CN108639649B - Multilayer shuttle trades layer safety device - Google Patents
Multilayer shuttle trades layer safety device Download PDFInfo
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- CN108639649B CN108639649B CN201810662997.5A CN201810662997A CN108639649B CN 108639649 B CN108639649 B CN 108639649B CN 201810662997 A CN201810662997 A CN 201810662997A CN 108639649 B CN108639649 B CN 108639649B
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- 230000007246 mechanism Effects 0.000 claims description 10
- 230000003028 elevating effect Effects 0.000 claims description 9
- 229910000831 Steel Inorganic materials 0.000 claims description 5
- 239000010959 steel Substances 0.000 claims description 5
- 239000013013 elastic material Substances 0.000 claims description 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 3
- 229910052802 copper Inorganic materials 0.000 claims description 3
- 239000010949 copper Substances 0.000 claims description 3
- 238000005096 rolling process Methods 0.000 claims description 2
- 230000007704 transition Effects 0.000 abstract description 17
- 230000000712 assembly Effects 0.000 abstract 3
- 238000000429 assembly Methods 0.000 abstract 3
- 239000010410 layer Substances 0.000 description 27
- 230000006872 improvement Effects 0.000 description 9
- 238000013461 design Methods 0.000 description 5
- 238000012937 correction Methods 0.000 description 4
- 210000001503 joint Anatomy 0.000 description 4
- 230000005484 gravity Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
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- 239000002356 single layer Substances 0.000 description 1
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Classifications
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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
- B65G1/00—Storing articles, individually or in orderly arrangement, in warehouses or magazines
- B65G1/02—Storage devices
- B65G1/04—Storage devices mechanical
- B65G1/0492—Storage devices mechanical with cars adapted to travel in storage aisles
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Lift-Guide Devices, And Elevator Ropes And Cables (AREA)
- Warehouses Or Storage Devices (AREA)
Abstract
The invention discloses a multilayer shuttle layer-changing safety device which comprises a goods shelf side limiting assembly, a lifter side limiting assembly and a swing arm device. The goods shelf side limiting component is arranged at the outer side of the end head of the travelling rail of each layer of shuttle; the lifter side limiting assembly and the swing arm device are arranged on the lifting table of the layer-changing lifter and lift together with the lifting table. The limit assemblies on the two sides do not have opening and closing power and are uniformly driven by the swing arm device. The limiting assemblies on two sides are provided with guide grooves, and when the shuttle is in transition between the rails on two sides, the swing arm device and the guide grooves of the limiting assemblies act together to enable the rails on two sides to form a temporary rigid connection structure. The invention has compact structure and realizes the automatic opening and closing of the limiting component in a low-cost mode; the invention has the function of correcting the problem of dislocation of the layer-changing elevator lifting platform commonly existing; the invention eliminates the sinking and rebound phenomena caused by the corresponding change of the deflection of the rail end along with the change of the load in the transition process of the shuttle.
Description
Technical Field
The invention belongs to the technical field of automated management of intensive stereoscopic warehouses, and particularly relates to a multilayer shuttle layer-changing safety device.
Background
With the vigorous development of the e-commerce industry, the logistics technology is continuously improved, and the multi-layer shuttle dense storage system is more and more widely applied in China. Because the number of the shuttles can be optimally configured according to the requirements, the multi-layer operation mode is more economical and applicable than the single-layer operation mode. However, adopting the multi-layer operation mode inevitably faces the smooth layer change problem of the shuttle. The shuttle layer change is generally realized by adopting a lifter, and in the prior art, the defects are mainly manifested in the following three aspects: (1) the limiting device of the running track end of each layer of shuttle adopts a self-powered form, so that the power sources are excessive; (2) after the lifting platform of the layer-changing elevator stops, certain dislocation generally exists with the traveling track of the shuttle, including height dislocation and angle dislocation, the shuttle needs to pass in and out of the elevator by a span, so that the phenomenon of clamping stagnation and platform jump of different degrees exists during the transition of the shuttle, and the service life of the traveling driving system of the shuttle is also influenced; (3) in the transition process of the shuttle, the rail end is a free cantilever end, the deflection of the rail end correspondingly changes along with the change of the load, and the sinking or rebound phenomenon occurs.
