CN113525983A - Friction wheel type heavy-duty cargo carrying platform and storing and taking method - Google Patents
Friction wheel type heavy-duty cargo carrying platform and storing and taking method Download PDFInfo
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- CN113525983A CN113525983A CN202110688078.7A CN202110688078A CN113525983A CN 113525983 A CN113525983 A CN 113525983A CN 202110688078 A CN202110688078 A CN 202110688078A CN 113525983 A CN113525983 A CN 113525983A
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- 238000000034 method Methods 0.000 title claims abstract description 18
- 230000005540 biological transmission Effects 0.000 claims abstract description 139
- 230000007246 mechanism Effects 0.000 claims abstract description 53
- 230000002441 reversible effect Effects 0.000 claims abstract description 9
- 238000013016 damping Methods 0.000 claims description 8
- 230000003139 buffering effect Effects 0.000 claims description 5
- 238000005096 rolling process Methods 0.000 claims description 3
- 230000001360 synchronised effect Effects 0.000 claims description 3
- 238000009434 installation Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 2
- 210000001503 joint Anatomy 0.000 description 2
- 230000007774 longterm Effects 0.000 description 2
- 230000035939 shock Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
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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
- B65G1/0407—Storage devices mechanical using stacker cranes
- B65G1/0435—Storage devices mechanical using stacker cranes with pulling or pushing means on either stacking crane or stacking area
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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
- B65G1/0442—Storage devices mechanical for elongated articles
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
- F16F15/04—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means
- F16F15/06—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means with metal springs
- F16F15/067—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means with metal springs using only wound springs
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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
- B65G2201/00—Indexing codes relating to handling devices, e.g. conveyors, characterised by the type of product or load being conveyed or handled
- B65G2201/02—Articles
- B65G2201/0214—Articles of special size, shape or weigh
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Aviation & Aerospace Engineering (AREA)
- Warehouses Or Storage Devices (AREA)
Abstract
The invention relates to a friction wheel type heavy-duty cargo carrying table and an access method, belonging to the field of heavy stacking; the device comprises a cargo rack, a slide rail component, a friction wheel micro-feeding mechanism, a friction wheel clamping mechanism and a guide rail type tray; the cargo carrying rack is of a frame structure, the middle part of the upper end of the cargo carrying rack is provided with a friction wheel micro-feeding mechanism, and two ends of the cargo carrying rack are symmetrically provided with a group of friction wheel clamping mechanisms; the sliding rail components are arranged on two sides of the goods carrying rack; the friction wheel micro-feeding mechanism feeds the driving motor 17 to drive the clamping rack to slide along the linear guide rail; the two friction wheel clamping mechanisms are driven by a clamping driving motor 8 to realize the reverse rotation of the two friction wheels; the tray clamping frame of the guide rail type tray is clamped by two friction wheels, and the guide rail type tray is driven to reciprocate along the tray guide rail through the reverse rotation of the two friction wheels. The invention adopts the transmission of the screw rod, the gear and the chain, has simple structure, stable transmission and high precision; and the guide rail is used as a guide component, so that the goods can be guaranteed to stably arrive at the designated position.
Description
Technical Field
The invention belongs to the field of heavy stacking, and particularly relates to a friction wheel type heavy loading platform and a storing and taking method.
Background
Automatic stereoscopic warehouse has space utilization height, and the access is intelligent, advantage such as the cost of using manpower sparingly, along with the continuous development of automation line and intelligent commodity circulation, automatic stereoscopic warehouse becomes the inevitable development direction of storage equipment. The tunnel stacker is a special crane developed along with the appearance of a stereoscopic warehouse, and generally comprises an upper cross beam, a lower cross beam, a stand column, a lifting mechanism, a horizontal travelling mechanism and a cargo carrying platform, wherein the cargo carrying platform is used as a part for directly storing and taking cargos, and different industries have different requirements on the structure of the cargo carrying platform. At present common stacker carries cargo bed and carries cargo bed for the fork formula, lifts up the action through the fork is flexible when access goods and realizes that the goods is deposited, because this kind of fork carries cargo bed and is cantilever beam structure, access length is longer, and during the rod class goods that weight is heavier, fork amount of deflection is big, long-term the use can cause the fork to warp, the problem that positioning accuracy descends, consequently requires very high to the rigidity of fork, the performance of supporting motor and tray rigidity. Aiming at the phenomenon, the friction wheel type cargo carrying platform is researched and designed to replace the original fork type cargo carrying platform, so that the problem of large deflection of a fork when long and heavy bar goods are stored is solved, and the three-dimensional storage safety and stability of the long and heavy bar goods are realized.
Disclosure of Invention
The technical problem to be solved is as follows:
in order to avoid the defects of the prior art, the invention provides a friction wheel type heavy-duty cargo platform and an access method, and the smooth access of the guide rail type tray 26 is realized through the cooperation of a friction wheel micro-feeding mechanism and a friction wheel holding mechanism.
