WO2013175919A1 - 連続アンローダ - Google Patents

連続アンローダ Download PDF

Info

Publication number
WO2013175919A1
WO2013175919A1 PCT/JP2013/061777 JP2013061777W WO2013175919A1 WO 2013175919 A1 WO2013175919 A1 WO 2013175919A1 JP 2013061777 W JP2013061777 W JP 2013061777W WO 2013175919 A1 WO2013175919 A1 WO 2013175919A1
Authority
WO
WIPO (PCT)
Prior art keywords
bucket elevator
continuous unloader
roller
endless chain
main body
Prior art date
Application number
PCT/JP2013/061777
Other languages
English (en)
French (fr)
Japanese (ja)
Inventor
一郎 三玉
治彦 続木
Original Assignee
住友重機械工業株式会社
住友重機械搬送システム株式会社
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Priority claimed from JP2012116691A external-priority patent/JP5944227B2/ja
Priority claimed from JP2012116698A external-priority patent/JP2013241260A/ja
Priority claimed from JP2012140894A external-priority patent/JP6000683B2/ja
Priority claimed from JP2012140901A external-priority patent/JP2014005105A/ja
Application filed by 住友重機械工業株式会社, 住友重機械搬送システム株式会社 filed Critical 住友重機械工業株式会社
Priority to CN201380009074.5A priority Critical patent/CN104203782B/zh
Priority to KR1020147022382A priority patent/KR101825780B1/ko
Publication of WO2013175919A1 publication Critical patent/WO2013175919A1/ja

Links

Images

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
    • B65G67/00—Loading or unloading vehicles
    • B65G67/60—Loading or unloading ships
    • 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
    • B65G65/02—Loading or unloading machines comprising essentially a conveyor for moving the loads associated with a device for picking-up the loads
    • B65G65/06—Loading or unloading machines comprising essentially a conveyor for moving the loads associated with a device for picking-up the loads with endless scraping or elevating pick-up conveyors
    • 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
    • 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
    • B65G65/02—Loading or unloading machines comprising essentially a conveyor for moving the loads associated with a device for picking-up the loads
    • B65G65/16—Loading or unloading machines comprising essentially a conveyor for moving the loads associated with a device for picking-up the loads with rotary pick-up conveyors
    • B65G65/20—Paddle wheels
    • 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

