Stable lifting device

By installing the single-arm hoist on a mobile rack with mobile position adjustment function and setting a folding support device, the problem of poor stability of the single-arm hoist is solved, safety and stability are improved, and safe and reliable material transportation is achieved.

CN222989602UActive Publication Date: 2025-06-17SHAANXI HENGWANG ZHONGXIN METAL CO LTD
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Patent Information

Application Number
CN202422296120.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-09-20
Publication Date
2025-06-17
Estimated Expiration
2034-09-20

AI Technical Summary

Technical Problem

The existing single-arm hoists have poor stability during material transportation, which poses a risk of tilting, threatens the safety of surrounding staff and is inconvenient to move.

Method used

The single-arm hoist is installed on a mobile rack with a moving position adjustment function and equipped with a counterweight, and a folding support device is provided on the premise that the diagonal support supports the single-arm hoist. By controlling the folding support device, it is expanded or folded and stored to improve stability and safety.

Benefits of technology

It greatly improves the safety and stability of the use process of single-arm hoist, reduces safety risks, and has a simple structure, novel design, high safety and reliability, low cost, and has high usage value.

✦ Generated by Eureka AI based on patent content.

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Abstract

The stable lifting device comprises a movable frame and a single-arm lifting machine, a rack at the lower end of the single-arm lifting machine is fixed to the movable frame, an inclined strut is arranged on the side, opposite to the rack of the single-arm lifting machine, of the movable frame, the upper end of the inclined strut is connected with a supporting column of the single-arm lifting machine, and folding supporting devices are arranged on the front side and the rear side of the movable frame correspondingly. And the folding type supporting device is controlled to stably support the moving frame in an unfolding and ground supporting state or to store on the moving frame in a folding state. According to the utility model, the single-arm hoister is arranged on the movable frame which has a movable position adjusting function and is provided with the balancing weight, and the folding supporting device is arranged on the premise that the single-arm hoister is supported by the inclined strut, so that the problems of poor stability and potential safety hazards when the single-arm hoister is independently used are solved; the safety of the single-arm elevator in the using process is greatly improved, the safety is reduced, and the single-arm elevator is simple in structure, novel in design, high in safety and reliability, low in cost and high in using value.
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Description

Technical Field

[0001] The utility model belongs to the technical field of lifting equipment, and particularly relates to a stable lifting device. Background Art

[0002] During the process of transporting materials by the existing hoist, due to the small size of the hoist's own base and limited height, during use, the balance is poor, and there is a risk that the hoist will tilt due to the heavy materials after the materials are lifted to a certain height, which seriously threatens the safety of the surrounding staff and causes losses. Moreover, the current single-arm hoist is inconvenient to move during use. Therefore, in order to solve the above problems, it is necessary to make improvements. Content of the Utility Model

[0003] The technical problem solved by the utility model: Provide a stable lifting device, install the single-arm hoist on a movable frame with a movable adjustment function and provided with a counterweight block, and set a folding support device on the premise that the inclined strut supports the single-arm hoist, which solves the problem of poor stability and potential safety hazards when the single-arm hoist is used alone, greatly improves the safety during the use of the single-arm hoist, reduces the risk, has a simple structure, novel design, high safety and reliability, low cost, and has high use value.

[0004] The technical solution adopted by the utility model: A stable lifting device, including a movable frame and a single-arm hoist. The lower end frame of the single-arm hoist is fixed on the movable frame. An inclined strut is provided on the opposite side of the movable frame from the frame of the single-arm hoist, and the upper end of the inclined strut is connected to the support column of the single-arm hoist. Folding support devices are provided on both the front and rear sides of the movable frame, and by controlling the folding support devices, the movable frame can be stably supported in the state of being unfolded and propped on the ground or stored on the movable frame in the folded state. A counterweight is provided inside the movable frame.

[0005] Among them, the folding support device includes two symmetrically arranged support rods. Ear plates are fixed on both the left and right sides of the upper end surface of the movable frame, and one end of the support rod is hinged to the ear plate, and the position of the support rod is adjusted between the storage position on the upper end surface of the movable frame and the support position where the other end of the support rod abuts against the ground by rotating the support rod.

[0006] Further, the length of the support rod is greater than the height of the movable frame.

[0007] Further, the other end of the support rod is inserted into a ring bolt fixed on the ground through a pin.

[0008] Further, guide rails are fixed on both the front and rear sides of the upper end face of the moving frame and are located inside the folding support device. The sliders fixed on both the front and rear sides of the bottom face of the single-arm hoist frame are adaptively connected to the corresponding side guide rails. A plurality of positioning blocks are provided on both the left and right sides of the single-arm hoist, which are respectively adaptively connected to the guide rails on the front and rear sides of the moving frame and are located outside the single-arm hoist frame. Bolts threadedly connected to the positioning blocks and pressing against the guide rails fix the positioning blocks in contact with the corresponding side of the single-arm hoist frame to the guide rails to fix the position of the single-arm hoist.