Therefore, how to realize the automatic opening and closing of the limiting device and ensure the accurate butt joint of the lifting platform of the layer-changing elevator and the running track, and the realization of stable layer-changing of the shuttle is a technical problem to be solved at the present stage.
Disclosure of Invention
In order to overcome the above-mentioned drawbacks and disadvantages of the prior art, the present invention has three objects: (1) the problem of excessive power sources of the shuttle safety limiting device in the prior art is solved; (2) correcting the height dislocation and the angle dislocation when the layer-changing shuttle lifting platform is stopped, and solving the problem of clamping stagnation and platform jump during the transition of the shuttle; (3) and the sinking and rebound phenomena of the rail end head during the transition of the shuttle are eliminated.
The invention adopts the following design structure and design scheme: the utility model provides a multilayer shuttle trades layer safety device, includes goods shelves side limit assembly (1), hoist side limit assembly (2) and swing arm device (3), goods shelves side limit assembly (1) are installed in every layer of shuttle travel track (100) end outside, hoist side limit assembly (2) are installed in elevating platform track (200) end outside, swing arm device (3) are installed in close proximity to hoist side limit assembly (2), hang and install in elevating platform track (200) below, hoist side limit assembly (2) and swing arm device (3) are gone up and down together with the elevating platform; the goods shelf side limiting assembly (1) and the lifter side limiting assembly (2) are driven by the swing arm device (3) in a unified mode and opened and closed in a unified mode; guide grooves are formed in the goods shelf side limiting assembly (1) and the lifter side limiting assembly (2), and when the shuttle (300) transits between the shuttle running track (100) and the lifting table track (200), the swing arm device (3) and the guide grooves in the goods shelf side limiting assembly (1) and the lifter side limiting assembly (2) act together to enable the two side tracks to form a temporary rigid connection structure.
As a further improvement of the scheme, the goods shelf side limiting assembly (1) comprises a first buffer (11), the first buffer (11) is connected with the head of a first buffer mounting plate (12), the middle part of the first buffer mounting plate (12) is connected with a first pin shaft (16), two ends of the first pin shaft (16) are respectively connected with a first fixing plate (13) and a second fixing plate (14), and the first fixing plate (13) and the second fixing plate (14) are simultaneously connected with a shuttle running track (100); the lifter side limiting assembly (2) comprises a second buffer (21), the second buffer (21) is connected with the head of a second buffer mounting plate (22), the middle of the second buffer mounting plate (22) is connected with a second pin shaft (26), two ends of the second pin shaft (26) are respectively connected with a first fixed plate (23) and a second fixed plate (24), and the first fixed plate (23) and the second fixed plate (24) are simultaneously connected with a lifting table track (200); swing arm device (3) are connected with elevating platform track (200) through mount pad one (32), mount pad one (32) bottom surface connection mount pad two (33), set up power unit (31), detection device one (36), detection device two (37) and swing arm subassembly (34) on the mount pad two (33), swing arm subassembly (34) are including swing arm (341), pendulum rod (342), install bearing (38) on pendulum rod (342), are equipped with spacing angle steel (35) between swing arm (341) and mount pad two (33), and swing arm subassembly (34) link to each other with the output shaft of power unit (31) to do reciprocating swing under its drive, the swing in-process, drive the opening and shutting of goods shelves side spacing subassembly (1) and hoist side spacing subassembly (2) simultaneously.
As a further improvement of the scheme, a guide groove is arranged on the first fixed plate I (13), the opening is in a horn mouth shape, and the ending section is in a circular arc shape and is matched with the swing track of the bearing (38); the first fixing plate (23) is provided with a guide groove, the opening of the guide groove is arc-shaped, and the shape of the opening is matched with the swing track of the bearing (38); the bearing (38) rolls along the guide grooves on the first fixing plate (13) and the second fixing plate (23) when swinging along with the swing arm assembly (34).
As a further improvement of the scheme, the tail end of the first buffer mounting plate (12) positioned at the lower part of the shuttle running track (100) is of an arc structure, and the radian is consistent with the rotation track of the swing arm device (3); the tail end of the second buffer mounting plate (22) positioned at the lower part of the lifting platform track (200) is of an arc structure, and the radian is consistent with the rotation track of the swing arm device (3).