Definitions

  • the present invention relates to a bucket elevator type continuous unloader.
  • a bucket elevator described in Patent Document 1 below is known as a technique in such a field.
  • This bucket elevator is provided with a chain bucket that moves endlessly in the elevator shaft.
  • the chain bucket has two chains that are circulated by a plurality of drive rollers, and a large number of buckets that are attached so as to be suspended between the two chains.
  • a large number of circulating buckets scrape and load the bulk load, so that the bulk load can be continuously conveyed.
  • This type of bucket elevator type continuous unloader is related to the cargo handling capacity, so it is difficult to reduce the size of the continuous unloader while satisfying the required cargo handling capacity.
  • this type of continuous unloader in order to reduce the size without sacrificing the cargo handling capability, it is conceivable to increase the speed of the chain bucket.
  • the vibration generated in the bucket elevator increases, so that the speed of the chain bucket cannot be easily increased.
  • an object of the present invention is to provide a continuous unloader that can be miniaturized while maintaining cargo handling capability.
  • the roller portion is involved in the vibration generated in the bucket elevator as a relatively large vibration source due to the collision with the chain.
  • the roller portion includes a driving roller that guides and drives the chain, and a turning roller that guides and turns the chain. Then, focusing on the fact that the vibration of the bucket elevator and the continuous unloader as a whole is reduced by reducing the vibration caused by the roller section, the present invention has been completed based on this finding.
  • the present invention provides the following continuous unloaders [1] to [18].
  • a bucket elevator type continuous unloader including a bucket elevator for continuously conveying an object,
  • the bucket elevator is A plurality of buckets for scraping and loading the object;
  • An endless chain to which the plurality of buckets are attached;
  • the roller part is A ring portion located at a circumferential outer edge and contacting the endless chain;
  • the ring part is A continuous unloader supported by the bucket elevator main body via a radial vibration damping member that suppresses vibration in the rotational radial direction.
  • the roller portion is The ring portion; A rotating shaft provided around the central axis; A wheel portion connecting the rotating shaft portion and the ring portion,
  • the radial vibration damping member is The continuous unloader according to [2], wherein the continuous unloader is included in the wheel portion.
  • the wheel portion An outer peripheral portion having a spoke composed of a straight member extending along a radius;
  • the wheel portion An inner peripheral portion having a spoke composed of a straight member extending along a radius;
  • the wheel portion is An outer peripheral portion made of the radial vibration damping member, and an inner peripheral portion having a disk shape inside the outer peripheral portion,
  • a bucket elevator type continuous unloader including a bucket elevator that continuously conveys an object,
  • the bucket elevator is A plurality of buckets for scraping and loading the object;
  • An endless chain to which the plurality of buckets are attached;
  • the roller part is A rotating shaft that can rotate around the rotation axis;
  • a ring portion located at a circumferential outer edge and contacting the endless chain;
  • the wheel part is A continuous unloader comprising a plate-like member having a shape filling the entire region between the rotating shaft portion and the ring portion when viewed in the direction of the rotating axis.
  • the wheel portion is The continuous unloader according to [8], including a plurality of the plate-like members arranged in parallel in the rotation axis direction.
  • the wheel portion is The continuous unloader according to [8], including only one plate-like member.
  • the wheel portion is The continuous unloader according to any one of [8] to [10], further comprising a reinforcing material for reinforcing the plate member.
  • a bucket elevator type continuous unloader including a bucket elevator that continuously conveys an object,
  • the bucket elevator is A plurality of buckets for scraping and loading the object;
  • An endless chain to which the plurality of buckets are attached;
  • a roller portion for guiding the endless chain
  • the roller part is A rotating shaft that can rotate around the rotation axis;
  • a ring portion located at a circumferential outer edge and contacting the endless chain;
  • the wheel part is A plate-like member extending in a region between the rotation shaft portion and the ring portion when viewed in the rotation axis direction, and a through hole penetrating in the rotation axis direction is formed in the plate-like member;
  • a bucket elevator type continuous unloader including a bucket elevator that continuously conveys an object,
  • the bucket elevator is A plurality of buckets for scraping and loading the object;
  • a pair of endless chains that hold the plurality of buckets in both ends;
  • a roller portion for guiding the endless chain,
  • the bucket elevator is A continuous unloader comprising a common rotation shaft portion that extends on a common rotation axis of the pair of roller portions and rotatably supports both of the roller portions.
  • the common rotating shaft is It has a support shaft that extends through the center of both of the roller portions and supports both of the roller portions so as to rotate around, and is supported by both ends of the main body of the bucket elevator. 13].
  • a bucket elevator type continuous unloader including a bucket elevator that continuously conveys an object,
  • the bucket elevator is A plurality of buckets for scraping and loading the object;
  • An endless chain to which the plurality of buckets are attached;
  • a driving roller for driving the endless chain and rotating the endless chain with respect to a bucket elevator body;
  • a guide roller for guiding the endless chain, and a turning roller for changing a traveling direction of the endless chain,
  • the turning roller is A continuous unloader which is supported in the direction of the rotational axis with respect to the bucket elevator body via an axial direction damping member which suppresses vibration in the direction of the rotational axis.
  • the turning roller is Supported by a fixed shaft fixed to the bucket elevator body and rotatable about the fixed shaft;
  • the axial vibration damping member is The continuous unloader according to [15], wherein vibration of the fixed shaft relative to the bucket elevator body in the direction of the rotation axis is suppressed.
  • a regulator that connects the bucket elevator body and the fixed shaft, and that restricts movement of the fixed shaft in the rotational axis direction relative to the bucket elevator body,
  • the regulator is One is fixed to the bucket elevator body, the other is fixed to the fixed shaft, and has two link members hinged at joints.
  • a regulator that couples the bucket elevator body and the fixed shaft and restricts movement of the fixed shaft in the direction of the rotation axis relative to the bucket elevator body,
  • the regulator is The continuous unloader according to [16], comprising: a restricting tool body fixed to the bucket elevator body; and the axial vibration damping member interposed between the restricting tool body and the fixed shaft.
