CN108147033B - Second grade extension rod shuttle with rack and pinion - Google Patents
Second grade extension rod shuttle with rack and pinion Download PDFInfo
- Publication number
- CN108147033B CN108147033B CN201810087607.6A CN201810087607A CN108147033B CN 108147033 B CN108147033 B CN 108147033B CN 201810087607 A CN201810087607 A CN 201810087607A CN 108147033 B CN108147033 B CN 108147033B
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- Prior art keywords
- extension rod
- rack
- rod
- vehicle body
- shuttle
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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
- B65G35/00—Mechanical conveyors not otherwise provided for
-
- 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
Abstract
The invention relates to the technical field of storage logistics and discloses a secondary extension rod shuttle with a gear rack, which comprises a vehicle body, a chassis, an extension rod mechanism, a driving mechanism and two rails, wherein the extension rod mechanism comprises a base, a primary extension rod, a secondary extension rod, two U-shaped groove bearings, a transmission gear, a driving motor and a shifting fork mechanism, the primary extension rod and the secondary extension rod are in meshed transmission through the gear rack, the secondary extension rod is circumferentially fixed through the U-shaped groove bearings, and the stable linear push rod movement of the secondary extension rod is ensured. The gear rack drives the first-stage extension rod and the second-stage extension rod, so that the grabbing range of the extension rod is enlarged, the grabbing distance is increased to at least 0.5 meter compared with that of the conventional shuttle, and the efficiency and the application range of the shuttle are improved. The invention has simple structure, low price, safety and high efficiency.
Description
Technical Field
The invention relates to the technical field of storage logistics equipment, in particular to a secondary boom shuttle with a gear rack.
Background
With the rapid development of the internet electronic commerce industry, people have increasingly demanded the logistics industry, and meanwhile, the demand for efficient logistics service has increasingly increased, so that a plurality of batches and a large number of commodities start to become a conveying main body.
The conventional conveying mode has the disadvantages that most of the conventional conveying modes are complex in structure, huge in size, high in cost and high in efficiency and accuracy, meanwhile, the conventional conveying mode mainly takes an embedded structure as a main part, the disassembly process is complicated, a plurality of problems exist in replacement and maintenance, and the operation of the internal structure and the mechanism cannot be intuitively felt, so that the stable operation and the efficient operation of the conveying mode can be greatly discounted.
In addition, the existing shuttle generally has two or more power sources, has a complicated structure and high energy consumption, and the single-pole extension rod of the existing shuttle also limits the grabbing range to a great extent, and can complete work under certain specific conditions by manual assistance. Furthermore, for most shuttles, the stepless adjustment of the boom also does not allow for high-precision cargo retrieval.
Aiming at the problems, the existing shuttle needs to simplify the structure and reduce the cost, so that the operation efficiency and the stability of the existing shuttle are improved, the picking range of the existing shuttle is enlarged, the main body structure of the existing shuttle is innovated, the original embedded structure is changed, and the existing shuttle is convenient to detach, replace and maintain; meanwhile, the power source of the shuttle car is properly reduced and simplified, so that the working energy consumption of the shuttle car is reduced; the single-stage telescopic dead tie of the traditional shuttle is broken, the original first-stage telescopic fork is changed into the second-stage telescopic rod, the picking range and speed are increased, the problems of slow goods storing and taking speed, low intelligent degree and the like are solved, the working performance of the shuttle is improved, and therefore industrial popularization and automation degree improvement of the shuttle are promoted.
Disclosure of Invention
The invention mainly aims at solving the problems of large energy consumption and small single-stage stretcher grabbing range of the existing shuttle and provides a two-stage stretcher shuttle with a gear rack.
A two-stage stretcher shuttle with a gear rack comprises a vehicle body 1, a chassis 2, a stretcher mechanism 3, a driving mechanism 4 and two rails 5.
The vehicle body 1 comprises a front vehicle body 11 and a rear vehicle body 12 which are of symmetrical structures, the front vehicle body 11 and the rear vehicle body 12 are respectively provided with a shell 13, the shells 13 are provided with a removable shell cover 14, two ends of each shell 13 are respectively connected with a supporting plate 15, and the shells 13, the shell covers 14 and the supporting plates 15 form a semi-closed cavity together.
