CN101691190B - Bulk cargo crane - Google Patents
Bulk cargo crane Download PDFInfo
- Publication number
- CN101691190B CN101691190B CN2009100756520A CN200910075652A CN101691190B CN 101691190 B CN101691190 B CN 101691190B CN 2009100756520 A CN2009100756520 A CN 2009100756520A CN 200910075652 A CN200910075652 A CN 200910075652A CN 101691190 B CN101691190 B CN 101691190B
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- arm frame
- principal arm
- hinge
- bulk cargo
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Abstract
The invention discloses a bulk cargo crane, which is characterized in that a supporting seat on a lower swing mechanism (8) is hinged with a hinge point O of a main arm frame AB (21) of a parallel four-bar linkage arm frame (2); the parallel four-bar linkage arm frame (2) is driven by a rope winding subsystem (4); a motor drives a wire rope reel (41) to simultaneously retract and release two wire ropes to respectively reach a head part (44) of a pull rod and a tail part (45) of the pull rod through a bend pulley (42) and a bend pulley (43), and the balance weight and the angle of a movable arm are changed for grabbing cargoes; a tower frame (1) is installed on the lower swing mechanism (8); and a rope winding system (5) is used for changing amplitude pulls the head part of the main arm frame (21) to realize the pitching movement through the retraction and releasing of the wire ropes. The invention adopts a simple, easy and efficient wirerope reel mode to realize the purpose of rigidly grabbing the cargoes, thereby greatly improving the loading and unloading efficiency; because the parallel four-bar linkage arm frame is adopted, the installed power of the whole crane is low, and the energy saving effect is obvious; and in addition, the rope winding system of the invention simply and effectively controls the crane to operate through a novel winding mode, has few maintenance points and can be maintained quickly and conveniently.
Description
Technical field
The present invention relates to the weight-lifting equipment of bulk cargo terminals, bulk storage yard and steel mill; More particularly, relate to the hoisting crane that rigidity grasps goods, be specially adapted to handle the difficult bulk goods that grasps such as steel scrap, ore; Simultaneously can take into account various bulk goods materials, like coal, salt, timber or the like.
Background technology
Though freight container traffic has worldwide obtained popularizing very greatly in recent years as a kind of modern modes of transportation for goods.But the bulk goods transportation is still in occupation of crucial status, and these article that involve the interests of the state and the people such as coal, ore, chemical fertilizer, steel are main with bulk goods mainly still.The other inland harbour is because the restriction of conditions such as the depth of water can only be adopted the bulk goods transportation.
The financial crisis that have swept the globe in 2008 is a destructive strike to freight container traffic industry and port machine manufacture.The international rapid atrophy of freight container traffic amount, and then have influence on port machine manufacture.Because the minimizing of case amount, the newly-built harbour project in various countries does not almost have, and the equipment purchase plan of old harbour is postponed or clear-cut cancellation indefinite duration.But with gloomy the comparing of freight container traffic industry, it is flourishing that the bulk goods transportation is but carried on as usual, and the demand of various bulk goods types and order volume are all very big.
The most important thing is each big section steel works; The steel that every production is one ton all will add the steel scrap of some, and the processing of steel scrap is a difficult problem always, if adopt traditional excavating machine to handle; It is short that excavating machine exists service life, the not high shortcoming of rising height; If adopt traditional door machine to handle,, exist the hypodynamic problem that grasps because of the door machine adopts the steel rope grab bucket; If adopt the all-hydraulic hoisting crane of external E-crane to exist high cost and expensive later maintenance cost issues.
Summary of the invention
To the machinery of present processing steel scrap and other bulk goods exist service life short, grasp force is not enough, manufacturing cost is high and defective such as maintenance cost costliness; The present invention provides a kind of bulk cargo crane; The all-electric drive system of the parallel four-bar linkage jib of this invention, new-type wiring system and environmental protection; Can the actv. energy savings, can provide enough grasp force and cost very cheap relatively, be fit to grasp steel scrap and other common bulk goods material that is difficult to grasp.