As a further improvement of the scheme, the number of the bearings (38) is two, and the bearings roll along the guide grooves on the first fixed plate (13) and the second fixed plate (23) respectively.
As a further improvement of the scheme, the first fixing plate I (13) and the second fixing plate I (23) are respectively higher than the sections of the traveling surfaces of the shuttle traveling rail (100) and the lifting platform rail (200) and serve as rigid supports when the first buffer mounting plate (12) and the second buffer mounting plate (22) are deformed.
As a further improvement of the scheme, a first auxiliary rotating element (18) and a second auxiliary rotating element (28) are arranged between the first buffer mounting plate (12) and the second buffer mounting plate (22) and the first pin shaft (16) and the second pin shaft (26) respectively, and the first auxiliary rotating element (18) and the second auxiliary rotating element (28) comprise bearings and copper sleeves.
As a further improvement of the scheme, elastic materials are arranged at the contact positions of the first buffer mounting plate (12) and the second buffer mounting plate (22) and the track.
As a further improvement of the scheme, the goods shelf side limiting assembly (1) and the lifter side limiting assembly (2) are respectively provided with a first counterweight (17) and a second counterweight (27).
As a further improvement of the scheme, the goods shelf side limiting assembly (1) and the lifter side limiting assembly (2) are respectively provided with a first limiting plate (15) and a second limiting plate (25).
According to the multilayer shuttle layer-changing safety device, the goods shelf side limiting component (1) is positioned at the end of a shuttle running track (100) on one side of a goods shelf, and each layer of goods shelf is provided with one group; the lifting machine side limiting component (2) is positioned at the end of a lifting table rail (200) of the lifting machine and moves along with the lifting table in a lifting way together with the swing arm device (3), so that the lifting machine side limiting component is in butt joint with the goods shelf side limiting components (1) of different height layers of the goods shelf; the goods shelf side limiting assembly (1) and the lifter side limiting assembly (2) do not have opening and closing power, and the goods shelf side limiting assembly and the lifter side limiting assembly are driven by the swing arm device (3) to open and close, so that the layer of the shuttle (300) in the goods shelf is replaced.
The working flow is as follows: initial state (goods shelf side limit component and lifter side limit component are in limit state, swing arm device is in initial position) →lifting platform stop position, shuttle preparation transition→working state (lifting platform stop position correction, track temporary rigid butt joint, goods shelf side limit component and lifter side limit component are in open state) →shuttle transition→reset (swing arm device, goods shelf side limit component and lifter side limit component reset).
1. The initial state comprises that the goods shelf side limiting assembly (1), the lifter side limiting assembly (2) and the swing arm device (3) are located at initial positions.
The goods shelf side limiting assembly (1) and the lifter side limiting assembly (2) are located in a limiting state: when the shuttle (300) runs on the shuttle running track (100) and the shuttle (300) ascends and descends along with the elevating platform, the goods shelf side limiting assembly (1) and the lifter side limiting assembly (2) are in limiting states, so that safety of the shuttle (300) is guaranteed.
The swing arm device (3) is positioned at the initial position: in the process that the swing arm device (3) does not work or is lifted along with the lifting platform, the swing rod (342) of the swing arm assembly (34) is contracted at the inner side of the lifting platform track (200) so as to avoid collision with the track and the like. The initial position of the swing arm assembly (34) is detected through a first detection device (36), and the swing arm assembly (34) is mechanically limited through a limiting angle steel (35).
2. The lifting platform is stopped, and the shuttle is ready for transition.
3. The working state is that the lifting platform stop dislocation correction, the temporary rigid butt joint of the track and the goods shelf side limit component (1) and the lifter side limit component (2) are in an open state.