The chassis 2 comprises a bottom plate 21 for connecting the front car body 11 and the rear car body 12, and two sides of the bottom plate 21 are respectively provided with a pair of limiting pulleys 23.
The front car body 11 and the rear car body 12 are respectively connected with a stretching rod mechanism 3, two wheels 45 and a wheel shaft 46, and the wheels 45 are arranged at two ends of the wheel shaft 46.
The front car body 11 is connected with a driving mechanism 4, and the driving mechanism 4 drives wheels 45 to run on two parallel arranged rails 5.
The extending rod mechanisms 3 on the front car body 11 and the rear car body 12 form a pair of pliers type goods picking devices, the boxes 6 on the left shelf in the advancing direction of the car body 1 are picked up, and after the car body 1 is driven to a set position, the extending rod mechanisms 3 unload the boxes 6 to the right shelf. Similarly, the boom mechanism 3 picks up the box 6 on the right shelf in the forward direction of the vehicle body 1, and after the vehicle body 1 travels to the set position, the boom mechanism 3 unloads the box 6 on the left shelf.
The further defined technical scheme is as follows:
the extension rod mechanism 3 comprises a base 31, a primary extension rod 32, a secondary extension rod 33, two U-shaped groove bearings 34, a transmission gear 35, a driving motor 36 and a shifting fork mechanism 37.
The lower side of the base 31 is connected to the upper plane of the bottom plate 21, an open slot is arranged in the extending direction of the upper side of the base 31, and a lower rack 311 is arranged on the upper side of the open slot.
The primary extending rod 32 is a rectangular plate, a gear shaft 351 is vertically connected to the middle position below the inner side surface of the primary extending rod 32, a bearing 352 is sleeved on the gear shaft 351, and a transmission gear 35 is mounted on the outer circle of the bearing 352.
Two bearing spindles 341 are connected above the inner side surface of the primary extending rod 32, a U-shaped groove bearing 34 is sleeved on the bearing spindles 341, the bearing spindles 341 penetrate the primary extending rod 32 and are locked on the outer side surface of the primary extending rod 32 by a hexagonal nut 342, and a transmission gear 35 is meshed with the lower rack 311.
The second-stage stretching rod 33 is a rectangular plate, an upper rack 331 is arranged on the lower side of the second-stage stretching rod 33, a rectangular hole 332 is formed in the middle of the second-stage stretching rod 33, the rectangular hole 332 is internally connected in a U-shaped groove of the U-shaped groove bearing 34, and the upper rack 331 is meshed with the transmission gear 35. Two ends of the secondary extending rod 33 are respectively connected with a shifting fork mechanism 37.
A connecting plate 321 is arranged below the outer side surface of the primary extending rod 32, the connecting plate 321 is connected with one end of a driving motor 36, and the other end of the driving motor 36 is connected to the base 31.
When the device works, the driving motor 36 pushes the primary extending rod 32 to slide in the opening groove, the transmission gear 35 rotates on the lower rack 311, and the rotating transmission gear 35 drives the upper rack 331 to drive the secondary extending rod 33 to slide on the U-shaped groove bearing 34.
The U-shaped groove bearing 34 is an R10 non-standard component optical axis U-shaped groove bearing with the inner diameter of 12mm and the outer diameter of 42 mm.
The driving motor 36 is a push rod motor with the model number of XTL800, the speed of 12mm/s and the effective thrust of 1000N.
The fork mechanism 37 includes a fork 371, a right angle connector 372, and a stepper motor 373. The right-angle connecting piece 372 is connected to the second-stage extending rod 33, the inner side of the right-angle connecting piece 372 is connected with the stepping motor 373, the output end of the stepping motor 373 is connected with one end of the shifting fork 371, and the stepping motor 373 drives the shifting fork 371 to do 90-degree rotation.
The drive mechanism 4 includes a main motor 41, a speed reducer 42, a conveyor belt 43, and a driven pulley 44. The output end of the main motor 41 is connected with a speed reducer 42, the speed reducer 42 is installed on the bottom plate 21 through a mounting flange 421, the output end of the speed reducer 42 is connected with a driving belt pulley, a driven belt pulley 44 is installed on a wheel shaft 46, and the driving belt pulley is connected with the driven belt pulley 44 through a conveying belt 43.