For realizing above-mentioned purpose; A kind of bulk cargo crane provided by the invention; Comprise bottom swing type mechanism, cart walking mechanism and grab bucket each several part; The parallel four-bar linkage jib of said hoisting crane comprises the parallel four-bar linkage of being made up of principal arm frame AB, pull bar CD, counterweight connecting rod BC and swing arm DE, and the bearing of bottom swing type mechanism is connected with the hinge O hinge of parallel four-bar linkage jib principal arm frame AB.Principal arm frame AB, pull bar CD, counterweight connecting rod BC and the swing arm DE of said parallel four-bar linkage jib are rigid bar, on the counterweight connecting rod BC counterweight are housed.Principal arm frame AB and counterweight connecting rod BC are hinged in hinge B, and principal arm frame AB and swing arm DE are hinged in hinge A; Pull bar CD is with hinged in hinge C with counterweight connecting rod BC, and pull bar CD and swing arm DE are hinged in hinge D, and the end points hinge D of swing arm DE equals the length of counterweight connecting rod BC to the length of hinge A, wherein, AD=BC, AB=CD, A, B, C, D, O are hinge.Principal arm frame AB rotates around the O point, thereby realizes big luffing action.Counterweight connecting rod BC rotates around the B point, thereby drives swing arm DE through pull bar CD) rotate around the A point and realize little luffing action.Adopt between swing arm DE and the grab bucket to be rigidly connected, also can adopt to flexibly connect.
In the wiring system, a part is the motor-driven cable drum, and steel rope arrives principal arm frame head steel rope node through tower top changed course pulley; Another part is the motor-driven cable drum, two steel ropes of folding and unfolding simultaneously, and through principal arm frame fulcrum place changed course pulley, principal arm frame center changed course pulley, two fag ends arrive rod head steel rope node and pull bar afterbody steel rope node respectively.
The invention has the beneficial effects as follows: because said bulk cargo crane upper arm shelf structure is made up of parallel four-bar linkage, counterbalanced weight itself has been saved unnecessary rod member as a connecting rod in the parallel four-bar linkage, makes crane structure succinctly light and handy.Simultaneously, the jib weight and the lifting weight balance of counterbalanced weight and parallel four-bar linkage leading portion make hoisting crane be in state of equilibrium all the time, have solved hoisting crane consumes a large amount of power in amplitude changing process problem.It is the effect of alteration of form to reach luffing and to grasp goods that drives four-bar linkage structure that steel cable winding system mainly acts on; A whole set of steel cable winding system is simple in structure, maintenance convenient, and adopt all-electric driving; Energy-conserving and environment-protective; Because of arranging the attachment point of pulley cleverly, improved the service life of steel rope greatly simultaneously, avoid often changing the trouble of rope.Grab bucket is adopted with the parallel four-bar linkage jib and is rigidly connected, and suitable extracting has the goods (like steel scrap etc.) of certain rigidity, the jib stress equalization, and structure stress is good, and equipment self-weight is light.Grab bucket also various forms of grab buckets of interchangeable and container spreader are fit to grasp various types of bulk goods, timber, freight container etc.In addition, the luffing of jib is to adopt the steel rope of elevation mount to flexibly connect, and is fit to grasp goods belowdecks, does not receive the influence of boats and ships wave fluctuation to hoisting crane, adapts to the harbour ship-discharging operation.
Description of drawings
Fig. 1 is a kind of structural representation of bulk cargo crane with energy saving and high efficiency;
Fig. 2 is the structural representation of parallel four-bar linkage jib;
Fig. 3 is the scheme drawing of a whole set of wiring system;
Fig. 4 has been the wiring subsystem scheme drawing that changes swing arm and counterweight angle;
Fig. 5 has been the scheme drawing of the wiring subsystem of luffing effect.
In above-mentioned accompanying drawing, 1. pylon, 2. parallel four-bar linkage jib, 21. principal arm frame AB, 22. pull bar CD, 23. counterweight connecting rod BC; 24. swing arm DE, 3. wiring system, 4. wiring subsystem, 41. cable drums, 42. principal arm frame fulcrum places changed course pulley, 43. principal arm frame center changed course pulley; 44. rod head steel rope node, 45. pull bar afterbody steel rope nodes, 46. motors, 47. drop-gear boxs, 5. wiring subsystem; 51. cable drum, the changed course of 52. tower tops is sliding, 53. principal arm frame head steel rope nodes, 54. motors, 55. drop-gear boxs; 6. grab bucket, 7. driver's cab, 8. bottom turn table, 9. door frame, 10. cart walking mechanism.
