CN104507837B - Unloader - Google Patents
Unloader Download PDFInfo
- Publication number
- CN104507837B CN104507837B CN201380036356.4A CN201380036356A CN104507837B CN 104507837 B CN104507837 B CN 104507837B CN 201380036356 A CN201380036356 A CN 201380036356A CN 104507837 B CN104507837 B CN 104507837B
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- China
- Prior art keywords
- unloader
- energy
- bulk cargo
- chute
- swing arm
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G17/00—Conveyors having an endless traction element, e.g. a chain, transmitting movement to a continuous or substantially-continuous load-carrying surface or to a series of individual load-carriers; Endless-chain conveyors in which the chains form the load-carrying surface
- B65G17/12—Conveyors having an endless traction element, e.g. a chain, transmitting movement to a continuous or substantially-continuous load-carrying surface or to a series of individual load-carriers; Endless-chain conveyors in which the chains form the load-carrying surface comprising a series of individual load-carriers fixed, or normally fixed, relative to traction element
- B65G17/126—Bucket elevators
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G65/00—Loading or unloading
- B65G65/30—Methods or devices for filling or emptying bunkers, hoppers, tanks, or like containers, of interest apart from their use in particular chemical or physical processes or their application in particular machines, e.g. not covered by a single other subclass
- B65G65/34—Emptying devices
- B65G65/40—Devices for emptying otherwise than from the top
- B65G65/48—Devices for emptying otherwise than from the top using other rotating means, e.g. rotating pressure sluices in pneumatic systems
- B65G65/4881—Devices for emptying otherwise than from the top using other rotating means, e.g. rotating pressure sluices in pneumatic systems rotating about a substantially horizontal axis
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G67/00—Loading or unloading vehicles
- B65G67/60—Loading or unloading ships
- B65G67/606—Loading or unloading ships using devices specially adapted for bulk material
Abstract
The present invention provides a kind of unloader.The unloader of the present invention possesses: bucket elevator (9), unloading bulk cargo (M)；Swing arm carrier (39), the bulk cargo (M) that carrying bucket elevator (9) is unloaded；Falling portion (60), the bulk cargo (M) making swing arm carrier (39) be carried falls；Impeller (65), becomes electric energy by the potential energy converting and energy of the bulk cargo (M) fallen from the portion of falling (60)；Booster engine (66) and electromotor (67).So, it is possible to the electric energy after potential energy during unloading bulk cargo (M) is converted into when falling electric energy and can utilize conversion.
Description
Technical field
The present invention relates to a kind of unloader unloading object.
Background technology
In the past, as the technology in this field, it is known to the unloader of following patent documentation 1.This unloader possesses to be sling
The grab bucket of bulk, receive the bulk of grab bucket and be carried to the Traverse Displacement Unit of hopper.In this unloader, by grab bucket is declined
Time the regenerated electric power that produces be used as the part of moving electric power of Traverse Displacement Unit, it is possible to reduce power consumption.
Conventional art document
Patent documentation
Patent documentation 1: Japanese Unexamined Patent Publication 2011-213461 publication
Summary of the invention
The technical task that invention is to be solved
But, in above-mentioned unloader, the bulk that grab bucket is sling simply is cast from Traverse Displacement Unit.Therefore, at energy
The aspect that effectively utilizes also have room for improvement, it is desirable to improve energy efficiency.
It is an object of the invention to provide a kind of unloader improving energy efficiency.
For solving the means of technical task
The unloader of the present invention possesses: uninstalling portion, unloads object；Trucking department, is transported through the object of uninstalling portion unloading
Thing；Fall portion, make the object come by trucking department carrying fall；And converter section, by from the object fallen under clan
Potential energy converting and energy becomes electric energy.
According to possessing the said structure of converter section, potential energy during unloading object is converted into electricity when object falls
Energy.Thereby, it is possible to utilize the electric energy after conversion, therefore, it is possible to effectively utilize by energy produced by the lifting of goods, and can
Improve energy efficiency.
Further, uninstalling portion can be with progressive unloading object.Now, uninstalling portion progressive unloading object, thus, object is even
Continue and drop in the portion of falling, therefore, it is possible to potential energy to be converted into continuously electric energy such that it is able to obtain a large amount of and stable electric energy.
Further, converter section also can have the impeller by rotating with the collision of object.Now, it is possible to simple knot
Structure realizes becoming electric energy effectively to utilize the structure of energy potential energy converting and energy.
Further, the portion of falling also can possess guide portion, and this guide portion guides object to make the blade collision of object and impeller.
Now, it is possible to make more object collide with blade, therefore, it is possible to improve energy efficiency further.
Further, the portion of falling also can possess the chute of tubular, and object falls in the inside of chute.Now, due to object
The diffusion being thus able to suppress the dust etc. from object generation is fallen in the inside of chute.
Further, impeller may also set up the lower end side in chute, and, may also set up for storage object in the downside of chute
The hopper of thing, impeller may also set up in the higher position of storage limiting altitude than the object in hopper.Now, it is possible to elongate
Fall the distance up and down between the upper end in portion and impeller, therefore, it is possible to increase potential energy and be derived from more electric energy.
