CN104724611A - Planar three-degree-of-freedom eight-rod single closed-loop front-handling crane for chain-type container - Google Patents
Planar three-degree-of-freedom eight-rod single closed-loop front-handling crane for chain-type container Download PDFInfo
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- CN104724611A CN104724611A CN201510124123.0A CN201510124123A CN104724611A CN 104724611 A CN104724611 A CN 104724611A CN 201510124123 A CN201510124123 A CN 201510124123A CN 104724611 A CN104724611 A CN 104724611A
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- Prior art keywords
- rocking bar
- hinged
- pitching
- arm
- swivel arm
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
- B66C23/04—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes with jibs the effective length of which is variable in operation, e.g. longitudinally displaceable, extensible
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
- B66C23/06—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes with jibs mounted for jibbing or luffing movements
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
- B66C23/62—Constructional features or details
- B66C23/64—Jibs
- B66C23/70—Jibs constructed of sections adapted to be assembled to form jibs or various lengths
- B66C23/701—Jibs constructed of sections adapted to be assembled to form jibs or various lengths telescopic
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
- B66C23/62—Constructional features or details
- B66C23/82—Luffing gear
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Jib Cranes (AREA)
Abstract
The invention discloses a planar three-degree-of-freedom eight-rod single closed-loop front-handling crane for a chain-type container. The planar three-degree-of-freedom eight-rod single closed-loop front-handling crane comprises a frame, a boom, a boom luffing mechanism and a boom telescoping mechanism, wherein the boom comprises a rotary arm and a telescopic arm, the lower end of the rotary arm is hinged with the upper end of a front luffing rocker, and the lower end of the telescopic arm is slidably connected with the rotary arm; the boom luffing mechanism comprises the front luffing rocker, a rear luffing rocker and a luffing link, the front end of the luffing link is hinged with the upper-end arm body of the rotary arm, the lower end of the front luffing rocker is hinged with the middle part of the frame, and the upper end of the front luffing rocker is hinged with the lower end of the rotary arm; the boom telescoping mechanism comprises a telescoping rocker and a telescoping link, the lower end of the telescoping rocker is hinged with the front part of the frame, the upper end of the telescoping rocker is hinged with the lower end of the telescoping link, the upper end of the telescoping link is hinged with the telescopic arm, and the lower end of the telescoping link is hinged with the upper end of the telescoping rocker. The crane has flexibly varied output tracks while maintenance and service costs are controlled.
Description
Technical field
The present invention relates to technical field of crane equipment, particularly relate to a kind of planar three freedom eight bar list closed-loop subchain formula face-up transporting hoist of container hoisting crane.
Background technology
Face-up transporting hoist of container hoisting crane (container front crane) is a kind of important harbour machinery, has easy to operate, stacking tier advantages of higher, in the operations such as all kinds of harbour container carrying, piling and transport, played important operation.Face-up transporting hoist of container hoisting crane disclosed in CN103332220A, CN101723256A, CN202322093U, CN2773035, CN201890746U is all to be finished the work task by the driving of combining of telescopic oil cylinder, pitching oil cylinder.
Above-mentioned container front crane is pure hydraulic driven.It is high that fluid pressure type also exists the requirement of parts machining assembly precision, and safeguard, maintain Chen Bengao, the life-span is not long, the conventional technical drawback such as leakage of oil.Further, the hoisting crane of this quasi-tradition fisher's formula cascaded structure is because of the restriction of himself structure, and there is the problems such as component heaviness, poor rigidity, inertia are large, joint error accumulation, dynamic performance is poor.
Summary of the invention
Main purpose of the present invention is to provide a kind of planar three freedom eight bar list closed-loop subchain formula face-up transporting hoist of container hoisting crane, while being intended to control care and maintenance cost, makes its output trajectory flexible and changeable.
For achieving the above object, the invention provides a kind of planar three freedom eight bar list closed-loop subchain formula face-up transporting hoist of container hoisting crane, comprise vehicle frame and be installed on arm, arm luffing mechanism and the lazy arm telescopic mechanism on described vehicle frame, wherein, described arm comprises swivel arm and the telescopic boom of scalable motion, before the lower end of described swivel arm and pitching, rocking bar upper end is hinged, the lower end of described telescopic boom and described swivel arm sliding block joint, and upper end is provided with fixing device;
Described arm luffing mechanism comprises rocking bar and pitch link after rocking bar before the pitching being positioned at described swivel arm rear, pitching, after described pitching, the lower end of rocking bar is hinged in the rear end of described vehicle frame, upper end is hinged in the rear end of described pitch link, the front end of described pitch link and the upper end arms body of described swivel arm are hinged, before described pitching the lower end of rocking bar and the middle part of described vehicle frame hinged, the lower end of upper end and described swivel arm is hinged;
Described lazy arm telescopic mechanism comprises the flexible rocking bar and shrinking connecting-rod that are positioned at described swivel arm front, the lower end of described flexible rocking bar and the front portion of described vehicle frame are hinged, the lower end of upper end and described shrinking connecting-rod is hinged, upper end and the described telescopic boom of described shrinking connecting-rod are hinged, the upper end of lower end and described flexible rocking bar is hinged, and before described flexible rocking bar, pitching, after rocking bar and pitching, rocking bar is equipped with driver train.