[0009] Further, the diagonal brace is a telescopic rod. The upper end of the diagonal brace is hinged to the support column of the single-arm hoist, and the lower end of the diagonal brace is hinged to the corresponding position on the upper end face of the moving frame.

[0010] Further, a directional wheel and a universal wheel are respectively provided at the left and right corner positions of the bottom face of the moving frame.

[0011] Further, handgrips for facilitating the pushing of the moving frame are provided on both the front and rear sides of the moving frame frame.

[0012] Advantages of the present utility model compared with the prior art:

[0013] 1. In this technical solution, the single-arm hoist is installed on a moving frame with a moving adjustment function and provided with a counterweight block. A diagonal brace connected to the moving frame is provided on the weak support side of the single-arm hoist, improving the use stability of the single-arm hoist.

[0014] 2. On the premise that the diagonal brace supports the single-arm hoist, a folding support device that can be folded for storage or unfolded for support is provided, solving the problem of poor stability and potential safety hazards when the single-arm hoist is used alone, greatly improving the safety during the use of the single-arm hoist and reducing the risk.

[0015] 3. In this technical solution, guide rails adapted to the sliders fixed to the bottom face of the single-arm hoist are provided on the upper end face of the moving frame, and a plurality of positioning blocks adapted to the guide rails are used to position the single-arm hoist in place, providing conditions for the small-distance position adjustment of the single-arm hoist without the need to move the entire device.

[0016] 4. This technical solution has a simple structure, novel design, high safety and reliability, low cost, and high use value. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic structural diagram of the present utility model. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0018] The following will combine with the embodiments of the present utility model Figure 1, the technical solutions in the embodiments of the present utility model are clearly and completely described. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0019] It should be noted that in this article, unless otherwise stated, it should be understood that: the orientation or positional relationship indicated by the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings. It is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation to the present invention. In addition, the terms "first", "second", "third", etc. are only used for descriptive purposes and cannot be understood as indicating or implying relative importance.

[0020] In this article, the term "comprising", "including" or any other variant thereof is intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements not only includes those elements, but also includes other elements not explicitly listed, or further includes elements inherent to such process, method, article or device. Without further limitation. The element defined by the statement "including one..." does not exclude the existence of additional identical elements in the process, method, article or device including the said element.

[0021] A stable lifting device, such as Figure 1 As shown, it includes a moving frame 1 and a single-arm hoist 2. The lower end of the frame of the single-arm hoist 2 is fixed on the moving frame 1. An inclined strut 3 is provided on the side of the moving frame 1 opposite to the frame of the single-arm hoist 2, and the upper end of the inclined strut 3 is connected to the support column of the single-arm hoist 2. Folding support devices are provided on both the front and rear sides of the moving frame 1, and by controlling the folding support devices, the moving frame 1 can be stably supported in the unfolded state on the ground or stored on the moving frame 1 in the folded state; in the above results, the single-arm hoist 2 is installed on the moving frame 1 with a moving adjustment function and provided with a counterweight, and an inclined strut 3 connected to the moving frame 1 is provided on the weak support side of the single-arm hoist 2, improving the use stability of the single-arm hoist 2; on the premise that the inclined strut 3 supports the single-arm hoist 2, a folding support device that can be folded and stored or unfolded and supported is provided, solving the problem of poor stability and potential safety hazards when the single-arm hoist 2 is used alone, greatly improving the safety and stability of the single-arm hoist 2 during use, and reducing the safety risk.

[0022] The specific structure of the folding support device is as follows: The folding support device includes two symmetrically arranged support rods 4. On the left and right sides of the upper end surface of the moving frame 1, ear plates 5 are fixed. One end of the support rod 4 is hinged to the ear plate 5, and by rotating the support rod 4, the adjustment of the storage position of the support rod 4 on the upper end surface of the moving frame 1 and the support position where the other end of the support rod 4 abuts against the ground is realized. Specifically, the length of the support rod 4 is greater than the height of the moving frame 1. Specifically, the other end of the support rod 4 is inserted into a ring bolt fixed on the ground through a pin.

