CN102336381A - Stacker crane - Google Patents

Stacker crane Download PDF

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Publication number
CN102336381A
CN102336381A CN2011101933464A CN201110193346A CN102336381A CN 102336381 A CN102336381 A CN 102336381A CN 2011101933464 A CN2011101933464 A CN 2011101933464A CN 201110193346 A CN201110193346 A CN 201110193346A CN 102336381 A CN102336381 A CN 102336381A
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mentioned
horizontal part
mast
parts
horizontal
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CN2011101933464A
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CN102336381B (en
Inventor
野村隆治
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Murata Machinery Ltd
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Murata Machinery Ltd
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65GTRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
    • B65G1/00Storing articles, individually or in orderly arrangement, in warehouses or magazines
    • B65G1/02Storage devices
    • B65G1/04Storage devices mechanical
    • B65G1/0407Storage devices mechanical using stacker cranes
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65GTRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
    • B65G1/00Storing articles, individually or in orderly arrangement, in warehouses or magazines
    • B65G1/02Storage devices
    • B65G1/04Storage devices mechanical
    • B65G1/0407Storage devices mechanical using stacker cranes
    • B65G1/0421Storage devices mechanical using stacker cranes with control for stacker crane operations
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66FHOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
    • B66F9/00Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes
    • B66F9/06Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes movable, with their loads, on wheels or the like, e.g. fork-lift trucks
    • B66F9/07Floor-to-roof stacking devices, e.g. "stacker cranes", "retrievers"
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66FHOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
    • B66F9/00Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes
    • B66F9/06Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes movable, with their loads, on wheels or the like, e.g. fork-lift trucks
    • B66F9/07Floor-to-roof stacking devices, e.g. "stacker cranes", "retrievers"
    • B66F9/072Travelling gear therefor
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06QINFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
    • G06Q10/00Administration; Management
    • G06Q10/08Logistics, e.g. warehousing, loading or distribution; Inventory or stock management
    • G06Q10/087Inventory or stock management, e.g. order filling, procurement or balancing against orders

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  • Engineering & Computer Science (AREA)
  • Transportation (AREA)
  • Structural Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Business, Economics & Management (AREA)
  • Economics (AREA)
  • Civil Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Entrepreneurship & Innovation (AREA)
  • Quality & Reliability (AREA)
  • Finance (AREA)
  • Accounting & Taxation (AREA)
  • Human Resources & Organizations (AREA)
  • Marketing (AREA)
  • Operations Research (AREA)
  • Development Economics (AREA)
  • Strategic Management (AREA)
  • Tourism & Hospitality (AREA)
  • Physics & Mathematics (AREA)
  • General Business, Economics & Management (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Warehouses Or Storage Devices (AREA)
  • Forklifts And Lifting Vehicles (AREA)

Abstract

The invention provides a stacker crane, which can inhibit increase of component number even a ladder part is disposed on a mast so as to realize light weight of the mast. A stacker crane (3) is provided with a walking trolley (22), a mast (25), a lifting table (27), and a sliding fork (29) as a transferring device. The mast (25) is a part vertically disposed on a truss construction of the walking trolley (22). The mast (25) is provided with a plurality of support parts (40), a plurality of inclined parts (42), a plurality of first horizontal parts (44), and a plurality of second horizontal parts (46). The plurality of support parts (40) are provided with a guiding part (40b) guiding the lifting table (27). The plurality of inclined parts (42) are connected to the plurality of support parts (40). The first horizontal parts (44) are disposed at the connection position of the support parts (40) and the inclined parts (42). The second horizontal parts (46) are at least provided with one between the first horizontal parts (44).