The technical scheme of the invention is as follows: the utility model provides a heavy cargo bed of friction wheel formula which characterized in that: comprises a cargo carrying rack 25, a slide rail component, a friction wheel micro-feeding mechanism, a friction wheel clamping mechanism and a guide rail type tray 26; the cargo rack 25 is in a frame structure, the middle part of the upper end of the cargo rack is provided with a friction wheel micro-feeding mechanism, and two ends of the cargo rack are symmetrically provided with a group of friction wheel clamping mechanisms; the slide rail components are arranged on two sides of the cargo rack 25, and the guide rail type tray 26 is arranged above the cargo rack 25 through the friction wheel clamping mechanism and the slide rail components and used for storing cargoes;
the slide rail assembly comprises linear guide rails 23, a slide block 22, a clamping rack 21 and a tray guide rail 20, wherein the two linear guide rails 23 are arranged on two sides of the upper end of the cargo carrying rack 25 in parallel and oppositely; the clamping rack 21 is of a rectangular frame structure, and two sides of the lower end of the clamping rack are respectively in sliding connection with two linear guide rails 23 through sliding blocks 22; two tray guide rails 20 are arranged in parallel and oppositely at two sides of the upper end of the clamping rack 21, are used as slide rails of the guide rail type tray and are arranged in parallel with the linear guide rail 23;
the friction wheel micro-feeding mechanism comprises a feeding driving motor 17, and the feeding driving motor 17 drives a holding rack 21 to slide along a linear guide rail 23;
the two friction wheel clamping mechanisms are respectively arranged at two ends of the clamping rack 21 and respectively comprise a friction wheel 2.1, a friction wheel 2.2, a clamping driving motor 8, a fixing bolt 10 and a clamping sleeve 11; the clamping sleeves 11 are of a transverse U-shaped plate structure, the two clamping sleeves 11 are symmetrically arranged, and the opening ends of the two clamping sleeves are opposite; the side wall of the clamping sleeve 11 is fixed with a clamping rack 21 through a fixing bolt 10, and a pressure spring is sleeved on the fixing bolt 10 and used for buffering; the friction wheel 2.1 and the friction wheel 2.2 are respectively arranged in the two clamping sleeves 11 through wheel shafts, the axial direction of the friction wheel is vertical to the sliding surface of the clamping rack 21, and the clamping driving motor 8 drives the two friction wheels to realize the reverse rotation;
tray sliders are fixed on two sides of the bottom of the guide rail type tray 26 and are in sliding connection with the tray guide rails 20 through the tray sliders 27; a tray clamping frame 28 is axially fixed at the bottom of the guide rail type tray 26 along the center, the tray clamping frame is clamped by two friction wheels, the tray clamping frame 28 is driven to linearly move through the reverse rotation of the two friction wheels, and the guide rail type tray 26 is further driven to reciprocate along the tray guide rail 20.
The further technical scheme of the invention is as follows: the friction wheel clamping mechanism further comprises anti-loosening damping devices 1, wherein the two anti-loosening damping devices 1 are respectively arranged on the outer side walls of the two clamping sleeves 11 and used for reducing the rigid impact between the friction wheel and the tray clamping frame.
The further technical scheme of the invention is as follows: the two linear guide rails 23 are respectively installed at both sides of the upper end of the cargo bed 25 through rail fixing grooves 24.
The further technical scheme of the invention is as follows: the friction wheel micro-feeding mechanism also comprises a transmission lead screw fixing plate 12, a transmission lead screw 14, a lead screw nut fixing plate 15, a lead screw nut 16 and a lead screw motor fixing plate 18; two ends of the transmission screw 14 are respectively arranged on the cargo rack 25 through the transmission screw fixing plate 12 and the screw motor fixing plate 18, are in rotary connection, and simultaneously ensure that the axial direction of the transmission screw 14 is parallel to the linear guide rail 23; the screw nut 16 is arranged on the transmission screw 14 through the internal thread matching, and is fixed at the bottom of the clamping rack 21 through a screw nut fixing plate 15; the feed driving motor 17 is arranged on a lead screw motor fixing plate 18, and an output shaft of the feed driving motor is coaxially and fixedly connected with the transmission lead screw 14; the feed driving motor 17 drives the transmission screw 14 to rotate, and further the screw nut 16 converts the rotation motion into linear motion to drive the clamping rack 21 to slide along the linear guide rail 23.
The further technical scheme of the invention is as follows: and two ends of the transmission screw 14 are connected with the screw fixing plate 12 and the screw motor fixing plate 18 through bearings and bearing seats.
