CN2755058Y - Eight-rope grab ship-unloader - Google Patents
Eight-rope grab ship-unloader Download PDFInfo
- Publication number
- CN2755058Y CN2755058Y CN 200420120816 CN200420120816U CN2755058Y CN 2755058 Y CN2755058 Y CN 2755058Y CN 200420120816 CN200420120816 CN 200420120816 CN 200420120816 U CN200420120816 U CN 200420120816U CN 2755058 Y CN2755058 Y CN 2755058Y
- Authority
- CN
- China
- Prior art keywords
- grab bucket
- ropes
- switching
- lifting
- operating unit
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
Images
Landscapes
- Ship Loading And Unloading (AREA)
- Carriers, Traveling Bodies, And Overhead Traveling Cranes (AREA)
Abstract
The utility model relates to an eight-rope grab bucket ship unloading machine, which belongs to the technical field of machinery manufacture. The utility model is composed of a lifting operating mechanism, a switching operating mechanism, guide pulleys, a grab bucket car, and an eight-rope grab bucket, wherein four lifting ropes of the eight-rope grab bucket respectively pass round the guide pulleys of the front and the back shoulder beams through the grab bucket car and are connected with a winding drum of the lifting operating mechanism, and likewise, four switching ropes are connected with the winding drum of the switching operating mechanism; the lifting operating mechanism is composed of a car operating electric machine, a lifting electric machine, a planet differential speed reducer, and a wirerope drum; the switching operating mechanism is composed of the car operating electric machine, a switching electric machine, the planet differential speed reducer, and the wirerope drum; the car operating electric machine, the lifting electric machine and the switching electric machine are provided with brakes. The utility model has the advantages that the diameter of a wirerope is reduced by 30%, the zero drift angle arrangement of the wirerope of the grab bucket ship unloading machine is ensured, the stress is uniform and the service lives of the wirerope and the guide pulleys are extended. The utility model is suitable for the large-scale grab bucket ship unloading machine of which the lifting capacity is more than 70 tons.
Description
Technical field
The utility model belongs to machinery manufacturing technology field.Relating to a kind of large-scale bridge type grab bucket ship unloader, is the bulk cargo ship unloading equipment of a kind of major port, harbour.
Background technology
High speed development along with the modern marine transportation requires the efficient of grab bucket ship unloader more and more higher, and this just forces hoisting capacity increasing.When hoisting capacity is increased to 70 ton hours, ship unloaders hoist rope diameter will cause reel and pulley all very huge near 60mm, be difficult to processing, make, and manufacturing cost is increased severely.Simultaneously the rotor inertia of the deadlock of steel rope and pulley is all very big, causes the wearing and tearing of pulley and steel rope all very serious, maintenance difficult.Promptly conventional grab bucket development is restricted.
At present, the employed grab bucket of bridge-type grab ship unloader mostly is four rope grab, and " 4 rope grip bucket " hoisted and on-off action by two raising lines and two switching steel rope control grab buckets, and bears grab bucket and load weight.When the rated load weight of grab bucket reaches 65 ton hours, wirerope diameter reaches 54mm (guarantee safety factor greater than 9), according to the rope of stipulating in the standard directly than, reel and pulley are all very huge, are difficult to processing, make, and manufacturing cost is increased severely.The rotor inertia of the deadlock of steel rope and pulley is all very big simultaneously, also can cause the wearing and tearing of pulley and steel rope all very serious.Though application is arranged at present, but for the normal operation that guarantees to grab bucket, respectively establish two holder rope dollies before and after it,, be not able in order to guarantee the drift angle of steel rope to pulley, the back crossbeam is prolonged (overhang length that has more increased steel rope like this), and pulley is in tilted layout, and pulley is processed into special inclined to one side grooved, even so, also be difficult to reach ideal effect, the wearing and tearing of its pulley and steel rope are still very serious.
If be increased to 80 ton hours when hoisting capacity, wirerope diameter will reach 60mm, and planetary reduction gear reel width between centers reaches more than the 2.5m, and will be huge and be difficult to processing; The active section steel rope twines and surpasses two meters on each reel, and according to its winding characteristics, steel rope just is difficult to satisfy to the drift angle of pulley more.The mentality of designing that is conventional grab bucket ship unloader can not satisfy the needs of development.