Starting layer-changing operation, driving the swing arm device (3) to operate, and forming a temporary rigid connection structure by the goods shelf side limiting assembly (1) and the lifter side limiting assembly (2): when the layer change operation is required to be carried out on the shuttle (300), the system controls the lifting platform to stop, after the stop is completed, the power mechanism (31) is started, the swing arm assembly (34) is driven to rotate specifically by the swing arm (341) from the lower side of the lifting platform rail (200) to the outer side of the lifting platform rail (200), the bearing (38) moves along with the swing arm and firstly enters the circular arc-shaped guide groove of the lifting machine side limiting assembly (2), the swing arm (341) continues to rotate, the bearing (38) rolls along the opening wire of the horn mouth guide groove of the goods shelf side limiting assembly (1), and the dislocation between the shuttle running rails (100) and the lifting platform rail (200) on two sides is corrected. After the dislocation is corrected, the bearing (38) rolls to the guide groove tail-collecting section, the swing arm (341) is clamped into the guide grooves of the goods shelf side limiting assembly (1) and the lifter side limiting assembly (2), and the shuttle running rails (100) and the lifting table rails (200) on two sides form a temporary rigid connection structure.
The goods shelf side limiting assembly (1) and the lifter side limiting assembly (2) are in an opening state, the swing arm assembly (34) toggles the first buffer mounting plate (12) and the second buffer mounting plate (22) in the swing process, and the goods shelf side limiting assembly (1) and the lifter side limiting assembly (2) are opened to give up a shuttle running channel. The circular arc design of the tail sections of the first buffer mounting plate (12) and the second buffer mounting plate (22) ensures that the opening degree of the goods shelf side limiting assembly (1) and the lifting machine side limiting assembly (2) is not increased continuously or reset automatically in advance due to the fact that the swing arm assembly 34 rotates continuously. The maximum opening of the goods shelf side limiting assembly (1) and the lifter side limiting assembly (2) is limited by the first limiting plate (15) and the second limiting plate (25), so that the first buffer (11) and the second buffer (21) are prevented from reversing outwards and cannot be reset automatically or interfere with adjacent equipment and materials.
4. Shuttle transition: the shuttle (300) may transition smoothly at this time.
5. The reset comprises the reset of the swing arm device (3), the reset of the goods shelf side limiting component (1) and the reset of the lifter side limiting component (2).
The swing arm device (3) is reset: after the shuttle (300) finishes transition, the swing arm device (3) swings from the outer side of the rail to the inner side of the rail, and returns to the initial position.
The goods shelf side limiting component (1) and the lifter side limiting component (2) are reset: in the resetting process of the swing arm device (3), external forces acting on the goods shelf side limiting assembly (1) and the lifter side limiting assembly (2) gradually disappear, and the goods shelf side limiting assembly (1) and the lifter side limiting assembly (2) automatically reset due to the fact that the gravity center is offset towards the inner side of the track relative to the turning point. Thus, the layer change of the shuttle (300) is completed.
Compared with the prior art, the device has the beneficial effects that: 1. the adopted goods shelf side limiting component and the lifter side limiting component change the form that each layer of shuttle running track is self-powered, the swing arm device on the lifting platform is unified to finish opening and closing actions, and compared with the limiting device with the opening and closing power, the structure is simplified, and the manufacturing cost of the multi-layer shuttle dense storage system is obviously reduced. 2. According to the device, through the design of the swing arm structure, in the process that the swing arm is clamped into the guide grooves of the goods shelf side limiting assembly and the lifter side limiting assembly, the stop error of the layer-changing shuttle lifting table is gradually corrected, so that the clamping stagnation and the table jump phenomenon during the transition of the shuttle are eliminated. 3. The device forms a temporary rigid connection structure by the goods shelf side limiting component and the lifter side limiting component, solves the problem that deflection of the rail end head is correspondingly changed along with load change in the moving process of the shuttle, eliminates the sinking and rebound phenomena of the rail end head, and ensures stable transition of the shuttle.
Drawings
Fig. 1 is an overall schematic diagram of a multi-layer shuttle layer change safety device of the present invention.
Fig. 2 is a schematic structural view of a shelf-side limiting assembly of the multi-layer shuttle level changing safety device of the present invention.
Fig. 3 is a schematic structural view of a lifter side limit assembly of the multi-layer shuttle layer-changing safety device of the present invention.
Fig. 4 is a schematic structural view of a swing arm device of the multilayer shuttle layer-changing safety device according to the present invention.
Fig. 5 is a schematic view showing the shelf side limit assembly and the lifter side limit assembly of the present invention in a limit state.
Fig. 6 is a schematic view showing the shelf side limit assembly and the lifter side limit assembly of the present invention in an open state.
Fig. 7 is a schematic diagram of an overall application of the multi-layer shuttle layer change safety device of the present invention.
