CN115676430A - Wave avoiding equipment of chain bucket material taking system and using method thereof - Google Patents
Wave avoiding equipment of chain bucket material taking system and using method thereof Download PDFInfo
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- CN115676430A CN115676430A CN202110843053.XA CN202110843053A CN115676430A CN 115676430 A CN115676430 A CN 115676430A CN 202110843053 A CN202110843053 A CN 202110843053A CN 115676430 A CN115676430 A CN 115676430A
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- chain bucket
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Abstract
The invention relates to wave avoiding equipment of a chain bucket material taking system and a using method thereof, and the wave avoiding equipment comprises the chain bucket material taking system, wherein a trolley is arranged on the chain bucket material taking system, a connecting beam is arranged on a supporting structure of the chain bucket material taking system, two ends of the connecting beam extend outwards, and the connecting beam and the supporting structure form a cross form; opposite fixed supports are arranged at two ends of the chain bucket material taking system, a single fixed support is in a door-shaped structure, a movable support is arranged inside the fixed support, and the movable support goes up and down along the fixed support; two ends of the connecting beam are locked with the movable bracket through fasteners; the chain bucket material taking system is characterized in that lifting oil cylinders are further mounted at two ends of the chain bucket material taking system respectively and connected with the trolley, a pulley block is mounted at the head of a piston rod of each lifting oil cylinder, a traction cable is wound on each pulley block, one end of each traction cable is fixed on the movable support, and the other end of each traction cable is fixed on the trolley, so that the chain bucket material taking system is reliable in operation.
Description
Technical Field
The invention relates to the technical field of bulk cargo wharf continuous ship unloader equipment, in particular to wave avoiding equipment of a chain bucket material taking system and a using method thereof.
Background
The continuous ship unloader is a special machine which is made of a continuous conveying machine and can lift the machine head of the bulk materials, or has the self-taking capability, or is matched with a taking and feeding device to continuously lift the bulk materials out of a cabin, then unloads the bulk materials to an arm support or a rack and can convey the bulk materials to a land conveyor system for main transportation at the bank. The ship unloader can greatly improve the unloading efficiency, and the environment can be kept clean and efficient and environment-friendly due to the minimum dust pollution.
With the continuous improvement of the requirements on high efficiency, environmental protection and energy conservation of port bulk cargo ship unloading equipment, the prior grab bucket ship unloader can not meet the requirements. The chain bucket type continuous ship unloader has the characteristics of high efficiency, environmental protection and energy conservation, but as the chain bucket material taking system belongs to the rigid system for operation in a cabin, the problems of uncontrollable digging force of a chain bucket acting on a stockpile, incapability of safe and reliable autonomous cabin cleaning, anti-surge protection and the like exist.
Disclosure of Invention
The applicant provides wave avoiding equipment of a chain bucket material taking system and a using method thereof aiming at the defects in the prior art, so that the chain bucket material taking system can conveniently avoid surge, and has good working reliability.
The technical scheme adopted by the invention is as follows:
a wave avoiding device of a chain bucket material taking system comprises the chain bucket material taking system,
the trolley is mounted on the chain bucket material taking system, the connecting beam is mounted on a supporting structure of the chain bucket material taking system, two ends of the connecting beam extend outwards, and the connecting beam and the supporting structure of the chain bucket material taking system form a cross hinge mode;
opposite fixed supports are arranged at two ends of the chain bucket material taking system, each fixed support is of a door-shaped structure, a movable support is arranged inside each fixed support, and the movable supports lift along the fixed supports;
two ends of the connecting beam are locked with the movable bracket through fasteners;
lifting oil cylinders are respectively arranged at two ends of the chain bucket material taking system and connected with the trolley, a pulley block is arranged at the head of a piston rod of each lifting oil cylinder, a traction cable is wound on each pulley block, one end of each traction cable is fixed on the movable support, and the other end of each traction cable is fixed on the trolley; outer guide supporting wheels are installed at the upper positions of the outer sides of the two ends of the fixed support respectively, and inner guide supporting wheels are installed at the lower positions of the two ends of the movable support respectively.
The further technical scheme is as follows:
and a force sensor is arranged on the traction cable.
The traction cable is a flexible soft cable, and the external pressure load of the traction cable is released.