Preferably, before described flexible rocking bar, pitching, after rocking bar and pitching, the driver train of rocking bar is servomotor.
Preferably, before described pitching, after rocking bar, pitching, rocking bar and pitch link are provided with two, before pitching described in, after rocking bar, pitching, rocking bar and pitch link form an elevation mount, elevation mount described in two lays respectively at the both sides of described swivel arm, and the pitch link of elevation mount described in two is all hinged with described swivel arm.
Preferably, after the pitch link of elevation mount described in two and pitching, the hinge-point of rocking bar is interconnected.
Preferably, described flexible rocking bar and shrinking connecting-rod are provided with two, described in one, flexible rocking bar and shrinking connecting-rod form a retractor device, and retractor device described in two lays respectively at the both sides of described swivel arm, and the shrinking connecting-rod of retractor device described in two is all hinged with described telescopic boom.
Preferably, described telescopic boom is installed on described swivel arm by sliding pair.
The planar three freedom eight bar list closed-loop subchain formula face-up transporting hoist of container hoisting crane that the present invention proposes, there is three degree of freedom, driving is combined by three driver trains, make its output trajectory flexible and changeable, task strong adaptability, efficiency is high, has larger Power output and the reliability of Geng Gao.In addition, this hoisting crane realizes handling, lifting task by connecting rod mechanism, effectively can overcome conventional hydraulic formula face-up transporting hoist of container hoisting crane process and assemble and require high, life-span is not long, the technological deficiencies such as leakage of oil, and complete machine structure is simply cheap, maintaining cost is low.Simultaneously, this hoisting crane integral structure is that outer revolute pair drives, the form of rod hinge connection transmission, all driver trains are installed on vehicle frame, effectively reduce the weight of each component, have that movement inertia is little, track exports flexibly, is active in one's movements and precision advantages of higher.
Accompanying drawing explanation
Fig. 1 is the structural representation of planar three freedom eight bar list closed-loop subchain formula face-up transporting hoist of container hoisting crane preferred embodiment of the present invention.
The structural representation of Fig. 2 for the hoisting crane shown in Fig. 1 is in during initial or reset mode of operation;
Fig. 3 is the structural representation of the hoisting crane shown in Fig. 1 when stretching out crawl mode of operation;
Fig. 4 is the structural representation of the hoisting crane shown in Fig. 1 when handling fuselage dead ahead freight container.
Figure number identifies: rocking bar after 1-pitching; 2-pitch link; Rocking bar before 3-pitching; 4-swivel arm; 5-telescopic boom; 6-shrinking connecting-rod; 7-stretches rocking bar; 8-fixing device; 9-vehicle frame.
The realization of the object of the invention, functional characteristics and advantage will in conjunction with the embodiments, are described further with reference to accompanying drawing.
Detailed description of the invention
Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
It should be noted that, in describing the invention, term " transverse direction ", " longitudinal direction ", " on ", D score, "front", "rear", "left", "right", " vertically ", " level ", " top ", " end ", " interior ", the orientation of the instruction such as " outward " or position relationship be based on orientation shown in the drawings or position relationship, only the present invention for convenience of description and simplified characterization, be not indicate or imply that the device of indication or element must have specific orientation, with specific azimuth configuration and operation, therefore can not be interpreted as limitation of the present invention.
With reference to the structural representation that Fig. 1, Fig. 1 are planar three freedom eight bar list closed-loop subchain formula face-up transporting hoist of container hoisting crane preferred embodiment of the present invention.