And, it is possible to the observation window that can observe inside is set at chute.Now, it is possible to from the external observation chute of chute
Internal impeller, therefore, it is possible to easily carry out the maintenance of the impeller etc. within chute.
The unloader of the present invention is the unloader of the bucket elevator formula of the bucket elevator possessing continuous transport object,
This bucket elevator has shovel and takes and load multiple scraper bowls of object and keep the loop chain of multiple scraper bowl, this unloader to possess:
Transducer, is connected with power supply；Inverter, is connected with transducer；Load motor, is connected with inverter, transducer and inverter warp
Dc bus connects, and transducer utilizes the energy produced by the braking maneuver of load motor to carry out energy regeneration.
According to possessing the said structure of transducer, the energy produced by the braking maneuver of load motor is converted into electric energy
To carry out energy regeneration.Thus, when brake is braked action, energy will not be discharged in air with the form of heat,
And above-mentioned energy regeneration is electric energy, therefore, it is possible to improve energy efficiency.
Drive loop chain additionally, load motor is alternatively and makes the motor of its cincture, loop chain when conveying object towards pros
To cincture, transducer carries out energy regeneration when loop chain rotates in the opposite direction.Now, system during chain cincture in the opposite direction is utilized
Action carries out energy regeneration, therefore, it is possible to effectively utilize energy when reversely rotating to improve energy efficiency.
Additionally, unloader also can possess: the main part above harbour can be arranged at and be arranged to relative to main body
Portion rotates and is provided with the swing arm of bucket elevator, and load motor alternatively makes the motor that swing arm rotates.Additionally, unloader also may be used
Possessing the girder that can travel on harbour, load motor alternatively makes the motor that girder travels.
A kind of unloader improving energy efficiency can be provided according to the present invention.
Accompanying drawing explanation
Fig. 1 is the figure representing the unloader involved by the 1st embodiment.
Fig. 2 is partly cut-away's axonometric chart on the bucket elevator top of the unloader of Fig. 1.
Fig. 3 is the axonometric chart of the inside of the unloader decline bottom representing Fig. 1.
Fig. 4 be the rightabout from Fig. 3 observe the unloader of Fig. 1 the portion that falls time axonometric chart.
Fig. 5 is to represent that Fig. 3's falls the side view of the inside of the bottom of chute and hopper in portion.
Fig. 6 is the block diagram of the schematic configuration of power system in the unloader representing Fig. 1.
Fig. 7 is to represent the block diagram of the composition of power system in the unloader involved by the 2nd embodiment.
Fig. 8 is to represent that in the unloader involved by the 2nd embodiment, the time passes through the curve chart of the relation between power consumption.
Detailed description of the invention
Hereinafter, the embodiment of involved in the present invention unloader is described in detail with reference to the accompanying drawings.
(the 1st embodiment)
As shown in Figures 1 and 2, unloader 1 is the boats and ships continuous unloader (CSU) of bucket elevator formula, for from boats and ships
Cabin 103 unload the device of object i.e. bulk cargo M (such as coke or Ore etc.) continuously.Unloader 1 possesses: by with code
The girder 2 that 2 guide rail 3a of 101 parallel laid can travel along this harbour 101.Girder 2 is for may be disposed at above harbour 101
Main part.Girder 2 rotatably supports rotating frame 5, before the swing arm 7 that this rotating frame 5 laterally projects
Overhang bracket has bucket elevator 9 (uninstalling portion).Bucket elevator 9 is by the gimbal lever 12 and counterweight 13, with the Undulating angle of swing arm 7
Bucket type promotion and demotion 9 are independently kept vertical by degree.
Unloader 1 possesses the cylinder body 15 of the undulation angle for adjusting swing arm 7.If making this cylinder body 15 extend, then swing arm 7 meeting
Making upward bucket elevator 9 increase, if making this cylinder body 15 shorten, then swing arm 7 can make bucket elevator 9 downward
Decline.
Bucket elevator 9 excavates the shovel of mode and takes portion 11 by being arranged at the side of its underpart, excavates continuously and shovel takes ship
Bulk cargo M in cabin 103, and carrying is shoveled the bulk cargo M taken to unload bulk cargo M upward.
Bucket elevator 9 possesses the elevator main body 23 of composition elevator shaft 21 and carries out ring relative to elevator main body 23
Chain bucket 29 around motion.Chain bucket 29 possesses: connect to ring-type a pair roller chain i.e. chain (loop chain) 25, two ends by this one
Multiple scraper bowls 27 to chain 25 supporting.Specifically, 2 chains 25 are arranged side by side along the direction orthogonal with the paper of Fig. 1, as
Shown in Fig. 2, each scraper bowl 27 is installed on this chain 25,25 via the installed part of regulation in the way of being suspended between 2 chains 25
On.
