CN 105366560A
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- oil cylinder
- arm
- loop wheel
- baffle
- wheel machine
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Abstract
The invention discloses a lifting arm assembly of a ship crane and the ship crane, and belongs to the technical field of ships. The lifting arm assembly comprises a primary arm rest, a secondary arm rest, a primary oil cylinder, a secondary oil cylinder and a secondary lifting hook. The secondary arm rest is hinged to the top end of the primary arm rest. The oil cylinder part of the primary oil cylinder is hinged to the bottom end of the primary arm rest. The piston rod part of the primary oil cylinder is hinged to the middle portion of the oil cylinder part of the secondary oil cylinder. The oil cylinder part of the secondary oil cylinder is hinged to the middle portion of the primary arm rest. The piston rod part of the secondary oil cylinder is hinged to the middle portion of a secondary lifting arm. The lifting arm assembly further comprises a primary lifting hook, a hook guide device, a primary lifting steel wire rope, a primary lifting rope guide pulley set, a secondary lifting steel wire rope and a secondary lifting rope guide pulley set. The primary lifting rope guide pulley set, the secondary lifting rope guide pulley set and the hook guide device are all arranged on the primary arm rest. The lifting end of the primary lifting steel wire rope is wound around the primary lifting rope guide pulley set and the hook guide device to be connected with the primary lifting hook. The lifting end of the secondary lifting steel wire rope is wound around the secondary lifting rope guide pulley set and the secondary lifting arm to be connected with the secondary lifting hook. The lifting arm assembly is high in applicability.
Description
Technical field
The present invention relates to technical field of ships, particularly a kind of arm assembly of boats and ships loop wheel machine and boats and ships loop wheel machine.
Background technology
Boats and ships loop wheel machine is the machinery lifting by crane for the goods of seat transport ship, load and unload.Boats and ships loop wheel machine is divided into folding-jib loop wheel machine and straight arm type loop wheel machine by version.The arm of folding-jib loop wheel machine is folded state when not using, and is extended configuration during use, have flexibly feature easily, but load-carrying capacity is poor; The arm of straight arm type loop wheel machine always is longitudinal setting, have the advantages that overload capacity is strong, but underaction is convenient.The function of folding-jib loop wheel machine and straight arm type loop wheel machine is all more single, and the handling situations of each self application is limited.
Summary of the invention
In order to the function solving prior art folding-jib loop wheel machine and straight arm type loop wheel machine is all more single, the problem that the handling situations of each self application is limited, embodiments provides a kind of arm assembly and boats and ships loop wheel machine of boats and ships loop wheel machine.Described technical scheme is as follows:
On the one hand, embodiments provide a kind of arm assembly of boats and ships loop wheel machine, described boats and ships loop wheel machine comprises loop wheel machine turntable and arm assembly, described arm assembly comprises principal arm frame, secondary jib, one-level oil cylinder, two-level oil cylinder, and secondary suspension hook, described loop wheel machine turntable is connected with the bottom of described principal arm frame, described jib is hinged on the top of described principal arm frame, oil cylinder part in described one-level oil cylinder is hinged on the bottom of described principal arm frame, piston rod portion in described one-level oil cylinder is hinged on the middle part of the oil cylinder part in described two-level oil cylinder, oil cylinder part in described two-level oil cylinder is hinged on the middle part of described principal arm frame, piston rod portion in described two-level oil cylinder is hinged on the middle part of described arm,
Described arm assembly also comprises main suspension hook, leads hook device, mainly hang steel rope, mainly hang conductor rope assembly pulley, secondaryly hang steel rope and secondaryly hang conductor rope assembly pulley, described master hang conductor rope assembly pulley, described time to hang conductor rope assembly pulley, described in lead hook device and be all arranged on described principal arm frame, the lifting end that described master hangs steel rope is walked around described master and is hung conductor rope assembly pulley and be connected with described main suspension hook with described hook device of leading, and the lifting end hanging steel rope for described time is walked around and hung conductor rope assembly pulley described time and be connected with described suspension hook with described arm.
