CN107399547A - Shelf rollback retention device, commodity shelf system and the method for stopping shelf rollback - Google Patents
Shelf rollback retention device, commodity shelf system and the method for stopping shelf rollback Download PDFInfo
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- CN107399547A CN107399547A CN201710797366.XA CN201710797366A CN107399547A CN 107399547 A CN107399547 A CN 107399547A CN 201710797366 A CN201710797366 A CN 201710797366A CN 107399547 A CN107399547 A CN 107399547A
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- shelf
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- 230000014759 maintenance of location Effects 0.000 title claims abstract description 38
- 238000000034 method Methods 0.000 title claims abstract description 11
- 230000005484 gravity Effects 0.000 claims abstract description 85
- 230000035939 shock Effects 0.000 claims abstract description 55
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims abstract description 24
- 239000000463 material Substances 0.000 claims abstract description 7
- 238000002347 injection Methods 0.000 claims 1
- 239000007924 injection Substances 0.000 claims 1
- 238000005516 engineering process Methods 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 5
- 238000013461 design Methods 0.000 description 4
- 230000003014 reinforcing effect Effects 0.000 description 3
- 238000012856 packing Methods 0.000 description 2
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
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
- B65G1/10—Storage devices mechanical with relatively movable racks to facilitate insertion or removal of articles
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Warehouses Or Storage Devices (AREA)
Abstract
The present invention provides a kind of shelf rollback retention device, commodity shelf system and stops the method that shelf retract, and is related to the technology that the anti-shelf of commodity shelf system are fallen back, for being braked to the shelf of retroversion, prevents its retroversion.The technology uses following scheme：Axle bed is provided with pedestal, axle bed is provided with axle, the block piece for stopping shelf is cased with axle；Block piece is enclosed on axle and can be with pivoting；Fulcrum of the block piece using axle as lever, it includes the first gravity part and the second gravity part positioned at fulcrum both sides；Block piece also includes the shock portion that supply of material frame hits；When first gravity part and the second gravity part balance on fulcrum both sides, impact site is in the top of axle, and it can receive the collision of shelf；Block piece also includes reversing stop part, is additionally provided with pedestal for turning part to the limit for reversing the backwards rotation of stop part to be limited, when reversing stop part to be inversely braked, impact site is in the top of axle, and it can receive the collision of shelf.
Description
Technical field
The present invention relates to logistics field, more particularly to a kind of stopper technology for commodity shelf system.
Background technology
Existing rail shelf such as Chinese Patent Application No. is 201510248361.2, a kind of entitled " novel intelligent
Change automatic stereo warehouse electrical moving shelf ", its publication date is on January 4th, 2017.Roller is arranged below in the shelf,
Roller is provided with column, and crossbeam is provided between column, and drive device and control device are provided with beside column；Roller is in groove profile rail
Moved in road.Drive device driving shelf on shelf move in orbit.Its own carries drive device to above-mentioned shelf, by electricity
Machine is driven, and its roller is arranged on below column.Brake apparatus is provided with below roller, it is necessary to when braking, starts automatic dress
Put, block roller, shelf are stop motion.
The shelf of above-mentioned commodity shelf system are the shelf independently driven, and shelf control it to move and make by electric control system
It is dynamic.Shelf for being fitted without electric device, then for：The shock shelf above of shelf are realized to shelf below below
Braking, if shelf above do not stop, shelf below will not stop, if shelf below are removed, before
Shelf may fall back.
The content of the invention
First technical problem to be solved by this invention is to provide a kind of shelf rollback retention device, to prevent thereon
The shelf for being fitted without brake gear are fallen back.
Second technical problem to be solved by this invention is to provide a kind of commodity shelf system with retention device, thereon
Shelf can be braked when falling back to it, prevent its retroversion.
3rd technical problem to be solved by this invention is to provide a kind of method for stopping shelf and retracting, in shelf
It can be braked when falling back, prevent its retroversion.