  • a regulator that couples the bucket elevator body and the fixed shaft, and restricts movement of the fixed shaft in the rotational axis direction relative to the bucket elevator body is The continuous unloader according to [16], comprising: a restricting tool main body fixed to the fixed shaft; and the axial vibration damping member interposed between the restricting tool main body and the bucket elevator main body.
  • FIG. 1 It is a figure which shows the continuous unloader which concerns on embodiment of this invention. It is a partially broken perspective view which shows the bucket elevator upper part of the continuous unloader of FIG.
  • (A) is a side view of a turning roller
  • (b) is a sectional view showing a support structure of the turning roller.
  • (A) is sectional drawing which shows the other example of a turning roller
  • (b) is a side view which shows the further another example of a turning roller
  • (c) is the sectional drawing. It is sectional drawing which shows an example of the support structure which supports a fixed axis
  • (A)-(c) is a side view which shows the other example of a turning roller.
  • a bucket elevator type continuous unloader (CSU) 1 for ships shown in FIGS. 1 and 2 is a device that continuously unloads bulk loads M (for example, coke and ore) from a ship hold 103.
  • the continuous unloader 1 includes a traveling frame 2 that can move along the quay 101 by two rails 3 a laid in parallel to the quay 101.
  • a turning frame 5 is supported so as to be able to turn, and a bucket elevator 9 is supported on a tip portion of a boom 7 projecting laterally from the turning frame 5.
  • the bucket elevator 9 is configured to maintain the vertical position by the balancing lever 12 and the counterweight 13 regardless of the undulation angle of the boom 7.
  • the continuous unloader 1 includes a cylinder 15 for adjusting the hoisting angle of the boom 7.
  • a cylinder 15 for adjusting the hoisting angle of the boom 7.
  • the tip of the boom 7 faces upward and the bucket elevator 9 rises.
  • the cylinder 15 is contracted, the tip of the boom 7 faces downward and the bucket elevator 9 descends.
  • the bucket elevator 9 is configured to continuously excavate and scrape the bulk load M in the hold 103 by the side surface excavation type scraper 11 provided at the lower portion thereof, and to transport the scraped bulk load M upward. It is.
  • the bucket elevator 9 includes an elevator main body 23 that constitutes the elevator shaft 21 and a chain bucket 29 that rotates around the elevator main body 23.
  • the chain bucket 29 includes a pair of roller chains (endless chain) 25 connected in an endless manner, and a plurality of buckets 27 supported at both ends by the pair of chains 25.
  • the two chains 25 are juxtaposed in a direction perpendicular to the paper surface of FIG. 1, and each bucket 27 is suspended between the two chains 25 as shown in FIG. In this manner, the chain 25 is attached to the chain 25 via a predetermined fixture.
  • the bucket elevator 9 includes drive rollers 31a, 31b, and 31c around which the chain 25 is bridged, and a turning roller 33 that guides the chain 25.
  • the driving roller 31 a is provided at the uppermost part 9 a of the bucket elevator 9, the driving roller 31 b is provided at the front part of the scraping part 11, and the driving roller 31 c is provided at the rear part of the scraping part 11.
  • the turning roller 33 is a driven roller located slightly below the driving roller 31a, and guides the chain 25 and changes the traveling direction of the chain 25. Further, a cylinder 35 is interposed between the driving roller 31b and the driving roller 31c.
  • the drive rollers 31 a, 31 b, and 31 c drive the chain 25, so that the chain 25 rotates around the elevator main body 23 in a direction indicated by the arrow W, and the chain bucket 29 is connected to the uppermost portion 9 a of the bucket elevator 9. It circulates around the scraping part 11 while moving around.
  • the bucket 27 of the chain bucket 29 ascends with its opening 27a facing upward. And in the uppermost part 9a of the bucket elevator 9, when passing the drive roller 31a, the chain 25 changes direction from upward to downward, and the opening 27a of the bucket 27 turns downward.
  • a discharge chute 36 is formed below the opening 27a of the bucket 27 that faces downward as described above. The lower end of the discharge chute 36 is connected to a rotary feeder 37 disposed on the outer periphery of the bucket elevator 9.
  • the rotary feeder 37 conveys the loose load M carried out from the discharge chute 36 to the boom 7 side.
  • a boom conveyor 39 is disposed on the boom 7, and the boom conveyor 39 supplies the bulk load M transferred from the rotary feeder 37 to the hopper 41.
  • an in-machine belt feeder 43 and an in-machine conveyor 45 are arranged below the hopper 41.
  • the landing of the loose load (object) M using the continuous unloader 1 is performed as follows.
  • the scraping portion 11 at the lower end of the bucket elevator 9 is inserted into the hold 103, and the chain 25 is rotated in the direction of the arrow in FIG. If it does so, the bucket 27 located in the scraping part 11 will excavate and scrape the bulk load M, such as a coke and an ore, continuously. Then, the loose load M scraped and loaded in these buckets 27 is conveyed vertically upward to the uppermost portion 9 a of the bucket elevator 9 as the chain 25 rises.
  • the bucket 27 passes through the position of the driving roller 31 a and the bucket 27 rotates, so that the loose load M falls from the bucket 27.
  • the bulk M dropped from the bucket 27 falls into the discharge chute 36 and is carried out to the rotary feeder 37 side, and is further transferred to the boom conveyor 39 and conveyed to the hopper 41. Further, the loose load M is carried out to the ground side equipment 49 via the belt feeder 43 and the in-machine conveyor 45.
  • the above operations are repeatedly performed using the plurality of buckets 27, whereby the loose load M in the hold 103 is continuously landed.
  • the turning roller 33 comes into contact with the chain 25 that is turned downward after being turned back by the driving roller 31a, and bends the chain 25 toward the inside of the circulation locus.
  • the turning roller 33 changes the traveling direction of the chain 25 after being turned back by the driving roller 31a from the obliquely downward direction to the vertically downward direction.
  • the bucket 27 that has released the loose load M after being turned back moves obliquely downward so as to avoid the discharge chute 36 between the driving roller 31a and the turning roller 33, so the upper bucket It is difficult to interfere with the bulk M falling from 27. Therefore, the loose load M that continuously falls from each bucket 27 is smoothly introduced into the discharge chute 36. In this way, the bending of the circulation path of the chain 25 by the turning roller 33 contributes to the smooth movement of the loose load M to the discharge chute 36.
  • the roller portion is involved in the vibration generated in the bucket elevator 9 as a relatively large vibration source due to the collision with the chain 25.
  • the roller portion includes drive rollers 31a, 31b, and 31c that guide and drive the chain 25, and a turning roller 33 that guides and turns the chain 25. Therefore, in order to reduce the vibration caused by the drive rollers 31a, 31b, 31c and / or the turning roller 33, the configuration described below is adopted for the bucket elevator 9.