The further technical scheme of the invention is as follows: the friction wheel clamping mechanism further comprises a chain 4.1, a chain 4.2, a chain wheel 5.1, a chain wheel 5.2, a transmission gear 6.1, a transmission gear 6.2, a driving chain wheel 7 and a chain wheel transmission gear 9; wherein, the axial directions of the chain wheel 5.1, the chain wheel 5.2, the transmission gear 6.1, the transmission gear 6.2, the driving chain wheel 7 and the chain wheel transmission gear 9 are all vertical to the sliding surface of the clamping rack 21; the clamping driving motor 8 is fixed on the clamping rack 21 through a motor base, and the output end of the clamping driving motor is connected with the driving chain wheel 7 through a coupler; the chain wheel transmission gear 9 is arranged on the clamping rack 21 through rotary connection and is in transmission connection with the driving chain wheel 7 through a chain; the transmission gear 6.1 and the transmission gear 6.2, and the friction wheel 2.1 and the friction wheel 2.2 are symmetrically arranged relative to the central axis of the clamping rack 21; the chain wheel transmission gear 9 is meshed with the transmission gear 6.1 and the transmission gear 6.2 in sequence, and the chain wheel 5.1 and the chain wheel 5.2 are coaxially arranged above the transmission gear 6.1 and the transmission gear 6.2 respectively; the friction wheel 2.1 and the friction wheel 2.2 are in transmission connection with the chain wheel 5.1 and the chain wheel 5.2 through the chain 4.1 and the chain 4.2 respectively and are positioned on the outer side far away from the friction wheel micro-feeding mechanism; two groups of friction wheels, chains, chain wheels and transmission gears are respectively arranged in the two clamping sleeves 11 through wheel shafts;
a holding driving motor 8 drives a driving chain wheel 7 to rotate, a chain wheel transmission gear 9, a transmission gear 6.2 and a transmission gear 6.1 are sequentially driven to rotate, and a friction wheel 2.2 and a friction wheel 2.1 are driven to rotate positively and reversely by the transmission gear 6.2 and the transmission gear 6.1 which are meshed with each other through a chain wheel and a chain.
The further technical scheme of the invention is as follows: and chain wheel tensioning devices 3 are respectively arranged on the chain 4.1 and the chain 4.2 and used for adjusting the tightness degree of the chain.
A friction wheel type heavy-duty cargo carrying platform cargo taking method is characterized by comprising the following specific steps:
the method comprises the following steps: starting a feed driving motor 17 to drive a transmission screw 14 to rotate, and driving a holding rack 21 to move along the axial direction of the transmission screw 14 by a screw nut 16; meanwhile, the friction wheel clamping mechanism arranged on the clamping rack 21 moves towards the outer end of the cargo rack 25, and the feeding driving motor 17 is closed after the friction wheel clamping mechanism is in butt joint with a tray clamping rack 28 of the guide rail type tray 26;
step two: the holding driving motor 8 is started to rotate positively to drive the driving chain wheel 7 to rotate anticlockwise, and then the driving chain wheel 7 drives the chain transmission gear 9 to rotate anticlockwise, the transmission gear 6.2 to rotate clockwise, the chain wheel 5.2 to rotate clockwise and the friction wheel 2.2 to rotate clockwise in sequence; meanwhile, the transmission gear 6.2 drives the transmission gear 6.1 to rotate anticlockwise, the chain wheel 5.1 to rotate anticlockwise and the friction wheel 2.1 to rotate anticlockwise in sequence; the two friction wheels are synchronously rolled inwards, the tray clamping beam 28 is clamped and continuously pulled in, the tray clamping beam moves towards the middle of the clamping rack 21, meanwhile, the tray sliding block 27 of the guide rail type tray 26 is matched with the tray guide rail 20 on the clamping rack 21 for guiding, the guide rail type tray 26 is guaranteed to move linearly until the guide rail type tray 26 is pulled right above the clamping rack 21, the goods taking is finished, and the clamping driving motor 8 is closed.
A method for carrying out inventory on a friction wheel type heavy goods carrying platform is characterized by comprising the following specific steps:
the method comprises the following steps: starting a feed driving motor 17 to drive a transmission screw 14 to rotate, and driving a holding rack 21 to move along the axial direction of the transmission screw 14 by a screw nut 16; moving the friction wheel clamping mechanism arranged on the clamping table frame 21 to a target cargo space, and closing the feeding driving motor 17 after the friction wheel clamping mechanism is butted with a tray clamping frame 28 of the guide rail type tray 26;
step two: the holding driving motor 8 is started to rotate reversely, the driving chain wheel 7 is driven to rotate clockwise, and then the driving chain wheel 7 sequentially drives the chain transmission gear 9 to rotate clockwise, the transmission gear 6.2 to rotate anticlockwise, the chain wheel 5.2 to rotate anticlockwise and the friction wheel 2.2 to rotate anticlockwise; meanwhile, the transmission gear 6.2 sequentially drives the transmission gear 6.1 to rotate clockwise, the chain wheel 5.1 to rotate clockwise and the friction wheel 2.1 to rotate clockwise; the synchronous outward rolling of two friction wheels is realized, the tray clamping beam 28 is clamped and continuously pushed out, the tray clamping frame 21 moves outwards, meanwhile, the tray sliding block 27 of the guide rail type tray 26 is matched with the tray guide rail 20 on the clamping frame 21 for guiding, the linear motion of the guide rail type tray 26 is ensured, the operation is stopped until the guide rail type tray 26 is pushed to a limit switch on a goods position, the goods are stored, and the clamping driving motor 8 is closed.