In order to solve first technical problem of the present invention, the present invention proposes a kind of shelf rollback retention device, including base
Seat, is provided with axle bed, axle bed is provided with axle, the block piece for stopping shelf is cased with axle on pedestal；Block piece is enclosed on axle
And can be with pivoting；Fulcrum of the block piece using axle as lever, it includes the first gravity part and the second weight positioned at fulcrum both sides
Power portion；Block piece also includes the shock portion that supply of material frame hits；When first gravity part and the second gravity part balance on fulcrum both sides, hit
The top that portion is located at axle is hit, and it can receive the collision of shelf；
Block piece also includes reversing stop part, is additionally provided with pedestal for limiting the backwards rotation for reversing stop part
The limit of system turns part, and when reversing stop part to be inversely braked, impact site is in the top of axle, and it can receive touching for shelf
Hit.
Preferably：Second gravity part includes being used for the counterweight part for making shock portion playback.Counterweight part is used to adjust second
The position of gravity part weight and its center of gravity, it can be a protruding part on block piece.
Preferably：First gravity part includes braking parts；Braking parts include reversing stop part；The counterweight part and braking
Portion is respectively provided at the both sides in the shock portion.
It is the position for turning part contact impact with limit to reverse stop part.Limit, which turns part, to reverse the upper position on the outside of stop part
Put, lower position on the outside of part can also be turned in limit.In one embodiment, limit turns part positioned at the lower section reversed on the outside of stop part
The situation of position, counterweight part be located at shelf to side, braking parts are located at the side in shelf rollback direction, and shelf come to for goods
Frame passes through the direction in shock portion, and now shelf promote shock portion to rotate forward；Shelf rollback direction is the side that shelf are fallen back
To now shelf promote shock portion to reverse；During original state, impact site is in the top of axle and stretches out axle bed.In another reality
Apply in example, limit turns part positioned at the situation for reversing the top position on the outside of stop part, and counterweight part is located at the side of shelf rollback, braking
Portion is located at side of the shelf to direction.
Preferably：Turn part provided with limit on the outside of the braking parts, limit turns part and is fixed on the axle bed, reverse in braking parts
After rotation, limit can be touched and turn part, by its stop.
Preferably：Groove is provided with the side of axle bed, the limit turns part and is fixed in groove.Limit turn part can frequently by
Hit, be placed in groove, influence of the vibration to screw can be mitigated, prevent it from releasing.Limit, which turns part, to be welded on axle bed,
It can also be fixed by screws on axle bed, but belong to the part being easily lost because limit turns part, it uses independent accessory
Mode advantageously reduces maintenance cost, and it is in the event of loss, replacing.
Preferably：The axle is connected by bearing with axle bed.
Preferably：Jump ring is provided with the block piece both sides.Jump ring is used to prevent axial movement of the block piece along axle.
Preferably：The block piece is located on triangle position in the top of axle position triangular in shape, the shock portion.It is excellent
It is that triangle is right angled triangle to select one of mode, and wherein right-angle side is the shelf striking face that moves ahead, and hypotenuse is when shelf retreat
Striking face.
Preferably：The counterweight part stretches out the block piece in the horizontal direction, i.e., in 9 positions of clock face.Block piece includes
Axle sleeve position, counterweight part are part raised on the outside of the axle sleeve position of block piece.Shock portion is at 12 positions of clock face, counterweight part
Bearing of trend and shock portion angle at a right angle.
Preferably：The line of the position of centre of gravity and axle center of first gravity part and the second gravity part is with shock portion in 90 degree of folders
Angle.In a preferred embodiment, impact site is located at clock face respectively in 12 positions of clock face, the first gravity part and the second gravity part
3 positions and 9 positions.The center of gravity of lever both sides gravity article is in 90 ° with pivoted arm, and now the weight of gravity article is minimum.Institute
Leverage can be realized with lighter weight with block piece.
Preferably：The free end of the counterweight part is arc.In a preferable mode, counterweight part is bulk, and it is certainly
By holding as arcuation end face.Curved end can make it reduce the chance to be collided with shelf.
Preferably：The pedestal includes base and mounting seat；The fixing hole of base is provided with mounting seat, the two of base
Individual opposite side is equipped with mounting seat, and base is bolted in mounting seat per side at least through 2；Axle bed fixes bottom by screw
On seat；Axle is located between two axle beds.
Preferably：Base fixing hole in the mounting seat is waist-shaped hole.Waist-shaped hole is vertical, and it can be used for adjusting
The height of axle bed.