Additionally, bucket elevator 9 is also equipped with: hang driving roller 31a, 31b, the 31c being wound with chain 25；Guide turning of chain 25
To roller 33.Drive roller 31a to be arranged at the topmost 9a of bucket elevator 9, drive roller 31b to be arranged at shovel and take the front portion in portion 11, drive
Action roller 31c is arranged at shovel and takes the rear portion in portion 11.Slewing rollers 33 are the driven voller slightly below being positioned at and driving roller 31a, are used for guiding
Chain 25 and change the direct of travel of chain 25.And, between roller 31b and driving roller 31c, cylinder body 35 is installed driving, logical
Cross the flexible of this cylinder body 35 and change two arranging axle bases driving roller 31b, 31c, it is possible to change the shifting of chain bucket 29
Rotating ring is around track.It addition, chain 25 exists 2, roller 31a, 31b, 31c and slewing rollers 33 are therefore driven also to be respectively present 2, and
And be arranged side by side along the direction orthogonal with the paper of Fig. 1.
Drive roller 31a, 31b, 31c to drive chain 25, thus make chain 25 relative to elevator main body 23 with the rail specified
Mark is directed around mobile (towards positive direction around motion) to arrow W, and chain bucket 29 takes portion at the topmost 9a of bucket elevator 9 with shovel
Between 11 shift(ing) ring around and circulate.
As in figure 2 it is shown, the scraper bowl 27 of chain bucket 29 is so that peristome 27a posture upward rises.Further, at bucket elevator
The topmost 9a of 9, by drive roller 31a time, the direction of chain 25 by being converted to down upward, the peristome 27a of scraper bowl 27
Upset is for down.Discharge chute 36 formed below at the peristome 27a of the scraper bowl 27 so become down.This discharge is used
The lower end of chute 36 is connected with the rotary disc feeder 37 of the periphery being disposed in bucket elevator 9.
Rotary disc feeder 37 is for being carried to swing arm 7 side by the bulk cargo M taken out of from discharge chute 36.As it is shown in figure 1,
Being configured with the trucking department i.e. swing arm carrier 39 of the bulk cargo M that carrying bucket elevator 9 is unloaded on swing arm 7, this swing arm carries
The bulk cargo M received from rotary disc feeder 37 is supplied to described later fall portion 60 by device 39.It is configured with in the lower section in the portion of falling 60
It is positioned at belt feeder 43 and the carrier 45 of unloader.
This unloader 1 is used to be carried out as follows the unloading of bulk cargo M.The shovel of the bottom of bucket elevator 9 is taken portion 11 insert
Enter in cabin 103, make chain 25 being directed around of arrow W in figure.Consequently, it is possible to be positioned at shovel, to take the scraper bowl 27 in portion 11 continuous
The excavation and the shovel that carry out the bulk cargo M such as coke and Ore take.Then, by these scraper bowls 27 shovel bulk cargo M of taking and loading along with
The rising of chain 25 and be carried to the topmost 9a of bucket elevator 9 along the top of vertical.
Afterwards, scraper bowl 27 is by driving the position of roller 31a, and bulk cargo M is overturn by this scraper bowl 27 and falls from scraper bowl 27.From
In the bulk cargo M that scraper bowl 27 falls drops into discharge chute 36 and take out of to rotary disc feeder 37 side, then transfer in swing arm
Carrier 39 and be carried to the upper end in the portion of falling 60.Then, bulk cargo M falls from the portion of falling 60, via belt feeder 43 and
Carrier 45 in machine and take out of land side apparatus 49.Utilize multiple scraper bowl 27 that above action, thus progressive unloading are repeated
Bulk cargo M in cabin 103.
But, in conventional unloader, fail effectively to utilize by energy produced by the lifting of bulk cargo, existing can dose-effect
The problem that rate is low.To this, in the unloader 1 of present embodiment, it is effectively utilized bulk cargo M and falls the gesture when the portion 60 of falling
Energy.Described further below fall portion 60.
As shown in Fig. 3～Fig. 5, fall portion 60 and possess: the chute 61 of the tubular for making bulk cargo M fall, reception are through cunning
The hopper 68 of the internal bulk cargo M fallen of groove 61.Lower end side at chute 61 is provided with to be possessed by the collision with bulk cargo M
The impeller 65 of the blade 65a rotated.Chute 61 is formed as, along with the area reduction of its inner space downward, by so
Formed, it is possible to define the path that falls of the bulk cargo M that falls through inside, and the dust etc. produced from bulk cargo M can be suppressed
Diffusion.
The top of chute 61 is provided with guided plate 62a, 62b, and this guided plate 62a, 62b receive by swing arm carrier 39
The bulk cargo M that carrying comes, and guide bulk cargo M so that the blade 65a of bulk cargo M and impeller 65 collides.Guided plate 62a sets
Being set to extend up and down in the position opposed with swing arm carrier 39, guided plate 62b is arranged to the bottom of slave arm carrier 39 and inclines
Tiltedly extend.Guided plate 62a, 62b are arranged to opposite each other, by the swing arm carrier 39 bulk cargo M that comes of carrying with draw
Guide plate 62a, 62b collide, and fall and collide with the unilateral blade 65a of impeller 65 in chute 61.It addition, in order to make to dissipate
Loading M collides with the unilateral blade 65a of impeller 65, and preferably guided plate 62a is arranged on and more leans on guided plate than the center of impeller 65
62b side.
