Heavy elevator with conveying function
By designing a heavy-duty lift with a conveyor, and using a worm gear screw lifting assembly and a synchronous drive system, the problem of low efficiency in multi-level cargo handling was solved, and stable lifting and efficient conveying of items at fixed gripping positions was achieved.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- SHANGHAI BIFA MACHINERY EQUIPMENT CO LTD
- Filing Date
- 2025-06-23
- Publication Date
- 2026-05-08
AI Technical Summary
In existing technologies, multi-layer cargo handling is inefficient. The robotic arm needs to constantly adjust its posture in the vertical direction, which increases the difficulty of grasping and affects the conveying efficiency.
Design a heavy-duty lifting platform with a conveyor, employing a worm gear screw lifting assembly and a synchronous drive system to ensure that the item is in a fixed gripping position. Combined with clamping cylinders and sensor detection, stable lifting and item positioning are achieved.
It reduces the difficulty of handling by robotic arms, improves the conveying efficiency of the production line, ensures that items are in fixed gripping positions, and enhances the operational stability and load capacity of multi-layer stacking.
Smart Images

Figure CN224212344U_ABST
Abstract
Description
Technical Field
[0001] This utility model belongs to the field of elevator technology, specifically relating to a heavy-duty elevator with a conveyor. Background Technology
[0002] When products are transported on the production line, they are generally handled by robotic arms. Conventional handling is accomplished by robotic arms through horizontal movement, vertical movement, and rotation. When transporting pallets with multiple layers of materials, the robotic arms need to constantly adjust their descent posture in the vertical direction. This process requires precise calculations to complete the gripping action, which increases the difficulty of gripping multi-layered items and thus affects the overall conveying efficiency of the production line. To address this, we have designed and proposed a heavy-duty lifting platform with a conveyor. Utility Model Content
[0003] The purpose of this invention is to address the shortcomings of low efficiency in multi-layer cargo handling in existing technologies by proposing a heavy-duty elevator with a conveyor system. This heavy-duty elevator with a conveyor system ensures that stacked items are always in a fixed gripping position, which reduces the difficulty of handling and gripping by robotic arms and improves conveying efficiency.
[0004] To achieve the above objectives, the present invention adopts the following technical solution:
[0005] Design a heavy-duty lifting platform with a conveyor, including a base, a lifting platform mounted on the base, and worm gear screw lifting assemblies located at the four corners of the lifting platform on the base. A lifting motor is fixed on the base, and the output end of the lifting motor synchronously drives the worm gear screw lifting assemblies on both sides through a first steering gear and a second steering gear. An optical shaft connects the two worm gear screw lifting assemblies on the same side, as well as the first and second steering gears. A power roller is arrayed on the lifting platform, and a conveyor motor for driving the power roller is located below the lifting platform. A pair of sensors for detecting goods are located above the lifting platform. When the sensors do not detect goods, the lifting platform rises to a predetermined height.
[0006] Furthermore, the worm gear screw lifting assembly includes a housing, in which a screw is inserted through the housing. The top of the screw is fixedly connected to the lifting platform. An internally threaded bushing is fixedly connected to the housing via a bearing. The internally threaded bushing is fitted inside the screw. A worm gear is fixedly mounted on the outside of the internally threaded bushing. A meshing worm is provided on one side of the worm gear. The worm is fixed on a light shaft. A protective sleeve is provided on the outside of the screw. The protective sleeve is fixed on the base.
[0007] Furthermore, the first and second steering gears are equipped with bevel gears for transmission, which are connected to the optical shaft.
[0008] Furthermore, one end of the power roller is provided with two sprockets arranged side by side, and the sprockets between adjacent power rollers are connected by a chain, and the conveying motor is connected to one of the sprockets through a chain.
[0009] Furthermore, a first bracket is fixed to one side of the base, and a second bracket is fixed to the other side of the base on the lifting platform. The first bracket and the second bracket are arranged correspondingly, and the sensor is fixed to the top.
[0010] Furthermore, clamping cylinders are fixedly installed on both sides of the lifting platform, and buffer blocks are fixedly installed on the output end of the clamping cylinders.
[0011] Furthermore, guide rods are symmetrically arranged on the upper sides of the lifting platform, and the two ends of the guide rods are bent outward at an angle.