Preferably：The braking parts include vertical position, and vertical position includes reversing stop part, and limit turns part positioned at described perpendicular
The outside at straight position, when reversing stop part reverse, part obstruction can be turned by limit, block piece can stop backwards rotation.
Preferably：The limit turns the base that part is pedestal；Base is used for fixed plate, and base is located at the axle and block piece
Lower section, there is gap between base and block piece；During block piece backwards rotation, reversing stop part to prop up pedestal makes block piece stop turning
It is dynamic.
In order to solve second technical problem of the present invention, the present invention proposes a kind of commodity shelf system with retention device,
It includes two parallel tracks, it is characterised in that also including foregoing shelf rollback retention device；The shelf, which retract, to be stopped
Device is arranged between two tracks.Shelf rollback retention device includes pedestal, and axle bed is provided with pedestal, and axle bed is provided with
Axle, the block piece for stopping shelf is cased with axle；Block piece is enclosed on axle and can be with pivoting；Block piece is using axle as lever
Fulcrum, it includes the first gravity part and the second gravity part positioned at fulcrum both sides；Block piece also includes hitting for supply of material frame shock
Hit portion；When first gravity part and the second gravity part balance on fulcrum both sides, impact site is in the top of axle, and it can be received
The collision of shelf；Block piece also includes reversing stop part, is additionally provided with pedestal for entering to the backwards rotation for reversing stop part
The limit of row limitation turns part, and when reversing stop part to be inversely braked, impact site is in the top of axle, and it can receive shelf
Collision.
Preferably：Commodity shelf system includes selection position and waits position；The shelf rollback retention device, which is located at, waits position and rail
The position of road handing-over；After the completion of shelf are chosen on selection position, it is moved to and waits on position, by waits the propulsion plant on position to be pushed into
Track, shelf prevent it from retracting into wait position when retreating by the shock portion of the block piece of shelf rollback retention device.Pick
Bit selecting and wait position are two shelf positions on transverse-moving mechanism, can be on shelf when selection position is that shelf enter selection position
Article is operated, and operation includes choosing goods or got in stocks.It is that shelf are traversing to position is waited by choosing position to wait position, is prepared to enter into
The shelf position of main orbit, on position is waited, shelf are pushed into main orbit by pushing mechanism.
In order to solve the 3rd technical problem of the present invention, the present invention proposes a kind of method for stopping shelf and retracting, and it is wrapped
Include：
A kind of such as foregoing shelf rollback retention device of claim is provided between two tracks, is passed through in shelf
Before, under the balance of the first gravity part and the second gravity part, it is located at the top of axle in shock portion；
Wherein, shelf rollback retention device includes pedestal, and axle bed is provided with pedestal, and axle bed is provided with axle, is cased with axle
For stopping the block piece of shelf；Block piece is enclosed on axle and can be with pivoting；Fulcrum of the block piece using axle as lever, it is wrapped
Include the first gravity part and the second gravity part positioned at fulcrum both sides；Block piece also includes the shock portion that supply of material frame hits；First weight
When power portion and the second gravity part balance on fulcrum both sides, impact site is in the top of axle, and it can receive the collision of shelf；
Block piece also includes reversing stop part, is additionally provided with pedestal for turning to the limit for reversing the backwards rotation of stop part to be limited
Part, when reversing stop part to be inversely braked, impact site is in the top of axle, and it can receive the collision of shelf；
Shelf progress through the shelf rollback retention device, touch the shock portion, make shock portion rotate forward
Shelf are allowed by the way that shock portion falls down；
In shelf by rear, because external force disappears, first gravity part and second gravity part of the block piece on axle fulcrum both sides
In the presence of rebalance, block piece restore to the original state, shock portion playback；
When shelf retract, bottom shelf touches shock portion, makes shock portion backwards rotation；Reverse stop part is simultaneously reverse to turn
Dynamic, it is turned part by limit in rotation process and limited to be braked, and shock portion is stopped operating immediately, and bottom shelf can not again be promoted and hit
Portion is hit, i.e., being blocked by it can not continue to fall back, and then realizes and the rollback of shelf is braked.