In this preferred embodiment, planar three freedom eight bar list closed-loop subchain formula face-up transporting hoist of container hoisting crane, comprise vehicle frame 9 and be installed on arm, arm luffing mechanism and the lazy arm telescopic mechanism on vehicle frame 9, wherein, arm comprises swivel arm 4 and the telescopic boom 5 of scalable motion, before the lower end of swivel arm 4 and pitching, rocking bar 3 upper end is hinged, the lower end of telescopic boom 5 and swivel arm 4 sliding block joint, and upper end is provided with fixing device 8;
Arm luffing mechanism comprises rocking bar 1 and pitch link 2 after rocking bar 3 before the pitching being positioned at swivel arm 4 rear, pitching, after pitching, the lower end of rocking bar 1 is hinged in the rear end of vehicle frame 9, upper end is hinged in the rear end of pitch link 2, the front end of pitch link 2 and the upper end arms body of swivel arm 4 are hinged, before pitching, the lower end of rocking bar 3 and the middle part of vehicle frame 9 is hinged, and the lower end of upper end and swivel arm 4 is hinged;
Lazy arm telescopic mechanism comprises the flexible rocking bar 7 and shrinking connecting-rod 6 that are positioned at swivel arm 4 front, the flexible lower end of rocking bar 7 and the front portion of vehicle frame 9 are hinged, the lower end of upper end and shrinking connecting-rod 6 is hinged, upper end and the telescopic boom 5 of shrinking connecting-rod 6 are hinged, the upper end of lower end and flexible rocking bar 7 is hinged, and before flexible rocking bar 7, pitching, after rocking bar 3 and pitching, rocking bar 1 is equipped with driver train.
Before pitching, after rocking bar 3, pitching, rocking bar 1, swivel arm 4 and telescopic boom 5 all adopt thick square-section steel pipe.Telescopic boom 5 is installed on swivel arm 4 by sliding pair.Before flexible rocking bar 7, pitching, after rocking bar 3 and pitching, the driver train of rocking bar 1 is servomotor, to realize automatic control.
Further, before pitching, after rocking bar 3, pitching, rocking bar 1 and pitch link 2 are provided with two, before one pitching, after rocking bar 3, pitching, rocking bar 1 and pitch link 2 form an elevation mount, two elevation mounts lay respectively at the both sides of swivel arm 4, the pitch link 2 of two elevation mounts is all hinged with swivel arm 4, after the pitch link 2 of two elevation mounts and pitching, the hinge-point of rocking bar 1 is interconnected, to realize the rotation of stable support telescopic boom 5.
Further, flexible rocking bar 7 and shrinking connecting-rod 6 are provided with two, and a flexible rocking bar 7 and shrinking connecting-rod 6 form a retractor device, and two retractor devices lay respectively at the both sides of swivel arm 4, the shrinking connecting-rod 6 of two retractor devices is all hinged with telescopic boom 5, to realize the rotation of stable support swivel arm 4.
The working process of this hoisting crane is as follows: when hoisting crane is in the initial condition of dead work, and the front rocking bar of pitching 3, rear rocking bar and flexible rocking bar 7 turn to suitable position, and swivel arm 4 and telescopic boom 5 level are protracted, and telescopic boom 5 bounces back in swivel arm 4.As shown in Figure 3, arm luffing mechanism is motionless, and swivel arm 4 keeps original position, and flexible rocking bar 7 rotates, and is stretched out forward by telescopic boom 5, clamp dead ahead freight container by shrinking connecting-rod 6.As shown in Figure 4, arm luffing mechanism and the same joint rotation of lazy arm telescopic mechanism, realize the carrying to dead ahead freight container and lifting operation.
The planar three freedom eight bar list closed-loop subchain formula face-up transporting hoist of container hoisting crane that the present invention proposes, there is three degree of freedom, driving is combined by three driver trains (three miniwatt servomotors), make its output trajectory flexible and changeable, task strong adaptability, efficiency is high, has larger Power output and the reliability of Geng Gao.In addition, this hoisting crane realizes handling, lifting task by connecting rod mechanism, effectively can overcome conventional hydraulic formula face-up transporting hoist of container hoisting crane process and assemble and require high, life-span is not long, the technological deficiencies such as leakage of oil, and complete machine structure is simply cheap, maintaining cost is low.Simultaneously, this hoisting crane integral structure is that outer revolute pair drives, the form of rod hinge connection transmission, all driver trains are installed on vehicle frame 9, thus effectively reduce the weight of each component, make it have that movement inertia is little, track exports flexibly, is active in one's movements and precision advantages of higher.
These are only the preferred embodiments of the present invention; not thereby the scope of the claims of the present invention is limited; every equivalent structure transformation utilizing specification sheets of the present invention and accompanying drawing content to do, or be directly or indirectly used in other relevant technical fields, be all in like manner included in scope of patent protection of the present invention.