[0012] The present invention proposes a heavy-duty lifting platform with a conveyor, which has the following advantages: the platform can raise the height of the stacked items according to their height, and ensure that the stacked items are always in a fixed gripping position during handling, which facilitates the gripping and handling by the robotic arm, thereby reducing the difficulty of the robotic arm's handling and gripping, improving the conveying efficiency of the entire production line, and using four worm gear screw lifting components to synchronously drive the lifting platform to rise, which makes the rise more stable and has a greater load capacity. Attached Figure Description
[0013] The accompanying drawings are provided to further illustrate the present invention and form part of the specification. They are used together with the embodiments of the present invention to explain the present invention, but do not constitute a limitation thereof. In the drawings:
[0014] Figure 1 This is a three-dimensional structural schematic diagram of the present invention;
[0015] Figure 2 This is a side view of the present invention;
[0016] Figure 3 This is a schematic diagram of the internal structure of the worm gear screw lifting assembly in this utility model;
[0017] Figure 4 This is a schematic diagram of the internal structure of the first and second steering gears in this utility model;
[0018] Figure 5 This is a schematic diagram of the structure of the power roller in this utility model;
[0019] The components in the diagram are labeled as follows: 1. Base; 11. First support; 2. Lifting platform; 21. Second support; 22. Guide rod; 3. Power roller; 31. Conveyor motor; 32. Sprocket; 4. Worm gear and lead screw lifting assembly; 41. Housing; 42. Lead screw; 43. Internal threaded bushing; 44. Worm gear; 45. Worm; 46. Optical shaft; 47. Protective sleeve; 5. Lifting motor; 51. First steering gear; 52. Second steering gear; 6. Clamping cylinder; 61. Buffer block; 7. Sensor. Detailed Implementation
[0020] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of the present utility model without creative effort are within the protection scope of the present utility model.
[0021] In the description of this utility model, it should be noted that the terms "upper," "lower," "inner," "outer," "top / bottom," etc., indicating the orientation or positional relationship are based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model. Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.
[0022] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installed," "equipped with," "sleeved / connected," "connected," etc., should be interpreted broadly. For example, "connection" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium; it can be a connection within two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.
[0023] The structural features of this utility model will now be described in detail with reference to the accompanying drawings.
[0024] See Figures 1-5A heavy-duty lifting platform with a conveyor includes a base 1, a lifting platform 2 mounted on the base 1, and worm gear screw lifting assemblies 4 located at the four corners of the lifting platform 2 on the base 1. Because the worm gear screw lifting assemblies 4 have a self-locking capability, they can effectively ensure the stability of the lifting platform 2. The worm gear screw lifting assembly 4 includes a housing 41, with a screw 42 passing through the housing 41. The top of the screw 42 is fixedly connected to the lifting platform 2. An internally threaded bushing 43 is fixedly connected to the housing 41 via a bearing, and the internally threaded bushing 43 is fitted inside the screw 42. A worm gear 44 is fixedly provided on the outer side, and a meshing worm 45 is provided on one side of the worm gear 44. The worm 45 is fixed on the optical shaft 46. During operation, the worm 45 rotates under the drive of the optical shaft 46, thereby driving the worm gear 44 to rotate. The rotated worm gear 44 drives the internal threaded bushing 43 to rotate. Since the internal threaded bushing 43 is fixed on the housing 41 by a bearing, it drives the lead screw 42, so that the lead screw 42 moves up and down with the rotation of the internal threaded bushing 43. In order to prevent dust from falling on the lead screw 42, a protective sleeve 47 is provided on the outer side of the lead screw 42, and the protective sleeve 47 is fixed on the base 1.
[0025] A lifting motor 5 is fixedly installed on the base 1. The output end of the lifting motor 5 synchronously drives the worm gear screw lifting assemblies 4 on both sides through the first steering gear 51 and the second steering gear 52. The two worm gear screw lifting assemblies 4 on the same side and the first steering gear 51 and the second steering gear 52 are connected by an optical shaft 46. The first steering gear 51 and the second steering gear 52 are equipped with bevel gears for transmission. The bevel gears are connected to the optical shaft 46. Through the first steering gear 51, the second steering gear 52 and the optical shaft 46, the lifting motor 5 can synchronously drive the four worm gear screw lifting assemblies 4 to lift synchronously. On the one hand, it can improve the stability of the lifting platform 2 when it rises. On the other hand, it can improve the load capacity of the lifting platform 2, so that it can lift objects weighing no more than 800 kg.