Summary of the invention
The purpose of this utility model just provides a kind of Grab bucket with eight ropes ship unloaders that comformability is strong, fault rate is low, quantity of clean-up is little to material and ship type.
Technical solution of the present utility model is, the Grab bucket with eight ropes ship unloaders are made of the operating unit 1 that hoists, switching operating unit 2, leading sheave 3, grab car 4 and Grab bucket with eight ropes 5, four raising lines of Grab bucket with eight ropes 5 are shoulder beam leading sheave 3 before and after grab car 4 is walked around respectively, link to each other with the reel of the operating unit 1 that hoists, four open and close rope and link to each other with the reel that opens and closes operating unit 2 equally.By corresponding motor-driven, realize the opening of grab bucket, closed and hoist and descend.Make reel produce velocity contrast by the trolley travelling motor-driven, synthetic trolley travelling action.The operating unit that hoists can exchange as required with the upper-lower position that opens and closes operating unit.
The operating unit 1 that hoists is made of trolley travelling motor 6, lifting motor 7, planetary differential retarder 9 and cable drum 10.
Opening and closing operating unit 2 is made of trolley travelling motor 6, switching motor 8, planetary differential retarder 9 and cable drum 11.
Open and close motor 8 and be provided with drg 12.
Grab bucket with eight ropes ship unloaders driver train by two cover 2KH planetary differential retarders, four double crosslinking drums, and lifting motor, open and close motor and the trolley travelling motor is formed, be divided into two groups of layouts.One group be responsible for grabbing bucket hoist, the action of decline and trolley travelling, be called the operating unit that hoists; Another group is responsible for the opening of grab bucket, closure and trolley travelling action, is called the switching operating unit.
Hoist operating unit and switching operating unit as two-layer being arranged in the machine house about two groups of independent agencies branches.
Support Suo Xianglian in four steel ropes and the grab bucket on the operating unit reel hoists, four steel ropes that open and close on the operating unit reel open and close Suo Xianglian with the grab bucket in-to-in, because being the reels by two rigid attachment, four steel ropes drive, can guarantee to hoist or during down maneuver, the rigidity of four cable drum rotating speeds is synchronous, and simultaneously, four attachment points of grab bucket head are to connect by the balance hinge, so steel rope is stressed evenly.Can guarantee the grab bucket hoist or the decline process in operate steadily.In like manner, grab bucket open or closing course in, can guarantee that also steel rope is stressed evenly, operate steadily.
Grab bucket is in the whole service process, and the control of the switching that hoists is identical with common four rope grab ship unloaders, adopts three kinds of principal and subordinate's modes.Difference is trolley travelling control.Trolley travelling is to drive two reels by vehicle motor to produce a velocity contrast, synthetic trolley travelling action, and wheeling mechanism is owing to have two groups of independent agency controls, and two cover vehicle motors are realized synchronously by the balanced control of electric principal and subordinate's driving-torque.Raising line velocity contrast and switching rope speed difference realize balanced by the control of principal and subordinate's moment equilibrium.Guarantee in the trolley travelling process, remain raising line and the propulsive effort of dolly is slightly larger than opens and closes rope.Like this, make raising line and the stressed distribution of switching rope more evenly, rationally.
The beneficial effect that the utility model reached is:
1. replace four rope rope grips with Grab bucket with eight ropes, effectively reduce wirerope diameter, promptly effectively reduce reel, diameter of pulley.Make the ship unloaders maintenance easily, it is convenient to change rope.With the 80t grab bucket ship unloader is example, and the wirerope diameter of four rope grab reaches 60mm above (safety factor gets 9), and at this moment, reel and pulley are very huge, is difficult to processing, makes, and manufacturing cost is increased severely.Change all very inconvenience of rope difficulty, working service; The deadlock resistance of steel rope is very huge, makes the serious wear of steel rope, pulley and reel; Steel rope from great, sag is big, in the operational process steel rope shake big, running stability is poor, and is big to the impact of structure and mechanism.About 40～the 42mm of silk rope diameter can make reel and diameter of pulley reduce 30% when adopting Grab bucket with eight ropes, and the deadweight of steel rope and deadlock resistance all will significantly reduce.