In a kind of possible implementation of the present invention, described hook device of leading comprises bracing frame, positioning baffle, tooth bar, gear and motor, support frame as described above comprises and being interconnected and the first vertical baffle plate and second baffle, described second baffle offers conductor rope groove and the slide block guide groove perpendicular to described first baffle plate, described positioning baffle vertical sliding motion is arranged in described slide block guide groove, described conductor rope slot is between described first baffle plate and described positioning baffle, the lifting end that described master hangs steel rope is connected with described main suspension hook through described conductor rope groove, one end of described tooth bar is fixedly connected with described positioning baffle, the other end suspension of described tooth bar, described gear engages with described tooth bar, described motor is coaxially connected with described gear, and described motor is arranged on described second baffle.
Alternatively, the side of described main suspension hook is provided with the first locating piece, and described first baffle plate is provided with the positioning groove matched with described first locating piece.
Preferably, the opposite side of described main suspension hook is provided with the second locating piece, described positioning baffle be provided with match with described second locating piece dock block.
In the another kind of possible implementation of the present invention, in described principal arm frame, be provided with the cavity that can hold described arm.
On the other hand, embodiments provide a kind of boats and ships loop wheel machine, described device comprises: described boats and ships loop wheel machine comprises loop wheel machine turntable and arm assembly, described arm assembly comprises principal arm frame, secondary jib, one-level oil cylinder, two-level oil cylinder, and secondary suspension hook, described loop wheel machine turntable is connected with the bottom of described principal arm frame, described jib is hinged on the top of described principal arm frame, oil cylinder part in described one-level oil cylinder is hinged on the bottom of described principal arm frame, piston rod portion in described one-level oil cylinder is hinged on the middle part of the oil cylinder part in described two-level oil cylinder, oil cylinder part in described two-level oil cylinder is hinged on the middle part of described principal arm frame, piston rod portion in described two-level oil cylinder is hinged on the middle part of described arm,
Described arm assembly also comprises main suspension hook, leads hook device, mainly hang steel rope, mainly hang conductor rope assembly pulley, secondaryly hang steel rope and secondaryly hang conductor rope assembly pulley, described master hang conductor rope assembly pulley, described time to hang conductor rope assembly pulley, described in lead hook device and be all arranged on described principal arm frame, the lifting end that described master hangs steel rope is walked around described master and is hung conductor rope assembly pulley and be connected with described main suspension hook with described hook device of leading, and the lifting end hanging steel rope for described time is walked around and hung conductor rope assembly pulley described time and be connected with described suspension hook with described arm.
In a kind of possible implementation of the present invention, described hook device of leading comprises bracing frame, positioning baffle, tooth bar, gear and motor, support frame as described above comprises and being interconnected and the first vertical baffle plate and second baffle, described second baffle offers conductor rope groove and the slide block guide groove perpendicular to described first baffle plate, described positioning baffle vertical sliding motion is arranged in described slide block guide groove, described conductor rope slot is between described first baffle plate and described positioning baffle, the lifting end that described master hangs steel rope is connected with described main suspension hook through described conductor rope groove, one end of described tooth bar is fixedly connected with described positioning baffle, the other end suspension of described tooth bar, described gear engages with described tooth bar, described motor is coaxially connected with described gear, and described motor is arranged on described second baffle.
Alternatively, the side of described main suspension hook is provided with the first locating piece, and described first baffle plate is provided with the positioning groove matched with described first locating piece.
Preferably, the opposite side of described main suspension hook is provided with the second locating piece, described positioning baffle be provided with match with described second locating piece dock block.
In the another kind of possible implementation of the present invention, in described principal arm frame, be provided with the cavity that can hold described arm.
The beneficial effect that the technical scheme that the embodiment of the present invention provides is brought is:
By arranging time suspension hook on secondary jib, and utilize one-level oil cylinder and two-level oil cylinder to drive time jib to put on display the function realizing folding-jib loop wheel machine, by arranging main suspension hook on principal arm frame, and utilize one-level oil cylinder and two-level oil cylinder to pull time jib to regain the function realizing principal arm formula loop wheel machine, a boats and ships loop wheel machine is integrated with the function of two kinds of loop wheel machines, expand the handling situations that boats and ships loop wheel machine is suitable for, applicability is wide.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme in the embodiment of the present invention, below the accompanying drawing used required in describing embodiment is briefly described, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the structural representation of the arm assembly of a kind of boats and ships loop wheel machine that the embodiment of the present invention one provides;
Fig. 2 a-Fig. 2 c is the schematic diagram of the secondary arm folding and unfolding process that the embodiment of the present invention one provides;
Fig. 3 is the structural representation of leading hook device that the embodiment of the present invention one provides;
Fig. 4 a-Fig. 4 b is the schematic diagram of leading hook device working process that the embodiment of the present invention one provides.