  • the configurations of (2) to (4) The at least one pair of roller portions among the four pairs of roller portions of the turning roller 33 and the driving rollers 31a, 31b, and 31c may have similar characteristics.
  • the bucket elevator 9 includes a fixed shaft 51 that passes through the center of the two turning rollers 33 and extends in the direction of the rotation axis A, and rotatably supports both the turning rollers 33.
  • the fixed shaft 51 is a cylindrical bar member fixed to the elevator body 23 so as not to rotate, and the fixed shaft 51 is supported at both ends by the elevator body 23 at both ends thereof.
  • the two turning rollers 33 are supported by one common fixed shaft 51 and are rotatable around the fixed shaft 51. In this case, the dimensions of the bucket 27 are set so that the bucket 27 passing between the turning rollers 33 and 33 does not interfere with the fixed shaft 51.
  • Each turning roller 33 is composed of three parts, a bearing (rotating shaft part) 61, a wheel part 62, and a ring part 63 provided concentrically in order from the rotation center side.
  • the bearing 61 is a part joined to the fixed shaft 51, and is constituted by, for example, a ball bearing.
  • the ring portion 63 is a portion that is located at the circumferential outer edge portion of the turning roller 33 and is in contact with the chain 25.
  • the wheel portion 62 is a portion that connects the bearing 61 and the ring portion 63.
  • the turning roller 33 is supported by the fixed shaft 51 and rotates around the fixed shaft 51 via a bearing 61.
  • the wheel portion 62 of the turning roller 33 is formed by a single plate-like member 62a having a thickness in the direction of the rotation axis A (see FIG. 4).
  • the plate-like member 62 a When viewed in the direction of the rotation axis A, the plate-like member 62 a has a shape that fills the entire region between the bearing 61 and the ring portion 63. That is, the plate-like member 62 a has a ring shape sandwiched between two concentric circles that are the boundary line between the bearing 61 and the ring portion 63 when viewed in the direction of the rotation axis A.
  • the wheel portion 62 does not have a straight spoke extending straight along the radius of the turning roller 33, and is formed by only the plate member 62a.
  • the spoke composed of a straight member extending along the radius of the turning roller is also referred to as “straight spoke”.
  • the wheel portion 62 having such a structure may be generally called a “disc wheel” or a “disk wheel
  • the wheel portion 62 includes a plurality of (see FIG. 4) arranged in parallel in the direction of the rotation axis A.
  • two plate-like members 62a may be used.
  • a straight spoke portion 62b extending linearly along the radius of the turning roller is provided as a plate member 62a. It may be provided on one side or both sides.
  • the ring portion 63 is a portion where the chain 25 actually contacts, and an impact force in the rotational radial direction acts on the ring portion 63 due to the collision of the chain 25. Therefore, the ring portion 63 is supported by the elevator body 23 via a radial direction damping member for suppressing vibration in the rotational radial direction (radial direction).
  • the vibration damping member 53 as the radial vibration damping member is disposed so as to surround the fixed shaft 51 concentrically, The fixed shaft 51 is fixed to the elevator body 23 via the vibration damping member 53.
  • a ring-shaped steel material 55 is disposed in a portion of the elevator body 23 surrounding the vibration damping member 53.
  • the material of the damping member 53 may be, for example, an elastic member such as damping rubber or a spring, or a damping steel plate.
  • the fixed shaft 51 is supported by the elevator main body 23 via the vibration damping member 53, and as a result, the ring portion 63 is supported by the elevator main body 23 via the vibration damping member 53.
  • the material of the wheel portion 62 may be a damping steel plate. In this case, the entire wheel portion 62 made of the damping steel plate functions as a radial direction damping member.
  • the vibration damping member 53 has the greatest deterioration at the bottom. Therefore, by periodically rotating the damping member 53 around the rotation axis A and re-installing it, deterioration of the damping member 53 partially biased can be avoided, and the life of the damping member 53 can be extended. be able to.
  • FIG. 5 is an enlarged view showing the vicinity of one end face 51a of the fixed shaft 51, and is a view showing an example of a support structure for supporting the fixed shaft 51 in the direction of the rotation axis A.
  • the end surface 51 a of the fixed shaft 51 and the steel material 55 are connected by a U-shaped fixing jig 71.
  • the fixing jig 71 is not shown in FIG.
  • the fixing jig 71 is composed of three link members connected by hinge coupling at the joint portions 71a and 71b, and the joint portions 71a and 71b are located substantially on the rotation axis A.
  • the movement in the direction of the rotation axis A can be constrained while allowing the movement of the fixed shaft 51 in the rotation radial direction. Therefore, according to this support structure, the fixed shaft 51 can be supported in the direction of the rotational axis A without impairing the vibration damping function of the fixed shaft 51 in the radial direction by the vibration damping member 53.
  • a similar support structure is also constructed on the other end surface of the fixed shaft 51.
  • the radial vibration damping member is included in the wheel portion of the turning roller. It is good also as a structure. That is, as shown in FIG. 6 (a), the wheel part 262 is composed of two parts: an outer peripheral part 262a having a straight spoke and an inner peripheral part 262b formed by a damping member 54a on the inner side thereof. It is good. Further, as shown in FIG. 6B, the wheel portion 362 is composed of two parts, an outer peripheral part 362a formed by the vibration damping member 54b and an inner peripheral part 362b having a straight spoke inside thereof. It is good.
  • the wheel portion 462 is composed of two parts, an outer peripheral part 462a formed by the vibration damping member 54c and an inner peripheral part 462b having a disk shape inside thereof. It is good.
  • the inner peripheral portion 462b is provided with a punch hole 462c penetrating in the rotation axis direction.
  • the wheel portion 462 is a plate-like member having a thickness in the direction of the rotation axis A and extending in a region between the bearing 61 (rotation shaft portion) and the ring portion 63 when viewed in the thickness direction.
  • the wheel portion 462 is provided with a punch hole (through hole) 462c penetrating in the direction of the rotation axis A. According to such a structure, it is easier to reduce the weight by the weight of the punch hole 462c than the above-described turning roller 33 (see FIG. 3).
  • FIG. 3 The turning roller 33 shown in FIG. 3 is supported in the direction of the rotational axis A with respect to the elevator body 23 via an axial direction damping member that suppresses vibration in the direction of the rotational axis A (thrust direction).
  • an axial direction damping member that suppresses vibration in the direction of the rotational axis A (thrust direction).
  • FIGS. 7 to 10 Some of the members shown in FIGS. 7 to 10 are not shown in FIG. 7 to 10 show a structure in the vicinity of one end surface 51a of the fixed shaft 51, a similar support structure is constructed on the other end surface of the fixed shaft 51.