2. Grab bucket with eight ropes can effectively reduce the grab bucket height, thereby the complete machine height is reduced, and alleviates the complete machine deadweight, and increases stability.The height overall of grab bucket is relevant with grab bucket inner pulley diameter, because diameter of pulley can reduce 30%, so 80t grab bucket height overall can reduce more than the 500mm.Be that the ship unloaders height overall also can reduce 500mm, gantry clearance (by height) is also highly relevant with grab bucket usually, also can correspondingly reduce.
3. Grab bucket with eight ropes is because head rope stretching layout feature, can guarantee correspondingly fully with dolly pulley rope stretching position, and stressed even, operates steadily.Avoided in the four winding drum four rope grab ship unloaders grab bucket or dolly that the serious drawback of bigger tilt torque is arranged.
4. because the symmetry of dolly pulley arrangements is good, stressed evenly diameter of pulley is little, so trolley frame follows away the direction size and can significantly reduce, the jib actual length can reduce, and dolly is from heavy and light simultaneously, and wheel load is little, can effectively reduce the complete machine deadweight.
Description of drawings
Below in conjunction with the drawings and specific embodiments the utility model is further specified.
Fig. 1 is a front view of the present utility model.
Fig. 2 is an A-A cutaway view of the present utility model.
Among the figure: 1. the operating unit that hoists 2. opens and closes operating unit, 3. steel rope and leading sheave, 4. grab car, 5. Grab bucket with eight ropes, 6. trolley travelling motor, 7. lifting motor 8. opens and closes motor, 9. planetary differential retarder, 10. cable drum, 11. cable drums, 12. drgs.
The specific embodiment
The Grab bucket with eight ropes ship unloaders are made of the operating unit 1 that hoists, switching operating unit 2, leading sheave 3, grab car 4 and Grab bucket with eight ropes 5, four raising lines of Grab bucket with eight ropes 5 are shoulder beam leading sheave 3 before and after grab car 4 is walked around respectively, link to each other with the reel of the operating unit 1 that hoists, four open and close rope and link to each other with the reel that opens and closes operating unit 2 equally.
The operating unit 1 that hoists is made of trolley travelling motor 6, lifting motor 7, planetary differential retarder 9 and cable drum 10.
Opening and closing operating unit 2 is made of trolley travelling motor 6, switching motor 8, planetary differential retarder 9 and cable drum 11.
Grab bucket with eight ropes ship unloaders driver train by two cover 2KH planetary differential retarders, four double crosslinking drums, and lifting motor, open and close motor and the trolley travelling motor is formed, be divided into two groups of layouts.One group be responsible for grabbing bucket hoist, the action of decline and trolley travelling, be called the operating unit that hoists; Another group is responsible for the opening of grab bucket, closure and trolley travelling action, is called the switching operating unit.
Claims (6)
1. Grab bucket with eight ropes ship unloaders, it is characterized in that, constitute by the operating unit that hoists (1), switching operating unit (2), leading sheave (3), grab car (4) and Grab bucket with eight ropes (5), four raising lines of Grab bucket with eight ropes (5) are shoulder beam leading sheave (3) before and after grab car (4) is walked around respectively, link to each other with the reel of the operating unit that hoists (1), four open and close rope and link to each other with the reel that opens and closes operating unit (2) equally.
2. Grab bucket with eight ropes ship unloaders according to claim 1 is characterized in that, the operating unit that hoists (1) is made of trolley travelling motor (6), lifting motor (7), planetary differential retarder (9) and cable drum (10).
3. Grab bucket with eight ropes ship unloaders according to claim 1 is characterized in that, open and close operating unit (2) and are made of trolley travelling motor (6), switching motor (8), planetary differential retarder (9) and cable drum (11).
4. according to claim 2 or 3 described Grab bucket with eight ropes ship unloaders, it is characterized in that trolley travelling motor (6) is provided with drg (12).
5. Grab bucket with eight ropes ship unloaders according to claim 2 is characterized in that, lifting motor (7) is provided with drg (12).