Advantageous effects
The invention has the beneficial effects that:
1) the friction wheel holding device is adopted to pull the goods, a cantilever beam fork taking mode of a traditional goods carrying table is replaced, and when long and heavy bars are stored and taken, the problems of insufficient rigidity, lowered positioning precision and the like caused by overlarge deflection due to long-term use of a fork are avoided; the friction wheel clamping device adopts mechanical gears and chain transmission, so that the structure is simple, the transmission is stable and the precision is high; the guide rail is used as a guide part, so that the goods can be stably stored and taken to reach a designated position;
2) the front ends of the two friction wheels are provided with damping springs, so that the friction wheels can keep a flexible space when goods are stored and taken, and rigid impact between the friction wheels and a tray clamping beam in the storing and taking process is converted into flexible impact; the fixing bolts 10 on the two sides of the middle part of the holding sleeve are provided with the pressure springs, so that the problems of rigid impact and vibration existing when the pallet fork type cargo carrying platform stores and withdraws cargos are solved;
3) the linear guide is installed on the cargo rack through the guide fixing groove respectively, wherein the guide fixing groove can increase the installation strength and the service life of the linear guide.
4) The two ends of the transmission screw rod are connected with the screw rod fixing plate and the screw rod motor fixing plate through the bearings and the bearing seats, so that stable transmission operation and low noise are guaranteed, shock absorption and buffering can be realized, an overload protection effect is realized, the structure is simple, the cost is low, and the installation requirement is not high.
Drawings
FIG. 1 is an isometric view of a friction wheel cargo bed of the present invention;
FIG. 2 is an isometric view of a rail-mounted pallet of the present invention corresponding to a friction wheel cargo bed;
FIG. 3 is a front view of the friction wheel cargo bed of the present invention;
FIG. 4(a) is an enlarged partial top view of FIG. 3 of the present invention; 4(b) is a top view of FIG. 3 of the present invention;
FIG. 5 is a side view of FIG. 3 of the present invention;
FIG. 6 is an isometric view of a rail tray of the present invention;
FIGS. 7(a), 7(b), 7(c) and 7(d) are partially enlarged perspective views of the tray when it is pulled;
description of reference numerals: 1. a locking damping device; 2.1. a friction wheel; 2.2. a friction wheel; 3. a chain wheel tensioning device; 4.1. a chain; 4.2. a chain; 5.1. a sprocket; 5.2. a sprocket; 6.1 driving gear; 6.2. a transmission gear; 7. a drive sprocket; 8. holding the driving motor 6; 9. a chain transmission gear; 10. fixing the bolt; 11. a clamping sleeve; 12. a transmission lead screw fixing plate; 13. a first bearing housing; 14. a drive screw; 15. a lead screw nut fixing plate; 16. a lead screw nut; 17. a feed drive motor; 18. a screw motor fixing plate; 19. a second bearing housing; 20. a tray guide rail; 21. a holding rack; 22. a slider; 23. a linear guide rail; 24. a guide rail fixing groove; 25. a cargo bed; 26. a rail-mounted tray; 27. a tray slider; 28. a tray holding frame.
Detailed Description
The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.
Referring to fig. 1-3, the friction wheel type heavy cargo platform of the present invention comprises a cargo platform frame 25, a slide rail assembly, a friction wheel micro-feeding mechanism, a friction wheel holding mechanism and a guide rail type tray 26; the cargo rack 25 is in a frame structure, the middle part of the upper end of the cargo rack is provided with a friction wheel micro-feeding mechanism, and two ends of the cargo rack are symmetrically provided with a group of friction wheel clamping mechanisms; the slide rail components are arranged on two sides of the cargo rack 25, and the guide rail type tray 26 is arranged above the cargo rack 25 through the friction wheel clamping mechanism and the slide rail components and used for storing cargoes;
referring to fig. 5, the slide rail assembly comprises linear guide rails 23, a slide block 22, a clamping rack 21 and a tray guide rail 20, wherein the two linear guide rails 23 are arranged on two sides of the upper end of a cargo carrying rack 25 in parallel and oppositely; the clamping rack 21 is of a rectangular frame structure, and two sides of the lower end of the clamping rack are respectively in sliding connection with two linear guide rails 23 through sliding blocks 22; two tray guide rails 20 are arranged in parallel and oppositely at two sides of the upper end of the clamping rack 21, are used as slide rails of the guide rail type tray and are arranged in parallel with the linear guide rail 23; the two linear guide rails 23 are respectively installed at both sides of the upper end of the cargo bed 25 through the guide rail fixing grooves 24, and the installation strength and the service life of the linear guide rails 23 are increased through the guide rail fixing grooves 24.