The inner side of the movable support is provided with a support frame through a support rod, and the support frame is provided with a pulley block through a support shaft
A method for using wave-avoiding equipment of a chain bucket material taking system,
when the lifting oil cylinder does telescopic action, the free end of the traction rope is driven to lift through the pulley block, so as to drive the movable support and the chain bucket material taking system to integrally lift,
chain bucket gets material system's lifting speed V = V Oil cylinder ×m
Wherein: m is the multiplying power of the pulley block;
during cabin cleaning operation, the working pressure of the lifting oil cylinder is adjusted according to the feedback value of the force sensor, so that the chain bucket material taking system and the rest material layers are in a small-pressure suspension contact state, and the chain bucket cabin cleaning operation is realized;
the difference is ensured by the calculation of a PLC system through the working pressure of the lifting oil cylinder and the feedback data of the force sensor:
ΔF 1 operating condition ＝G Chain bucket system -F Lifting oil cylinder ；
When the surge acts on the material, the material pile in the cabin can generate upward jacking force to the chain bucket material taking system, and the force difference value is as follows:
ΔF 2 operating conditions ＝G Chain bucket system -F Lifting oil cylinder -F Top lift of material pile ，
The chain bucket reclaiming system can move upwards under the action of the material pile jacking force, at the moment, the flexible traction cable can actively release the jacking force, so that the chain bucket reclaiming system automatically moves upwards along with the material pile, the movable support also moves upwards along with the chain bucket reclaiming system, meanwhile, the force sensor transmits a difference value change signal to the PLC, the PLC can guide the lifting oil cylinder to rapidly extend out and enable the flexible traction cable to be in a tensioning state to achieve new balance, and the flexible traction cable is accelerated through the acceleration pulley block on the upper part of the rod cavity of the lifting oil cylinder, so that the chain bucket reclaiming system can rapidly separate from the material pile, further, the anti-surge protection is realized, and the chain bucket reclaiming system is prevented from being damaged under the action of surge; when the surge disappears, force sensor can send a letter once more, and the lift cylinder can retract fast, makes chain bucket and stockpile contact once more, continues to get the material operation.
The invention has the following beneficial effects:
the chain bucket taking system is connected with the movable support through the connecting beam, the movable support is connected with the lifting oil cylinder through the flexible traction rope, the traction rope and the movable support are driven to lift through the stretching of the lifting oil cylinder, the chain bucket system is driven to lift, the force detection sensor is arranged, the contact pressure between the chain bucket and a material pile is adjusted through the feedback data of the force sensor through PLC operation, and when the change amount of the force difference detected by the force sensor reaches a designed protection value, the lifting oil cylinder can quickly follow the flexible traction rope to act and accelerate through the pulley block, so that the surge can be quickly avoided.
The main function of the invention is to provide the corresponding contact force between the chain bucket and the material pile for the chain bucket system according to different operating material characteristics so as to ensure that the chain bucket has enough positive excavating force to the material pile; the feeding depth of the chain bucket can be controlled by lifting of the movable support, layered material taking and floating cabin cleaning are achieved, and the function of avoiding surge is achieved.
Drawings
FIG. 1 is a front view of the present invention.
Fig. 2 is a side view of fig. 1 (the cart is omitted).
Fig. 3 is a top view of fig. 1 (with the cart omitted).
Wherein: 1. moving the support; 2. fixing a bracket; 3. an outer guide support wheel; 4. an inner guide support wheel; 5. lifting the oil cylinder; 6. a support frame; 7. a force sensor; 8. a pulley block; 9. a traction cable; 10. a connecting beam; 11. a chain bucket reclaiming system; 12. a trolley is provided.
Detailed Description
The following describes embodiments of the present invention with reference to the drawings.