[0026] The lifting platform 2 is equipped with arrayed power rollers 3. Below the lifting platform 2 is a conveyor motor 31 for driving the power rollers 3. One end of each power roller 3 has two sprockets 32 arranged side-by-side. The sprockets 32 of adjacent power rollers 3 are connected by a chain. The conveyor motor 31 is connected to one of the sprockets 32 via a chain, allowing the power rollers 3 to rotate synchronously, thus enabling the lifting platform 2 to convey pallets containing stacked multi-layered items. Clamping cylinders 6 are fixedly installed on both sides of the lifting platform 2. Buffer blocks 61 are fixedly installed on the output ends of the clamping cylinders 6. When a pallet enters the lifting platform 2, the clamping cylinders 6 clamp the pallet for positioning. Simultaneously, guide rods 22 are symmetrically arranged on the upper sides of the lifting platform 2. The two ends of the guide rods 22 are bent outwards at an angle, allowing fully loaded pallets to enter.
[0027] A pair of sensors 7 for detecting goods are provided above the lifting platform 2. A first bracket 11 is fixed on one side of the base 1, and a second bracket 21 is fixed on the other side of the lifting platform 2. The first bracket 11 and the second bracket 21 are arranged correspondingly, and the sensor 7 is fixed on the top. The sensor 7 is used to detect the goods on the top layer of the pallet. When the sensor 7 cannot detect the goods, the lifting platform 2 rises to a set height, which is the same as the height of one layer of goods.
[0028] This utility model's heavy-duty elevator with conveyor can raise the height of stacked items according to their height. During handling, it ensures that the stacked items are always in a fixed gripping position, facilitating the gripping and handling by the robotic arm, thereby reducing the difficulty of the robotic arm's handling and improving the overall conveying efficiency of the production line. Specifically, the heavy-duty elevator with conveyor is set at the end of the conveying production line. When a full pallet of material is conveyed to the end of the line and enters the lifting platform 2, the clamping cylinders 6 on both sides of the lifting platform 2 clamp and position the pallet at the bottom of the material. The robotic arm grabs the material from the pallet. For each piece (layer) of material removed, the worm gear screw lifting assembly 4 below rises by the corresponding distance of one piece (layer) of material.
[0029] The above description is merely a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.
Claims
1. A heavy-duty elevator with a conveyor, comprising a base (1), characterized in that, A lifting platform (2) is provided on the base (1), and a worm gear screw lifting assembly (4) is provided on the base (1) and at the four corners of the lifting platform (2). A lifting motor (5) is fixedly installed on the base (1). The output end of the lifting motor (5) drives the worm gear screw lifting assemblies (4) on both sides synchronously through the first steering machine (51) and the second steering machine (52). An optical shaft (46) is connected between the two worm gear screw lifting assemblies (4) on the same side and the first steering machine (51) and the second steering machine (52). The lifting platform (2) is provided with an array of power rollers (3), and a conveyor motor (31) for driving the power rollers (3) is provided below the lifting platform (2). The lifting platform (2) is equipped with a pair of sensors (7) for detecting goods. When the sensors (7) fail to detect the goods, the lifting platform (2) rises to a set height.
2. A heavy-duty elevator with conveyor according to claim 1, characterized in that, The worm gear screw lifting assembly (4) includes a housing (41), a screw (42) is provided through the housing (41), the top of the screw (42) is fixedly connected to the lifting platform (2), an internal threaded bushing (43) is fixedly connected to the housing (41) by a bearing, the internal threaded bushing (43) is sleeved on the screw (42), a worm gear (44) is fixedly provided on the outside of the internal threaded bushing (43), a meshing worm (45) is provided on one side of the worm gear (44), the worm (45) is fixed on the optical shaft (46), and a protective sleeve (47) is provided on the outside of the screw (42), the protective sleeve (47) is fixed on the base (1).
3. A heavy-duty elevator with conveyor according to claim 1, characterized in that, The first steering gear (51) and the second steering gear (52) are provided with bevel gears for transmission, which are connected to the optical shaft (46).
4. A heavy-duty elevator with conveyor according to claim 1, characterized in that, One end of the power roller (3) is provided with two sprockets (32) arranged side by side. The sprockets (32) between adjacent power rollers (3) are connected by a chain. The conveying motor (31) is connected to one of the sprockets (32) by a chain.
5. A heavy-duty elevator with conveyor according to claim 1, characterized in that, A first bracket (11) is fixed on one side of the base (1), and a second bracket (21) is fixed on the other side and on the lifting platform (2). The first bracket (11) and the second bracket (21) are arranged correspondingly, and the sensor (7) is fixed on the top.
6. A heavy-duty elevator with conveyor according to claim 1, characterized in that, The lifting platform (2) is fixedly provided with clamping cylinders (6) on both sides, and a buffer block (61) is fixedly provided on the output end of the clamping cylinder (6).
7. A heavy-duty elevator with conveyor according to claim 1, characterized in that, The lifting platform (2) is symmetrically provided with guide rods (22) on both sides above, and the two ends of the guide rods (22) are bent outward at an angle.