The main motor 41 is a DC brushless motor, and the model is 83ZWS03-36. The speed reducer 42 is of the type
PF80L1-10-P2-S2。
Two objective table plates 24 are arranged on the chassis 2, and the objective table plates 24 are made of polytetrafluoroethylene plates with the thickness of 10 mm. The beneficial technical effects of the invention are as follows:
(1) The gear rack drives the primary extension rod and the secondary extension rod, so that the grabbing range of the extension rod is enlarged, the grabbing distance is increased to at least 0.5 meter compared with the existing shuttle, and the efficiency of the shuttle is greatly improved.
(2) The gear rack mechanism can realize the secondary extension rod of the shuttle car through the movement of a single power source, namely the linear push rod of the driving motor, and has simple structure and reduced energy consumption.
(3) The secondary extension rod is circumferentially fixed through the U-shaped groove bearing, so that stable and linear push rod movement of the secondary extension rod is ensured.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is a schematic view of the inner structure of the front vehicle body of the present invention.
Fig. 3 is a schematic view of the chassis structure of the present invention.
FIG. 4 is a schematic view of the gear mesh of the stretcher mechanism of the present invention.
Fig. 5 is a schematic diagram of the assembly of the drive motor of the stretcher mechanism of the present invention.
Fig. 6 is an enlarged view of part a of fig. 5 in accordance with the present invention.
FIG. 7 is a schematic view of the primary stretcher bar structure of the present invention.
FIG. 8 is a schematic view of the structure of the secondary stretcher bar of the present invention.
Fig. 9 is a schematic view of the drive mechanism of the present invention.
FIG. 10 is a schematic view of the operation of the inventive stretcher bar in deployment.
Reference numerals in the drawings: the vehicle body 1, the front vehicle body 11, the rear vehicle body 12, the housing 13, the housing cover 14, the support plate 15, the chassis 2, the bottom plate 21, the limit pulley 23, the stage plate 24, the boom mechanism 3, the base 31, the lower rack 311, the primary boom 32, the connecting plate 321, the secondary boom 33, the upper rack 331, the rectangular hole 332, the U-shaped groove bearing 34, the bearing spindle 341, the hexagonal nut 342, the transmission gear 35, the gear shaft 351, the bearing 352, the driving motor 36, the fork mechanism 37, the fork 371, the right angle connector 372, the stepping motor 373, the driving mechanism 4, the main motor 41, the decelerator 42, the conveyor 43, the driven pulley 44, the wheels 45, the wheel axle 46, the guide rail 5, the case 6.
Detailed description of the preferred embodiments
The invention will be further illustrated by the following examples in conjunction with the accompanying drawings.
Example 1
Referring to fig. 1 to 3, a two-stage boom shuttle with rack and pinion comprises a body 1, a chassis 2, a boom mechanism 3, a driving mechanism 4 and two rails 5. The vehicle body 1 comprises a front vehicle body 11 and a rear vehicle body 12 which are of symmetrical structures, the front vehicle body 11 and the rear vehicle body 12 are respectively provided with a shell 13, the shells 13 are provided with a removable shell cover 14, two ends of each shell 13 are respectively connected with a supporting plate 15, and the shells 13, the shell covers 14 and the supporting plates 15 form a semi-closed cavity together. The chassis 2 comprises a bottom plate 21 for connecting the front car body 11 and the rear car body 12, two sides of the bottom plate 21 are respectively provided with a pair of limiting pulleys 23, and the limiting pulleys 23 reduce friction between the shuttle and the rail 5. Two objective table plates 24 are arranged on the chassis 2, the objective table plates 24 are made of polytetrafluoroethylene plates with the thickness of 10mm, and the polytetrafluoroethylene plates have the characteristics of high temperature resistance, corrosion resistance and high lubrication.
The front car body 11 and the rear car body 12 are respectively connected with a stretching rod mechanism 3, two wheels 45 and a wheel shaft 46, and the wheels 45 are arranged at two ends of the wheel shaft 46. The front car body 11 is connected with a driving mechanism 4, and the driving mechanism 4 drives wheels 45 to run on two parallel arranged rails 5.