As shown in fig. 1, 2 and 3, the wave avoiding device of the bucket chain reclaiming system of the present embodiment includes a bucket chain reclaiming system 11,
a trolley 12 is mounted on the chain bucket material taking system 11, a connecting beam 10 is mounted on a supporting structure of the chain bucket material taking system 11, two ends of the connecting beam 10 extend outwards, and the connecting beam 10 and the supporting structure of the chain bucket material taking system 11 form a cross hinged form;
opposite fixed supports 2 are arranged at two ends of the chain bucket material taking system 11, each fixed support 2 is of a door-shaped structure, a movable support 1 is arranged inside each fixed support 2, and the movable supports 1 lift along the fixed supports 2;
two ends of the connecting beam 10 are locked with the movable bracket 1 through fasteners;
the two ends of the chain bucket material taking system 11 are respectively provided with a lifting oil cylinder 5, the lifting oil cylinders 5 are connected with a trolley 12, the head of a piston rod of each lifting oil cylinder 5 is provided with a pulley block 8, a traction cable 9 is wound on each pulley block 8, one end of each traction cable 9 is fixed on the movable support 1, and the other end of each traction cable 9 is fixed on the trolley 12; outer guide supporting wheels 3 are respectively installed at the upper positions of the outer sides of the two ends of the fixed support 2, and inner guide supporting wheels 4 are respectively installed at the lower positions of the two ends of the movable support 1.
The traction cable 9 is provided with a force sensor 7.
The traction cable 9 is a flexible soft cable, and the traction cable 9 releases external pressure load.
The inner side of the movable support 1 is provided with a support frame 6 through a support rod, and the support frame 6 is provided with a pulley block 8 through a support shaft.
A method for using wave-avoiding equipment of a chain bucket material taking system,
when the lifting oil cylinder 5 does telescopic action, the free end of the traction cable 9 is driven to lift through the pulley block 8, and then the movable bracket 1 and the chain bucket material taking system 11 are driven to integrally lift,
elevating speed V = V of chain bucket material taking system 11 Oil cylinder ×m
Wherein: m is the multiplying power of the pulley block 8;
during cabin cleaning operation, the working pressure of the lifting oil cylinder 5 is adjusted according to the feedback value of the force sensor 7, so that the chain bucket material taking system 11 and the rest material layers are in a small-pressure suspension contact state, and the chain bucket cabin cleaning operation is realized;
the difference is ensured by the operation of a PLC system through the working pressure of the lifting oil cylinder 5 and the feedback data of the force sensor 7:
ΔF 1 operating condition ＝G Chain bucket system -F Lifting oil cylinder 。
When the surge acts on, the stockpile in the cabin can produce ascending jacking force to the chain bucket system, and the force difference value is as follows:
ΔF 2 operating condition ＝G Chain bucket system -F Lifting oil cylinder -F Top lift force of material pile ，
The chain bucket reclaiming system 11 can move upwards under the action of the material pile jacking force, at the moment, the flexible traction cable 9 can actively release the jacking force, so that the chain bucket reclaiming system 11 automatically moves upwards along with the material pile, the movable support 1 also moves upwards along with the chain bucket reclaiming system 11, meanwhile, the force sensor 7 transmits a force difference change signal to the PLC, the PLC can guide the lifting oil cylinder 5 to rapidly extend out and enable the flexible traction cable 9 to be in a tensioning state to achieve new balance, and the flexible traction cable is accelerated through the acceleration pulley block 8 on the upper part of the rod cavity of the lifting oil cylinder 5, so that the chain bucket reclaiming system 11 can rapidly separate from the material pile, further, the anti-surge protection is realized, and the chain bucket reclaiming system 11 is prevented from being damaged under the action of surge; when the surge disappears, force sensor 7 will send a signal again, and lift cylinder 5 will retract fast, makes chain bucket and stockpile contact once more, continues to get the material operation.
The specific structure and function of the invention are as follows:
the device mainly comprises a movable support 1, a fixed support 2, an outer guide supporting wheel 3, an inner guide supporting wheel 4, a lifting oil cylinder 5, a supporting frame 6, a force sensor 7, a pulley block 8, a traction cable 9 and a connecting beam 10.
The movable support 1 is sleeved in the fixed support 2, and the outer guide supporting wheel 3 and the inner guide supporting wheel 4 are respectively arranged at the upper part of the fixed support 2 and the lower part of the movable support 1;
the fixed end of a rodless cavity of the lifting oil cylinder 5 is arranged on a trolley of a chain bucket system 11 through a hinge shaft, a pulley block 8 is arranged at the head of a piston rod of the lifting oil cylinder 5, a traction cable 9 is wound through the pulley block 8, one end of the traction cable 9 is fixed on the movable support 1, the other end of the traction cable is fixed on the trolley of the chain bucket system through a connecting seat, and a force sensor 7 is arranged.