[0023] In order to realize the small-distance position adjustment of the single-arm hoist 2, the installation structure of the single-arm hoist 2 on the moving frame 1 is designed as an adjustable installation structure. On the front and rear sides of the upper end surface of the moving frame 1, guide rails 6 located inside the folding support device are fixed. The sliders fixed on the front and rear sides of the bottom surface of the single-arm hoist 2 are adaptively connected to the corresponding side guide rails 6. On the left and right sides of the single-arm hoist 2, a plurality of positioning blocks 7 are respectively arranged, which are adaptively connected to the front and rear side guide rails 6 of the moving frame 1 and located outside the frame of the single-arm hoist 2. The bolts threaded on the positioning blocks 7 and abutting against the guide rails 6 fix the positioning blocks 7 in contact with the corresponding side of the frame of the single-arm hoist 2 on the guide rails 6 to realize the fixation of the position of the single-arm hoist 2. Specifically, the diagonal brace 3 is a telescopic rod. The upper end of the diagonal brace 3 is hinged to the support column of the single-arm hoist 2, and the lower end of the diagonal brace 3 is hinged to the corresponding position on the upper end surface of the moving frame 1. In the above structure, by providing guide rails on the upper end surface of the moving frame 1 that are adapted to the sliders fixed to the bottom surface of the single-arm hoist 2, and positioning the single-arm hoist 2 in place by a plurality of positioning blocks 7 adapted to the guide rails 6, conditions are provided for the small-distance position adjustment of the single-arm hoist 2.

[0024] Directional wheels and universal wheels are respectively arranged at the left and right corner positions of the bottom surface of the moving frame 1, so as to facilitate the displacement of the moving frame 1.

[0025] In order to facilitate the adjustment of the position of the moving frame 1, handle rods 9 for facilitating the pushing of the moving frame 1 are provided on the front and rear sides of the frame of the moving frame 1.

[0026] The technical solution has a simple structure, novel design, high safety and reliability, low cost, and high use value.

[0027] For those skilled in the art, it is obvious that the present utility model is not limited to the details of the above exemplary embodiments, and the present utility model can be implemented in other specific forms without departing from the spirit or basic characteristics of the present utility model. Therefore, from any point of view, the embodiments should be regarded as exemplary and non-limiting. The scope of the present utility model is defined by the appended claims rather than the above description. Therefore, all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be embraced within the present utility model. Any reference signs in the claims should not be construed as limiting the claims involved.

[0028] In addition, it should be understood that although this specification is described according to embodiments, not every embodiment only contains an independent technical solution. This narrative way of the specification is only for clarity. Those skilled in the art should regard the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.

Claims

1. Stable lifting device, characterized by: The invention comprises a mobile frame (1) and a single-arm hoist (2), wherein the lower end frame of the single-arm hoist (2) is fixed on the mobile frame (1), an oblique support (3) is provided on the mobile frame (1) on the side opposite to the frame of the single-arm hoist (2), and the upper end of the oblique support (3) is connected to the support column of the single-arm hoist (2), and the front and rear sides of the mobile frame (1) are both provided with foldable support devices, and the foldable support devices are controlled to stably support the mobile frame (1) in an unfolded state or to be stored on the mobile frame (1) in a folded state, and a counterweight (8) is provided inside the mobile frame (1).

2. The stable lifting device according to claim 1, characterized in that: The foldable support device comprises two symmetrically arranged support rods (4), ear plates (5) are fixed on both left and right sides of the upper end surface of the mobile frame (1), and one end of the support rod (4) is hinged to the ear plate (5), and the storage position of the support rod (4) located on the upper end surface of the mobile frame (1) and the support position of the other end of the support rod (4) against the ground can be adjusted by rotating the support rod (4).

3. The stable lifting device according to claim 2, characterized in that: The length of the support rod (4) is greater than the height of the moving frame (1).

4. The stable lifting device according to claim 3, characterized in that: The other end of the support rod (4) is plugged into a lifting eye bolt fixed on the ground via a latch.

5. The stable lifting device according to claim 1, characterized in that: The upper end face of the movable frame (1) is fixed with guide rails (6) located inside the foldable support device on both the front and rear sides, and the sliders fixed to the bottom face of the frame of the single-arm hoist (2) are adapted to be connected with the corresponding side guide rails (6). The left and right sides of the single-arm hoist (2) are provided with a plurality of positioning blocks (7) respectively adapted to be connected with the front and rear side guide rails (6) of the movable frame (1) and located outside the frame of the single-arm hoist (2). Bolts threadedly connected to the positioning blocks (7) and pressed against the guide rails (6) fix the positioning blocks (7) in contact with the corresponding side of the frame of the single-arm hoist (2) on the guide rails (6) to fix the position of the single-arm hoist (2).

6. The stable lifting device according to claim 5, characterized in that: The diagonal brace (3) is a telescopic rod, the upper end of the diagonal brace (3) is hinged to the support column of the single-arm hoist (2), and the lower end of the diagonal brace (3) is hinged to the corresponding position of the upper end surface of the mobile frame (1).

7. The stable lifting device according to any one of claims 1 to 6, characterized in that: The left and right corners of the bottom surface of the movable frame (1) are respectively provided with directional wheels and universal wheels.

8. The stable lifting device according to claim 7, characterized in that: The front and rear sides of the frame of the movable frame (1) are both provided with hand grips (9) for facilitating pushing the movable frame (1).