Description

Stack crane
Technical field
The present invention relates to hoisting crane, particularly disposing the stack crane of walking on the walking path of the frame that can take in article in a side at least.
Background technology
Stack crane makes article go into walking between the outbound portion and article are freighted use to frame or when frame is delivered article at frame and article, and such stack crane has the mast to the bay-lift channeling conduct.In stack crane in the past, known have in order to realize lightweight with the stack crane (for example with reference to patent documentation 1) of lattice construction formation mast.Mast in the past has four pillar parts, pillar part is carried out the bonded assembly tilt component and at the horizontal part of the connection location of tilt component and pillar part configuration.Tilt component be configured in direction of travel both sides and with the both sides of the fore-and-aft direction of this direction of travel quadrature so that whole four pillars are connected.
Dispose the ladder sections of when stack crane is overhauled, using on this mast.Ladder sections in the past is installed in a side of direction of travel through the installation accessory that is fixed in pillar part.
Patent documentation 1: TOHKEMY 2009-190855 communique
In structure in the past, ladder sections is installed on the pillar part through accessory is installed.Therefore, if ladder sections is installed, then the part number increases, and is difficult to realize the lightweight of mast.
Summary of the invention
Problem of the present invention is even the increase that ladder sections also can suppress the part number is set on mast, also can realize the lightweight of mast.
Below, as the scheme that is used to solve problem, several modes are described.These modes can make up arbitrarily as required.
Stack crane involved in the present invention is the stack crane of on the walking path of the side that is disposed at the frame that can take in article, walking.Stack crane possesses walking carriage, mast, bay-lift and shifting apparatus.Walking carriage can be walked on the walking path.Mast is the upright parts of being located at the lattice construction of walking carriage.Bay-lift is guided by mast along the vertical direction, and shifting apparatus is installed on bay-lift.Mast has a plurality of pillar parts, a plurality of tilt component, a plurality of first horizontal part and a plurality of second horizontal part.A plurality of pillars have the guiding part to the bay-lift channeling conduct.A plurality of tilt components connect a plurality of pillar parts each other.A plurality of first horizontal parts are disposed at the connection location of pillar part and tilt component.A plurality of second horizontal parts dispose one each other at least at first horizontal part.
In this stack crane,, also dispose at least one second horizontal part each other at first horizontal part except first horizontal part that disposes on the connection location of the pillar part of the mast of lattice construction and tilt component.At this, can be with first horizontal part and second horizontal part structural member as truss, simultaneously also can be as the installing component of ladder sections or ladder sections.Therefore, even the increase that ladder sections also can suppress the part number is set on mast, thus the lightweight of realization mast.
Also can be that second horizontal part disposes a plurality of at first horizontal part each other.
Thus, with first horizontal part and second horizontal part as under the situation of ladder sections, the interval that can make ladder narrows down and makes operating personnel's parts that scale a ladder easily.
Also can be; A plurality of pillar parts be configured in walking carriage direction of travel and with four jiaos of the fore-and-aft direction of direction of travel quadrature; Tilt component is located at the both sides of fore-and-aft direction, and first horizontal part is located at the both sides of direction of travel, and second horizontal part is located at a side of direction of travel.
Thus, the load that acts on the direction of travel is supported by the tilt component of lattice construction, through one-sided configuration second horizontal part at direction of travel, and can be cheap and keep the installing component of performance ground configuration ladder sections or ladder sections.
Also can be also to possess the ladder sections on certain at least that is fixed on first horizontal part and second horizontal part.
Thus, with first horizontal part or second horizontal part installing component as ladder sections, thus can cost-cutting.
The invention effect
According to the present invention, can be with first horizontal part and second horizontal part structural member as truss, simultaneously can be as the installing component of ladder sections or ladder sections.Therefore, even the increase that ladder sections also can suppress the part number is set on mast, thus the lightweight of realization mast.
Description of drawings
Fig. 1 is the birds-eye view of automated warehouse that has adopted the stack crane of first embodiment of the present invention.
Fig. 2 is the lateral plan of the stack crane of first embodiment.
Fig. 3 is the partial perspective view of mast.
Fig. 4 is the partial perspective view of the mast in second embodiment.