Referring to fig. 4, 5, 7 and 8, the stretcher bar mechanism 3 includes a base 31, a primary stretcher bar 32, a secondary stretcher bar 33, a two-piece U-shaped groove bearing 34, a transmission gear 35, a driving motor 36 and a fork mechanism 37.
The lower side of the base 31 is connected to the upper plane of the bottom plate 21, an open slot is arranged in the extending direction of the upper side of the base 31, and a lower rack 311 is arranged on the upper side of the open slot.
The primary extending rod 32 is a rectangular plate, a gear shaft 351 is vertically connected to the middle position below the inner side surface of the primary extending rod 32, a bearing 352 is sleeved on the gear shaft 351, and a transmission gear 35 is mounted on the outer circle of the bearing 352.
Two bearing spindles 341 are connected above the inner side surface of the primary extending rod 32, a U-shaped groove bearing 34 is sleeved on the bearing spindles 341, the bearing spindles 341 penetrate the primary extending rod 32 and are locked on the outer side surface of the primary extending rod 32 by a hexagonal nut 342, and a transmission gear 35 is meshed with the lower rack 311.
The second-stage stretching rod 33 is a rectangular plate, an upper rack 331 is arranged on the lower side of the second-stage stretching rod 33, a rectangular hole 332 is formed in the middle of the second-stage stretching rod 33, the rectangular hole 332 is internally connected in a U-shaped groove of the U-shaped groove bearing 34, and the upper rack 331 is meshed with the transmission gear 35. Two ends of the secondary extending rod 33 are respectively connected with a shifting fork mechanism 37. A connecting plate 321 is arranged below the outer side surface of the primary extending rod 32, the connecting plate 321 is connected with one end of a driving motor 36, and the other end of the driving motor 36 is connected to the base 31.
When the device works, the driving motor 36 pushes the primary extending rod 32 to slide in the opening groove, the transmission gear 35 rotates on the lower rack 311, and the rotating transmission gear 35 drives the upper rack 331 to drive the secondary extending rod 33 to slide on the U-shaped groove bearing 34.
Referring to fig. 6, the fork mechanism 37 includes a fork 371, a right angle connector 372, and a stepper motor 373. The right-angle connecting piece 372 is connected to the second-stage extending rod 33, the inner side of the right-angle connecting piece 372 is connected with the stepping motor 373, the output end of the stepping motor 373 is connected with one end of the shifting fork 371, and the stepping motor 373 drives the shifting fork 371 to do 90-degree rotation. The stepper motor 373 is model 28HS3306A4.
Referring to fig. 9, the driving mechanism 4 includes a main motor 41, a speed reducer 42, a conveyor belt 43, and a driven pulley 44. The output end of the main motor 41 is connected with a speed reducer 42, the speed reducer 42 is installed on the bottom plate 21 through a mounting flange 421, the output end of the speed reducer 42 is connected with a driving belt pulley, a driven belt pulley 44 is installed on a wheel shaft 46, and the driving belt pulley is connected with the driven belt pulley 44 through a conveying belt 43.
Referring to fig. 10, the fork 37 is used for picking up and pushing the box 6, before picking up the box 6, the fork 37 is placed in a state of being in a plane with the secondary boom 33 by the stepping motor 373, and after the secondary boom 33 extends beyond the width of the box 6, the fork 37 is placed in a state of being perpendicular to the secondary boom 33 by the stepping motor 373, so as to pick up the box 6. Similarly, before pushing the box 6, the shifting fork 37 is placed in a state perpendicular to the secondary boom 33, then the box 6 is conveyed out of the shuttle by the blocking action of the shifting fork 37, after the box 6 is placed on a shelf, the shifting fork 37 is placed in a state of being in a plane with the secondary boom 33 by the stepping motor 373, and then the boom is contracted.
The extending rod mechanisms 3 on the front car body 11 and the rear car body 12 form a pair of pliers type goods picking devices, the boxes 6 on the left shelf in the advancing direction of the car body 1 are picked up, and after the car body 1 is driven to a set position, the extending rod mechanisms 3 unload the boxes 6 to the right shelf. Similarly, the boom mechanism 3 picks up the box 6 on the right shelf in the forward direction of the vehicle body 1, and after the vehicle body 1 travels to the set position, the boom mechanism 3 unloads the box 6 on the left shelf.