Detailed description of the invention
For making the object, technical solutions and advantages of the present invention clearly, below in conjunction with accompanying drawing, embodiment of the present invention is described further in detail.
Embodiment one
Embodiments provide a kind of arm assembly of boats and ships loop wheel machine, boats and ships loop wheel machine comprises loop wheel machine turntable and arm assembly, see Fig. 1, arm assembly comprises principal arm frame 1, secondary jib 2, one-level oil cylinder 3, two-level oil cylinder 4, secondary suspension hook 5, main suspension hook 6, leads hook device 7, mainly hang steel rope 8, mainly hang conductor rope assembly pulley 9, secondaryly hang steel rope 10 and secondaryly hang conductor rope assembly pulley 11.
In the present embodiment, loop wheel machine turntable (Fig. 1 is not shown) is connected with the bottom of principal arm frame 1.Secondary jib 2 is hinged on the top of principal arm frame 1.Oil cylinder part 31 in one-level oil cylinder 3 is hinged on the bottom of principal arm frame 1, and the piston rod portion 32 in one-level oil cylinder 3 is hinged on the middle part of the oil cylinder part 41 in two-level oil cylinder 4.Oil cylinder part 41 in two-level oil cylinder 4 is hinged on the middle part of principal arm frame 1, and the piston rod portion 42 in two-level oil cylinder 4 is hinged on the middle part of time arm 2.Main hang conductor rope assembly pulley 9, secondaryly hang conductor rope assembly pulley 11, lead hook device 7 and be all arranged on principal arm frame, the main lifting end hanging steel rope 8 walk around main hang conductor rope assembly pulley 9 and lead hook device 7 be connected with main suspension hook 6, the secondary lifting end hanging steel rope 10 is walked around and time is hung conductor rope assembly pulley 11 and be connected with secondary suspension hook 5 with secondary arm 2.
Particularly, mainly hang the fixed end of steel rope 8, the secondary fixed end hanging steel rope 10 is separately fixed on winch.
First composition graphs 2a-Fig. 2 c simply introduces the principle of work of the arm assembly that the embodiment of the present invention provides below:
See Fig. 2 a, now secondary arm 2 is packed up, and utilizes main folding and unfolding of hanging steel rope 8 can realize moving up and down of main suspension hook 6.If desired secondary arm launches, then first extended by the piston rod portion 32 in one-level oil cylinder 3, two-level oil cylinder 4 is rotated clockwise around the interface point of oil cylinder part 41, meanwhile, secondary arm 2 rotates counterclockwise around the hinge-point of its termination, as shown in Figure 2 b.Then extended by the piston rod portion 42 in two-level oil cylinder 4, make time arm 2 continue to rotate counterclockwise around the hinge-point of its termination, secondary arm 2 moves to farthest, as shown in Figure 2 c.Now secondary arm launches, and utilizes secondary folding and unfolding of hanging steel rope 10 can realize moving up and down of time suspension hook 5.
Otherwise first shortened by the piston rod portion 42 in two-level oil cylinder 4, it is perpendicular to the ground that secondary arm 2 is recovered to midway location i.e. time arm 2, and then shortened by the piston rod portion 32 in one-level oil cylinder 3, secondary arm 2 and two-level oil cylinder 4 are all recovered to initial position.
Alternatively, secondary jib 2 can pass through pinned connection with principal arm frame 1.
In a kind of implementation of the present embodiment, see Fig. 1, the cavity 1a that can hold time arm 2 can be provided with in principal arm frame 1, to save the space of boats and ships loop wheel machine, and reduce the weight of boats and ships loop wheel machine.
In the another kind of implementation of the present embodiment, in one-level oil cylinder 3 and two-level oil cylinder 4, can hydraulic lock be provided with, to lock after the folding and unfolding completing time arm, ensure that the position of time arm maintains static.