Further, chute 61 is provided with observing its internal observation window 63.Observation window 63 for example, opening.Operation
Persons etc. can observe the impeller 65 within chute 61 from this observation window 63, it is possible to easily carries out the maintenance etc. of impeller 65.It addition,
The structure of observation window 63, position and number are not particularly limited.That is, what observation window 63 can not be as shown in Figures 3 and 4 is simple
Opening, such as, can be provided with opening and closing door freely.
Impeller 65 is possessing 8 blade 65a on the axle portion 65b that horizontally extending axle rotates, and fall is in bulk
Goods M and blade 65a collides, and thus makes axle portion 65b rotate.Being formed in part with for inserting axle of impeller 65 behind of chute 61
The hole portion (not shown) of portion 65b, as shown in Figure 4, is provided with speed increaser 66 outside this hole portion.Further, with speed increaser 66 phase
Adjacent position is provided with electromotor 67.Axle portion 65b is connected with speed increaser 66, and the rotation of axle portion 65b is transferred to speed increaser 66, speedup
Device 66 increases the rotating speed of this rotation and is transferred to electromotor 67.So, bulk cargo M and blade 65a the axle portion obtained is collided
The rotation of 65b is transferred to electromotor 67 through speed increaser 66, is converted into electric energy by electromotor 67.
Hopper 68 is used for storing bulk cargo M, is arranged at the downside of chute 61 as shown in Figure 5.Hopper 68 is in tubular, and is formed
For along with the area reduction of its inner space downward.Further, hopper 68 is provided with possessing the blade rotated in the horizontal direction
The limit switch 69 of 69a.The height and position of the blade 69a of limit switch 69 is high with the storage limit of the bulk cargo M in hopper 68
L is consistent for degree.Thus, the bulk cargo M being deposited in hopper 68 not yet reaches under the state storing limiting altitude L, and blade 69a continues
Rotating, if bulk cargo M reaches to store limiting altitude L, then bulk cargo M hinders the rotation of blade 69a, and blade 69a stops the rotation.Limit
The state that bit switch 69 stops the rotation by detecting this blade 69a detects that bulk cargo M reaches to store the shape of limiting altitude L
State, and to control portion (not shown) output signal of unloader 1.
If control portion receives the signal from limit switch 69, then control bucket elevator 9 and swing arm carrier 39
Action, the carrying of the bulk cargo M that the unloading of the bulk cargo M that stopping bucket elevator 9 is carried out and swing arm carrier 39 are carried out.
Further, control portion controls bucket elevator 9 and swing arm carrier 39, so that the amount of the bulk cargo M fallen from the portion of falling 60 is constant,
Such as reduce scraper bowl 27 and the translational speed of swing arm carrier 39 when bucket elevator 9 unloads bulk cargo M in a large number, at bucket type liter
When the discharging quantity of the bulk cargo M of fall machine 9 is less, accelerate scraper bowl 27 and the translational speed of swing arm carrier 39, when thus making unit
The amount of the interior bulk cargo M fallen from the portion of falling 60 becomes constant.
Additionally, the electric energy as changed above by electromotor 67 supplies the power-supply system 70 to unloader 1 as shown in Figure 6
In for driving the load motor 75 of above-mentioned driving roller 31a, 31b, 31c.Power-supply system 70 possesses: this load motor 75, electricity
Source 71, transformator 72, AC/AC transducer 73 and inverter 74.Transformator 72, AC/AC transducer 73 and inverter 74 are arranged at
The electric panel room E of unloader 1.
Power supply 71 is ground power supply, and it supplies alternating electromotive force to transformator 72.The friendship that transformator 72 will be supplied by power supply 71
The voltage of stream electric power is converted into predetermined voltage and supplies to inverter 74.Inverter 74 supplies from transformation to load motor 75
The supply electric power of device 72, load motor 75 is operated by the electric power from inverter 74.So, by making load motor 75 transport
Turn, make driving roller 31a, 31b, 31c drive, so that chain 25 is directed around towards arrow W, make bucket elevator 9 drive.
Further, in the present embodiment, possessing electromotor 67 and AC/AC transducer 73 as above-mentioned, electromotor 67 is to AC/
AC transducer 73 supplies electric power.The frequency of AC/AC transducer 73 electric power of self generator 67 in the future is converted into predetermined frequency also
Supply power to inverter 74.Then, inverter 74 plays following effect, will be from the supply electricity of AC/AC transducer 73
Power supply, to load motor 75, assists the power supply from power supply 71 to load motor 75.