The shelf that the present invention effectively can prevent from passively moving are fallen back, but are moved ahead without prejudice to it.Especially for place
In the shelf for waiting position downstream, it easily falls back after just leaving wait position, if in this case, shelf generation retroversion will
Cause to wait the transfer disk on position to be stuck, or shelf are moved back to selection position again.So shelf generation retroversion behavior all can be tight
Ghost image rings the normal operation of shelf rail system, and technical scheme is exactly to be realized well by mechanical means to not having
There are the shelf for carrying brakes to carry out retrogressing braking, improve the security of shelf rail system.
Brief description of the drawings
Fig. 1 is the stereogram of the present invention.
Fig. 2 is lateral plan.
Fig. 3 is top view.
Fig. 4 is front view.
Fig. 5 is depression angle stereogram.
Fig. 6 is decomposition chart.
Fig. 7 is the sectional view of block piece.
Fig. 8 is the sectional view of the block piece of second embodiment.
Fig. 9 is the application structure figure of the device of the present invention.
Figure 10 is the schematic diagram of the present invention.
Figure 11 is the schematic diagram of second embodiment of block piece.
Figure 12 is the schematic diagram of Figure 11 rotary states.
Figure 13 is Fig. 7 rotation schematic diagram.
Identifier declaration in figure：
1st, pedestal；2nd, base；3rd, mounting seat；4th, axle bed；5th, axle；6th, block piece；7th, shock portion；8th, limit turns part；9th, counterweight
Portion；10th, braking parts；11st, reinforcing prop；12nd, vertical position；13rd, stop part is reversed；14th, axle center；15th, fixing hole；16th, bearing；
17th, jump ring；18th, base；19th, shock portion；20th, braking parts；21st, the first gravity part；22nd, the second gravity part；23rd, gap；24、
Axle；25th, block piece；30th, shelf rollback retention device；31st, the first parallel orbit；32nd, the second parallel orbit；33rd, position is chosen；
34th, position is waited；100th, the first gravity part；101st, the second gravity part；102nd, stop part is reversed；103rd, the first center of gravity；104th, second
Center of gravity；120th, stop part is reversed；121st, groove lid；122nd, unfilled corner；300th, bearing plate；301st, installing plate；302nd, groove；303rd, packing ring；
304th, stud；305th, gap；306th, spring washer.
Embodiment
The present invention is described in further detail with reference to the accompanying drawings and detailed description.
The invention provides a kind of shelf rollback retention device, referring to the knot shown in Fig. 1 to Fig. 6 and Figure 11 and Figure 12
Structure, it includes pedestal 1, and pedestal 1 includes base 2 and mounting seat 3.Axle bed 4 is provided with base 2, axle bed 4 is provided with axle 5, axle 5
On be cased with block piece for stopping shelf.
Block piece 6 is enclosed on axle 5 and can be with pivoting.Fulcrum of the block piece 6 with axle 5 for lever, it is included positioned at branch
First gravity part and the second gravity part on point both sides.Block piece also includes the shock portion 7 that supply of material frame hits.First gravity part and
When two gravity parts balance on fulcrum both sides, impact site is in the top of axle, and it can receive the collision of shelf.
Block piece 6 also includes reversing stop part, is additionally provided with pedestal for being carried out to the backwards rotation for reversing stop part
The limit of limitation turns part 8, and when reversing stop part to be inversely braked, impact site is in the top of axle, and it can receive shelf
Collision.
The schematic diagram of the present invention can participate in Figure 10, and in Fig. 10, block piece 6 is enclosed on axle 5, can carry out back rotation.Resistance
Block piece has certain thickness, and it has two centers of gravity, i.e. the first center of gravity 103 and the second center of gravity 104, two centers of gravity on axle both sides
Corresponding is respectively the first gravity part 100 and the second gravity part 101.It is provided with the first gravity part 100 and reverses stop part 102,
Be provided with limit in the distance of passing through of rotation for reversing stop part 102 and turn part 8, limit turn part 8 be used for prevent reverse stop part 102 it is reverse
Rotate.Mechanism in Figure 10 is the model of a block piece, and the block piece in Fig. 1 to 6 and Figure 11 and Figure 12 is an implementation
Example.In another designs a model, reverse stop part 102 to be located at limit and turn above part 8, rather than below.This design
Then shelf come to direction and rollback direction and foregoing embodiment contrast, and it is embodied in Figure 11 and Figure 12 embodiment.