The above is not intended to limit the structure, shape, or any form of the present invention. Any simple modification, equivalent variation and modification of the above embodiments according to the technical substance of the present invention still fall within the scope of the technical solution of the present invention.
Claims (7)
1. A second grade extension rod shuttle with rack and pinion, its characterized in that: comprises a vehicle body (1), a chassis (2), a stretching rod mechanism (3), a driving mechanism (4) and two rails (5);
the automobile body (1) comprises a front automobile body (11) and a rear automobile body (12) which are of symmetrical structures, the front automobile body (11) and the rear automobile body (12) are both provided with a shell (13), a removable shell cover (14) is arranged on the shell (13), two ends of the shell (13) are respectively connected with a supporting plate (15), and the shell (13), the shell cover (14) and the supporting plates (15) form a semi-closed cavity together;
the chassis (2) comprises a bottom plate (21) for connecting the front vehicle body (11) and the rear vehicle body (12), and a pair of limit pulleys (23) are respectively arranged on two sides of the bottom plate (21);
the front car body (11) and the rear car body (12) are respectively connected with a stretching rod mechanism (3), two wheels (45) and a wheel shaft (46), and the wheels (45) are arranged at two ends of the wheel shaft (46);
the front vehicle body (11) is connected with a driving mechanism (4), and the driving mechanism (4) drives wheels (45) to run on two parallel tracks (5);
the front vehicle body (11) and the extension rod mechanism (3) on the rear vehicle body (12) form a pair of pliers-type goods picking devices, the boxes (6) on the left shelf in the advancing direction of the vehicle body (1) are picked up, and after the vehicle body (1) moves to a set position, the extension rod mechanism (3) unloads the boxes (6) on the right shelf; similarly, the extension rod mechanism (3) is used for picking up the box body (6) on the shelf on the right side of the advancing direction of the vehicle body (1), and the extension rod mechanism (3) is used for unloading the box body (6) on the shelf on the left side after the vehicle body (1) is driven to a set position;
the extension rod mechanism (3) comprises a base (31), a primary extension rod (32), a secondary extension rod (33), two U-shaped groove bearings (34), a transmission gear (35), a driving motor (36) and a shifting fork mechanism (37);
the lower side surface of the base (31) is connected to the upper plane of the bottom plate (21), an open slot is formed in the upper side surface of the base (31) in the extending direction, and a lower rack (311) is arranged on the upper side of the open slot;
the primary extending rod (32) is a rectangular plate, a gear shaft (351) is vertically connected to the middle position below the inner side surface of the primary extending rod (32), a bearing (352) is sleeved on the gear shaft (351), and a transmission gear (35) is arranged on the outer circle of the bearing (352);
two bearing spindles (341) are connected above the inner side surface of the primary extending rod (32), a U-shaped groove bearing (34) is sleeved on the bearing spindles (341), the bearing spindles (341) penetrate through the primary extending rod (32) and are locked on the outer side surface of the primary extending rod (32) through hexagonal nuts (342), and a transmission gear (35) is meshed with a lower rack (311);
the secondary extending rod (33) is a rectangular plate, an upper rack (331) is arranged on the lower side of the secondary extending rod (33), a rectangular hole (332) is formed in the middle of the secondary extending rod (33), the rectangular hole (332) is internally connected in a U-shaped groove of the U-shaped groove bearing (34), and the upper rack (331) is meshed with the transmission gear (35); two ends of the secondary extending rod (33) are respectively connected with a shifting fork mechanism (37);
a connecting plate (321) is arranged below the outer side surface of the primary extending rod (32), the connecting plate (321) is connected with one end of a driving motor (36), and the other end of the driving motor (36) is connected to the base (31);
when the device works, the driving motor (36) pushes the primary extending rod (32) to slide in the opening groove, the transmission gear (35) rotates on the lower rack (311), and the rotating transmission gear (35) drives the upper rack (331) to drive the secondary extending rod (33) to slide on the U-shaped groove bearing (34).
2. The secondary boom shuttle with rack and pinion of claim 1 wherein: the U-shaped groove bearing (34) is an R10 non-standard component optical axis U-shaped groove bearing with the inner diameter of 12mm and the outer diameter of 42 mm.