In another implementation of the present embodiment, see Fig. 3, lead hook device 7 and can comprise bracing frame 71, positioning baffle 72, tooth bar 73, gear 74 and motor 75.Bracing frame 71 comprises and being interconnected and the first vertical baffle plate 71a and second baffle 71b, second baffle 71b offers conductor rope groove 71c and the slide block guide groove 71d perpendicular to the first baffle plate 71a, positioning baffle 72 vertical sliding motion is arranged in slide block guide groove 71d, conductor rope groove 71c is between the first baffle plate 71a and positioning baffle 72, the main lifting end hanging steel rope 8 is connected with main suspension hook 6 through conductor rope groove 71c, one end of tooth bar 73 is fixedly connected with positioning baffle 72, the other end suspension of tooth bar 73, gear 74 engages with tooth bar 73, motor 75 is coaxially connected with gear 74, and motor 75 is arranged on second baffle 71b.
The principle of work leading hook device is simply introduced below in conjunction with Fig. 4 a-Fig. 4 b:
As shown in fig. 4 a, now master hangs steel rope 8 and is mentioned by main suspension hook 6, motor 75 driven wheel 74 is utilized to rotate, positioning baffle 72 is promoted at slide block guide groove 71d along sliding near the direction of the first baffle plate 71a by tooth bar 73, and then promote main suspension hook 6, finally making main suspension hook 6 be folded between the first baffle plate 71a and positioning baffle 72, as shown in Figure 4 b, swinging along with rocking of boats and ships to prevent main suspension hook 6 when not using main suspension hook 6.
Otherwise, utilize motor 75 reverse drive gear 74 to rotate, promote positioning baffle 72 by tooth bar 73 and slide along the direction away from the first baffle plate 71a at slide block guide groove 71d, main folding and unfolding of hanging steel rope 8 can be utilized to realize moving up and down of main suspension hook 6.
Alternatively, motor 75 can be provided with torque limited switch, to realize the accurate folding and unfolding of main suspension hook 6.
Alternatively, see Fig. 3, the side of main suspension hook 6 can be provided with the first locating piece 61, first baffle plate 71a and be provided with the positioning groove 71e matched with the first locating piece 61.
Preferably, see Fig. 4 a, main position of hanging correspondence on steel rope 8 can be provided with back-up ring 81, and with when main suspension hook 6 is lifted to certain position, offset with conductor rope groove 71c, what limit main suspension hook 6 mentions position, is convenient to the first locating piece 61 and inserts positioning groove 71e.
Preferably, see Fig. 3, the first baffle plate 71a can be provided with the positioning strip 71f being parallel to positioning groove 71e, after inserting positioning groove 71e at the first locating piece 61, strengthen the restriction effect to main suspension hook 6.
Alternatively, see Fig. 3, the opposite side of main suspension hook 6 can be provided with the second locating piece 62, positioning baffle 72 be provided with match with the second locating piece 62 dock block 72a.
Alternatively, slide block guide groove 71d can be provided with copper packing and exempt to lubricate guide rail, to avoid crossing friction between slide block guide groove 71d and positioning baffle 72.
The embodiment of the present invention by arranging time suspension hook on secondary jib, and utilize one-level oil cylinder and two-level oil cylinder to drive time jib to put on display the function realizing folding-jib loop wheel machine, by arranging main suspension hook on principal arm frame, and utilize one-level oil cylinder and two-level oil cylinder to pull time jib to regain the function realizing principal arm formula loop wheel machine, a boats and ships loop wheel machine is integrated with the function of two kinds of loop wheel machines, expand the handling situations that boats and ships loop wheel machine is suitable for, applicability is wide.
Embodiment two
Embodiments provide a kind of boats and ships loop wheel machine, boats and ships loop wheel machine comprises loop wheel machine turntable and the arm assembly as shown in embodiment one.
