Rotary lifting suspension arm

By using a rotating lifting boom design, the problems of swaying and limited space when lifting heavy objects are solved, enabling precise lifting and safe operation in confined spaces, and reducing the space occupation and operating costs of the equipment.

CN224147606UActive Publication Date: 2026-04-21DUCOO MACHINERY XIAMEN
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
DUCOO MACHINERY XIAMEN
Filing Date
2025-05-30
Publication Date
2026-04-21

AI Technical Summary

Technical Problem

When lifting heavy objects, existing lifting equipment tends to cause the objects to sway, and precise vertical height adjustment is not possible in confined spaces.

Method used

It adopts a rotating lifting boom, including a rotating device, column, cantilever, lifting device and hanging device. The cantilever directly drives the lifting of the object. Combined with 360° horizontal rotation and vertical lifting, it can achieve precise positioning in three-dimensional space. The stability is improved by electric hoist and reinforcing ribs.

Benefits of technology

It effectively reduces the swaying of heavy objects, improves hoisting safety and space utilization, adapts to narrow environments, and reduces labor intensity and operating costs.

✦ Generated by Eureka AI based on patent content.

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    Figure CN224147606U_ABST
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Abstract

The utility model relates to a rotary lifting suspension arm which comprises a rotary device, a stand column, a suspension arm, a lifting device and a hanging device. The stand column is vertically installed on the rotating device, the lifting device is installed on the stand column, the cantilever is horizontally installed on the lifting device, the lifting device is used for driving the cantilever to move in the vertical direction, and the hanging device is installed on the cantilever. Articles are directly driven to ascend and descend through the cantilevers, shaking of the articles in the ascending and descending process can be effectively reduced, and therefore safety in the lifting process is improved.
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Description

Technical Field

[0001] This utility model relates to the field of lifting equipment technology, and in particular to a rotary lifting boom. Background Technology

[0002] Traditional boom cranes rely on the tilting motion of the robotic arm to adjust the height during operation, which results in a large space requirement. Especially in confined environments with height restrictions, such as low-ceilinged indoor factories, train maintenance depots, and ship cabins, the tilting range of the robotic arm is limited, making it impossible to achieve precise vertical height adjustment, and sometimes even preventing operation due to insufficient space.

[0003] To this end, Chinese utility patent with publication number CN204958224U discloses a lifting cantilever crane that can vertically lift and lower the boom, thereby adjusting the boom's operating height. As a result, this lifting equipment can operate in confined spaces with height restrictions, both indoors and outdoors, and can quickly complete lifting operations, reducing labor intensity.

[0004] However, when the lifting jib crane of this scheme is performing lifting operations, it lifts the heavy objects by the chain of the electric hoist. When lifting the heavy objects, the heavy objects on the chain may sway, which may cause the heavy objects to hit people or other objects. Summary of the Invention

[0005] The purpose of this invention is to provide a rotary lifting boom to solve the problem that heavy objects tend to sway when lifted by existing lifting equipment.

[0006] To achieve the above objectives, this utility model discloses a rotating lifting boom, comprising: a rotating device, a column, a cantilever, a lifting device, and a hanging device; the column is vertically mounted on the rotating device, the lifting device is mounted on the column, the cantilever is horizontally mounted on the lifting device, the lifting device is used to drive the cantilever to move in the vertical direction, and the hanging device is mounted on the cantilever.

[0007] Preferably, the lifting device includes a slide rail, a slider, a connecting plate, and a power device. A plurality of the slide rails are vertically fixed on the column, the slider is slidably connected to the slide rail, the connecting plate is fixedly connected to the slider, the cantilever is fixedly installed on the connecting plate, and the power device is used to drive the cantilever to move along the slide rail.

[0008] Preferably, the power device is an electric hoist, the top of the column is provided with a mounting frame, the electric hoist is fixedly mounted on the mounting frame, and the hook of the electric hoist is mounted on the connecting plate.

[0009] Preferably, it also includes a reinforcing rib, one end of which is fixedly connected to the connecting plate and the other end of which is fixedly connected to the cantilever.

[0010] Preferably, the rotating device includes a base and a rotating seat, the rotating seat is fixedly installed on the base, the column is installed on the rotating seat, and the rotating seat can drive the column to rotate.

[0011] Preferably, the hanging device includes a sliding trolley and a hook, the cantilever is provided with a track along its length, the sliding trolley moves along the track, and the hook is installed on the sliding trolley.

[0012] Preferably, the track is arranged on both sides of the cantilever.

[0013] Preferably, the cantilever is a folding arm.

[0014] Preferably, the cantilever includes a primary arm and a secondary rotating arm, the primary arm being connected to the lifting device, and the secondary rotating arm being connected to the primary arm via a hinge.

[0015] Preferably, the hanging device is installed at the end of the secondary rotating arm away from the primary arm, and the hanging device is a hook.

[0016] This utility model has the following beneficial effects:

[0017] 1. This utility model directly lifts and lowers items by using a cantilever, which can effectively reduce the shaking of items during the lifting process, thereby improving the safety of the hoisting process.