3. The secondary boom shuttle with rack and pinion of claim 1 wherein: the driving motor (36) is a push rod motor with the model number of XTL800, the speed of 12mm/s and the effective thrust of 1000N.
4. The secondary boom shuttle with rack and pinion of claim 1 wherein: the shifting fork mechanism (37) comprises a shifting fork (371), a right-angle connecting piece (372) and a stepping motor (373); the right-angle connecting piece (372) is connected to the second-stage extending rod (33), the inner side of the right-angle connecting piece (372) is connected with the stepping motor (373), the output end of the stepping motor (373) is connected with one end of the shifting fork (371), and the stepping motor (373) drives the shifting fork (371) to do 90 ︒ rotation.
5. The secondary boom shuttle with rack and pinion of claim 1 wherein: the driving mechanism (4) comprises a main motor (41), a speed reducer (42), a conveyor belt (43) and a driven belt wheel (44); the output end of the main motor (41) is connected with a speed reducer (42), the speed reducer (42) is installed on the bottom plate (21) through a mounting flange (421), the output end of the speed reducer (42) is connected with a driving belt wheel, a driven belt wheel (44) is installed on a wheel shaft (46), and the driving belt wheel is connected with the driven belt wheel (44) through a conveying belt (43).
6. The secondary boom shuttle with rack and pinion of claim 5 wherein: the main motor (41) is a direct current brushless motor, and the model is 83ZWS03-36; the model of the speed reducer (42) is PF80L1-10-P2-S2.
7. The secondary boom shuttle with rack and pinion of claim 1 wherein: two objective table plates (24) are arranged on the chassis (2), and the objective table plates (24) are made of polytetrafluoroethylene plates with the thickness of 10 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810087607.6A CN108147033B (en) | 2018-01-30 | 2018-01-30 | Second grade extension rod shuttle with rack and pinion |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810087607.6A CN108147033B (en) | 2018-01-30 | 2018-01-30 | Second grade extension rod shuttle with rack and pinion |
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| Publication Number | Publication Date |
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| CN108147033A CN108147033A (en) | 2018-06-12 |
| CN108147033B true CN108147033B (en) | 2023-08-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810087607.6A Active CN108147033B (en) | 2018-01-30 | 2018-01-30 | Second grade extension rod shuttle with rack and pinion |
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| CN109693899B (en) * | 2019-01-24 | 2020-06-05 | 郑州航空工业管理学院 | Device is looked up fast to books information |
| CN110406902B (en) * | 2019-05-30 | 2023-12-08 | 苏州荣世吉自动化设备有限公司 | Bidirectional telescopic device |
| CN110067303A (en) * | 2019-06-05 | 2019-07-30 | 云南明湖环境科技有限公司 | Sewage conduct inspection shaft Accrete clearing device and dredging method |
| CN110203601A (en) * | 2019-06-06 | 2019-09-06 | 山东洛杰斯特物流科技有限公司 | Agile type shuttle |
| CN110217532B (en) * | 2019-07-16 | 2023-08-25 | 贵阳普天物流技术有限公司 | Device for preventing shuttle car from being out of control in intensive warehouse |
| CN110255042A (en) * | 2019-07-22 | 2019-09-20 | 浙江凯乐士科技有限公司 | A kind of cargo fetching device, goods handling apparatus and system |
| CN110615376B (en) * | 2019-08-06 | 2023-07-25 | 东杰智能科技集团股份有限公司 | Pallet lifting mechanism of shuttle trolley |
| CN111776559B (en) * | 2019-09-09 | 2021-10-15 | 北京京东乾石科技有限公司 | Warehouse shuttle car |
| CN112747096A (en) * | 2020-12-03 | 2021-05-04 | 江苏海明医疗器械有限公司 | Bilateral movable pulley type two-stage linear linkage mechanism |
| CN112551076B (en) * | 2020-12-14 | 2023-05-05 | 科大智联(上海)技术有限公司 | Rail transit system |
| CN114803345A (en) * | 2022-04-28 | 2022-07-29 | 南京未来闪现智能科技有限公司 | System for realizing goods transportation and taking and placing among buildings |
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| CN108147033A (en) | 2018-06-12 |
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