Reference numerals in the drawings: 100-shuttle running tracks; 200-lifting table tracks; 300-shuttle; 1-a shelf side limit assembly; 2-a lifter side limit assembly; 3-a swing arm device; 11-a first buffer; 12-a first buffer mounting plate; 13-first fixing plate one; 14-a first fixing plate II; 15-a first limiting plate; 16-a first pin; 17-a first counterweight; 18-a first auxiliary rotating element; 19-a first pin fastener; 21-a second buffer; 22-a second damper mounting plate; 23-a first second fixing plate; 24-a second fixing plate II; 25-a second limiting plate; 26-a second pin; 27-a second counterweight; 28-a second auxiliary rotating element; 29-a second pin fastener; 31-a power mechanism; 32-mounting seat I; 33-a second mounting seat; 34-a swing arm assembly; 35-limiting angle steel; 36-detecting a first device; 37-detecting device II; 38-a bearing; 341-swing arms; 342-swinging rod.
Detailed Description
The invention is described in further detail below by means of the figures and examples, but the scope of protection of the invention is not limited to the description.
The following defines the space between the shuttle travel rail 100 and the elevating platform rail 200 as the inner side, and vice versa.
As shown in fig. 1 to 4, a multi-layer shuttle layer change safety device includes a shelf side limit assembly 1, a lifter side limit assembly 2, and a swing arm device 3. The shelf side limiting component 1 is arranged on the outer side of the end head of the shuttle running rail 100 of each layer, and a group of shelves is arranged on each layer. The lifter side limiting assembly 2 is arranged on the outer side of the end head of the lifter side limiting assembly 200, the swing arm device 3 is arranged close to the lifter side limiting assembly 2, the swing arm device 3 is arranged below the lifter side limiting assembly 200 in a hanging mode, and the lifter side limiting assembly 2 and the swing arm device 3 lift together with the lifter. The goods shelf side limiting component 1 and the lifter side limiting component 2 do not have opening and closing power and are uniformly driven by the swing arm device 3. The goods shelf side limiting component 1 and the lifter side limiting component 2 are respectively provided with a guide groove, and when the shuttle 300 transits between the shuttle running rail 100 and the lifting platform rail 200, the swing arm device 3 is clamped in the guide grooves of the goods shelf side limiting component 1 and the lifter side limiting component 2, so that the rails on two sides form a temporary rigid connection structure.
Specifically, the shelf-side limiting assembly 1 is integrally connected with the shuttle running rail 100 through the first fixing plate 13 and the second fixing plate 14, the first fixing plate 13 and the second fixing plate 14 serve as an integral mounting seat, and the first fixing plate 13 is higher than the running surface of the shuttle running rail 100 by one section and serves as a rigid support when the first buffer mounting plate 12 is deformed, and meanwhile, the first buffer mounting plate 12 is prevented from being failed due to plastic deformation.
The goods shelf side limiting assembly 1 comprises a first buffer 11, the first buffer 11 is connected with the head of a first buffer mounting plate 12, the first buffer 11 is arranged at the upper part of a shuttle running track 100 through the first buffer mounting plate 12, the middle part of the first buffer mounting plate 12 is connected with a first pin 16, two ends of the first pin 16 are respectively connected with a first fixing plate 13 and a second fixing plate 14, and the first fixing plate 13 and the second fixing plate 14 are simultaneously connected with the shuttle running track 100; the first pin 16 terminates in a first pin fastener 19.
The first buffer 11 is made of elastic materials, and a first limiting plate 15 is arranged on the shelf side limiting assembly 1 in order to prevent the first buffer 11 from reversing to the outside of the rail and not resetting automatically or interfering with adjacent equipment and materials.
Elastic materials are arranged at the contact part of the first buffer mounting plate 12 and the track so as to reduce impact noise when the limiting assembly is reset.
For better matching, the matching position of the first pin 16 and the first fixing plate 13 and the second fixing plate 14 is milled flat.
In order to provide for a flexible rotation of the first damper mounting plate 12 about the first pin 16, a first auxiliary rotating element 18, which may be a bearing, a copper sleeve, or the like, is provided therebetween.