In actual design, the first gravity part, the second gravity part, shock portion can be rationally designed according to lever principle,
Reverse stop part to turn the position of part according to limit and carry out structure design, it is not limited to case provided by the invention.
Referring to Fig. 1 to Fig. 6 and Figure 11 and Figure 12, block piece the both sides of axle two gravity parts, wherein the second gravity
By block piece in the part for being provided with gravity of the second side of axle, it includes the second center of gravity in portion.In one embodiment may be used
To set a single counterweight module, it is the counterweight part 9 for making shock portion playback, and it can be with one of the second gravity part
Point.Counterweight part 9 is used to adjust the second gravity part weight and the position of its center of gravity, and it can be a lug boss on block piece
Part.
For first gravity part by block piece in the part for being provided with gravity of the first side of axle, it includes first weight
The heart.First gravity part includes reversing stop part and braking parts 10.Counterweight part 9 and braking parts 10 are respectively provided at the both sides in shock portion,
Wherein, counterweight part is located at the side in shelf rollback direction, and braking parts are located at side of the shelf to direction, and shelf come to for shelf
The direction in shock portion is passed through, now shelf promote shock portion to rotate forward (being to rotate counterclockwise referring to Figure 11, in Figure 11)；Shelf
Rollback direction is the direction that shelf are fallen back, and it (is to turn clockwise referring to Figure 11, in Figure 11 that now shelf, which promote shock portion to reverse,
It is dynamic)；During original state, impact site is in the top of axle and stretches out axle bed.
Turn part 8 provided with limit in braking parts upper outer, limit turns part 8 and is fixed by screws on axle bed 4, reverse in braking parts
After rotation, limit can be touched and turn part, by its stop.
Referring to Figure 11 and Figure 12, in a preferred embodiment, block piece 6 is at the top of axle position triangular in shape.Hit
The portion of hitting is located on triangle position.Axle bed is stretched out at one angle of triangle, and the face supply of material frame on both sides hits.Triangle is right angle three
Angular, wherein right-angle side is the shelf striking face that moves ahead, and hypotenuse is striking face when shelf retreat.Braking parts 10 include vertical position
12, vertical position 12 includes reversing stop part 120, and limit turns the outside that part 8 is located at vertical position 12, reverses stop part 120 to be located at
Limit turns position above part 8.Unfilled corner 122 is provided with the bottom surface at vertical position 12, when can so prevent that block piece from rotating forward
Touch limit and turn part.Stop part 120 is reversed to go to when limit turns part position and can be hindered by it, block piece can stop backwards rotation.
Limit turns the side that part is fixed on axle bed, and positioned at the outside at vertical position.Hypotenuse turns part not homonymy with limit, relative to set
Put.
In another embodiment, referring to Fig. 7 and Figure 13, it and Figure 11 embodiment difference are：Vertical position
12 include reversing stop part 13, and limit turns the outside that part 8 is located at vertical position 12, reverses stop part 13 to be located at limit and turns below part 8
Position is provided with groove lid 121 on vertical position 12, and groove lid is located at limit and turns position above part 8.It is positive referring to Figure 13, block piece
During rotation, groove lid 121 is buckled in limit and turned on part 8, and shelf can be normal through；During block piece backwards rotation, stop part 13 is reversed to support
Firmly limit turns part bottom, prevents shelf from retracting.
Counterweight part stretches out block piece in the horizontal direction.In a preferred embodiment, impact site is in 12 positions of clock face, and
First center of gravity of one gravity part and the second center of gravity of the second gravity part are located at 3 positions of clock face and 9 positions respectively.Lever both sides
The center of gravity of gravity article is in 90 ° with pivoted arm, and now the weight of gravity article is minimum.So block piece can be real with lighter weight
Existing leverage.Counterweight part and the right-angle side angle at a right angle at triangle position.Block piece includes axle sleeve position, and counterweight part is resistance
Raised part on the outside of the axle sleeve position of block piece, its prolonging direction and the prolonging direction angle at a right angle at triangle position.
