Hoisting device

Abstract

The utility model discloses a hoisting device which comprises a balance rod, a ring buckle and a rotating mechanism arranged between the balance rod and the ring buckle, and the ring buckle is rotatably arranged on the balance rod through the rotating mechanism. The hoisting device disclosed by the utility model has the advantages of simple and reliable structure and good safety.

Description

Technical Field

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

[0002] During cargo hoisting or transfer, most hoisting operations utilize lifting balance bars for convenience and efficiency. When the lifting balance bar is connected to the hoisting equipment, friction can easily occur between the hoisting equipment and the ring due to the weight of the cargo and under gravity or other external influences during hoisting. Most rings are made of carbon steel or cast iron, integrally formed and welded into a closed ring; the welded area is a weak point.

[0003] Since the rings on the lifting balance bar are usually fixed (e.g., Chinese patent documents with publication numbers CN215208041U and CN214217874U), during a large number of lifting operations, the lifting balance bar is raised and lowered more frequently, which can cause the rings to fatigue and become brittle, resulting in the rings breaking at the weld joints and poor safety. Utility Model Content

[0004] The technical problem to be solved by this utility model is to overcome the shortcomings of the existing technology and provide a hoisting device with simple structure, reliability and good safety.

[0005] To solve the above-mentioned technical problems, the present invention adopts the following technical solution:

[0006] A hoisting device includes a balance bar, a ring buckle, and a rotating mechanism disposed between the balance bar and the ring buckle, wherein the ring buckle is rotatably mounted on the balance bar via the rotating mechanism.

[0007] As a further improvement to the above technical solution: the rotating mechanism includes a pair of meshing gears, one gear being connected to a balance bar and the other gear being connected to a ring buckle.

[0008] As a further improvement to the above technical solution: the rotating mechanism further includes an upper connecting plate and a lower connecting plate, the gears are respectively disposed on the upper connecting plate and the lower connecting plate, and the upper connecting plate and the lower connecting plate are movably connected.

[0009] As a further improvement to the above technical solution: the upper connecting plate and the lower connecting plate are connected by a movable connector.

[0010] As a further improvement to the above technical solution: a vertical gap is provided between the two gears, the ring buckle is connected to the lower connecting plate, and the balance bar is connected to the upper connecting plate.

[0011] As a further improvement to the above technical solution, the rotating mechanism further includes a limiting member, which is used to limit the rotation range of the gear.

[0012] As a further improvement to the above technical solution: the limiting member is provided on the upper connecting plate or the lower connecting plate, and when the two gears mesh, the limiting member is engaged in the tooth groove of the gear.

[0013] As a further improvement to the above technical solution: the balance bar includes an upper bar body and a lower bar body, the upper bar body is connected to a rotating mechanism, and the lower bar body is detachably connected to the upper bar body.

[0014] As a further improvement to the above technical solution: a hook is provided on the lower rod.

[0015] As a further improvement to the above technical solution: the upper rod body and the lower rod body are threaded together.

[0016] Compared with the prior art, the advantages of this utility model are:

[0017] The hoisting device of this utility model is rotatably mounted on the balance bar by means of a ring, which reduces the friction between the hoisting equipment and the ring. It has a simple and reliable structure and good safety.

[0018] The lifting device of this utility model is not under any force when the goods are not suspended. There is a vertical gap between the two gears. At this time, the two gears are separated, and the balance bar and the ring cannot rotate relative to each other, which improves safety. When the goods are suspended, the ring is pulled upward by the lifting equipment, which causes the lower connecting plate to move up, and the balance bar is pulled downward by the goods, which causes the upper connecting plate to move down. This allows the two gears to mesh, and the balance bar and the ring can rotate relative to each other.

[0019] The hoisting device of this utility model limits the rotation range of the gears by limiting the limiting component, which can prevent the cargo from swinging too much and causing unstable hoisting.

[0020] The lifting device of this utility model, through the split design of the balance bar, allows the weighing suspension point to be set on the lower bar during weighing, reducing the impact of the weight of the lifting equipment on the weighing result and facilitating the weighing of goods. Attached Figure Description

[0021] Figure 1 This is a structural schematic diagram of the hoisting device of this utility model.