In order to ensure that the shelf side limiting assembly 1 can be quickly and automatically reset when no external force is applied, a first counterweight 17 is arranged on the first buffer mounting plate 12 close to the inner side of the rail. In order to ensure that the opening degree of the shelf side limiting assembly 1 is continuously increased or is automatically reset in advance due to the continuous rotation of the swing arm device 3 after the shelf side limiting assembly 1 is opened, the tail end of the first buffer mounting plate 12, which is positioned at the lower part of the shuttle running rail 100, is designed to be in an arc structure, and the radian of the tail end is consistent with the rotation track of the swing arm device 3.
The lifter side limiting assembly 2 is installed on the outer side of the end of the lifting platform rail 200, and except that the shape of the guide groove on the second fixing plate one 23 is inconsistent with that of the guide groove on the first fixing plate one 13, the lifter side limiting assembly 2 adopts the same structural design as the goods shelf side limiting assembly 1, and the details are omitted here.
The swing arm device 3 is connected with the lifting platform rail 200 through a first mounting seat 32, a second mounting seat 33 is connected to the bottom surface of the first mounting seat 32, and a power mechanism 31, a first detection device 36, a second detection device 37 and a swing arm assembly 34 are arranged on the second mounting seat 33.
Wherein the power mechanism 31 comprises a motor, a cylinder, an electric cylinder, an electromagnet, etc.
The swing arm assembly 34 comprises a swing arm 341, the swing arm 341 is connected with a swing arm 342, a limiting angle steel 35 is arranged between the swing arm 342 and the second mounting seat 33, and the swing arm assembly 34 swings reciprocally under the driving of the power mechanism 31, so that the goods shelf side limiting assembly 1 and the lifter side limiting assembly 2 are driven to open and close.
The first detecting device 36 and the second detecting device 37 are respectively used for detecting the initial position and the working position of the swing arm. During the period when the swing arm device 3 is not in operation or is lifted together with the lifting platform, the swing rod 342 of the swing arm assembly 34 is contracted inside the lifting platform track 200, and the initial position of the swing arm assembly 34 is detected by the first detection device 36. When the shuttle is completed, the swing arm device 3 swings from the outside of the elevating platform rail 200 to the inside of the rail, and returns to the initial position, the reset state is detected by the first detection device 36.
The swing arm assembly 34 is used for correcting the stop dislocation of the lifting platform of the layer-changing lifter, and the state that the shelf side limiting assembly 1 and the lifter side limiting assembly 2 are driven to be opened is detected by the detection device II 37.
Preferably, the guide grooves provided on the first fixing plate 13 and the second fixing plate 23 are bearing guide grooves, and the swing arm assembly 34 is provided with two bearings 38, more specifically, two bearings 38 are mounted on the swing rod 342, so as to reduce friction between the swing arm assembly 34 and the bearing guide grooves.
The two bearings 38 roll along the bearing guide grooves on the first fixing plate 13 and the second fixing plate 23 during the swing of the swing arm assembly 34. The opening of the guide groove on the first fixed plate 23 of the lifter side limiting assembly 2 is arc-shaped and is matched with the swing track of the bearing 38, and the swing rod 342 is supported and guided in the swing process of dislocation correction of the swing arm device 3, so that the stress condition of the output shaft of the power mechanism 31 is greatly improved. The guide groove on the first fixed plate 13 of the goods shelf side limiting assembly 1 is in a horn mouth shape, the tail-collecting section is in a circular arc shape, the shape of the tail-collecting section is matched with the swing track of the bearing 38, and the correction of the stop dislocation of the lifting platform of the layer-changing lifting machine is gradually completed in the rolling process of the bearing 38 along the wire of the horn mouth opening. After the dislocation is corrected, the swing arm assembly 34 is clamped in the guide grooves of the goods shelf side limiting assembly 1 and the lifter side limiting assembly 2, so that the shuttle running rail 100 and the lifting table rail 200 on two sides form a temporary rigid connection structure, and the sinking and rebound phenomena caused by corresponding change of the deflection of the rail end along with the change of the load in the transition process of the shuttle are eliminated. At this time, the gravity of the shuttle 300 during the transition is borne by the first fixing plate 13 and the second fixing plate 23, and the output shaft of the power mechanism 31 does not bear the gravity of the shuttle 300.