  • FIG. 5 to 10 the same reference numerals are given to the same or equivalent components, and the duplicate description is omitted.
  • a circular damping member as an axial damping member is provided around the hinge shaft 71c fixed to the link member 71j side.
  • the vibration member 73a is inserted, and the vibration damping member 73a is interposed between the hinge shaft 71c and the bearing portion of the hinge shaft in the link member 71k. That is, in this structure, the link members 71h and 71k fixed to the steel material 55 side, the link member 71j fixed to the end surface 51a of the fixed shaft 51, and the joint portion 71a that hinges between the link members 71k and 71j.
  • a damping member 73a as an axial damping member is interposed between the hinge shaft 71c and the link member 71k.
  • vibration in the direction of the rotation axis A of the link member 71j with respect to the link members 71h and 71k of the fixing jig 71 is suppressed, and consequently vibration in the direction of the rotation axis A of the fixed shaft 51 and the turning roller 33 is suppressed. Is done. Further, according to this configuration, even if the fixed shaft 51 is displaced up and down due to the deterioration of the vibration damping member 53 with time, the vibration damping member 73a can follow and be deformed to absorb the vertical displacement.
  • a damping member 73 b as an axial damping member is inserted between the link member 71 j of the fixing jig 71 and the end surface 51 a of the fixing shaft 51. Is done.
  • the steel member 55 and the end surface 51a of the fixed shaft 51 are coupled and fixed to the steel member 55 by the restricting tool 70b including the fixing jig (the restricting tool main body) 71 and the damping member 73b.
  • the movement of the shaft 51 in the direction of the rotation axis A is restricted.
  • vibration in the direction of the rotation axis A of the fixed shaft 51 with respect to the fixing jig 71 is suppressed, and consequently vibration in the direction of the rotation axis A of the turning roller 33 is suppressed.
  • the vibration damping member 73b can follow and be deformed to absorb the vertical displacement.
  • a flange 75 is attached to the end surface 51 a of the fixed shaft 51.
  • the flange 75 protrudes from the fixed shaft 51 in the rotational radial direction to a position facing the steel material 55.
  • the damping member 73c as an axial direction damping member is inserted between the flange 75, the steel material 55, and the damping member 53.
  • the steel member 55 and the end surface 51a of the fixed shaft 51 are connected by the restrictor 70c including the flange (restrictor member main body) 75 and the damping member 73c, and the fixed shaft 51 is connected to the steel member 55. Movement in the direction of the rotation axis A is restricted.
  • vibration in the direction of the rotation axis A of the fixed shaft 51 with respect to the steel material 55 (elevator main body 23) is suppressed, and consequently vibration in the direction of the rotation axis A of the turning roller 33 is suppressed.
  • a lid portion 77 for pressing the end surface 51 a of the fixed shaft 51 is attached to the steel material 55.
  • a damping member 73 d as an axial damping member is inserted between the lid portion 77 and the end surface 51 a of the fixed shaft 51.
  • the steel member 55 and the end surface 51a of the fixed shaft 51 are connected by the restricting tool 70d including the lid portion (the restricting tool main body) 77 and the vibration damping member 73d, and the fixed shaft is connected to the steel material 55. 51 is restricted from moving in the direction of the rotation axis A.
  • vibration in the direction of the rotation axis A of the fixed shaft 51 with respect to the steel material 55 (elevator main body 23) is suppressed, and consequently vibration in the direction of the rotation axis A of the turning roller 33 is suppressed.
  • the fixed shaft 51 can be supported in the direction of the rotational axis A without impairing the vibration damping function of the fixed shaft 51 by the vibration damping member 53 in the rotational radial direction.
  • the material of the damping members 73a to 73d may be, for example, an elastic member such as a damping rubber or a spring, or a damping steel plate.
  • the bucket elevator 9 is particularly characterized by the following four points (first to fourth feature points).
  • the bucket elevator 9 includes a fixed shaft 51 that extends on a common rotation axis A of the pair of turning rollers 33 and 33 and rotatably supports both the turning rollers 33 and 33. Yes. According to this configuration, the acceleration response of the elevator body 23 due to the impact force of the collision between the chain 25 and the turning roller 33 is reduced, and the vibration of the bucket elevator 9 is reduced, as shown in a simulation described later.
  • the wheel portion 62 has a shape in which the rotation axis A direction is the thickness direction, and fills the entire region between the bearing 61 and the ring portion 63 when viewed in the thickness direction. It has the plate-shaped member which makes
  • the ring portion 63 is connected via a radial damping member (for example, damping members 53, 54 a to 54 c, etc.) that suppresses vibration in the rotational radial direction.
  • the elevator body 23 is supported.
  • the ring portion 63 is a portion where the chain 25 actually contacts, and an impact force in the radial direction acts on the ring portion 63 due to the collision of the chain 25.
  • the vibration in the rotational radial direction of the ring portion 63 due to the impact force is hardly transmitted to the elevator body 23 through the radial vibration damping member. It is suppressed.
  • the turning roller 33 of the bucket elevator 9 rotates with respect to the elevator body 23 via an axial direction damping member (for example, damping members 73a to 73d) that suppresses vibration in the direction of the rotation axis A. It is supported in the direction of the axis A.
  • the inventors have found that in the bucket elevator 9, relatively large vibrations are also generated in the direction of the rotation axis A on the turning roller 33 when the chain 25 collides.
  • the vibration in the rotation axis A direction of the turning roller 33 is hardly transmitted to the elevator main body 23 through the axial vibration damping member, so that the vibration of the bucket elevator 9 is suppressed.
  • the configuration of the turning roller 33 at the second to fourth feature points is applicable not only to the turning roller 33 but also to the driving rollers 31a, 31b, and 31c.
  • the wheel portions of the drive rollers 31a, 31b, and 31c have a plate-like member having a shape that fills the entire region between the bearing and the ring portion when viewed in the thickness direction with the rotation axis direction being the thickness direction.
  • the ring portions of the drive rollers 31a, 31b, and 31c may be supported by the elevator body 23 via a radial vibration damping member that suppresses vibration in the rotational radial direction (third feature point) ).
  • the drive rollers 31a, 31b, 31c may be supported in the rotational axis direction with respect to the elevator body 23 via an axial vibration damping member that suppresses vibration in the rotational axis direction (fourth feature). point).
  • FIG. 3 illustrates the configuration of the bucket elevator 9 that includes all of the first to fourth feature points described above. However, by providing at least one of the first to fourth feature points, Vibration can be suppressed.