[0022] Figure 2 This is a structural schematic diagram of the upper rod and its associated components in the hoisting device of this utility model.

[0023] Figure 3 This is a structural schematic diagram of the rotating mechanism and its related components in the hoisting device of this utility model.

[0024] The labels in the diagram represent: 1. Balance bar; 11. Upper bar; 12. Lower bar; 2. Ring; 3. Rotating mechanism; 31. Upper connecting plate; 32. Lower connecting plate; 33. Gear; 34. Vertical clearance; 35. Limiting component; 36. Movable connecting component; 4. Hook; 5. Bolt. Detailed Implementation

[0025] The present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments.

[0026] In the description of this utility model, it should be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They 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. Therefore, they should not be construed as limitations on this utility model.

[0027] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of this utility model, "a plurality of" means two or more, unless otherwise explicitly specified.

[0028] In this utility model, unless otherwise explicitly specified and limited, the terms "assembly," "connection," "joining," and "fixing" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0029] like Figures 1 to 3 As shown, the hoisting device of this embodiment includes a balance bar 1, a ring buckle 2, and a rotating mechanism 3 disposed between the balance bar 1 and the ring buckle 2. The ring buckle 2 is rotatably mounted on the balance bar 1 through the rotating mechanism 3.

[0030] In this embodiment of the lifting device, during lifting, the goods are suspended on the balance bar 1, and the lifting equipment hooks onto the ring 2 to lift the goods. When subjected to gravity or other external influences, the goods and the balance bar 1 can rotate relative to the ring 2, thereby reducing friction between the lifting equipment and the ring 2. The lifting device of this embodiment, by rotatably mounting the ring 2 on the balance bar 1, reduces friction between the lifting equipment and the ring 2, lowers the risk of ring 2 breakage, and features a simple, reliable, and safe structure.

[0031] Furthermore, in this embodiment, the rotating mechanism 3 includes a pair of meshing gears 33, one gear 33 being connected to the balance bar 1 and the other gear 33 being connected to the ring buckle 2. Through the meshing of the two gears 33, the balance bar 1 and the ring buckle 2 can rotate relative to each other, resulting in smooth and reliable transmission.

[0032] Furthermore, in this embodiment, the rotating mechanism 3 also includes an upper connecting plate 31 and a lower connecting plate 32, with gears 33 respectively disposed on the upper connecting plate 31 and the lower connecting plate 32, and the upper connecting plate 31 and the lower connecting plate 32 being movably connected. The movably connected upper connecting plate 31 and lower connecting plate 32 can provide support and load-bearing when the balance bar 1 and the ring buckle 2 rotate relative to each other, resulting in better stability. The movable connection between the upper connecting plate 31 and the lower connecting plate 32 means that the upper connecting plate 31 and the lower connecting plate 32 have a horizontal degree of freedom; when the gear 33 rotates, the upper connecting plate 31 and the lower connecting plate 32 can rotate together, resulting in good stability.

[0033] Furthermore, in this embodiment, the upper connecting plate 31 and the lower connecting plate 32 are connected by a movable connector 36. The movable connector 36 can be an elastic element or an existing movable connection mechanism.

[0034] Furthermore, in this embodiment, a vertical gap 34 is provided between the two gears 33, the ring buckle 2 is connected to the lower connecting plate 32, and the balance bar 1 is connected to the upper connecting plate 31. When the goods are not suspended, the lifting device is not under force. With the vertical gap 34 between the two gears 33, the two gears 33 are separated, and the balance bar 1 and the ring buckle 2 cannot rotate relative to each other, thus improving safety. When the goods are suspended, the ring buckle 2 is pulled upward by the lifting equipment, causing the lower connecting plate 32 to move upward, and the balance bar 1 is pulled downward by the goods, causing the upper connecting plate 31 to move downward, thereby enabling the two gears 33 to mesh and allowing the balance bar 1 and the ring buckle 2 to rotate relative to each other.