When the shuttle 300 transitions between the shuttle travel rail 100 and the elevating platform rail 200, the swing arm device 3 is gradually combined with the shelf side limit assembly 1 and the lifter side limit assembly 2, and the rails on both sides form a temporary rigid connection structure. The method comprises the following steps: the lifting platform is controlled to stop, then the power mechanism 31 is started, the swing arm assembly 34 is driven to swing, at the moment, the swing arm 341 rotates towards the outer side of the lifting platform rail 200 through the lower side of the lifting platform rail 200, the bearing 38 moves along with the swing arm and firstly enters into the circular arc-shaped guide groove of the lifting platform side limiting assembly 2, the swing arm 341 continues to rotate, the bearing 38 rolls along the opening wire of the horn mouth guide groove of the goods shelf side limiting assembly 1, and the dislocation between the shuttle running rail 100 and the lifting platform rail 200 at the two sides is corrected. After the dislocation is corrected, the bearing 38 rolls to the guide groove tail-collecting section, the swing arm 341 is clamped into the guide grooves of the goods shelf side limiting assembly 1 and the lifter side limiting assembly 2, and the shuttle running rail 100 and the lifting table rail 200 on two sides form a temporary rigid connection structure. At this time, the shelf side limit assembly 1 and the lifter side limit assembly 2 are in an opened state, and the shuttle 300 can be smoothly transited, thereby completing the layer change of the shuttle 300.
In a preferred or alternative embodiment, the first fixing plate 13 and the second fixing plate 23 of the goods shelf side limiting component 1 and the lifter side limiting component 2 are not provided with guide grooves, and are only used for realizing the safety limiting function of the shuttle.
The above embodiments are only for illustrating the technical solution of the present invention, and are not limiting; while the invention has been described in detail with reference to the foregoing embodiments, it will be apparent to one skilled in the art that modifications may be made to the techniques described in the foregoing embodiments, or equivalents may be substituted for elements thereof; such modifications and substitutions do not depart from the spirit and scope of the corresponding technical solutions.
Claims (9)
1. The multilayer shuttle layer-changing safety device comprises a goods shelf side limiting assembly (1), a lifter side limiting assembly (2) and a swing arm device (3), and is characterized in that the goods shelf side limiting assembly (1) is arranged on the outer side of the end of each layer of shuttle running track (100), the lifter side limiting assembly (2) is arranged on the outer side of the end of a lifting platform track (200), the swing arm device (3) is arranged close to the lifter side limiting assembly (2) and is hung below the lifting platform track (200), and the lifter side limiting assembly (2) and the swing arm device (3) are lifted together with the lifting platform; the goods shelf side limiting component (1) and the lifter side limiting component (2) are driven by the swing arm device (3) in a unified manner and opened and closed in a unified manner; guide grooves are formed in the goods shelf side limiting assembly (1) and the lifter side limiting assembly (2), and when the shuttle (300) transits between the shuttle running track (100) and the lifting table track (200), the swing arm device (3) acts together with the guide grooves in the goods shelf side limiting assembly (1) and the lifter side limiting assembly (2) to enable the two side tracks to form a temporary rigid connection structure;
the goods shelf side limiting assembly (1) comprises a first buffer (11), the first buffer (11) is connected with the head of a first buffer mounting plate (12), the middle of the first buffer mounting plate (12) is connected with a first pin shaft (16), two ends of the first pin shaft (16) are respectively connected with a first fixing plate (13) and a second fixing plate (14), and the first fixing plate (13) and the second fixing plate (14) are simultaneously connected with a shuttle running track (100); the lifter side limiting assembly (2) comprises a second buffer (21), the second buffer (21) is connected with the head of a second buffer mounting plate (22), the middle of the second buffer mounting plate (22) is connected with a second pin shaft (26), two ends of the second pin shaft (26) are respectively connected with a first fixed plate (23) and a second fixed plate (24), and the first fixed plate (23) and the second fixed plate (24) are simultaneously connected with the lifting table track (200);
the swing arm device (3) is connected with the lifting platform rail (200) through a first mounting seat (32), the bottom surface of the first mounting seat (32) is connected with a second mounting seat (33), a power mechanism (31), a first detection device (36), a second detection device (37) and a swing arm assembly (34) are arranged on the second mounting seat (33),
the swing arm assembly (34) comprises a swing arm (341) and a swing rod (342), a bearing (38) is arranged on the swing rod (342), a limiting angle steel (35) is arranged between the swing arm (341) and a second mounting seat (33), the swing arm assembly (34) is connected with an output shaft of the power mechanism (31) and is driven to swing back and forth, and in the swing process, the cargo rack side limiting assembly (1) and the lifter side limiting assembly (2) are driven to open and close simultaneously.