In order to ensure that the oil cylinder does not deflect in the lifting process, the support frame 6 is arranged, and a support shaft of a pulley block 8 at the head of a piston rod of the oil cylinder is sleeved in the oil cylinder guide frame to play a role in supporting and guiding.
The connecting beam 10 is connected and installed in the upper supporting structure of the chain bucket system through a hinge shaft in a connecting mode to form a cross connecting mode and is connected and fixed with the movable support 1.
In the actual use process:
when the lifting oil cylinder 5 does telescopic action, the free end of the traction rope 9 is driven to lift through the pulley block 8, so as to drive the movable support 1 and the chain bucket system to integrally lift,
chain bucket system lifting speed V = V Oil cylinder ×m
Wherein: m is the multiplying power of the pulley block 8, and the multiplying power of the pulley block 8 can be comprehensively considered according to factors such as surge corresponding speed of an operation area, chain bucket lifting height and the like.
The increase of the lifting speed of the chain bucket lifting system is realized through the pulley block 8, the contact pressure between the feedback chain bucket material taking system and the material pile is detected in real time through the force sensor 7, the material eating depth and the excavating force of the chain bucket system to materials with different characteristics are adjusted, and the chain bucket and the material pile are in a constant-pressure contact state.
When the cabin is cleaned, the working pressure of the lifting oil cylinder 5 is adjusted according to the feedback value of the force sensor 7, so that the chain bucket system and the residual material layer are in a small-pressure suspension contact state to realize the cabin cleaning operation of the chain bucket, and meanwhile, the small contact force can avoid the damage to the cabin bottom plate when the chain bucket is in contact with the bottom plate.
The chain bucket material taking system is a rigid system, when the chain bucket system works in a cabin, the ship body fluctuates up and down due to surging, so that horizontal and vertical acting forces are generated between a material pile in the cabin and the chain bucket system, and the acting forces have adverse effects on the safety of a chain bucket ship unloader and the ship body. In order to ensure the safe operation of the chain bucket ship unloader, a relatively stable force difference value is formed between a chain bucket system and a material pile according to surge data of an operation area and the characteristics of operation materials, and the force difference value is ensured by the working pressure of a lifting oil cylinder 5 and the feedback data of a force sensor 7 through PLC system operation:
ΔF 1 operating condition ＝G Chain bucket system -F Lifting oil cylinder 。
When the surge acts on, the stockpile in the cabin can produce ascending jacking force to the chain bucket system, and the force difference value is as follows:
ΔF 2 operating condition ＝G Chain bucket system -F Lifting oil cylinder -F Top lift force of material pile ，
The chain bucket material taking system 11 can move upwards under the action of the material pile jacking force, at the moment, the flexible traction cable 9 can actively release the jacking force, the chain bucket system automatically moves upwards along with the material pile, the moving support 1 also moves upwards along with the chain bucket system, meanwhile, the force sensor 7 transmits a difference value change signal to the PLC, the PLC can guide the lifting oil cylinder 5 to rapidly extend out and enable the flexible traction cable 9 to be in a tensioning state to achieve new balance, and the flexible traction cable is accelerated by the speed-increasing pulley block 8 on the upper part of the rod cavity of the lifting oil cylinder 5, so that the chain bucket system can be rapidly separated from the material pile, further, the anti-surge protection is realized, and the chain bucket system is prevented from being damaged under the action of surge. When the surge disappears, force sensor 7 can send a signal once more, and lift cylinder 5 can retract fast, makes chain bucket and stockpile contact once more, continues to get the material operation, and whole process response is quick, safe and reliable, does not influence chain bucket and gets material system 11 operating efficiency.
The above description is intended to be illustrative, and not restrictive, the scope of the invention being indicated by the claims, and all changes that come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.