Above, at the unloader 1 involved by present embodiment, owing to possessing the performance impeller 65 of converter section effect, speedup
Device 66 and electromotor 67, thus potential energy during unloading bulk cargo M is converted into electric energy when falling, and after conversion can being utilized
Electric energy, therefore, it is possible to effectively utilize by energy produced by the lifting of bulk cargo M, it is possible to increase energy efficiency.Further, it is possible to
Electric power is supplied, therefore, it is possible to reduce the power consumption from power supply 71, it is possible to reduce from power supply 71 to load horse from electromotor 67
Reach the capacity of the power equipment of 75 supply electric power, reduce equipment cost.
Further, unloader 1 is the continuous unloader of bucket elevator formula, as it has been described above, bucket elevator 9 can unload continuously
Carry bulk cargo M and the potential energy when the portion 60 of falling that dropped by bulk cargo M is converted into electric energy continuously, therefore, it is possible to obtain a large amount of and steady
Fixed electric energy.
Further, possesses impeller 65 as converter section, therefore, it is possible to realize can effectively utilizing energy dose-effect with simple structure
The structure of rate, is additionally, since and possesses guided plate 62a, the 62b playing guide portion effect, it is possible to make more bulk cargo M and impeller
65a collides, therefore, it is possible to improve energy efficiency further.
Further, impeller 65 is arranged at the lower end side of chute 61, and is arranged at the storage limit than the bulk cargo M in hopper 68
The higher position of highly L.The distance up and down between the upper end in portion 60 and impeller 65 is fallen, by increasing capacitance it is possible to increase dissipate therefore, it is possible to elongate
The loading potential energy of M and be derived from more electric energy.Further, by making bulk cargo M collide, thus with the blade 65a of impeller 65
Impact when bulk cargo M falls in hopper 68 can be relaxed.
(the 2nd embodiment)
Then, with reference to Fig. 7 and Fig. 8, the 2nd embodiment of unloader is illustrated.The unloader of the 2nd embodiment with
The unloader 1 of the 1st embodiment shown in Fig. 1 and Fig. 2 is similarly the boats and ships continuous unloader (CSU) of bucket elevator formula.
Hereinafter, parts different from the unloader 1 of the 1st embodiment in the unloader of the 2nd embodiment is stressed, omit
Repeat specification.
The unloader of the 2nd embodiment possesses: drives the scraper bowl motor (not shown) of roller 31a, 31b, 31c, make
Rotation motor (not shown) that rotating frame 5 rotates, make driving motors (not shown), driving swing arm carrier that girder 2 travels
Swing arm carrier motor (not shown) of 39.Scraper bowl motor, rotation motor, driving motors and swing arm carrier motor from
The power supply 171 of the power-supply system 170 shown in Fig. 7 obtains electric power and operates.Hereinafter, by scraper bowl motor, rotation motor and
Driving motors is as load motor 175, and is illustrated as motor 185 by swing arm carrier motor.
Power-supply system 170 possesses: above-mentioned power supply 171, transducer 172, inverter 173, load motor 175, power are opened
Pass 182 and motor 185.Power supply 171 is source power supply, and it supplies alternating electromotive force to transducer 172.Transducer 172 will be by power supply
The alternating electromotive force of 171 supplies is converted into direct current power.Transducer 172 is connected through dc bus B with inverter 173, converted device
Direct current power after 172 conversions supplies to inverter 173 through dc bus B.Inverter 173 is by the direct current from transducer 172
Electric power is converted into the alternating electromotive force of preset frequency and supplies this alternating electromotive force to load motor 175.Load motor 175 is by coming
Operate from the alternating electromotive force of inverter 173, by the operating of load motor 175, such as, be driven roller 31a, 31b, 31c
Driving, the rotation of rotating frame 5 and the traveling of girder 2.
Further, power supply 171 supplies alternating electromotive force through power switch 182 to motor 185.Power switch 182 is catalyst, its
By/disconnection switched on from outside switching manipulation.When power switch 182 is off-state, from power supply 171 to motor
The alternating electromotive force of 185 is cut off, and when power switch 182 is conducting state, supplies alternating electromotive force from power supply 171 to motor 185.Horse
Reach 185 to be operated by the alternating electromotive force from power supply 171, by the operating of motor 185, such as, carry out swing arm carrier 39
Drive.
Additionally, in the unloader of present embodiment, come the movement to scraper bowl 27, rotating frame by brake (not shown)
When the rotation of frame 5 or the traveling of girder 2 are braked, energy during its braking is converted into electric energy.Further, in conventional unloading
In machine, damping resistance is connected with inverter, if carrying out above-mentioned braking maneuver, then electric energy is converted further into by this damping resistance
Heat energy and be discharged in air.
Owing to the weight of unloader is very big, the amount of the heat energy being therefore discharged in air is the biggest, in conventional unloading
In machine, have that energy efficiency is low and the problem of energy when cannot effectively utilize braking.Further, also deposit in conventional unloader
In following problem: in order to prevent the such as situation of swing arm rotation suddenly etc. when producing high wind etc., need substantial amounts of electric energy, and
A large amount of heat energy is produced, so that arrange chiller, additionally, damping resistance is produced not because receiving a large amount of electric energy during braking
Good impact.