The free end of counterweight part is arc.In a preferable mode, counterweight part is bulk, and its free end is arcuation end
Face.Curved end can make it reduce the chance to be collided with shelf, avoid wearing, and cause weight to detract.
Pedestal includes base 2 and mounting seat 3；The fixing hole 15 of base is provided with mounting seat 3, two in base are relative
Side is equipped with mounting seat, and base is bolted in mounting seat per side at least through 2；Axle bed 4 passes through screw firm banking 2
On；Axle 5 is located between two axle beds.Base fixing hole 15 in mounting seat is waist-shaped hole.Waist-shaped hole is vertical, and it can be used
In the height of adjustment axle bed.Stud 304 passes through waist-shaped hole, spring washer 306 and packing ring 303, and the side of base 2, by it
It is fastened in mounting seat.The both sides of base 2 set two bolt fastening structures respectively, are erected fixation.Axle 5 by bearing 16 with
Axle bed 4 connects.Block piece is fixed on axle, is rotated together with axle.Jump ring 17 is provided with the both sides of block piece 6.Jump ring 17 is used to hinder
Only axial movement of the block piece along axle.Mounting seat 3 includes being fixed on the installing plate 301 on ground, bearing plate 300 and for aiding in branch
The reinforcing prop 11 of bearing plate is supportted, reinforcing prop 11 is equipped with bearing plate both sides.Groove 302 is provided with axle bed, is turned for fixed limit
Part 8.Need to bear the force of block piece 6 because limit turns part 8, groove 302 is set on axle bed can make limit turn the stress of part 8 more
Axle bed is conducted to, reduces its shearing with the screw connection of axle bed.Referring to Fig. 4, gap be present between block piece 6 and base 2
305, the activity space when gap 305 rotates as counterweight part, make it be unlikely to encounter base 2.
In another embodiment, a limit can not be separately provided and turn part, you can turn part to be limited using base.Referring to
Fig. 8, base are used for fixed plate, and base 18 is located at axle 24 and the lower section of block piece 25, there is gap 23 between base and block piece.Axle
24 are provided with shock portion 19, and the both sides of axle 24 are the first gravity part 21 and the second gravity part 22, are provided with the second gravity part convex
The braking parts 20 gone out, the braking parts 20 are more than axle center to the height of base by the length in axle center to its free end, and block piece is reverse
During rotation, reversing stop part to prop up pedestal makes block piece stop operating.
The shelf rollback retention device 30 of the present invention is mainly used in commodity shelf system.Referring to Fig. 9, commodity shelf system includes parallel
Two tracks, i.e. the first parallel orbit 31 and the second parallel orbit 32, they are main orbit.Shelf are installed between parallel orbit
Rollback retention device 30 is arranged between two tracks.
Commodity shelf system includes selection position 33 and waits position 34.Shelf rollback retention device 30, which is located at, waits position 34 to be handed over track
The position connect.After the completion of shelf are chosen on selection position 33, it is moved to and waits on position 34, by waits the propulsion plant on position to be pushed into
Second parallel orbit 32, shelf prevent its rollback when retreating by the shock portion of the block piece of shelf rollback retention device
Enter to wait position.
Shelf rollback retention device is provided between two tracks, before shelf process, shock portion is in the first gravity part
Under the balance of the second gravity part, it is located at the top of axle.
Shelf rollback retention device prevent shelf retract method be：Referring to Fig. 1, Fig. 2, Figure 11 and Fig. 9, shelf, which move ahead, to pass through
Shelf rollback retention device is crossed, touching shock portion, shock portion is rotated forward and falls down to allow shelf by the way that shock portion falls down.
In shelf by rear, because external force disappears, first gravity part and second gravity part of the block piece on axle fulcrum both sides
In the presence of rebalance, block piece restore to the original state, shock portion playback.
When shelf retract, bottom shelf touches shock portion, makes shock portion backwards rotation；Reverse stop part is simultaneously reverse to turn
Dynamic, it is turned part by limit in rotation process and limited to be braked, and shock portion is stopped operating immediately, and bottom shelf can not again be promoted and hit
Portion is hit, i.e., being blocked by it can not continue to fall back, and then realizes and the rollback of shelf is braked.