Claims (5)
1. The utility model provides a unrestrained equipment of avoiding of chain bucket feeding system, includes chain bucket feeding system (11), its characterized in that: a trolley (12) is mounted on the chain bucket material taking system (11), a connecting beam (10) is mounted on a supporting structure of the chain bucket material taking system (11), two ends of the connecting beam (10) extend outwards, and the connecting beam (10) and the supporting structure of the chain bucket material taking system (11) form a cross hinged form;
opposite fixed supports (2) are arranged at two ends of the chain bucket material taking system (11), a single fixed support (2) is of a door-shaped structure, a movable support (1) is arranged inside the fixed support (2), and the movable support (1) is lifted along the fixed support (2);
two ends of the connecting beam (10) are locked with the movable bracket (1) through fasteners;
lifting oil cylinders (5) are further mounted at two ends of the chain bucket material taking system (11) respectively, the lifting oil cylinders (5) are connected with a trolley (12), a pulley block (8) is mounted at the head of a piston rod of each lifting oil cylinder (5), a traction cable (9) is wound on each pulley block (8), one end of each traction cable (9) is fixed on the corresponding movable support (1), and the other end of each traction cable is fixed on the corresponding trolley (12); outer guide supporting wheels (3) are installed at the upper positions of the outer sides of the two ends of the fixed support (2) respectively, and inner guide supporting wheels (4) are installed at the lower positions of the two ends of the movable support (1) respectively.
2. The wave avoidance apparatus of a bucket reclaimer system as set forth in claim 1, wherein: and a force sensor (7) is arranged on the traction cable (9).
3. The wave avoidance apparatus of a bucket reclaimer system as set forth in claim 1, wherein: the traction cable (9) adopts a flexible soft cable, and the traction cable (9) releases external pressure load.
4. The wave avoidance apparatus for a bucket chain reclaiming system as in claim 1 wherein: the inner side of the movable support (1) is provided with a support frame (6) through a support rod, and the support frame (6) is provided with a pulley block (8) through a support shaft.
5. A method of using the wave avoidance apparatus of the bucket reclaimer system of claim 1, wherein:
when the lifting oil cylinder (5) does telescopic action, the free end of the traction cable (9) is driven to lift through the pulley block (8), and then the movable bracket (1) and the chain bucket material taking system (11) are driven to integrally lift,
the lifting speed V = V of the chain bucket material taking system (11) Oil cylinder ×m
Wherein: m is the multiplying power of the pulley block (8);
during cabin cleaning operation, the working pressure of the lifting oil cylinder (5) is adjusted according to the feedback value of the force sensor (7), so that the chain bucket material taking system (11) and the rest material layers are in a small-pressure suspension contact state, and the chain bucket cabin cleaning operation is realized;
the difference is ensured by the operation of a PLC system through the working pressure of the lifting oil cylinder (5) and the feedback data of the force sensor (7):
ΔF 1 operating condition ＝G Chain bucket system -F Lifting oil cylinder ；
When surging acts on, the material pile in the cabin can produce ascending jacking force to the chain bucket material taking system (11), and the force difference value is as follows:
ΔF 2 operating condition ＝G Chain bucket system -F Lifting oil cylinder -F Jacking of material pileForce of ，
The chain bucket reclaiming system (11) can move upwards under the action of the jacking force of a material pile, at the moment, the flexible traction cable (9) can actively release the jacking force, so that the chain bucket reclaiming system (11) automatically moves upwards along with the material pile, the movable support (1) also moves upwards along with the chain bucket reclaiming system (11), meanwhile, a force sensor (7) transmits a force difference change signal to a PLC (programmable logic controller), the PLC can guide the lifting oil cylinder (5) to rapidly extend out and enable the flexible traction cable (9) to be in a tensioning state again to achieve new balance, and the chain bucket reclaiming system (11) can be rapidly separated from the material pile by accelerating the accelerating pulley block (8) on the upper part of the rod cavity of the lifting oil cylinder (5), so that anti-surge protection is realized, and the chain bucket reclaiming system (11) is prevented from being damaged under the action of surge; when the surge disappears, the force sensor (7) sends a signal again, the lifting oil cylinder (5) can retract rapidly, the chain bucket and the material pile are contacted again, and the material taking operation is continued.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110843053.XA CN115676430A (en) | 2021-07-26 | 2021-07-26 | Wave avoiding equipment of chain bucket material taking system and using method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110843053.XA CN115676430A (en) | 2021-07-26 | 2021-07-26 | Wave avoiding equipment of chain bucket material taking system and using method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115676430A true CN115676430A (en) | 2023-02-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110843053.XA Pending CN115676430A (en) | 2021-07-26 | 2021-07-26 | Wave avoiding equipment of chain bucket material taking system and using method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115676430A (en) |
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2021
- 2021-07-26 CN CN202110843053.XA patent/CN115676430A/en active Pending
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