[0035] Furthermore, in this embodiment, the rotating mechanism 3 also includes a limiting member 35, which is used to limit the rotation range of the gear 33. By limiting the rotation range of the gear 33 by the limiting member 35, specifically, the gear 33 can rotate by 1-3 teeth, which can prevent the cargo from swinging too much and causing unstable hoisting.

[0036] Furthermore, in this embodiment, the limiting member 35 is disposed on the upper connecting plate 31 or the lower connecting plate 32. When the two gears 33 mesh, the limiting member 35 engages in the tooth groove of the gear 33. The limiting member 35 engages in the tooth groove of the gear 33 to achieve the limiting, and the limiting is reliable.

[0037] Furthermore, in this embodiment, the balance bar 1 includes an upper bar body 11 and a lower bar body 12. The upper bar body 11 is connected to the rotating mechanism 3, and the lower bar body 12 is detachably connected to the upper bar body 11. Through the split design of the balance bar 1, the weighing suspension point can be set on the lower bar body 12 during weighing, reducing the impact of the weight of the lifting equipment on the weighing result and facilitating the weighing of goods.

[0038] Furthermore, in this embodiment, a hook 4 is provided on the lower rod 12. During hoisting, the goods are suspended on the hook 13, which is simple and reliable in structure.

[0039] Furthermore, in this embodiment, the upper rod 11 and the lower rod 12 are threaded together. Specifically, the upper rod 11 is connected to the lower rod 12 by bolts 5, resulting in a simple and reliable structure.

[0040] The above description is merely a preferred embodiment of the present utility model and is not intended to limit the present utility model in any way. Although the present utility model has been disclosed above with reference to preferred embodiments, it is not intended to limit the present utility model. Any person skilled in the art can make many possible variations and modifications to the technical solution of the present utility model using the methods and techniques disclosed above, or modify it into equivalent embodiments with equivalent changes, without departing from the spirit and technical solution of the present utility model. Therefore, any simple modifications, equivalent substitutions, equivalent changes and modifications made to the above embodiments based on the technical essence of the present utility model without departing from the content of the technical solution of the present utility model shall still fall within the protection scope of the technical solution of the present utility model.

Claims

1. A hoisting device, characterized in that: It includes a balance bar (1), a ring (2) and a rotating mechanism (3) disposed between the balance bar (1) and the ring (2), wherein the ring (2) is rotatably disposed on the balance bar (1) through the rotating mechanism (3); The rotating mechanism (3) includes a pair of meshing gears (33), one of which is connected to the balance bar (1) and the other is connected to the ring (2); The rotating mechanism (3) further includes an upper connecting plate (31) and a lower connecting plate (32), and the gear (33) is respectively disposed on the upper connecting plate (31) and the lower connecting plate (32). The upper connecting plate (31) and the lower connecting plate (32) are movably connected. The upper connecting plate (31) and the lower connecting plate (32) are connected by a movable connector (36).

2. The hoisting device according to claim 1, characterized in that: A vertical gap (34) is provided between the two gears (33), the ring buckle (2) is connected to the lower connecting plate (32), and the balance bar (1) is connected to the upper connecting plate (31).

3. The hoisting device according to claim 1, characterized in that: The rotating mechanism (3) also includes a limiting member (35) for limiting the rotation range of the gear (33).

4. The hoisting device according to claim 3, characterized in that: The limiting member (35) is provided on the upper connecting plate (31) or the lower connecting plate (32). When the two gears (33) mesh, the limiting member (35) is inserted into the tooth groove of the gear (33).

5. The hoisting device according to any one of claims 1 to 4, characterized in that: The balance bar (1) includes an upper bar body (11) and a lower bar body (12). The upper bar body (11) is connected to the rotating mechanism (3), and the lower bar body (12) is detachably connected to the upper bar body (11).

6. The hoisting device according to claim 5, characterized in that: The lower rod (12) is provided with a hook (4).

7. The hoisting device according to claim 5, characterized in that: The upper rod (11) and the lower rod (12) are threaded together.

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