To this, in the unloader of present embodiment, the energy produced by the braking maneuver of load motor 175 is turned
Change electric energy into carry out energy regeneration.Specifically, when movement, the rotation of rotating frame 5 or the traveling of girder 2 of scraper bowl 27
When being braked, will supply to transducer 172 supply of electrical energy, transducer 172 through inverter 173 and dc bus B from load motor 175
The electric energy given supplies to motor 185 through power switch 182.
Further, making scraper bowl 27 utilize gravity etc. towards the phase negative side of arrow W to discharge bulk cargo M in scraper bowl 27 etc.
When mobile, transducer 172 is also carried out energy regeneration.Now, motor 185 receives from the electric power of power supply 171 with by conversion
Electric power after device 172 regeneration operates.As the transducer 172 of so operating, such as, can enumerate IGBT transducer etc..
In the unloader involved by present embodiment, as it has been described above, transducer 172 utilizes by load motor 175
Braking maneuver and the energy that produces are to carry out energy regeneration.Thus, suppression when being braked action energy with the form of heat
Being discharged in air, above-mentioned energy is regenerated as electric energy, therefore, it is possible to suppression is cut down from the consumption of the electric power of power supply 171 supply
Cost also improves energy efficiency.And, it is possible to realize unloading energy (energy expenditure rate) required during a certain amount of bulk cargo M
Raising.
Specifically, the most as shown in Figure 8, if the consumed energy used by unloader entirety is set to energy C, braking start
Moment is set to moment t1, the end of braking moment be set to moment t2, the energy usage of conventional unloader be set to usage amount L1, basis
The energy usage of the unloader of embodiment is set to usage amount L2, then at moment t1With moment t2Between time in use
Amount L2 is less than usage amount L1 within this time, thus can reduce moment t in the unloader of present embodiment1With moment t2
Between energy C.
Further, in the unloader of present embodiment, at chain 25 towards being also carried out energy regeneration when rotating in the opposite direction, because of
This can effectively utilize energy during reverse rotation to improve energy efficiency.
Further, in the unloader of present embodiment, as it has been described above, produced by the braking maneuver of load motor 175
Energy is changed and is carried out energy regeneration, is therefore no longer necessary in conventional unloader the damping resistance used, and can press down
Make the generation of heat energy based on damping resistance.Thus, do not have substantial amounts of heat energy to release, it is not necessary to required cold when heat energy is bigger
Radiator cooler, and, it is possible to avoid damping resistance is produced dysgenic problem.
Above, embodiments of the present invention are illustrated, but the present invention is not limited to above-mentioned embodiment, can be
Do not change and deform in the range of the objective described in each claim.Such as, in the 1st embodiment, to the most right
The mode put arranges the example of 2 guided plate 62a, 62b playing guide portion effect and is illustrated, but the shape of guide portion,
Number and configuration are not limited to this example.And, it is possible to the guided plate that such as can be adjusted angle by handle etc. is set, with this
Mode replaces guided plate 62a, 62b.
Further, in the 1st embodiment, the example using the impeller 65 with 8 blade 65a is illustrated, but
Blade 65a can not be 8, and the shape of impeller 65 is also not necessarily limited to this example.Furthermore, it would however also be possible to employ the knot beyond impeller 65
Structure, as long as impact energy when can be fallen by bulk cargo M is converted into the structure of electric energy.
Further, in the 1st embodiment, the example of the lower end side that impeller 65 is arranged at chute 61 is illustrated, but
It is not limited to be arranged on the lower end side of chute 61, such as, is arranged near the central authorities of chute 61 and also may be used.
Further, in the 1st embodiment, to the example arranging impeller 65, speed increaser 66 and electromotor 67 and being used as converter section
Son is illustrated, but the structure of converter section is also not necessarily limited to this example.Replace i.e., it is possible to arrange piezoelectric element in chute 61
Impeller 65, speed increaser 66 and electromotor 67.Now, bulk cargo M is made the potential energy converting and energy of bulk cargo M to be become with piezoelectric element collision
Pressure energy, and pressure can be converted into electric energy, thus can obtain the effect identical with the 1st embodiment.
Further, in the 1st embodiment, use is possessed the limit switch 69 of the blade 69a rotated in the horizontal direction
Example is illustrated, but the structure of switch detected bulk cargo M with or without the situation reaching to store limiting altitude L is the most not
It is limited to this example.For instance, it is possible to use the switch of the internal balloon-like containing air or bar-shaped switch etc. to replace limit switch
69, any of which switch all can be detected bulk cargo M reached storage limiting altitude by contacting of bulk cargo M and switch
The situation of L.Further, this limit switch 69 may not be used yet, it is also possible to relies on operator etc. to be confirmed by visual or video camera
The storage capacity of the bulk cargo M in hopper 68.