Referring to fig. 4(b), the friction wheel micro-feeding mechanism includes a transmission screw fixing plate 12, a transmission screw 14, a screw nut fixing plate 15, a screw nut 16, a feeding driving motor 17, and a screw motor fixing plate 18; two ends of the transmission screw 14 are respectively arranged on the cargo rack 25 through the transmission screw fixing plate 12 and the screw motor fixing plate 18, are in rotary connection, and simultaneously ensure that the axial direction of the transmission screw 14 is parallel to the linear guide rail 23; the screw nut 16 is arranged on the transmission screw 14 through the internal thread matching, and is fixed at the bottom of the clamping rack 21 through a screw nut fixing plate 15; the feed driving motor 17 is arranged on a lead screw motor fixing plate 18, and an output shaft of the feed driving motor is coaxially and fixedly connected with the transmission lead screw 14; the feed driving motor 17 drives the transmission screw 14 to rotate, and further the screw nut 16 converts the rotation motion into linear motion to drive the clamping rack 21 to slide along the linear guide rail 23.
The two ends of the transmission screw 14 are connected with the screw fixing plate 12 and the screw motor fixing plate 18 through bearings and bearing seats, so that stable transmission operation and low noise are guaranteed, shock absorption and buffering can be realized, an overload protection effect is realized, the structure is simple, the cost is low, and the installation requirement is not high.
Referring to fig. 4(a), the two friction wheel clamping mechanisms are respectively installed at two ends of the clamping rack 21, and each friction wheel clamping mechanism comprises a locking damping device 1, a friction wheel 2.1, a friction wheel 2.2, a chain 4.1, a chain 4.2, a chain wheel 5.1, a chain wheel 5.2, a transmission gear 6.1, a transmission gear 6.2, a driving chain wheel 7, a clamping driving motor 8, a chain wheel transmission gear 9, a fixing bolt 10 and a clamping sleeve 11; wherein, the axial directions of the chain wheel 5.1, the chain wheel 5.2, the transmission gear 6.1, the transmission gear 6.2, the driving chain wheel 7 and the chain wheel transmission gear 9 are all vertical to the sliding surface of the clamping rack 21; the clamping driving motor 8 is fixed on the clamping rack 21 through a motor base, and the output end of the clamping driving motor is connected with the driving chain wheel 7 through a coupler; the chain wheel transmission gear 9 is arranged on the clamping rack 21 through rotary connection and is in transmission connection with the driving chain wheel 7 through a chain; the transmission gear 6.1 and the transmission gear 6.2, and the friction wheel 2.1 and the friction wheel 2.2 are symmetrically arranged relative to the central axis of the clamping rack 21; the chain wheel transmission gear 9 is meshed with the transmission gear 6.1 and the transmission gear 6.2 in sequence, and the chain wheel 5.1 and the chain wheel 5.2 are coaxially arranged above the transmission gear 6.1 and the transmission gear 6.2 respectively; the friction wheel 2.1 and the friction wheel 2.2 are in transmission connection with the chain wheel 5.1 and the chain wheel 5.2 through the chain 4.1 and the chain 4.2 respectively and are positioned on the outer side far away from the friction wheel micro-feeding mechanism; chain wheel tensioning devices 3 are mounted on the chain 4.1 and the chain 4.2 and used for adjusting the tightness degree of the chains.
Two groups of friction wheels, chains, chain wheels and transmission gears are respectively arranged in the two clamping sleeves 11 through wheel shafts; the clamping sleeves 11 are of a transverse U-shaped plate structure, the two clamping sleeves 11 are symmetrically arranged, and the opening ends of the two clamping sleeves are opposite; the side wall of the clamping sleeve 11 is fixed with a clamping rack 21 through a fixing bolt 10, and a pressure spring is sleeved on the fixing bolt 10 and used for buffering; the anti-loosening and damping device 1 is arranged on the side walls of the two clamping sleeves 11 and is used for reducing the rigid impact between the friction wheel and the pallet clamping frame (the structural principle is unclear); a holding driving motor 8 drives a driving chain wheel 7 to rotate, a chain wheel transmission gear 9, a transmission gear 6.2 and a transmission gear 6.1 are sequentially driven to rotate, and a friction wheel 2.2 and a friction wheel 2.1 are driven to rotate in the forward and reverse directions by the transmission gear 6.2 and the transmission gear 6.1 which are meshed with each other through the chain wheel and a chain.
Referring to fig. 6, tray sliders are fixed to both sides of the bottom of the rail-type tray 26 and slidably connected to the tray rail 20 through tray sliders 27; a tray clamping frame 28 is axially fixed at the bottom of the guide rail type tray 26 along the center, the tray clamping frame is clamped by two friction wheels, the tray clamping frame 28 is driven to linearly move through the reverse rotation of the two friction wheels, and the guide rail type tray 26 is further driven to reciprocate along the tray guide rail 20.