The specific embodiment
Further specify technical scheme of the present invention below in conjunction with accompanying drawing and embodiment.
A kind of bulk cargo crane of the present invention, it mainly is to be used in the bulk goods material that difficulty such as steel scrap is difficult to grasp, and also is fit to grasp various types of bulk goods, timber, freight container etc.
Fig. 1 is an embodiment of disclosure of the Invention, and this bulk cargo crane comprises grab bucket 6, driver's cab 7, bottom turn table 8, door frame 9, cart walking mechanism 10, pylon 1, parallel four-bar linkage jib 2 and the wiring system 3 that drives parallel four-bar linkage structure.Pylon 1 mainly plays the effect of supporting changed course pulley 52, and parallel four-bar linkage jib 2 leans on the wiring system drive.Parallel four-bar linkage jib 2 comprises principal arm frame AB21, pull bar CD22, counterweight connecting rod BC23 and swing arm DE24 (see figure 2).This structure non resistance gravity comes the balance total system but make full use of the angle of counterweight connecting rod BC23 cleverly with just changing, and reduces the intervention of external force as far as possible, thereby reaches energy-conservation effect.The wiring system that drives parallel four-bar linkage structure has comprised the wiring system 5 of luffing effect, plays the wiring system 4 (Fig. 3) that change swing arm DE24 and counterweight connecting rod BC23 angle are convenient to get thing.The whole series wiring system is simple and clear, and the division of labor is clear and definite, reduces the changed course of steel rope as much as possible, to increase the service life of steel rope.
Rise changing swing arm DE24 and counterweight connecting rod BC23 angle is convenient to get the wiring subsystem 4 of thing and comprises cable drum 41, principal arm frame fulcrum place changed course pulley 42, principal arm frame center changed course pulley 43, rod head steel rope node 44, pull bar afterbody steel rope node 45, motor 46 and drop-gear box 47 (see figure 4)s.Drive drop-gear boxs 47 by motor 46, drive cable drum 41, cable drum 41 is drawn the two-way steel rope simultaneously, the one tunnel through principal arm frame fulcrum place changed course pulley 42, principal arm frame center changed course pulley 43 arrive rod head steel rope nodes 44; Changed course pulley 42, principal arm frame center changed course pulley 43 arrive pull bar afterbody steel rope node 45 through principal arm frame fulcrum place on another road.The folding and unfolding simultaneously of two-way steel rope makes the everything of counterweight 23 and swing arm 24 synchronous, reaches the good thing effect of getting.Actuating device (comprise motor 46, drive drop-gear box 47, cable drum 41 etc.) is installed on the bottom turn table 8.
The wiring subsystem 5 that plays the luffing effect comprises cable drum 51, tower top changed course pulley 52, principal arm frame head steel rope node 53, motor 54 and drop-gear box 55 (see figure 5)s.Motor 54 drives drop-gear box 55, and cable drum 51, cable drum 51 are drawn steel rope and reached principal arm frame head steel rope node 53 through pylon 1 top changed course pulley 52, and through the folding and unfolding of steel rope, the head of traction principal arm frame AB21 is realized the pitching action.Actuating device (comprise motor 54, drive drop-gear box 55, cable drum 51 etc.) is installed on the bottom turn table 8.
Bottom turn table 8 is rigid platfors of arranging the bearing etc. of complete machine mechanical actuation device, electric apparatus and supports parallel four-bar linkage structure; Because the own characteristic of this parallel four-bar linkage structure; Realize the balance of total, need on turn table, not increase extra counterweight.
The wiring system node connection and reasonable arrangement of this bulk cargo crane can be avoided steel rope to produce with other parts effectively and interfere, twine succinct, like this just very big raising the service life of steel rope.
The cart walking mechanism of this bulk cargo crane can be according to the needs in operation place, and cart walking mechanism 10 is made rubber-tyred, wheel-track type, fixed type and crawler type etc.