Reference numeral
1 automated warehouse
2 frames
The 2a forebay
The 2b afer bay
3 stack cranes
5 walking paths
7 first pillars
9 second pillars
11 article support components
13 article carry the portion of putting
15 forks pass through the gap
17 warehouse-in stations
19 outbound stations
The 21a upper rail
The 21b lower guideway
22 walking carriages
25 masts
27 bay-lifts
27a first deflector roll
27b second deflector roll
29 cliding yokes
Guiding part on 31
33 walking drive divisions
35 up-down drive divisions
37 up-down ropes
40 pillar parts
The 40a support-column main body
The 40b guiding part
The 40c configured slot
42 tilt components
42a first tilt component
42b second tilt component
44 first horizontal parts
A 44a left side first horizontal part
Right first horizontal part of 44b
46 second horizontal parts
48a first link
48b second link
48c the 3rd link
50 bolt members
51 nuts
52 link parts
60 ladder sections
125 masts
144 first horizontal parts
A 144a left side first horizontal part
Right first horizontal part of 144b
The 144c installing component
146 second horizontal parts
160 ladder sections
The 160a vertical member
160b horizontal stripe parts
The specific embodiment
< first embodiment >
(1) automated warehouse is whole
Below, the automated warehouse 1 that has adopted an embodiment involved in the present invention is described.
In Fig. 1, automated warehouse 1 mainly comprises: have the stack crane 3 of walking between frame 2 and mmi machine frame 2a and the afer bay 2b of forebay 2a and afer bay 2b.In addition, in this embodiment, the above-below direction of Fig. 1 is the front and back directions X of stack crane 3, and the left and right directions of Fig. 1 is the walking Y direction of stack crane 3.
(2) frame
Forebay 2a and afer bay 2b are with configuration before and after the mode that clips the walking path 5 that follows away the stack crane 3 that the Y direction extends.Forebay 2a and afer bay 2b have: a plurality of first pillars 7 of about walking path 5 sides are with predetermined distance, arranging, at a plurality of article support components 11 that separate second pillar 9 that predetermined distance arranges and be provided with at first pillar 7 and second pillar 9 with walking path 5 opposite sides.Constitute a plurality of article through pair of right and left article support component 11 and carry the portion of putting 13.Can know according to accompanying drawing, can carry the 13 years glove article W of the portion of putting at each article.In addition, each article W carries and places on the pallet P and can move with pallet P.In addition, the fork that moves that forms cliding yoke 29 (example of the shifting apparatus) above-below direction of stating after the permission between the pair of right and left article support component 11 is through gap 15.
The left side of mmi machine frame 2a disposes and is used for warehouse-in station 17 that article W is put in storage.In the left side of afer bay 2b, dispose the outbound station 19 that is used for article W is carried out outbound.
(3) stack crane
In Fig. 1 and Fig. 2, be provided with upper rail 21a (Fig. 2) and lower guideway 21b along walking path 5, stack crane 3 is guided and can the Y direction move along the left and right sides by upper rail 21a and lower guideway 21b.Stack crane 3 carries articles conveyed W between the portion of putting 13, warehouse-in station 17 and the outbound station 19 at a plurality of article.
Stack crane 3 has walking carriage 22, upright is located at a mast 25 of walking carriage 22, by mast 25 along the bay-lift 27 of up-down Direction guide and the cliding yoke (example of shifting apparatus) 29 of being located at bay-lift 27.Walking carriage 22 can be moved back and forth on walking path 5 by lower guideway 21b guiding.On the top of mast 25, be provided with by the last guiding part 31 of upper rail 21a guiding.
Bay-lift 27 has by the first deflector roll 27a and a pair of up and down second deflector roll 27b of mast 25 guiding.The first deflector roll 27a and a pair of second deflector roll 27b are configured in the both sides of the front and back directions X of bay-lift 27, and cliding yoke 29 carries between the portion of putting 13 and warehouse-in station 17 or outbound station 19 and article carry between the portion of putting 13 by each pallet P the article W that year puts on pallet P is carried out transfer at article.
In addition, on stack crane 3, has walking drive division 33 that walking carriage 22 is driven and to the go up and down up-down drive division 35 of driving of bay-lift 27.Walking drive division 33 is equipped on walking carriage 22 with up-down drive division 35.Up-down drive division 35 through reel and see off before and after a pair of up-down rope 37 and to bay-lift 27 driving of going up and down.Before and after a pair of up-down rope 37 be disposed at the walking Y direction both sides of mast 25 with the mode of the upper end through mast 25, the front end of this up-down rope is fixed in bay-lift 27.
(4) mast
As shown in Figure 3, mast 25 is a lattice construction.Mast 25 for example possesses four pillar parts 40, two pillar parts 40 is carried out many tilt components of bonded assembly 42, first horizontal part 44 and second horizontal part 46.