Referring to fig. 7(a), 7(b), 7(c) and 7(d), the method for taking goods from the friction wheel type heavy goods carrying platform comprises the following specific steps:
the method comprises the following steps: starting a feed driving motor 17 to drive a transmission screw 14 to rotate, and driving a holding rack 21 to move along the axial direction of the transmission screw 14 by a screw nut 16; meanwhile, the friction wheel clamping mechanism arranged on the clamping rack 21 moves towards the outer end of the cargo rack 25, and the feeding driving motor 17 is closed after the friction wheel clamping mechanism is in butt joint with a tray clamping rack 28 of the guide rail type tray 26;
step two: the holding driving motor 8 is started to rotate positively to drive the driving chain wheel 7 to rotate anticlockwise, and then the driving chain wheel 7 drives the chain transmission gear 9 to rotate anticlockwise, the transmission gear 6.2 to rotate clockwise, the chain wheel 5.2 to rotate clockwise and the friction wheel 2.2 to rotate clockwise in sequence; meanwhile, the transmission gear 6.2 drives the transmission gear 6.1 to rotate anticlockwise, the chain wheel 5.1 to rotate anticlockwise and the friction wheel 2.1 to rotate anticlockwise in sequence; the two friction wheels are synchronously rolled inwards, the tray clamping beam 28 is clamped and continuously pulled in, the tray clamping beam moves towards the middle of the clamping rack 21, meanwhile, the tray sliding block 27 of the guide rail type tray 26 is matched with the tray guide rail 20 on the clamping rack 21 for guiding, the guide rail type tray 26 is guaranteed to move linearly until the guide rail type tray 26 is pulled right above the clamping rack 21, the goods taking is finished, and the clamping driving motor 8 is closed.
The invention discloses a method for carrying out inventory on a friction wheel type heavy goods carrying platform, which comprises the following specific steps:
the method comprises the following steps: starting a feed driving motor 17 to drive a transmission screw 14 to rotate, and driving a holding rack 21 to move along the axial direction of the transmission screw 14 by a screw nut 16; moving the friction wheel clamping mechanism arranged on the clamping table frame 21 to a target cargo space, and closing the feeding driving motor 17 after the friction wheel clamping mechanism is butted with a tray clamping frame 28 of the guide rail type tray 26;
step two: the holding driving motor 8 is started to rotate reversely, the driving chain wheel 7 is driven to rotate clockwise, and then the driving chain wheel 7 sequentially drives the chain transmission gear 9 to rotate clockwise, the transmission gear 6.2 to rotate anticlockwise, the chain wheel 5.2 to rotate anticlockwise and the friction wheel 2.2 to rotate anticlockwise; meanwhile, the transmission gear 6.2 sequentially drives the transmission gear 6.1 to rotate clockwise, the chain wheel 5.1 to rotate clockwise and the friction wheel 2.1 to rotate clockwise; the synchronous outward rolling of two friction wheels is realized, the tray clamping beam 28 is clamped and continuously pushed out, the tray clamping frame 21 moves outwards, meanwhile, the tray sliding block 27 of the guide rail type tray 26 is matched with the tray guide rail 20 on the clamping frame 21 for guiding, the linear motion of the guide rail type tray 26 is ensured, the operation is stopped until the guide rail type tray 26 is pushed to a limit switch on a goods position, the goods are stored, and the clamping driving motor 8 is closed.
Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made in the above embodiments by those of ordinary skill in the art without departing from the principle and spirit of the present invention.