Those skilled in the art will be appreciated that; Above embodiment is used for explaining the present invention; And be not to be used as qualification of the present invention, as long as in technical scheme scope of the present invention, all will drop within the scope of claim of the present invention variation, the modification of above embodiment.
Claims (7)
1. bulk cargo crane; Comprise grab bucket (6), bottom swing type mechanism (8) and cart walking mechanism (10) part; It is characterized in that: the bearing on the bottom swing type mechanism (8) is connected with the hinge O hinge of parallel four-bar linkage jib (2) principal arm frame AB (21); The principal arm frame AB (21) of said parallel four-bar linkage jib (2), pull bar CD (22), counterweight connecting rod BC (23) and swing arm DE (24) are rigid bar; Principal arm frame AB (21) and counterweight connecting rod BC (23) are hinged in hinge B, and principal arm frame AB (21) and swing arm DE (24) are hinged in hinge A; Pull bar CD (22) is with hinged in hinge C with counterweight connecting rod BC (23), and pull bar CD (22) is with hinged in hinge D with swing arm DE (24), and swing arm DE (24) end points hinge D equals the length of counterweight connecting rod BC (23) to the length of hinge A, wherein: AD=BC, AB=CD; A, B, C, D, O are hinge; Principal arm frame AB (21) rotates around the O point, thereby realizes big luffing action; Counterweight connecting rod BC (23) rotates around the B point; Through pull bar CD (22) thus driving swing arm DE (24) rotates around A point and realizes that little luffing moves; Said parallel four-bar linkage jib (2) leans on the first wiring subsystem (4) to drive, motor-driven first cable drum (41), and two steel ropes of folding and unfolding simultaneously arrive rod head (43) and afterbody place (45) respectively through changed course pulley (42); Change the angle of counterweight and swing arm, be used to grasp goods; Bottom swing type mechanism (8) is gone up erection tower (1), plays the folding and unfolding of the second wiring subsystem (5) of luffing effect through steel rope, and the head of traction principal arm frame (21) is realized the pitching action.
2. bulk cargo crane according to claim 1 is characterized in that: on the counterweight connecting rod BC (23) counterweight is housed.
3. bulk cargo crane according to claim 1 is characterized in that: first cable drum (41) of the said first wiring subsystem (4) is drawn the two-way steel rope simultaneously: the one tunnel arrives pull bar (22) head steel rope node (44) through principal arm frame (21) fulcrum place changed course pulley (42), principal arm frame (21) center changed course pulley (43); Changed course pulley (42), principal arm frame (21) center changed course pulley (43) arrive pull bar afterbody steel rope node (45) through principal arm frame (21) fulcrum place on another road.
4. bulk cargo crane according to claim 1; It is characterized in that: the steel rope of the second wiring subsystem (5) is from the node of second cable drum (51), and the changed course pulley (52) at process pylon (1) top is connected with principal arm frame (21) the head steel rope node (53) of parallel four-bar linkage jib (2).
5. bulk cargo crane according to claim 1 is characterized in that: swing arm DE (24) adopts to be rigidly connected or to adopt with grab bucket (6) and flexibly connects.
6. bulk cargo crane according to claim 3 is characterized in that: first cable drum (41) adopts motor-driven.