The embodiment of the present invention by arranging time suspension hook on secondary jib, and utilize one-level oil cylinder and two-level oil cylinder to drive time jib to put on display the function realizing folding-jib loop wheel machine, by arranging main suspension hook on principal arm frame, and utilize one-level oil cylinder and two-level oil cylinder to pull time jib to regain the function realizing principal arm formula loop wheel machine, a boats and ships loop wheel machine is integrated with the function of two kinds of loop wheel machines, expand the handling situations that boats and ships loop wheel machine is suitable for, applicability is wide.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. the arm assembly of a boats and ships loop wheel machine, described boats and ships loop wheel machine comprises loop wheel machine turntable and arm assembly, described arm assembly comprises principal arm frame (1), secondary jib (2), one-level oil cylinder (3), two-level oil cylinder (4), and secondary suspension hook (5), described loop wheel machine turntable is connected with the bottom of described principal arm frame (1), it is characterized in that, described jib (2) is hinged on the top of described principal arm frame (1), oil cylinder part (31) in described one-level oil cylinder (3) is hinged on the bottom of described principal arm frame (1), piston rod portion (32) in described one-level oil cylinder (1) is hinged on the middle part of the oil cylinder part (41) in described two-level oil cylinder (4), oil cylinder part (41) in described two-level oil cylinder (4) is hinged on the middle part of described principal arm frame (1), piston rod portion (42) in described two-level oil cylinder (4) is hinged on the middle part of described arm (2),
Described arm assembly also comprises main suspension hook (6), lead hook device (7), master hangs steel rope (8), master hangs conductor rope assembly pulley (9), secondaryly hang steel rope (10), and secondaryly hang conductor rope assembly pulley (11), described master hangs conductor rope assembly pulley (9), hang conductor rope assembly pulley (11) described time, described hook device (7) of leading all is arranged on described principal arm frame (1), the lifting end that described master hangs steel rope (8) is walked around described master and is hung conductor rope assembly pulley (9) and be connected with described main suspension hook (6) with described hook device (7) of leading, the described lifting end time hanging steel rope (10) is walked around and is hung conductor rope assembly pulley (11) described time and be connected with described suspension hook (5) with described arm (2).
2. arm assembly according to claim 1, it is characterized in that, described hook device (7) of leading comprises bracing frame (71), positioning baffle (72), tooth bar (73), gear (74) and motor (75), support frame as described above (71) comprises and being interconnected and vertical the first baffle plate (71a) and second baffle (71b), described second baffle (71b) offers conductor rope groove (71c) and the slide block guide groove (71d) perpendicular to described first baffle plate (71a), described positioning baffle (72) vertical sliding motion is arranged in described slide block guide groove (71d), described conductor rope groove (71c) is positioned between described first baffle plate (71a) and described positioning baffle (72), the lifting end that described master hangs steel rope (8) is connected with described main suspension hook (6) through described conductor rope groove (71c), one end of described tooth bar (73) is fixedly connected with described positioning baffle (72), the other end suspension of described tooth bar (73), described gear (74) engages with described tooth bar (73), described motor (75) is coaxially connected with described gear (74), and described motor (75) is arranged on described second baffle (71b).
3. arm assembly according to claim 2, it is characterized in that, the side of described main suspension hook (6) is provided with the first locating piece (61), and described first baffle plate (71a) is provided with the positioning groove (71e) matched with described first locating piece (72).
4. arm assembly according to claim 3, it is characterized in that, the opposite side of described main suspension hook (6) is provided with the second locating piece (62), described positioning baffle (72) be provided with match with described second locating piece (62) dock block (72a).
5. the arm assembly according to any one of claim 1-4, is characterized in that, is provided with the cavity (1a) that can hold described arm (2) in described principal arm frame (1).
6. a boats and ships loop wheel machine, described boats and ships loop wheel machine comprises loop wheel machine turntable and arm assembly, described arm assembly comprises principal arm frame (1), secondary jib (2), one-level oil cylinder (3), two-level oil cylinder (4), and secondary suspension hook (5), described loop wheel machine turntable is connected with the bottom of described principal arm frame (1), it is characterized in that, described jib (2) is hinged on the top of described principal arm frame (1), oil cylinder part (31) in described one-level oil cylinder (3) is hinged on the bottom of described principal arm frame (1), piston rod portion (32) in described one-level oil cylinder (1) is hinged on the middle part of the oil cylinder part (41) in described two-level oil cylinder (4), oil cylinder part (41) in described two-level oil cylinder (4) is hinged on the middle part of described principal arm frame (1), piston rod portion (42) in described two-level oil cylinder (4) is hinged on the middle part of described arm (2),
Described arm assembly also comprises main suspension hook (6), lead hook device (7), master hangs steel rope (8), master hangs conductor rope assembly pulley (9), secondaryly hang steel rope (10), and secondaryly hang conductor rope assembly pulley (11), described master hangs conductor rope assembly pulley (9), hang conductor rope assembly pulley (11) described time, described hook device (7) of leading all is arranged on described principal arm frame (1), the lifting end that described master hangs steel rope (8) is walked around described master and is hung conductor rope assembly pulley (9) and be connected with described main suspension hook (6) with described hook device (7) of leading, the described lifting end time hanging steel rope (10) is walked around and is hung conductor rope assembly pulley (11) described time and be connected with described suspension hook (5) with described arm (2).