Claims (6)
1. a planar three freedom eight bar list closed-loop subchain formula face-up transporting hoist of container hoisting crane, it is characterized in that, comprise vehicle frame and be installed on arm, arm luffing mechanism and the lazy arm telescopic mechanism on described vehicle frame, wherein, described arm comprises swivel arm and the telescopic boom of scalable motion, before the lower end of described swivel arm and pitching, rocking bar upper end is hinged, the lower end of described telescopic boom and described swivel arm sliding block joint, and upper end is provided with fixing device;
Described arm luffing mechanism comprises rocking bar and pitch link after rocking bar before the pitching being positioned at described swivel arm rear, pitching, after described pitching, the lower end of rocking bar is hinged in the rear end of described vehicle frame, upper end is hinged in the rear end of described pitch link, the front end of described pitch link and the upper end arms body of described swivel arm are hinged, before described pitching the lower end of rocking bar and the middle part of described vehicle frame hinged, the lower end of upper end and described swivel arm is hinged;
Described lazy arm telescopic mechanism comprises the flexible rocking bar and shrinking connecting-rod that are positioned at described swivel arm front, the lower end of described flexible rocking bar and the front portion of described vehicle frame are hinged, the lower end of upper end and described shrinking connecting-rod is hinged, upper end and the described telescopic boom of described shrinking connecting-rod are hinged, the upper end of lower end and described flexible rocking bar is hinged, and before described flexible rocking bar, pitching, after rocking bar and pitching, rocking bar is equipped with driver train.
2. planar three freedom eight bar list closed-loop subchain formula face-up transporting hoist of container hoisting crane according to claim 1, is characterized in that, before described flexible rocking bar, pitching, after rocking bar and pitching, the driver train of rocking bar is servomotor.
3. planar three freedom eight bar list closed-loop subchain formula face-up transporting hoist of container hoisting crane according to claim 1, it is characterized in that, before described pitching, after rocking bar, pitching, rocking bar and pitch link are provided with two, before pitching described in, after rocking bar, pitching, rocking bar and pitch link form an elevation mount, elevation mount described in two lays respectively at the both sides of described swivel arm, and the pitch link of elevation mount described in two is all hinged with described swivel arm.
4. planar three freedom eight bar list closed-loop subchain formula face-up transporting hoist of container hoisting crane according to claim 3, is characterized in that, after the pitch link of elevation mount described in two and pitching, the hinge-point of rocking bar is interconnected.
5. planar three freedom eight bar list closed-loop subchain formula face-up transporting hoist of container hoisting crane according to claim 1, it is characterized in that, described flexible rocking bar and shrinking connecting-rod are provided with two, described in one, flexible rocking bar and shrinking connecting-rod form a retractor device, retractor device described in two lays respectively at the both sides of described swivel arm, and the shrinking connecting-rod of retractor device described in two is all hinged with described telescopic boom.
6. planar three freedom eight bar list closed-loop subchain formula face-up transporting hoist of container hoisting crane as claimed in any of claims 1 to 5, it is characterized in that, described telescopic boom is installed on described swivel arm by sliding pair.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510124123.0A CN104724611A (en) | 2015-03-20 | 2015-03-20 | Planar three-degree-of-freedom eight-rod single closed-loop front-handling crane for chain-type container |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510124123.0A CN104724611A (en) | 2015-03-20 | 2015-03-20 | Planar three-degree-of-freedom eight-rod single closed-loop front-handling crane for chain-type container |
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| CN104724611A true CN104724611A (en) | 2015-06-24 |
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| CN201510124123.0A Pending CN104724611A (en) | 2015-03-20 | 2015-03-20 | Planar three-degree-of-freedom eight-rod single closed-loop front-handling crane for chain-type container |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103569875A (en) * | 2013-11-15 | 2014-02-12 | 钦州学院 | Plane two-degree-of-freedom seven-rod closed chain type reach stacker for containers |
| CN103787216A (en) * | 2014-02-27 | 2014-05-14 | 钦州学院 | Two-degree-of-freedom driving controllable hoisting crane |
| CN103787207A (en) * | 2014-02-27 | 2014-05-14 | 钦州学院 | Closed chain type hybrid-driving front-surface lifting crane |
| CN203667843U (en) * | 2013-11-15 | 2014-06-25 | 钦州学院 | Planar two-DOF (degree of freedom) nine-bar servo-driven container reach stacker |
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2015
- 2015-03-20 CN CN201510124123.0A patent/CN104724611A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103569875A (en) * | 2013-11-15 | 2014-02-12 | 钦州学院 | Plane two-degree-of-freedom seven-rod closed chain type reach stacker for containers |
| CN203667843U (en) * | 2013-11-15 | 2014-06-25 | 钦州学院 | Planar two-DOF (degree of freedom) nine-bar servo-driven container reach stacker |
| CN103787216A (en) * | 2014-02-27 | 2014-05-14 | 钦州学院 | Two-degree-of-freedom driving controllable hoisting crane |
| CN103787207A (en) * | 2014-02-27 | 2014-05-14 | 钦州学院 | Closed chain type hybrid-driving front-surface lifting crane |
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