[0018] 2. The rotating device enables 360° horizontal rotation, the lifting device can lift vertically, and the sliding trolley moves along the cantilever track. The combination of these three features allows the boom to be precisely positioned in three-dimensional space, resulting in a wide operating range and high flexibility.

[0019] 3. The folding arm can compress storage space and adapt to narrow environments; the modular design facilitates disassembly, transportation and maintenance, reducing usage costs. Attached Figure Description

[0020] Figure 1 This is a schematic diagram of the overall structure provided for a specific embodiment of the present utility model;

[0021] Figure 2 This is a partially enlarged schematic diagram of point A provided in a specific embodiment of the present utility model;

[0022] Figure 3 This is a side view of the overall structure provided in a specific embodiment of the present utility model;

[0023] Figure 4 This is a partially enlarged schematic diagram of point B provided in a specific embodiment of the present utility model;

[0024] Figure 5 This is a top view of the overall structure provided in a specific embodiment of the present utility model;

[0025] Figure 6 This is a schematic diagram of the overall structure provided for a specific embodiment two of the present utility model;

[0026] Figure 7 This is a side view of the overall structure provided in a specific embodiment two of the present utility model;

[0027] Figure 8 This is a top view of the overall structure provided in a specific embodiment two of this utility model.

[0028] Explanation of symbols for main components:

[0029] 100. Rotating device; 110. Base; 120. Rotating seat; 200. Column; 210. Mounting bracket; 300. Electric hoist; 310. Slide rail; 320. Slider; 330. Connecting plate; 400. Cantilever; 401. Primary arm; 402. Secondary rotating arm; 403. Hinge; 410. Trolley; 411. Hook; 500. Reinforcing rib. Detailed Implementation

[0030] To make the objectives, technical solutions, and advantages of this utility model clearer, the present utility model will be further described in detail below with reference to the accompanying drawings and embodiments.

[0031] Example 1

[0032] like Figures 1-5 This utility model provides a rotating lifting boom, including: a rotating device 100, a column 200, a cantilever 400, a lifting device, and a hanging device; the column 200 is vertically installed on the rotating device 100, the lifting device is installed on the column 200, the cantilever 400 is horizontally installed on the lifting device, the lifting device is used to drive the cantilever 400 to move in the vertical direction, and the hanging device is installed on the cantilever 400.

[0033] In this embodiment, the cantilever 400 directly drives the lifting and lowering of the items, effectively reducing swaying during the lifting process. Simultaneously, the height of the hanging device can be precisely controlled to adapt to working surfaces of varying heights.

[0034] The lifting device includes a slide rail 310, a slider 320, a connecting plate 330, and a power unit. The two slide rails 310 are vertically fixed on the column 200, and the slider 320 is slidably connected to the slide rail 310 to form a rigid guide structure, which only allows the cantilever 400 to move in the vertical direction and restricts the swaying in the horizontal direction. The connecting plate 330 is fixedly connected to the slider 320, and the cantilever 400 is fixedly installed on the connecting plate 330. The power unit is used to drive the cantilever 400 to move along the slide rail 310.

[0035] In this embodiment, two slide rails 310 are arranged side by side on the column 200, which can evenly distribute the weight of the cantilever 400 and the load, and avoid deformation of the slide rail 310 or jamming of the slider 320 caused by single-point force.

[0036] The power unit is an electric hoist 300. A mounting bracket 210, L-shaped, is installed on the top of the column 200 and is welded to the top of the column 200. The electric hoist 300 is fixedly mounted on the mounting bracket 210. A mounting hole for fixing a hook 411 is provided on the connecting plate 330. The hook 411 of the electric hoist 300 is mounted on the connecting plate 330 via the hook 411. The entire drive system has a vertical layout. Compared to a side-mounted motor combined with a rack and pinion drive, there is no need to reserve space for motor installation on the side of the column 200, making it particularly suitable for confined spaces. The electric hoist 300 is typically equipped with a handle switch or wireless remote control, supporting "jog" and "continuous operation" modes. Operators can control the lifting and lowering of the boom 400 from a safe distance, reducing the risk of manual operation. For example, when lifting fragile items, the jog mode allows for millimeter-level fine adjustments, preventing impact damage to the items.

[0037] One end of the reinforcing rib 500 is fixedly connected to the connecting plate 330, and the other end is fixedly connected to the cantilever 400. The reinforcing rib 500 forms a triangular support structure with the connecting plate 330 and the cantilever 400 by connecting the connecting plate 330. Utilizing the stability principle of triangles, it effectively disperses the bending stress and shear force generated by the cantilever 400 when bearing heavy objects, reducing the risk of deformation of the cantilever 400.

