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CN-122003379-A - Lifting device and lifting system

CN122003379ACN 122003379 ACN122003379 ACN 122003379ACN-122003379-A

Abstract

Exemplary embodiments of the present disclosure relate to a lifting device (1) and a lifting system. The lifting device (1) comprises a base (50), a supporting component (10), a first transmission component (30), a second transmission component (40) and a driving component (20). The support assembly (10) is configured to support an object thereon and to drive the object to move in a lifting direction (L). The first transmission assembly (30) is connected to the base (50) and the support assembly (10). The second transmission assembly (40) is connected to the base (50) and the support assembly (10), wherein the first transmission assembly (30) and the second transmission assembly (40) are symmetrically arranged relative to a virtual plane parallel to the lifting direction (L). The drive assembly (20) is connected to the first transmission assembly (30) and the second transmission assembly (40) and is configured to drive the first transmission assembly (30) and the second transmission assembly (40) to move symmetrically in synchronization with respect to the virtual plane. According to the exemplary embodiment of the present disclosure, the lifting device (1) can achieve the effects of compact structure and low cost while improving the assemblability and structural stability.

Inventors

  • XU PUSHUANG
  • Termo Miguel Medina
  • Juan Bautista Lundrino Fernandez
  • DONG ZHENGHAO
  • DING ZHIJUN

Assignees

  • ABB瑞士股份有限公司

Dates

Publication Date
20260508
Application Date
20231027

Claims (11)

  1. 1. A lifting device (1) comprising: a base (50); -a support assembly (10) configured to support an object thereon and to raise and lower the object in a raising and lowering direction (L); -a first transmission assembly (30) connected to the base (50) and to the support assembly (10); A second transmission assembly (40) connected to the base (50) and to the support assembly (10), wherein the first transmission assembly (30) and the second transmission assembly (40) are symmetrically arranged with respect to a virtual plane parallel to the lifting direction (L), and -A drive assembly (20) connected to the first transmission assembly (30) and the second transmission assembly (40), the drive assembly (20) being configured to drive the first transmission assembly (30) and the second transmission assembly (40) in a synchronous and symmetrical movement with respect to the virtual plane.
  2. 2. Lifting device (1) according to claim 1, wherein the first transmission assembly (30) comprises: A first pair of connecting rods (31) having a first fixed pivot (311) fixedly connected to the support assembly (10) and a first pair of rollers (312) movably connected to the base (50), and A second pair of links (32) pivotally connected to the first pair of links (31), the second pair of links (32) having a second fixed pivot (321) fixedly connected to the base (50) and a second pair of rollers (322) movably connected to the support assembly (10), and Wherein the second transmission assembly (40) comprises: A third pair of connecting rods (43) having a third fixed pivot (431) fixedly connected to the support assembly (10) and a third pair of rollers (432) movably connected to the base (50), and A fourth pair of links (44) pivotally connected to the third pair of links (43), the fourth pair of links (44) having a fourth fixed pivot (441) fixedly connected to the base (50) and a fourth pair of rollers (442) movably connected to the support assembly (10).
  3. 3. Lifting device (1) according to claim 2, Wherein the first pair of rollers (312) and the second pair of rollers (322) are closer to the virtual plane than the first fixed pivot (311), the second fixed pivot (321), and Wherein the third pair of rollers (432) and the fourth pair of rollers (442) are closer to the virtual plane than the third fixed pivot (431), the fourth fixed pivot (441).
  4. 4. A lifting device (1) according to any one of claims 2 to 3, wherein the drive assembly (20) is connected to the first pair of links (31) at a position close to the first pair of rollers (312) and to the third pair of links (43) at a position close to the third pair of rollers (432).
  5. 5. The lifting device (1) according to any one of claims 2 to 4, wherein the base (50) comprises a base rail (520), the first pair of rollers (312) and the third pair of rollers (432) being movable along the base rail (520).
  6. 6. Lifting device (1) according to any one of claims 2 to 5, wherein the support assembly (10) comprises: a support body (11) configured to support the object, and -A support rail (120), along which support rail (120) the second pair of rollers (322) and the fourth pair of rollers (442) are movable.
  7. 7. The lifting device (1) according to any one of claims 2 to 6, wherein the first fixed pivot (311) and the first pair of rollers (312) are disposed at opposite ends of the first pair of links (31), and Wherein the second fixed pivot (321) and the second pair of rollers (322) are disposed at opposite ends of the second pair of links (32).
  8. 8. The lifting device (1) according to any one of claims 2 to 6, wherein the third fixed pivot (431) and the third pair of rollers (432) are provided at opposite ends of the third pair of links (43), and Wherein the fourth fixed pivot (441) and the fourth pair of rollers (442) are disposed at opposite ends of the fourth pair of links (44).
  9. 9. Lifting device (1) according to any one of claims 2 to 8, wherein the first pair of links (31) and the second pair of links (32) are hinged to each other at their middle portions by a first connecting pivot (350), and Wherein the third pair of links (43) and the fourth pair of links (44) are hinged to each other at their central portions by a second connecting pivot (450).
  10. 10. The lifting device (1) according to any one of claims 1 to 9, wherein the drive assembly (20) comprises: -a motor (21) connected to the shaft (22) and configured to drive the shaft (22) in a rectilinear movement along two opposite directions perpendicular to the lifting direction (L); a first connection (23) connected to the shaft (22) and to the first transmission assembly (30), and -A second connection (24) connected to the shaft (22) and to the second transmission assembly (40).
  11. 11. A lifting system comprising a lifting device (1) according to any one of claims 1 to 10.