  • the bucket elevator may employ two or three of the first to fourth feature points in combination. Moreover, you may employ
  • a model of the turning roller s1 in which the wheel portion is formed of a straight spoke was used.
  • the structure of the turning roller s1 is often found in turning rollers in a conventional continuous unloader.
  • the radius of the turning roller s1 is 700 mm
  • the radius of the fixed shafts s51 and s52 is 55 mm.
  • the Young's modulus of the material of the turning roller s1 was 21000 kgf / mm 2
  • the Poisson's ratio was 0.3
  • the density was 7.85 ton / m 3 .
  • the two turning rollers s1 are cantilevered by different fixed shafts s52.
  • the fixed shaft s52 is assumed to be directly fixed to the steel material 55 of the elevator body 23.
  • the support structure of the model M1 is often seen as a support structure of a turning roller in a conventional continuous unloader.
  • the model M2 shown in FIG. 11C includes the first feature point, and the two turning rollers s1 are both supported by a common fixed shaft s51.
  • the fixed shaft s51 is directly fixed to the steel material 55 of the elevator body 23.
  • the acceleration (longitudinal acceleration, vertical acceleration, and lateral acceleration) in the three directions (longitudinal direction, vertical direction, and lateral direction) of the elevator body 23 when the chain 25 collides with the turning roller s1. ) was calculated.
  • the vertical direction is defined as “vertical direction”
  • the rotational axis direction of the turning roller s1 is defined as “left / right direction”
  • the direction orthogonal to both the vertical direction and the horizontal direction is defined as “front / rear direction”.
  • the value of the lateral acceleration in the model M1 is 1.0, and each of the obtained accelerations is expressed as a relative value, and is shown as a graph in FIG.
  • the displacement (front-rear displacement, vertical displacement, and lateral displacement) in the three directions (front-rear direction, vertical direction, and left-right direction) of the elevator body 23 when the chain 25 collides with the turning roller s1. ) was calculated.
  • Each obtained displacement is represented as a relative value with the value of the lateral displacement in the model M1 being 1.0, and is shown as a graph in FIG.
  • the structure of the bucket elevator 9 having the first feature point described above reduces the vibration of the elevator body 23 caused by the collision between the chain 25 and the turning roller 33, and reduces the vibration of the bucket elevator 9 and the continuous unloader 1. Was confirmed.
  • a model M11 using a turning roller whose wheel part is a straight spoke was prepared for comparison.
  • the structure of this turning roller is the same as that of the turning roller s1 shown in FIG.
  • models M12, M13, and M14 using turning rollers having a plate-like wheel portion were prepared as models having the second feature point.
  • the two turning rollers were each cantilevered as in the support structure shown in FIG.
  • the turning roller of the model M12 has a wheel portion having a structure in which two plate-like members having a plate thickness of 6 mm are stacked.
  • the turning roller of the model M13 has a wheel portion having a structure in which two plate-like members having a plate thickness of 4 mm are stacked.
  • the structure of the turning rollers of the models M12 and M13 is the same as that shown in FIG.
  • the turning roller of the model M14 has a wheel portion having a structure composed of one plate-like member having a plate thickness of 8 mm. Since the structure of the turning roller of the model M14 is the same as that shown in FIGS. 3A and 3B, the illustration is omitted.
  • the radius of the turning roller of each of the models M11 to M14 is 700 mm, and the radius of the fixed shaft is 55 mm.
  • the material Young's modulus of each turning roller was 21000 kgf / mm2, the Poisson's ratio was 0.3, and the density was 7.85 ton / m3.
  • each acceleration (longitudinal acceleration, vertical acceleration, and lateral acceleration) of the elevator body 23 when the chain 25 collides with the turning roller (longitudinal direction, vertical direction, and lateral direction).
  • the vertical direction is defined as “vertical direction”
  • the rotational axis direction of the turning roller is defined as “left / right direction”
  • the direction orthogonal to both the vertical direction and the horizontal direction is defined as “front / rear direction”.
  • the value of the lateral acceleration in the model M11 is 1.0, and each of the obtained accelerations is expressed as a relative value, and is shown as a graph in FIG.
  • each displacement front-rear displacement, vertical displacement, and left-right displacement in the three directions (front-rear direction, vertical direction, and left-right direction) of the elevator body 23 when the chain 25 collides with the turning roller.
  • Each obtained displacement is represented as a relative value with the value of the lateral displacement in the model M11 as 1.0, and is shown as a graph in FIG.
  • the acceleration response of the elevator main body 23 is lowered in the three directions in the models M12 to M14 compared to the model M11. Further, in the models M12 to M14, there was a concern that the displacement of the elevator body 23 would increase due to the reduced acceleration response. As shown in FIG. 15, the models M12 to M14 were compared with the model M11. Thus, it was confirmed that the displacement of the elevator body 23 does not increase extremely.
  • the vibration of the elevator body 23 caused by the collision between the chain 25 and the turning roller 33 is reduced by the structure of the bucket elevator 9 having the second feature point described above, and the vibration of the bucket elevator 9 and the continuous unloader 1 is reduced. Was confirmed.
  • the present inventors have found that the roller portion is involved in the vibration generated in the bucket elevator as a relatively large vibration source due to the collision with the chain. Then, focusing on the fact that the vibration of the bucket elevator and the continuous unloader as a whole is reduced by reducing the vibration caused by the roller portion, the present invention has been completed based on this finding.
  • the vibration of the elevator body 23 caused by the collision between the chain 25 and the turning roller 33 is suppressed as described above. And the vibration as the bucket elevator 9 and the continuous unloader 1 whole is suppressed. If it does so, the restriction
  • the bucket elevator 9 of the continuous unloader 1 described with reference to FIG. 3 has all the first to fourth characteristic points described above, but the bucket elevator 9 of the continuous unloader of the present invention has the first to fourth characteristics described above. It suffices to have at least one of the feature points.
  • the present invention relates to a bucket elevator type continuous unloader, and provides a continuous unloader that can be miniaturized while maintaining a cargo handling capacity.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Ocean & Marine Engineering (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Ship Loading And Unloading (AREA)
PCT/JP2013/061777 2012-05-22 2013-04-22 連続アンローダ WO2013175919A1 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN201380009074.5A CN104203782B (zh) 2012-05-22 2013-04-22 连续卸载机
KR1020147022382A KR101825780B1 (ko) 2012-05-22 2013-04-22 연속언로더