Above-mentioned embodiment is only the preferred embodiment of the present invention, it is impossible to the scope of protection of the invention is limited with this,
The change and replacement for any unsubstantiality that those skilled in the art is done on the basis of the present invention belong to institute of the present invention
Claimed scope.
Claims (10)
1. a kind of shelf rollback retention device, including pedestal, it is characterised in that：Axle bed is provided with pedestal, axle bed is provided with axle,
The block piece for stopping shelf is cased with axle；Block piece is enclosed on axle and can be with pivoting；Block piece is using axle as lever
Fulcrum, it includes the first gravity part and the second gravity part positioned at fulcrum both sides；Block piece also includes the shock that supply of material frame hits
Portion；When first gravity part and the second gravity part balance on fulcrum both sides, impact site is in the top of axle, and it can receive arrival
The collision of frame；
Block piece also includes reversing stop part, is additionally provided with pedestal for being limited the backwards rotation for reversing stop part
Limit turns part, and when reversing stop part to be inversely braked, impact site is in the top of axle, and it can receive the collision of shelf.
2. shelf rollback retention device according to claim 1, it is characterised in that：Second gravity part includes being used to adjust
Whole second gravity part weight and its center of gravity, the counterweight part for making the playback of shock portion.
3. shelf rollback retention device according to claim 2, it is characterised in that：First gravity part includes braking
Portion；Braking parts include reversing stop part；The counterweight part and braking parts are respectively provided at the both sides in the shock portion.
4. shelf rollback retention device according to claim 3, it is characterised in that：Limit is provided with the outside of the braking parts to turn
Part, limit turn part and are fixed on the axle bed, after braking parts backwards rotation, can touch limit and turn part, by its stop.
5. shelf rollback retention device according to claim 1, it is characterised in that：The axle is connected by bearing and axle bed
Connect.
6. shelf rollback retention device according to claim 3, it is characterised in that：The braking parts include vertical position,
Vertical position includes reverse stop part, and limit turns part positioned at the outside at the vertical position, when reversing stop part reverse, can limited
Turn part obstruction, block piece can stop backwards rotation.
7. shelf rollback retention device according to claim 1, it is characterised in that：The limit turns the base that part is pedestal；
Base is used for fixed plate, and base is located at below the axle and block piece, there is gap between base and block piece；Block piece is reverse
During rotation, reversing stop part to prop up pedestal makes block piece stop operating.
8. a kind of commodity shelf system with retention device, it includes two parallel tracks, it is characterised in that also includes such as right
It is required that the shelf rollback retention device described in 1 to 7；The shelf rollback retention device is arranged between two tracks.
9. the commodity shelf system according to claim 8 with retention device, it is characterised in that commodity shelf system includes selection position
With wait position；The shelf rollback retention device, which is located at, waits position and the position of track handing-over；Shelf have been chosen on selection position
Cheng Hou, it is moved to and waits on position, by waiting the propulsion plant orbital injection on position, shelf is retracted when retreating by shelf
The shock portion of the block piece of retention device prevents it from retracting into wait position.
10. a kind of method for stopping shelf and retracting, it includes：
A kind of shelf rollback retention device as described in any one of claim 1 to 7 is provided between two tracks, in shelf
Before, under the balance of the first gravity part and the second gravity part, it is located at the top of axle in shock portion；
Shelf progress through the shelf rollback retention device, touch the shock portion, rotate forward shock portion and fall down to allow goods
Frame is by the way that shock portion falls down；
In shelf by rear, because external force disappears, block piece is in first gravity part on axle fulcrum both sides and the work of the second gravity part
With lower rebalancing, block piece restores to the original state, the playback of shock portion；
When shelf retract, bottom shelf touches shock portion, makes shock portion backwards rotation；Stop part backwards rotation simultaneously is reversed,
It is turned part by limit in rotation process and limited to be braked, and shock portion stops operating immediately, and bottom shelf can not promote shock again
Portion, i.e., being blocked by it can not continue to fall back, and then realizes and the rollback of shelf is braked.
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| CN112079096A (en) * | 2019-06-14 | 2020-12-15 | 中冶京诚工程技术有限公司 | Casting blank conveying device |
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