Further, in the 1st embodiment, limit switch 69 is detected that bulk cargo M stops when having reached storage limiting altitude L
Only the example of the carrying of bulk cargo M is illustrated but it also may do not stop the carrying of bulk cargo M.Specifically, the most permissible
Do not stop the carrying of bulk cargo M, but change the speed of the unloading etc. of bulk cargo M, and, it is also possible to bulk cargo M is reached storage
Deposit the situation output of limiting altitude L and to the display etc. of operating room and carried out Non-follow control by driver.
Further, in the 1st embodiment, the electric energy after electromotor 67 is changed is used for the example of the operating of load motor 75
Son is illustrated, but other dresses that above-mentioned electric energy can also supply to the such as unloader 1 such as swing arm carrier 39 or electric light
Put, or other equipment beyond unloader 1.Furthermore, it is also possible to arrange electric storage means and store above-mentioned electric energy.
Further, in the 1st embodiment, the example applying the present invention to possess the unloader 1 of bucket elevator 9 is entered
Go explanation but it also may do not possess bucket elevator 9, it is possible to apply the present invention to the example in addition to bucket elevator formula
Unloader such as suction-type or sandwiching etc..
Further, in the 1st embodiment, the example being provided with observation window 63 at chute 61 is illustrated, but this sight
Examine window 63 can not also exist.Furthermore, it is possible to arrange video camera inside chute 61 to replace observation window 63, now, it is possible to profit
Chute 61 is observed internal with the video of video camera.
Further, in the 2nd embodiment, as the driving source i.e. load motor 175 of generation regenerated energy, exemplified with scraper bowl
With motor, rotation motor and driving motors, but it is not limited to these as the driving source producing regenerated energy, such as, also is able to use
The brake that anti-stopper arms rotates because of wind.Now, it is possible to obtain substantial amounts of regenerated energy when producing high wind.
Further, in the 2nd embodiment, regenerated energy is supplied to swing arm carrier motor i.e. motor 185, but does not limits
In motor 185, it is also possible to other devices in unloader or the supply regenerated energy of other equipment beyond unloader.Furthermore,
Electric storage means can be set to store regenerated energy.
Industrial applicability
The present invention is applicable to improve the unloader of energy efficiency.
Symbol description
1-unloader, 2-girder (main part), 7-swing arm, 9-bucket elevator (uninstalling portion), 25-chain (loop chain), 27-
Scraper bowl, 39-swing arm carrier (trucking department), 60-fall portion, 61-chute, 62a, 62b-guided plate (guide portion), 63-observation
Window, 65-impeller (converter section), 65a-blade, 66-speed increaser (converter section), 67-electromotor (converter section), 68-hopper, 171-
Power supply, 172-transducer, 173-inverter, 175-load motor, B-dc bus, L-stores limiting altitude, and M-bulk cargo is (right
As thing).
Claims (7)
1. a unloader, for possessing the unloader of the bucket elevator formula of the bucket elevator of continuous transport object, this bucket
Formula elevator has shovel and takes and load multiple scraper bowls of object and keep the loop chain of the plurality of scraper bowl, the feature of this unloader
It is possess:
Swing arm, can rise and fall and be supported with described bucket elevator in the front end of this swing arm；
Trucking department, is transported through the described object of described bucket elevator unloading；
Fall portion, make the described object come by the carrying of described trucking department fall；
Converter section, will become electric energy from the potential energy converting and energy of the described described object fallen under clan；
Transducer, is connected with power supply；
Inverter, is connected with described transducer；And
Load motor, is connected with described inverter,
Described transducer is connected through dc bus with described inverter,
Described transducer utilizes the energy produced by the braking maneuver of described load motor to carry out energy regeneration,
Described trucking department is arranged on described swing arm,
Described converter section has the impeller by rotating with the collision of described object,
The described portion of falling possesses the chute of guide portion and tubular, and this guide portion guides described object to make described object with described
The blade collision of impeller,
Described chute is formed as, along with the region of its inner space upward becomes big,
Described object falls in the inside of described chute,
Described impeller is arranged at the lower end side of described chute.
Unloader the most according to claim 1, it is characterised in that
Described load motor is to drive described loop chain and make the motor of its cincture,
Described loop chain carry described object time towards positive direction cincture,
Described transducer carries out described energy regeneration when described loop chain rotates in the opposite direction.
Unloader the most according to claim 1, it is characterised in that
Described unloader possesses: can be arranged at the main part above harbour, be arranged to rotate relative to described main part
And it is provided with the swing arm of described bucket elevator,
Described load motor is the motor making described swing arm rotate.
Unloader the most according to claim 1, it is characterised in that
Possess the girder that can travel on harbour,
Described load motor is the motor making described girder travel.
Unloader the most according to claim 1, it is characterised in that
Object described in described uninstalling portion progressive unloading.
Unloader the most according to claim 1, it is characterised in that
The hopper for storing described object it is provided with in the downside of described chute,
Described impeller is arranged at the higher position of storage limiting altitude than the described object in described hopper.