Description

Lifting device and lifting system Technical Field Exemplary embodiments of the present disclosure relate generally to the field of industry, and more particularly, to a lifting device and a corresponding lifting system. Background Automated Guided Vehicles (AGVs) are increasingly used in manufacturing industries in a variety of settings, such as component transport in factories or cargo handling in warehouses. In the working process of the automatic guided vehicle, the lifting motion of the lifting device is an important function, and various cargoes can be lifted to a required position conveniently. For the lifting movement of the automated guided vehicle, a plurality of different mechanical configurations can be used. However, the existing structure has insufficient space compactness and high cost, and the structure details are different in practical application, so that the application range of the scheme is limited. Disclosure of Invention In general, exemplary embodiments of the present disclosure provide a lifting device and corresponding lifting system to address existing problems and/or any potential problems. According to a first aspect, a lifting device is provided. The lifting device comprises a base, a supporting component, a first transmission component, a second transmission component and a driving component, wherein the supporting component is used for supporting an object on the base and driving the object to move along a lifting direction, the first transmission component is connected to the base and the supporting component, the second transmission component is connected to the base and the supporting component and is symmetrically arranged relative to a virtual plane parallel to the lifting direction, and the driving component is connected to the first transmission component and the second transmission component and is used for driving the first transmission component and the second transmission component to synchronously and symmetrically move relative to the virtual plane. According to the exemplary embodiment of the disclosure, the lifting device can achieve the effects of compact structure and low cost, and meanwhile, the assembly property and the structural stability of the lifting device can be improved. In some exemplary embodiments, the first transmission assembly includes a first pair of links having a first fixed pivot fixedly coupled to the support assembly and a first pair of rollers movably coupled to the base, and a second pair of links pivotally coupled to the first pair of links having a second fixed pivot fixedly coupled to the base and a second pair of rollers movably coupled to the support assembly, and the second transmission assembly includes a third pair of links having a third fixed pivot fixedly coupled to the support assembly and a third pair of rollers movably coupled to the base, and a fourth pair of links pivotally coupled to the third pair of links and a fourth pair of links having a fourth fixed pivot fixedly coupled to the base and a fourth pair of rollers movably coupled to the support assembly. In some exemplary embodiments, the first pair of rollers is closer to the virtual plane than the first fixed pivot, the second fixed pivot, and the third pair of rollers is closer to the virtual plane than the third fixed pivot, the fourth fixed pivot. In some exemplary embodiments, the drive assembly is coupled to the first pair of links proximate to the first pair of rollers and coupled to the third pair of links proximate to the third pair of rollers. In some exemplary embodiments, the base includes a base rail along which the first pair of rollers and the third pair of rollers are movable. In some exemplary embodiments, the support assembly includes a support body configured to support an object, and a support rail along which the second pair of rollers and the fourth pair of rollers are movable. In some exemplary embodiments, the first fixed pivot and the first pair of rollers are disposed at opposite ends of the first pair of links, and the second fixed pivot and the second pair of rollers are disposed at opposite ends of the second pair of links. In some exemplary embodiments, the third fixed pivot and the third pair of rollers are disposed at opposite ends of the third pair of links, and the fourth fixed pivot and the fourth pair of rollers are disposed at opposite ends of the fourth pair of links. In some exemplary embodiments, the first and second pairs of links are hinged to each other at their middle portions by a first connecting pivot, and the third and fourth pairs of links are hinged to each other at their middle portions by a second connecting pivot. In some exemplary embodiments, the drive assembly includes a motor coupled to a shaft and configured to drive the shaft in two opposite directions that are perpendicular to a lifting direction, a first link coupled to the shaft and the first transmission assembly, and a second link coupled to the shaft