Claims (9)
1. The utility model provides a heavy cargo bed of friction wheel formula which characterized in that: comprises a cargo rack (25), a slide rail component, a friction wheel micro-feeding mechanism, a friction wheel clamping mechanism and a guide rail type tray (26); the cargo carrying rack (25) is of a frame structure, the middle part of the upper end of the cargo carrying rack is provided with a friction wheel micro-feeding mechanism, and two ends of the cargo carrying rack are symmetrically provided with a group of friction wheel clamping mechanisms; the sliding rail components are arranged on two sides of the goods carrying rack (25), and the guide rail type tray (26) is arranged above the goods carrying rack (25) through the friction wheel clamping mechanism and the sliding rail components and used for storing goods;
the sliding rail assembly comprises linear guide rails (23), a sliding block (22), a clamping rack (21) and a tray guide rail (20), and the two linear guide rails (23) are oppositely arranged on two sides of the upper end of the cargo rack (25); the clamping rack (21) is of a rectangular frame structure, and two sides of the lower end of the clamping rack are respectively connected with two linear guide rails (23) in a sliding mode through sliding blocks (22); the two tray guide rails (20) are arranged in parallel and oppositely at two sides of the upper end of the clamping rack (21), are used as slide rails of the guide rail type tray and are arranged in parallel with the linear guide rails (23);
the friction wheel micro-feeding mechanism comprises a feeding driving motor (17), and the feeding driving motor (17) drives the holding rack (21) to slide along the linear guide rail (23);
the two friction wheel clamping mechanisms are respectively arranged at two ends of the clamping rack (21) and respectively comprise a friction wheel (2.1), a friction wheel (2.2), a clamping driving motor (8), a fixing bolt (10) and a clamping sleeve (11); the clamping sleeves (11) are of a transverse U-shaped plate structure, the two clamping sleeves (11) are symmetrically arranged, and the open ends of the two clamping sleeves are opposite; the side wall of the clamping sleeve (11) is fixed with the clamping rack (21) through a fixing bolt (10), and a pressure spring is sleeved on the fixing bolt (10) and used for buffering; the friction wheel (2.1) and the friction wheel (2.2) are respectively arranged in the two clamping sleeves (11) through wheel shafts, the axial direction of the friction wheel is vertical to the sliding surface of the clamping rack (21), and the clamping driving motor (8) drives the friction wheels to realize the reverse rotation of the two friction wheels;
tray sliding blocks are fixed on two sides of the bottom of the guide rail type tray (26) and are in sliding connection with the tray guide rail (20) through the tray sliding blocks (27); a tray clamping frame (28) is axially fixed at the bottom of the guide rail type tray (26) along the middle axis, the tray clamping frame is clamped by two friction wheels, the tray clamping frame (28) is driven to linearly move through the reverse rotation of the two friction wheels, and then the guide rail type tray (26) is driven to reciprocate along the tray guide rail (20).
2. The friction wheel heavy duty load bed of claim 1, wherein: the friction wheel clamping mechanism further comprises anti-loosening damping devices (1), wherein the two anti-loosening damping devices (1) are respectively installed on the outer side walls of the two clamping sleeves (11) and used for reducing the rigid impact between the friction wheel and the tray clamping frame.
3. The friction wheel heavy duty load bed of claim 1, wherein: the two linear guide rails (23) are respectively installed on two sides of the upper end of the cargo rack (25) through guide rail fixing grooves (24).
4. The friction wheel heavy duty load bed of claim 1, wherein: the friction wheel micro-feeding mechanism also comprises a transmission lead screw fixing plate (12), a transmission lead screw (14), a lead screw nut fixing plate (15), a lead screw nut (16) and a lead screw motor fixing plate (18); two ends of a transmission screw (14) are respectively arranged on the cargo carrying rack (25) through a transmission screw fixing plate (12) and a screw motor fixing plate (18) and are in rotary connection, and meanwhile, the axial direction of the transmission screw (14) is ensured to be parallel to the linear guide rail (23); the screw nut (16) is arranged on the transmission screw (14) through internal thread matching and is fixed at the bottom of the clamping rack (21) through a screw nut fixing plate (15); the feed driving motor (17) is arranged on the lead screw motor fixing plate (18), and the output shaft of the feed driving motor is coaxially and fixedly connected with the transmission lead screw (14); the feed driving motor (17) drives the transmission screw rod (14) to rotate, and then the screw rod nut (16) converts the rotary motion into linear motion to drive the clamping rack (21) to slide along the linear guide rail (23).
5. A friction wheel heavy duty load bed as recited in claim 3 wherein: and two ends of the transmission lead screw (14) are connected with a lead screw fixing plate (12) and a lead screw motor fixing plate (18) through bearings and bearing seats.
6. The friction wheel heavy duty load bed of claim 1, wherein: the friction wheel clamping mechanism further comprises a chain (4.1), a chain (4.2), a chain wheel (5.1), a chain wheel (5.2), a transmission gear (6.1), a transmission gear (6.2), a driving chain wheel (7) and a chain wheel transmission gear (9); wherein, the axial directions of the chain wheel (5.1), the chain wheel (5.2), the transmission gear (6.1), the transmission gear (6.2), the driving chain wheel (7) and the chain wheel transmission gear (9) are all vertical to the sliding surface of the clamping rack (21); the clamping driving motor (8) is fixed on the clamping rack (21) through a motor base, and the output end of the clamping driving motor is connected with the driving chain wheel (7) through a coupler; the chain wheel transmission gear (9) is arranged on the clamping rack (21) through rotary connection and is in transmission connection with the driving chain wheel (7) through a chain; the transmission gear (6.1), the transmission gear (6.2), the friction wheel (2.1) and the friction wheel (2.2) are symmetrically arranged relative to the central axis of the clamping rack (21); the chain wheel transmission gear (9) is sequentially meshed with the transmission gear (6.1) and the transmission gear (6.2), and the chain wheel (5.1) and the chain wheel (5.2) are respectively and coaxially arranged above the transmission gear (6.1) and the transmission gear (6.2); the friction wheel (2.1) and the friction wheel (2.2) are in transmission connection with the chain wheel (5.1) and the chain wheel (5.2) through the chain (4.1) and the chain (4.2) respectively and are positioned on the outer side far away from the friction wheel micro-feeding mechanism; two groups of friction wheels, chains, chain wheels and transmission gears are respectively arranged in the two clamping sleeves (11) through wheel shafts;
a driving chain wheel (7) is driven to rotate by a holding driving motor (8), a chain wheel transmission gear (9), a transmission gear (6.2) and a transmission gear (6.1) are sequentially driven to rotate, and a friction wheel (2.2) and the friction wheel (2.1) are driven to rotate in the forward and reverse directions by the transmission gear (6.2) and the transmission gear (6.1) which are meshed with each other through a chain wheel and a chain.