2. The multilayer shuttle layer changing safety device according to claim 1, wherein the first fixing plate (13) is provided with a guide groove, the opening is in a horn mouth shape, and the ending section is in a circular arc shape and is matched with the swinging track of the bearing (38); the first fixing plate (23) is provided with a guide groove, the opening of the guide groove is arc-shaped, and the shape of the opening is matched with the swing track of the bearing (38); the bearing (38) rolls along the guide grooves on the first fixing plate (13) and the second fixing plate (23) when swinging along with the swing arm assembly (34).
3. The multilayer shuttle layer-changing safety device according to claim 1, wherein the tail end of the first buffer mounting plate (12) positioned at the lower part of the shuttle running track (100) is of an arc structure, and the arc is as close as the rotation track of the swing arm device (3); the tail end of the second buffer mounting plate (22) positioned at the lower part of the lifting platform track (200) is of an arc structure, and the radian is consistent with the rotation track of the swing arm device (3).
4. The multilayer shuttle floor change safety device according to claim 1 or 2, characterized in that the number of bearings (38) is two, rolling along the guide grooves on the first fixing plate (13) and the second fixing plate (23), respectively.
5. The multilayer shuttle floor changing safety device according to claim 1 or 2, wherein the first fixing plate (13) and the second fixing plate (23) are respectively higher than the traveling surfaces of the shuttle traveling rail (100) and the elevating platform rail (200) to serve as rigid supports when the first buffer mounting plate (12) and the second buffer mounting plate (22) are deformed.
6. A multilayer shuttle floor change safety device according to claim 1 or 3, characterized in that a first auxiliary rotating element (18) and a second auxiliary rotating element (28) are arranged between the first buffer mounting plate (12) and the second buffer mounting plate (22) and the first pin shaft (16) and the second pin shaft (26), respectively, and the first auxiliary rotating element (18) and the second auxiliary rotating element (28) comprise bearings and copper sleeves.
7. A multi-layered shuttle car layer change safety device according to claim 1 or 3, characterized in that the first buffer mounting plate (12), the second buffer mounting plate (22) are provided with an elastic material at the contact with the rail.
8. The multilayer shuttle floor changing safety device according to claim 1 or 2, characterized in that the shelf side limit assembly (1) and the lifter side limit assembly (2) are further provided with a first counterweight (17) and a second counterweight (27), respectively.
9. The multilayer shuttle floor changing safety device according to claim 1 or 2, characterized in that the shelf side limit assembly (1) and the lifter side limit assembly (2) are respectively provided with a first limit plate (15) and a second limit plate (25).
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| CN201810662997.5A CN108639649B (en) | 2018-06-25 | 2018-06-25 | Multilayer shuttle trades layer safety device |
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| CN201810662997.5A CN108639649B (en) | 2018-06-25 | 2018-06-25 | Multilayer shuttle trades layer safety device |
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| CN110253535B (en) * | 2019-06-05 | 2021-06-04 | 北京英鸿光大科技有限公司 | Inspection robot for nanofiber production |
| CN110253534B (en) * | 2019-06-05 | 2021-07-02 | 北京英鸿光大科技有限公司 | Nanofiber production is with inspection robot device of going upstairs or downstairs |
| CN110937302A (en) * | 2019-12-12 | 2020-03-31 | 深圳创维－Rgb电子有限公司 | Stereoscopic garage shuttle layer changing device and control method |
| CN112278675A (en) * | 2020-07-29 | 2021-01-29 | 北京京东乾石科技有限公司 | Safety track, goods shelf shuttle track system and warehousing system |
| CN113978997B (en) * | 2021-12-02 | 2024-05-17 | 湖北九州云智科技有限公司 | Passing device for butt joint trolley of lifting machine and goods shelf |
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