Applications Claiming Priority (8)

Application Number Priority Date Filing Date Title
JP2012-116691 2012-05-22
JP2012-116698 2012-05-22
JP2012116691A JP5944227B2 (ja) 2012-05-22 2012-05-22 連続アンローダ
JP2012116698A JP2013241260A (ja) 2012-05-22 2012-05-22 連続アンローダ
JP2012-140894 2012-06-22
JP2012140894A JP6000683B2 (ja) 2012-06-22 2012-06-22 連続アンローダ
JP2012-140901 2012-06-22
JP2012140901A JP2014005105A (ja) 2012-06-22 2012-06-22 連続アンローダ

Publications (1)

Publication Number Publication Date
WO2013175919A1 true WO2013175919A1 (ja) 2013-11-28

Family

ID=49623618

Family Applications (2)

Application Number Title Priority Date Filing Date
PCT/JP2013/061777 WO2013175919A1 (ja) 2012-05-22 2013-04-22 連続アンローダ
PCT/JP2013/063840 WO2013176061A1 (ja) 2012-05-22 2013-05-17 連続アンローダ、連続アンローダ施設及び連続アンローダの運転方法

Family Applications After (1)

Application Number Title Priority Date Filing Date
PCT/JP2013/063840 WO2013176061A1 (ja) 2012-05-22 2013-05-17 連続アンローダ、連続アンローダ施設及び連続アンローダの運転方法

Country Status (4)

Country Link
KR (2) KR101825780B1 (ko)
CN (2) CN104203782B (ko)
TW (2) TWI583610B (ko)
WO (2) WO2013175919A1 (ko)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106429536A (zh) * 2016-12-05 2017-02-22 大连华锐重工集团股份有限公司 连续卸船机上部提升装置
JP6955448B2 (ja) * 2018-01-11 2021-10-27 川崎重工業株式会社 荷役運搬機械
KR102378530B1 (ko) * 2020-03-04 2022-03-23 주식회사 포스코 버켓 엘리베이터 샤프트의 분진 비산 방지 장치

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57204368A (en) * 1981-06-10 1982-12-15 Yamaha Motor Co Ltd Chain sprocket
JPS6126283Y2 (ko) * 1983-12-13 1986-08-07
JPS63180768A (ja) * 1987-01-23 1988-07-25 Honda Motor Co Ltd チエ−ン駆動装置
JPH08232241A (ja) * 1995-02-23 1996-09-10 Marusei Jukogyo Kk ロ−タリ型スクリ−ニング設備における防音方法
JPH11315909A (ja) * 1998-05-01 1999-11-16 Ishikawajima Harima Heavy Ind Co Ltd 歯 車
JP2008303968A (ja) * 2007-06-07 2008-12-18 Toyota Industries Corp 歯車伝達機構
JP2009118702A (ja) * 2007-11-09 2009-05-28 Asmo Co Ltd 回転電機
JP2010265996A (ja) * 2009-05-15 2010-11-25 Tsubakimoto Chain Co チェーン用スプロケット