Pillar part 40 is an aluminum alloy system for example, is the parts that obtain through extrusion forming.Pillar part 40 has the support-column main body 40a of rectangle and from the support-column main body 40a outstanding guiding part 40b in the direction outside forwards, backwards.Alongst be formed with the configured slot 40c of T font on the support-column main body 40a.Configured slot 40c can carry out anticreep to the head of fixed-use bolt parts 50 or the nut 51 that is fixed in bolt member 50, and can be configured to end wise and move freely.
In addition, in this embodiment, with the header arrangement of bolt member 50 in configured slot 40c.In addition, after the explanation to bolt member 50 in, for the purpose of simplifying the description, will be recited as bolt member 50 by the fixed-use bolt of the parts of bolt, and the size of bolt member 50 can be different with length.
(5) pillar part
The upper end of pillar part 40 links through the binding parts 52 of the for example aluminum alloy system of angle steel shape.The a pair of second guide rail 27b of bay-lift 27 clip pillar part 40 guiding part 40b the two sides and dispose.Thus, the walking Y direction of bay-lift 27 is restricted.In addition, the lateral surface at support-column main body 40a disposes the first deflector roll 27a.Thus, the front and back directions X of bay-lift 27 is restricted.
In addition, in the first embodiment, need not be provided with guiding part 40b on the pillar part 40 to the forward side (left side of Fig. 3) of Fig. 3 of bay-lift 27 channeling conducts yet.This is for the intensity of four pillar parts 40 is unified.
(6) tilt component
Tilt component 42 for example is an aluminum alloy system.The both sides of directions X before and after tilt component 42 is located at.Tilt component 42 have the first tilt component 42a that has a down dip to the right among Fig. 3 and with the interconnected second tilt component 42b that has a down dip left of the first tilt component 42a.As shown in Figure 2, the first tilt component 42a of the top and the second tilt component 42b of below through be fixed on the first link 48a on the pillar part 40 by bolt member 50 the one of which end is connected with pillar part 40.First adjacent tilt component 42a in the middle of being positioned at and the end of the second tilt component 42b are connected with pillar part 40 through bolt member 50 through being fixed on the second link 48b on the pillar part 40 by bolt member 50, adding up to.
(7) first horizontal parts
The two ends of first horizontal part 44 are connected with the second link 48b with the first link 48a through bolt member 50.That is, first horizontal part 44 is disposed at the connection location of pillar part 40 and tilt component 42 in the both sides of walking Y direction.
In the first embodiment, first horizontal part 44 has a left side first horizontal part 44a, the right side first horizontal part 44b on inboard (right side of Fig. 3) of forward side (left side of Fig. 3) of the walking Y direction of Fig. 3.The first horizontal part 44a is different with the shape of the right first horizontal part 44b on a left side.That is, the left first horizontal part 44a also can be utilized as ladder sections 60.On the other hand, the right first horizontal part 44b is merely able to be utilized as the structure member in the lattice construction.Therefore, the left first horizontal part 44a compares with the right first horizontal part 44b, and the length of above-below direction is short and length walking Y direction is longer.
(8) second horizontal parts
Second horizontal part 46 is provided with a plurality of (for example three) between the left first horizontal part 44a.Second horizontal part 46 is fixed in pillar part 40 through the 3rd link 48c that is connected on the pillar part 40 by bolt member (not shown).Second horizontal part 46 is fixed in the 3rd link 48c through bolt member 50.Alongst be formed with the configured slot 46a of T font on second horizontal part 46, this configured slot 46a can carry out anticreep to the head or the nut 51 of bolt member 50, and can be configured to end wise and move freely.Second horizontal part 46 is not arranged between the right first horizontal part 44b.In the first embodiment, the interval between the left first horizontal part 44a and second horizontal part 46 for example is 350mm.Therefore, the group of the first tilt component 42a and the second tilt component 42b is with the 1400mm arranged spaced.
(9) ladder sections
In the first embodiment, ladder sections 60 utilizes the left first horizontal part 44a and second horizontal part 46 to constitute.Thus, compare, can suppress the increase of the part number of mast 25, can realize mast 25 single-piece lightweights with the structure that is provided with ladder sections in addition.
< second embodiment >
In the first embodiment the left first horizontal part 44a and second horizontal part 46 are utilized as ladder sections 60, and ladder sections is set in second embodiment in addition.
As shown in Figure 4, in second embodiment, the right side first horizontal part 144b of first horizontal part 144 of mast 125 is identical with the situation of first embodiment.The a left side first horizontal part 144a has the installing component 144c that is used to install ladder sections 160 in both sides.In addition, second horizontal part 146 is configured in the both sides of walking Y direction.