[0038] The rotating device 100 includes a base 110 and a rotating seat 120. The rotating seat 120 is fixedly mounted on the base 110, and the column 200 is mounted on the rotating seat 120. The rotating seat 120 can drive the column 200 to rotate. By rotating the column 200 through the rotating seat 120, the cantilever 400 can achieve 360° horizontal rotation, allowing the working range of the hanging device to cover a circular area centered on the column 200. The lifting or transporting direction can be flexibly adjusted without moving the base 110, significantly improving the space utilization and applicability of the device. The rotating seat 120 can adopt a bearing or slewing support structure, ensuring smooth and stable rotation. Furthermore, as an independent module, the rotating seat 120 can be quickly assembled with components such as the base 110 and the column 200, facilitating standardized production and subsequent maintenance of the equipment.

[0039] Preferably, the hanging device includes a sliding trolley 410 and a hook 411. The cantilever 400 is provided with a track along its length, with the track located on both sides of the cantilever 400. The track on both sides forms a "clamping" effect, restricting the lateral displacement of the sliding trolley 410. Even in the case of rapid movement or sudden stop, it can effectively prevent the trolley 410 from falling off the cantilever 400, thereby improving operational safety.

[0040] The sliding trolley 410 moves along the track, and the hook 411 is mounted on the sliding trolley 410. The sliding trolley 410 can move freely along the track of the cantilever 400, allowing the hook 411 to be adjusted in position within the full length of the cantilever 400 to accommodate the lifting needs of objects of different sizes and weights. There is no need for manual handling of heavy objects for position adjustment; the object can be quickly moved to any position on the cantilever 400 using the sliding trolley 410, reducing repeated lifting and manual intervention, and shortening operation time.

[0041] Example 2

[0042] like Figures 6-8 The difference between this embodiment and Embodiment 1 is that the cantilever 400 is a folding arm. The cantilever 400 includes a primary arm 401 and a secondary rotating arm 402. The primary arm 401 is connected to the lifting device, and the secondary rotating arm 402 is connected to the primary arm 401 via a hinge 403. In its folded state, the cantilever 400 is smaller, facilitating disassembly and transportation, and reducing space occupation and over-limit risks during transport. During installation, the folding structure also simplifies the on-site assembly process, making it particularly suitable for temporary work scenarios requiring frequent disassembly and assembly.

[0043] The hanging device is installed at the end of the secondary rotating arm 402 away from the primary arm 401, and the hanging device is a hook 411. The hook 411 is directly installed at the end of the secondary rotating arm 402, without the need for an additional transmission mechanism, making the structure simple and reliable. During maintenance, only the hinge 403 connection and the hook 411 itself need to be checked, reducing the number of failure points and improving equipment reliability.

[0044] The above description is only a preferred embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope disclosed in the present utility model should be included within the protection scope of the present utility model.

Claims

1. A rotary lift boom characterized by, include: A rotating device (100), a column (200), a cantilever (400), a lifting device, and a hanging device; the column (200) is vertically mounted on the rotating device (100), the lifting device is mounted on the column (200), the cantilever (400) is horizontally mounted on the lifting device, the lifting device is used to drive the cantilever (400) to move in the vertical direction, and the hanging device is mounted on the cantilever (400).

2. A rotating boom lift according to claim 1, wherein: The lifting device includes a slide rail (310), a slider (320), a connecting plate (330), and a power device. Several slide rails (310) are vertically fixed on the column (200). The slider (320) is slidably connected to the slide rail (310). The connecting plate (330) is fixedly connected to the slider (320). The cantilever (400) is fixedly installed on the connecting plate (330). The power device is used to drive the cantilever (400) to move along the slide rail (310).

3. A rotary lift boom as defined in claim 2, wherein: The power device is an electric hoist (300), and a mounting frame (210) is provided on the top of the column (200). The electric hoist (300) is fixedly installed on the mounting frame (210), and the hook (411) of the electric hoist (300) is installed on the connecting plate (330).

4. A rotating lifting boom according to claim 3, characterized in that: It also includes a reinforcing rib (500), one end of which is fixedly connected to the connecting plate (330) and the other end is fixedly connected to the cantilever (400).

5. A rotating boom lift according to any one of claims 1-4, characterized in that: The rotating device (100) includes a base (110) and a rotating seat (120). The rotating seat (120) is fixedly installed on the base (110), and the column (200) is installed on the rotating seat (120). The rotating seat (120) can drive the column (200) to rotate.

6. A rotary lift boom as claimed in claim 5 wherein: The hanging device includes a sliding trolley (410) and a hook (411). The cantilever (400) is provided with a track along its length. The sliding trolley (410) moves along the track, and the hook (411) is installed on the sliding trolley (410).

7. A rotary lift boom as claimed in claim 6 wherein: The track is set on both sides of the cantilever (400).

8. A rotary lift boom as claimed in claim 5 wherein: The cantilever (400) is a folding arm.

9. A rotating lift jib according to claim 8, wherein: The cantilever (400) includes a primary arm (401) and a secondary rotating arm (402). The primary arm (401) is connected to the lifting device, and the secondary rotating arm (402) is connected to the primary arm (401) via a hinge (403).

10. A rotary lift boom as claimed in claim 9, wherein: The hanging device is installed at the end of the secondary rotating arm (402) away from the primary arm (401), and the hanging device is a hook (411).

Citation Information

Patent Citations

  • Lift cantilever crane

    CN204958224U