7. The friction wheel heavy duty load bed of claim 5, wherein: and chain wheel tensioning devices (3) are respectively arranged on the chain (4.1) and the chain (4.2) and used for adjusting the tightness degree of the chain.
8. A method of taking goods from a friction wheel heavy duty load bed as claimed in any one of claims 1 to 7, characterized by the specific steps of:
the method comprises the following steps: a feed driving motor (17) is started to drive a transmission lead screw (14) to rotate, and a lead screw nut (16) drives a holding rack (21) to move along the axial direction of the transmission lead screw (14); meanwhile, the friction wheel clamping mechanism arranged on the clamping rack (21) moves towards the outer end of the cargo rack (25), and the feeding driving motor (17) is closed after the friction wheel clamping mechanism is butted with a tray clamping rack (28) of a guide rail type tray (26);
step two: the clamping driving motor (8) is started to rotate positively, the driving chain wheel (7) is driven to rotate anticlockwise, and then the driving chain wheel (7) sequentially drives the chain transmission gear (9) to rotate anticlockwise, the transmission gear (6.2) to rotate clockwise, the chain wheel (5.2) to rotate clockwise and the friction wheel (2.2) to rotate clockwise; meanwhile, the transmission gear (6.2) drives the transmission gear (6.1) to rotate anticlockwise, the chain wheel (5.1) to rotate anticlockwise and the friction wheel (2.1) to rotate anticlockwise in sequence; the two friction wheels are synchronously rolled inwards, the tray clamping beam (28) is clamped and continuously pulled in, the tray clamping beam moves towards the middle of the clamping rack (21), meanwhile, the tray sliding block (27) of the guide rail type tray (26) is matched with the tray guide rail (20) on the clamping rack (21) for guiding, the guide rail type tray (26) is guaranteed to linearly move until the guide rail type tray (26) is pulled right above the clamping rack (21), the goods taking is finished, and the clamping driving motor (8) is closed.
9. A method of inventorying a friction wheel heavy duty cargo bed as claimed in any one of claims 1 to 7, characterized by the specific steps of:
the method comprises the following steps: a feed driving motor (17) is started to drive a transmission lead screw (14) to rotate, and a lead screw nut (16) drives a holding rack (21) to move along the axial direction of the transmission lead screw (14); moving the friction wheel clamping mechanism arranged on the clamping rack (21) to a target cargo space, butting the friction wheel clamping mechanism with a tray clamping rack (28) of a guide rail type tray (26), and closing the feeding driving motor (17);
step two: the clamping driving motor (8) is started to rotate reversely, the driving chain wheel (7) is driven to rotate clockwise, and then the driving chain wheel (7) sequentially drives the chain transmission gear (9) to rotate clockwise, the transmission gear (6.2) to rotate anticlockwise, the chain wheel (5.2) to rotate anticlockwise and the friction wheel (2.2) to rotate anticlockwise; meanwhile, the transmission gear (6.2) sequentially drives the transmission gear (6.1) to rotate clockwise, the chain wheel (5.1) to rotate clockwise and the friction wheel (2.1) to rotate clockwise; the synchronous outward rolling of two friction wheels is realized, the tray is clamped by the tray clamping beam (28) and is continuously pushed out, the tray moves towards the outside of the clamping rack (21), meanwhile, the tray sliding block (27) of the guide rail type tray (26) is matched with the tray guide rail (20) on the clamping rack (21) for guiding, the linear motion of the guide rail type tray (26) is ensured, the operation is stopped until the guide rail type tray (26) is pushed to a limit switch on a goods position, the goods storage is completed, and the clamping driving motor (8) is closed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110688078.7A CN113525983A (en) | 2021-06-21 | 2021-06-21 | Friction wheel type heavy-duty cargo carrying platform and storing and taking method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110688078.7A CN113525983A (en) | 2021-06-21 | 2021-06-21 | Friction wheel type heavy-duty cargo carrying platform and storing and taking method |
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| CN113525983A true CN113525983A (en) | 2021-10-22 |
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| CN202110688078.7A Pending CN113525983A (en) | 2021-06-21 | 2021-06-21 | Friction wheel type heavy-duty cargo carrying platform and storing and taking method |
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