CN103640997A - Crane lifting arm nose structure - Google Patents
Crane lifting arm nose structure Download PDFInfo
- Publication number
- CN103640997A CN103640997A CN201310607841.4A CN201310607841A CN103640997A CN 103640997 A CN103640997 A CN 103640997A CN 201310607841 A CN201310607841 A CN 201310607841A CN 103640997 A CN103640997 A CN 103640997A
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- lifting arm
- arm
- welded
- seamless pipe
- crane
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Abstract
A crane lifting arm nose structure comprises a lifting arm, a seamless pipe is arranged on the middle of the head of the lifting arm, a steel channel is arranged on the outer circumference surface of the seamless pipe, one end of the steel channel is welded on the head of the lifting arm, the other end of the steel channel is arranged on the outer circumference surface of the seamless pipe; a sealing plate is arranged on the terminal part of the seamless pipe, a flat steel is welded in the sealing plate, an eye plate is welded on the exterior of the sealing plate, and an installation hole is arranged in the eye plate. A seamless pipe is arranged on the middle of the head of the lifting arm so as to effectively avoid the problems that the lifting arm of a steel wire rope luffing marine crane is unstable when the lifting arm is horizontally arranged under a non-work state, generates big shakes under severe climates such as strong winds, big waves, and the like, and endangers the ship and staffs. The lifting arm nose can be totally embedded into a storage rack, moreover, the eye plate can fixedly connected to the storage rack, thus the stability and safety of the whole lifting arm are greatly improved, and the shakes under severe climates such as strong winds, big waves, and the like, are maximally reduced.
Description
Technical field
The present invention relates to weight-lifting equipment technical field, especially arm nose structure for crane.
Background technology
Deck crane, is a kind of large deck machinery on ship, and it is a kind of equipment of ship loading and unloading goods.
Deck crane of the prior art, rope luffing crane for ship, its arm, when off working state, needs level to shelve, to guarantee that arm can significantly not rock when the wind and waves; Conventionally it is upper end position in dichotomous arm that the arm adopting is shelved, can not completely stable fixedly arm when shelving fixedly arm, particularly running under the inclement weather conditions such as wind and waves, arm rocks obvious,, there is potential safety hazard in the safety that has a strong impact on boats and ships and personnel.
Summary of the invention
The applicant, for the shortcoming in above-mentioned existing production technology, provides arm nose structure for a kind of crane rational in infrastructure, thereby improves the stability that arm is shelved under off working state, and safety is good.
The technical solution adopted in the present invention is as follows:
Arm nose structure for a kind of crane, comprise arm, described arm head midway location is provided with seamless tube, on the outer circumference surface of described seamless tube, is welded with channel-section steel, one end of described channel-section steel is welded on arm head position, and the other end of described channel-section steel is welded on the outer circumference surface of seamless tube; The end that is positioned at seamless tube is provided with shrouding, and the internal welding of described shrouding is connected to band steel, and the outside weldings eye plate of described shrouding, has mounting hole on described eye plate.
Further improvement as technique scheme:
Described seamless tube is welded in arm head midway location;
The diameter of described shrouding is identical with the diameter of seamless tube.
Beneficial effect of the present invention is as follows:
Compact conformation of the present invention, reasonable, easy for installation, by the effect of seamless tube is installed at arm head midway location, effectively avoided the arm of rope luffing crane for ship when off working state, level is shelved fixing unstable, under the inclement weathers such as wind and waves, produce and rock more greatly, affect a difficult problem for boats and ships and personal security.Arm nose can be put into shelf completely, and eye plate can be connected and fixed with shelf, and the stability of whole arm, safety are strengthened greatly, has farthest reduced arm and has rocked under the inclement weather environment such as wind and waves.
Accompanying drawing explanation
Fig. 1 is front view of the present invention.
Fig. 2 is the birds-eye view of Fig. 1.
Wherein: 1, arm; 2, seamless tube; 3, channel-section steel; 4, band steel; 5, shrouding; 6, eye plate; 7, mounting hole.
The specific embodiment
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is described.