7. bulk cargo crane according to claim 4 is characterized in that: second cable drum (51) adopts motor-driven.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100756520A CN101691190B (en) | 2009-09-29 | 2009-09-29 | Bulk cargo crane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100756520A CN101691190B (en) | 2009-09-29 | 2009-09-29 | Bulk cargo crane |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101691190A CN101691190A (en) | 2010-04-07 |
| CN101691190B true CN101691190B (en) | 2012-01-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009100756520A Expired - Fee Related CN101691190B (en) | 2009-09-29 | 2009-09-29 | Bulk cargo crane |
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| Country | Link |
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| CN (1) | CN101691190B (en) |
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| CN102408081B (en) * | 2011-09-02 | 2013-05-22 | 河北联合大学 | Multifunctional electric hoist for indoor hoisting and transporting |
| CN103130104A (en) * | 2011-12-01 | 2013-06-05 | 上海市基础工程有限公司 | Bridge crane for steel truss girder bridge cantilever construction |
| CN103043536A (en) * | 2013-01-25 | 2013-04-17 | 象王重工股份有限公司 | Rigid four-bar balance crane |
| CN103318796B (en) * | 2013-07-22 | 2015-12-23 | 上海海事大学 | Counterweight assembly pulley |
| CN106002983B (en) * | 2016-06-23 | 2018-07-10 | 中山市博业自动化设备有限公司 | A kind of shovel palletizing mechanical arm |
| CN106078722B (en) * | 2016-06-23 | 2018-05-18 | 哈工大机器人集团（广州）知识产权投资控股有限公司 | Energy-concerving and environment-protective type pile up neatly machine people |
| CN106041904B (en) * | 2016-06-23 | 2018-05-25 | 枣庄正夏自动化设备有限公司 | A kind of machinery claw stacking machine |
| CN106041900B (en) * | 2016-06-23 | 2018-05-01 | 西安财经学院 | One kind removes case stacking machine |
| CN106041992B (en) * | 2016-06-23 | 2018-05-08 | 南通奥普机械工程有限公司 | A kind of energy-saving palletizing mechanical arm to hover |
| CN106003011B (en) * | 2016-06-23 | 2018-07-13 | 沈阳实发汽车配件有限公司 | A kind of pulley-type palletizing mechanical arm |
| US11124137B2 (en) | 2016-08-30 | 2021-09-21 | Illinois Tool Works Inc. | Methods and apparatus to power a crane on a work truck using an engine-powered service pack |
| CN115180531A (en) * | 2022-07-29 | 2022-10-14 | 徐州建机工程机械有限公司 | Spatial layout structure for non-twisting of tower crane hoisting steel wire rope |
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|---|---|---|---|---|
| CN1206686A (en) * | 1998-06-08 | 1999-02-03 | 上海港口机械制造厂 | Four-bar frame self-lifting type door-base crane |
| CN1775649A (en) * | 2005-11-25 | 2006-05-24 | 武汉理工大学 | Arm crane spar structure jib lubbing mechanism |
| EP1352870B1 (en) * | 2002-04-12 | 2007-04-04 | Potain | Device for erecting and unfolding the mast and for erecting the jib of a crane |
| CN201567169U (en) * | 2009-09-29 | 2010-09-01 | 秦皇岛天业通联重工股份有限公司 | Parallel four bar linkage mechanism arm frame balance crane |
-
2009
- 2009-09-29 CN CN2009100756520A patent/CN101691190B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1206686A (en) * | 1998-06-08 | 1999-02-03 | 上海港口机械制造厂 | Four-bar frame self-lifting type door-base crane |
| EP1352870B1 (en) * | 2002-04-12 | 2007-04-04 | Potain | Device for erecting and unfolding the mast and for erecting the jib of a crane |
| CN1775649A (en) * | 2005-11-25 | 2006-05-24 | 武汉理工大学 | Arm crane spar structure jib lubbing mechanism |
| CN201567169U (en) * | 2009-09-29 | 2010-09-01 | 秦皇岛天业通联重工股份有限公司 | Parallel four bar linkage mechanism arm frame balance crane |
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| Publication number | Publication date |
|---|---|
| CN101691190A (en) | 2010-04-07 |
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Denomination of invention: Arm support with parallel four-connecting link structure for bulk cargo crane Effective date of registration: 20121121 Granted publication date: 20120104 Pledgee: China Co. truction Bank Corp Qinhuangdao port professional branch Pledgor: QINHUANGDAO TIANYE TOLIAN HEAVY INDUSTRY Co.,Ltd. Registration number: 2012990000708 |
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Granted publication date: 20120104 Termination date: 20210929 |
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Date of cancellation: 20220907 Granted publication date: 20120104 Pledgee: China Co. truction Bank Corp Qinhuangdao port professional branch Pledgor: QINHUANGDAO TIANYE TOLIAN HEAVY INDUSTRY Co.,Ltd. Registration number: 2012990000708 |
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| PC01 | Cancellation of the registration of the contract for pledge of patent right |