Pair of vertical parts 160a and with the horizontal stripe parts 160b between the connection vertical member 160a of predetermined distance (for example 350mm) configuration before and after ladder sections 160 has.In second embodiment, the vertical member 160a of ladder sections 160 and horizontal stripe parts 160b for example form as one through screw component or welding.
Installing component 144c extends out the directions X both sides from the part that is fixed in pillar part 40 of this installing component forwards, backwards.The leading section of installing component 144c travels back across till two lateral surfaces of vertical member 160a.Other structures are identical with first embodiment and omit explanation.
In the second such embodiment; The left first horizontal part 144a is utilized as the installing component 144c that is used to install ladder sections 160; Therefore compare with the structure of the installing component that is provided for installing ladder sections in addition; The increase of the part number of mast 125 can be suppressed, mast 125 single-piece lightweights can be realized.
(10) characteristic
Can as following, explain above-mentioned embodiment.
(A) stack crane 3 is walked on the walking path 5 of the side that is disposed at the frame 2 that can take in article W.Stack crane 3 possesses walking carriage 22, mast 25, bay-lift 27 and as the cliding yoke 29 of shifting apparatus.Walking carriage 22 can walking on walking path 5.Mast 25 is upright parts of being located at the lattice construction of walking carriage 22.Bay-lift 27 is directed along above-below direction on mast 25.Cliding yoke 29 is installed on bay-lift 27.Mast 25 has a plurality of pillar part 40, a plurality of tilt component 42, first horizontal part 44 and second horizontal part 46.A plurality of pillar parts 40 have the guiding part 40b to bay-lift 27 channeling conducts.42 pairs of a plurality of pillar parts 40 of a plurality of tilt components connect each other.First horizontal part 44 is configured in the connection location of pillar part 40 and tilt component 42.Second horizontal part 46 disposes one each other at least at first horizontal part 44.
In this stack crane 3; Except first horizontal part 44 (or 144) that disposes on the connection location of the pillar part 40 of the mast 25 of lattice construction and tilt component 42, also dispose at least one second horizontal part 46 each other at first horizontal part 44.At this, can also can or be used to install the installing component 144c of ladder sections 160 simultaneously with first horizontal part 44 and second horizontal part 46 as the structural member of truss as ladder sections 60.Therefore, even the increase that ladder sections 60 (or 160) also can suppress the part number is set, thus the lightweight of realization mast 25.
(B) second horizontal part 46 disposes a plurality of at first horizontal part 44 each other.
Thus, with first horizontal part 44 and second horizontal part 46 as under the situation of ladder sections 60, the interval that can make ladder narrows down and makes operating personnel's parts 60 that scale a ladder easily.
(C) a plurality of pillar parts 40 be configured in walking carriage 22 walking Y direction and with four jiaos of the front and back directions X of direction of travel quadrature, the both sides of directions X before and after tilt component 42 is located at.First horizontal part 44 is located at the both sides of walking Y direction.Second horizontal part 46 is located at a side of walking Y direction.
Thus; The load that acts on the walking Y direction is supported by the tilt component 42 of lattice construction; Through one-sided configuration second horizontal part 46, can cheap and dispose ladder sections 60 with keeping performance or be used to install the installing component 144c of ladder sections in walking Y direction.
(D) also possesses the ladder sections 160 on certain at least that is fixed on first horizontal part 44 and second horizontal part 46.
Thus, with first horizontal part 144 or second horizontal part 146 as the installing component that is used to install ladder sections, thereby can cost-cutting.
(11) other embodiments
An embodiment of the present invention more than has been described, but has been the invention is not restricted to above-mentioned embodiment, can in not breaking away from the scope of inventing aim, carry out various changes.Particularly, can at random make up a plurality of embodiments and the variation of putting down in writing in this specification sheets thereof as required.
(a) in the above-described embodiment, illustration the stack crane of a mast, be two stack crane but the present invention also can be applied to mast.
(b) in the above-described embodiment, illustration cliding yoke as shifting apparatus, but shifting apparatus is not limited to cliding yoke.It for example also can be the shifting apparatus of holding articles both sides.
(c) in the above-described embodiment, only the side (left side of Fig. 3) in walking Y direction has disposed second horizontal part, but also can dispose second horizontal part at opposite side.
(d) in above-mentioned second embodiment, only on the left first horizontal part 144a, be provided with installing component 144c, but can on second horizontal part 146 in left side, installing component be set also.
Utilizability on the industry
Stack crane involved in the present invention can be widely used in automated warehouse etc.