As depicted in figs. 1 and 2, arm nose structure for the crane of the present embodiment, comprise arm 1, arm 1 head midway location is provided with seamless tube 2, on the outer circumference surface of seamless tube 2, be welded with channel-section steel 3, one end of channel-section steel 3 is welded on arm 1 head position, and the other end of channel-section steel 3 is welded on the outer circumference surface of seamless tube 2; The end that is positioned at seamless tube 2 is provided with shrouding 5, and the internal welding of shrouding 5 is connected to band steel 4, and the outside weldings eye plate 6 of shrouding 5, has mounting hole 7 on eye plate 6.
The diameter of shrouding 5 is identical with the diameter of seamless tube 2.
The design of channel-section steel 3 of the present invention, for strengthening fixedly seamless tube 2.
The design of shrouding 5 of the present invention, for dustproof and fixedly eye plate 6 effects.
The design of band steel 4 of the present invention, stressed for strengthening eye plate 6.
More than describing is explanation of the invention, is not the restriction to invention, and limited range of the present invention, referring to claim, within protection scope of the present invention, can be done any type of modification.
Claims (3)
1. arm nose structure for a crane, comprise arm (1), it is characterized in that: described arm (1) head midway location is provided with seamless tube (2), on the outer circumference surface of described seamless tube (2), be welded with channel-section steel (3), one end of described channel-section steel (3) is welded on arm (1) head position, and the other end of described channel-section steel (3) is welded on the outer circumference surface of seamless tube (2); The end that is positioned at seamless tube (2) is provided with shrouding (5), and the internal welding of described shrouding (5) is connected to band steel (4), and the outside weldings eye plate (6) of described shrouding (5), has mounting hole (7) on described eye plate (6).
2. arm nose structure for crane as claimed in claim 1, is characterized in that: described seamless tube (2) is welded in arm (1) head midway location.
3. arm nose structure for crane as claimed in claim 1, is characterized in that: the diameter of described shrouding (5) is identical with the diameter of seamless tube (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310607841.4A CN103640997A (en) | 2013-11-25 | 2013-11-25 | Crane lifting arm nose structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310607841.4A CN103640997A (en) | 2013-11-25 | 2013-11-25 | Crane lifting arm nose structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103640997A true CN103640997A (en) | 2014-03-19 |
Family
ID=50246335
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310607841.4A Pending CN103640997A (en) | 2013-11-25 | 2013-11-25 | Crane lifting arm nose structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103640997A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6195785U (en) * | 1984-11-30 | 1986-06-20 | ||
| JPH0820492A (en) * | 1994-07-06 | 1996-01-23 | Hitachi Constr Mach Co Ltd | Crane boom |
| KR100238847B1 (en) * | 1997-10-23 | 2000-01-15 | 추호석 | Safety system of a boom for a pump truck |
| JP2011073816A (en) * | 2009-09-30 | 2011-04-14 | Tadano Ltd | Boom support structure in boom storage of boom type working vehicle |
| JP2011251608A (en) * | 2010-06-01 | 2011-12-15 | Mitsui Eng & Shipbuild Co Ltd | Ship and method for loading and unloading cargo of ship |
| CN203558772U (en) * | 2013-11-25 | 2014-04-23 | 无锡起岸重工机械有限公司 | Lazy arm nose structure of crane |
-
2013
- 2013-11-25 CN CN201310607841.4A patent/CN103640997A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6195785U (en) * | 1984-11-30 | 1986-06-20 | ||
| JPH0820492A (en) * | 1994-07-06 | 1996-01-23 | Hitachi Constr Mach Co Ltd | Crane boom |
| KR100238847B1 (en) * | 1997-10-23 | 2000-01-15 | 추호석 | Safety system of a boom for a pump truck |
| JP2011073816A (en) * | 2009-09-30 | 2011-04-14 | Tadano Ltd | Boom support structure in boom storage of boom type working vehicle |
| JP2011251608A (en) * | 2010-06-01 | 2011-12-15 | Mitsui Eng & Shipbuild Co Ltd | Ship and method for loading and unloading cargo of ship |
| CN203558772U (en) * | 2013-11-25 | 2014-04-23 | 无锡起岸重工机械有限公司 | Lazy arm nose structure of crane |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20140319 |