Unloader the most according to claim 1, it is characterised in that
It is provided with observing its internal observation window at described chute.
Applications Claiming Priority (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2012-178423 | 2012-08-10 | ||
| JP2012178423A JP5940412B2 (en) | 2012-08-10 | 2012-08-10 | Unloader |
| JP2012198468A JP5936964B2 (en) | 2012-09-10 | 2012-09-10 | Continuous unloader |
| JP2012-198468 | 2012-09-10 | ||
| PCT/JP2013/066246 WO2014024563A1 (en) | 2012-08-10 | 2013-06-12 | Unloader |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104507837A CN104507837A (en) | 2015-04-08 |
| CN104507837B true CN104507837B (en) | 2016-12-07 |
Family
ID=50067805
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201380036356.4A Active CN104507837B (en) | 2012-08-10 | 2013-06-12 | Unloader |
Country Status (4)
| Country | Link |
|---|---|
| KR (1) | KR101766774B1 (en) |
| CN (1) | CN104507837B (en) |
| TW (1) | TWI583611B (en) |
| WO (1) | WO2014024563A1 (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110759065A (en) * | 2019-10-16 | 2020-02-07 | 安徽方园塑胶有限责任公司 | Material transfer point chute system with power generation buffer drum |
| CN110949939A (en) * | 2019-12-11 | 2020-04-03 | 枣庄鑫金山智能机械股份有限公司 | Vertical transportation structure for sand aggregate exploitation |
| IT201900025327A1 (en) * | 2019-12-23 | 2021-06-23 | Demetrio Branca | EQUIPMENT FOR THE TRANSPORT OF INERT MATERIAL |
| CN114341034A (en) * | 2020-01-15 | 2022-04-12 | Ihi运搬机械株式会社 | Rain shielding device for nozzle |
| CN112591497B (en) * | 2020-12-09 | 2022-07-12 | 江苏祥瑞港机设备有限公司 | Automatic environment-friendly type telescopic amplitude-variable ship loader |
| CN115140250B (en) * | 2022-09-01 | 2022-11-18 | 山东金科星机电股份有限公司 | Crane capable of storing electricity and loading on ship |
Family Cites Families (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB591558A (en) * | 1946-03-04 | 1947-08-21 | Fredrich Gans | Improvements in or relating to low power motors |
| US3987307A (en) * | 1974-12-11 | 1976-10-19 | Giconi Renell A | Particulate material powered prime mover |
| JPS57173573A (en) * | 1981-04-17 | 1982-10-25 | Kiyoshi Okui | Solid gravitational turbine |
| EP0748750B1 (en) * | 1995-06-16 | 1999-03-24 | Ishikawajima-Harima Heavy Industries Co., Ltd. | Continuous unloader |
| JP3453261B2 (en) * | 1996-11-08 | 2003-10-06 | 三菱重工業株式会社 | Control method of unloading amount of continuous unloader |
| CN2298233Y (en) * | 1997-05-09 | 1998-11-25 | 上海船舶设备研究所 | Bucket lift |
| JPH1159916A (en) * | 1997-08-21 | 1999-03-02 | Ishikawajima Harima Heavy Ind Co Ltd | Continuous unloader |
| JP2000344351A (en) * | 1999-05-31 | 2000-12-12 | Kawasaki Steel Corp | Bucket elevator driving method for continuous type unloader |
| JP2000351427A (en) * | 1999-06-09 | 2000-12-19 | Satake Eng Co Ltd | Powder/grain shock absorber with power generation function |
| JP4369591B2 (en) * | 2000-03-14 | 2009-11-25 | 石川島運搬機械株式会社 | Continuous unloader |
| JP4067425B2 (en) * | 2003-02-21 | 2008-03-26 | 株式会社椿本チエイン | Article sorting and unloading device |
| JP2005145702A (en) * | 2003-11-19 | 2005-06-09 | Toshiba Elevator Co Ltd | Elevator |
| JP5422966B2 (en) * | 2008-10-28 | 2014-02-19 | 三菱電機株式会社 | Elevator control method and system |
| JP5751764B2 (en) * | 2010-06-30 | 2015-07-22 | 三菱重工マシナリーテクノロジー株式会社 | Crane control device and crane device |
-
2013
- 2013-06-12 KR KR1020157000490A patent/KR101766774B1/en active IP Right Grant
- 2013-06-12 CN CN201380036356.4A patent/CN104507837B/en active Active
- 2013-06-12 WO PCT/JP2013/066246 patent/WO2014024563A1/en active Application Filing
- 2013-07-16 TW TW102125380A patent/TWI583611B/en active
Also Published As
| Publication number | Publication date |
|---|---|
| TWI583611B (en) | 2017-05-21 |
| WO2014024563A1 (en) | 2014-02-13 |
| KR101766774B1 (en) | 2017-08-09 |
| TW201408572A (en) | 2014-03-01 |
| KR20150021999A (en) | 2015-03-03 |
| CN104507837A (en) | 2015-04-08 |
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