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2557325A (en) * 1947-12-31 1951-06-19 Sherman T Transeau Bucket elevator
US4867733A (en) * 1987-01-23 1989-09-19 Honda Giken Kogyo Kabushiki Kaisha Chain drive system
EP0748750B1 (en) * 1995-06-16 1999-03-24 Ishikawajima-Harima Heavy Industries Co., Ltd. Continuous unloader
TW458159U (en) * 1996-03-29 2001-10-01 Ishikawajima Harima Heavy Ind Continuous unloading machine
JPH09301543A (ja) * 1996-05-17 1997-11-25 Sumitomo Heavy Ind Ltd バケットエレベータ式アンローダ
JPH10181824A (ja) * 1996-12-25 1998-07-07 Mitsui Eng & Shipbuild Co Ltd アンローダ用バケットの取付構造
JP2000018326A (ja) * 1998-07-03 2000-01-18 Hino Motors Ltd 防振ゴム構造
JP4288536B2 (ja) * 1998-09-03 2009-07-01 株式会社三井三池製作所 ばら物用荷降ろし装置
JP2000211749A (ja) * 1999-01-21 2000-08-02 Nippon Steel Corp 連続式アンロ―ダの荷役方法及び装置
JP4369591B2 (ja) * 2000-03-14 2009-11-25 石川島運搬機械株式会社 連続アンローダ
CN2673823Y (zh) * 2003-12-08 2005-01-26 天津渤海化工有限责任公司天津碱厂 一种斗式提升机
DE102007060906B3 (de) * 2007-12-14 2009-10-15 Ab Skf Lageranordnung für eine Tragrolle
KR101037425B1 (ko) * 2009-01-30 2011-05-30 (주)옥산아이엠티 이송장치 및 이를 포함하는 수직컨베이어
JP2013234020A (ja) 2012-05-07 2013-11-21 Tsubakimoto Bulk Systems Corp バケットコンベヤ

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57204368A (en) * 1981-06-10 1982-12-15 Yamaha Motor Co Ltd Chain sprocket
JPS6126283Y2 (ko) * 1983-12-13 1986-08-07
JPS63180768A (ja) * 1987-01-23 1988-07-25 Honda Motor Co Ltd チエ−ン駆動装置
JPH08232241A (ja) * 1995-02-23 1996-09-10 Marusei Jukogyo Kk ロ−タリ型スクリ−ニング設備における防音方法
JPH11315909A (ja) * 1998-05-01 1999-11-16 Ishikawajima Harima Heavy Ind Co Ltd 歯 車
JP2008303968A (ja) * 2007-06-07 2008-12-18 Toyota Industries Corp 歯車伝達機構
JP2009118702A (ja) * 2007-11-09 2009-05-28 Asmo Co Ltd 回転電機
JP2010265996A (ja) * 2009-05-15 2010-11-25 Tsubakimoto Chain Co チェーン用スプロケット

Also Published As

Publication number Publication date
TW201406639A (zh) 2014-02-16
KR101825780B1 (ko) 2018-03-22
KR20140130123A (ko) 2014-11-07
CN104203782A (zh) 2014-12-10
CN104203783B (zh) 2017-03-15
KR101671599B1 (ko) 2016-11-01
KR20140130121A (ko) 2014-11-07
CN104203782B (zh) 2017-03-15
CN104203783A (zh) 2014-12-10
TWI583610B (zh) 2017-05-21
TW201404701A (zh) 2014-02-01
WO2013176061A1 (ja) 2013-11-28
TWI591009B (zh) 2017-07-11

Similar Documents

Publication Publication Date Title
WO2013175919A1 (ja) 連続アンローダ
JP2014509996A (ja) コンテナ
JP6189086B2 (ja) 連続アンローダ、連続アンローダ施設及び連続アンローダの運転方法
JP5144317B2 (ja) ローダ
JP6000683B2 (ja) 連続アンローダ
JP5944227B2 (ja) 連続アンローダ
JP2013241260A (ja) 連続アンローダ
JP2014005105A (ja) 連続アンローダ
CN111372878A (zh) 装卸搬运机械
JP3756177B1 (ja) 調整手段付残留防止装置
CN104670929B (zh) 连续卸载机
JP7158999B2 (ja) 荷役装置
JP5291021B2 (ja) 自走式スクリーン
JP5084181B2 (ja) 産業用車両
KR102361365B1 (ko) 하역장치 및 이를 포함하는 연속식 하역기
CN113272241B (zh) 绳式起重机的吊运车
JP6704820B2 (ja) 揚土装置
JP6779271B2 (ja) 工作機械
CN108996251B (zh) 卸货装置及装载设备
JP2018044331A (ja) 作業機械
JP2014084182A (ja) 連続アンローダ
US20170107683A1 (en) Loader work machine
JP6541619B2 (ja) クローラ走行装置
CN118145263A (zh) 一种履带行走升降机构
JP2015529596A (ja) ダンプトラックの荷台構造

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 13793333

Country of ref document: EP

Kind code of ref document: A1

ENP Entry into the national phase

Ref document number: 20147022382

Country of ref document: KR

Kind code of ref document: A

NENP Non-entry into the national phase

Ref country code: DE

WWE Wipo information: entry into national phase

Ref document number: IDP00201407646

Country of ref document: ID

122 Ep: pct application non-entry in european phase

Ref document number: 13793333

Country of ref document: EP

Kind code of ref document: A1