6. Grab bucket with eight ropes ship unloaders according to claim 3 is characterized in that, open and close motor (8) and are provided with drg (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420120816 CN2755058Y (en) | 2004-12-31 | 2004-12-31 | Eight-rope grab ship-unloader |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420120816 CN2755058Y (en) | 2004-12-31 | 2004-12-31 | Eight-rope grab ship-unloader |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2755058Y true CN2755058Y (en) | 2006-02-01 |
Family
ID=35928687
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200420120816 Expired - Lifetime CN2755058Y (en) | 2004-12-31 | 2004-12-31 | Eight-rope grab ship-unloader |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2755058Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102642770A (en) * | 2012-04-19 | 2012-08-22 | 大连华锐重工集团股份有限公司 | Grab bucket driving mechanism of eight-ropes grab ship unloader |
| CN103640965A (en) * | 2013-11-25 | 2014-03-19 | 无锡起岸重工机械有限公司 | Crane grab bucket stabilizer |
| CN110616764A (en) * | 2019-11-13 | 2019-12-27 | 安徽省六安恒源机械有限公司 | Bidirectional-opening self-locking type trash cleaning grab bucket |
-
2004
- 2004-12-31 CN CN 200420120816 patent/CN2755058Y/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102642770A (en) * | 2012-04-19 | 2012-08-22 | 大连华锐重工集团股份有限公司 | Grab bucket driving mechanism of eight-ropes grab ship unloader |
| CN103640965A (en) * | 2013-11-25 | 2014-03-19 | 无锡起岸重工机械有限公司 | Crane grab bucket stabilizer |
| CN110616764A (en) * | 2019-11-13 | 2019-12-27 | 安徽省六安恒源机械有限公司 | Bidirectional-opening self-locking type trash cleaning grab bucket |
| CN110616764B (en) * | 2019-11-13 | 2021-10-26 | 安徽省六安恒源机械有限公司 | Bidirectional-opening self-locking type trash cleaning grab bucket |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN1297469C (en) | Container crane capable of lifting dual 40 feet box | |
| CN103964316B (en) | Multifunctional and multipurpose high pedestal jib crane | |
| CN100436300C (en) | Wire rope reeving support system for cargo container handling gantry cranes | |
| CN202186850U (en) | Multifunctional gantry crane with single-boom frame | |
| CN101607681B (en) | Hoisting traction mechanism of arm line-like cantilever crane | |
| CN102275831A (en) | Multipurpose single-boom-frame gantry crane | |
| CN201264870Y (en) | Bridge type aluminum discharge cart | |
| CN201560066U (en) | Novel light loading and unloading gantry crane | |
| CN102642770A (en) | Grab bucket driving mechanism of eight-ropes grab ship unloader | |
| CN1221462C (en) | Arrangement for placing crane mechanisms | |
| CN1086358C (en) | Swing-proof device for crane slings | |
| CN1785784A (en) | Differential driving mechanism of container crane lifting and trolley compound motion | |
| CN2755058Y (en) | Eight-rope grab ship-unloader | |
| CN1699133A (en) | Guide and rotation mechanism for crane hanger | |
| CN100564229C (en) | Double-hoisting container crane | |
| CN1840463A (en) | Lifting mechanism for storage yard container crane | |
| CN2458271Y (en) | Crane counterweight type balance rotating force moment energy saver | |
| CN2841605Y (en) | Rake crane slings | |
| CN100344523C (en) | Arm crane spar structure jib lubbing mechanism | |
| CN2764752Y (en) | Grab bucket with eight ropes | |
| CN1225399C (en) | Differential trolley container crane | |
| CN211895771U (en) | Energy-saving crossing type shore bridge using counterweight | |
| CN2642756Y (en) | Casting crane with four girders six rails and flexible overhead end girder | |
| CN201040691Y (en) | Double-arm single-rope portal crane | |
| CN202754712U (en) | Grab driving mechanism of eight-rope grab ship-unloader |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: DALIAN HUARUI HEAVY INDUSTRY GROUP CO., LTD. Free format text: FORMER OWNER: DALIAN HEAVY INDUSTRY CRANE GROUP CO., LTD. Effective date: 20111214 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 116021 DALIAN, LIAONING PROVINCE TO: 116035 DALIAN, LIAONING PROVINCE |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20111214 Address after: 116035 No. 78 cement road, Ganjingzi, Liaoning, Dalian Patentee after: Dalian Huarui Heavy Industry Group Co., Ltd. Address before: 116021 Dalian heavy industry hoisting Group Co., Ltd., Liaoning, Dalian Patentee before: DHI & DCW Group Co., Ltd. |
|
| C17 | Cessation of patent right | ||
| CX01 | Expiry of patent term |
Expiration termination date: 20141231 Granted publication date: 20060201 |