7. boats and ships loop wheel machine according to claim 6, it is characterized in that, described hook device (7) of leading comprises bracing frame (71), positioning baffle (72), tooth bar (73), gear (74) and motor (75), support frame as described above (71) comprises and being interconnected and vertical the first baffle plate (71a) and second baffle (71b), described second baffle (71b) offers conductor rope groove (71c) and the slide block guide groove (71d) perpendicular to described first baffle plate (71a), described positioning baffle (72) vertical sliding motion is arranged in described slide block guide groove (71d), described conductor rope groove (71c) is positioned between described first baffle plate (71a) and described positioning baffle (72), the lifting end that described master hangs steel rope (8) is connected with described main suspension hook (6) through described conductor rope groove (71c), one end of described tooth bar (73) is fixedly connected with described positioning baffle (72), the other end suspension of described tooth bar (73), described gear (74) engages with described tooth bar (73), described motor (75) is coaxially connected with described gear (74), and described motor (75) is arranged on described second baffle (71b).
8. boats and ships loop wheel machine according to claim 7, it is characterized in that, the side of described main suspension hook (6) is provided with the first locating piece (61), and described first baffle plate (71a) is provided with the positioning groove (71e) matched with described first locating piece (72).
9. boats and ships loop wheel machine according to claim 8, it is characterized in that, the opposite side of described main suspension hook (6) is provided with the second locating piece (62), described positioning baffle (72) be provided with match with described second locating piece (62) dock block (72a).
10. the boats and ships loop wheel machine according to any one of claim 6-9, is characterized in that, is provided with the cavity (1a) that can hold described arm (2) in described principal arm frame (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510733111.8A CN105366560B (en) | 2015-11-02 | 2015-11-02 | The arm component and ship loop wheel machine of a kind of ship loop wheel machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510733111.8A CN105366560B (en) | 2015-11-02 | 2015-11-02 | The arm component and ship loop wheel machine of a kind of ship loop wheel machine |
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| Publication Number | Publication Date |
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| CN105366560A true CN105366560A (en) | 2016-03-02 |
| CN105366560B CN105366560B (en) | 2017-08-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510733111.8A Active CN105366560B (en) | 2015-11-02 | 2015-11-02 | The arm component and ship loop wheel machine of a kind of ship loop wheel machine |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115268505A (en) * | 2022-09-30 | 2022-11-01 | 临工重机股份有限公司 | Anti-collision method for working platform of aerial work platform and aerial work platform |
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| CN1085521A (en) * | 1991-10-02 | 1994-04-20 | 波坦有限公司 | Hoisting crane auto-folder arm |
| CN101343021A (en) * | 2008-08-20 | 2009-01-14 | 大连华锐股份有限公司 | Large-scale full-turning offshore platform crane |
| CN103010973A (en) * | 2012-12-17 | 2013-04-03 | 中联重科股份有限公司 | Crane and method for unfolding and recovering auxiliary arm of crane |
| CN204079306U (en) * | 2014-06-30 | 2015-01-07 | 武汉船用机械有限责任公司 | A kind of arm-folding crane |
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2015
- 2015-11-02 CN CN201510733111.8A patent/CN105366560B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1085521A (en) * | 1991-10-02 | 1994-04-20 | 波坦有限公司 | Hoisting crane auto-folder arm |
| CN101343021A (en) * | 2008-08-20 | 2009-01-14 | 大连华锐股份有限公司 | Large-scale full-turning offshore platform crane |
| CN103010973A (en) * | 2012-12-17 | 2013-04-03 | 中联重科股份有限公司 | Crane and method for unfolding and recovering auxiliary arm of crane |
| CN204079306U (en) * | 2014-06-30 | 2015-01-07 | 武汉船用机械有限责任公司 | A kind of arm-folding crane |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN115268505A (en) * | 2022-09-30 | 2022-11-01 | 临工重机股份有限公司 | Anti-collision method for working platform of aerial work platform and aerial work platform |
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