Claims (4)

1. a stack crane is walked on the walking path of the side that is disposed at the frame that can take in article, it is characterized in that possessing:
Walking carriage can be walked on above-mentioned walking path;
The mast of lattice construction stands and is located at above-mentioned walking carriage;
Bay-lift is guided by above-mentioned mast along the vertical direction; And
Shifting apparatus is installed on above-mentioned bay-lift;
Above-mentioned mast has:
A plurality of pillar parts have the guiding part to above-mentioned bay-lift channeling conduct;
A plurality of tilt components connect above-mentioned a plurality of pillar parts each other;
A plurality of first horizontal parts are configured in the connection location of above-mentioned pillar part and above-mentioned tilt component; And
A plurality of second horizontal parts dispose one each other at least at above-mentioned first horizontal part.
2. stack crane as claimed in claim 1 is characterized in that,
Above-mentioned second horizontal part disposes a plurality of at above-mentioned first horizontal part each other.
3. stack crane as claimed in claim 1 is characterized in that,
Above-mentioned a plurality of pillar part be configured in above-mentioned walking carriage direction of travel and with four jiaos of the fore-and-aft direction of above-mentioned direction of travel quadrature;
Above-mentioned tilt component is located at the both sides of above-mentioned fore-and-aft direction;
Above-mentioned first horizontal part is located at the both sides of above-mentioned direction of travel;
Above-mentioned second horizontal part is located at a side of above-mentioned direction of travel.
4. stack crane as claimed in claim 1 is characterized in that also possessing:
Ladder sections, this ladder sections are fixed on above-mentioned first horizontal part and above-mentioned second horizontal part.
CN201110193346.4A 2010-07-15 2011-07-11 Stacker crane Active CN102336381B (en)

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JP2010160609A JP5110124B2 (en) 2010-07-15 2010-07-15 Stacker crane

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CN102336381B CN102336381B (en) 2015-05-06

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