A foldable tree-hanging crane

By designing a foldable tree-hanging crane, utilizing a rotatable connecting rod and a quick-assembly/disassembly structure, the problems of cumbersome assembly and disassembly and large size of existing lifting devices are solved, achieving the effects of quick assembly and disassembly and portability.

CN224450109UActive Publication Date: 2026-07-03NINGBO JINYAN TECHNOLOGY CO LTD

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
NINGBO JINYAN TECHNOLOGY CO LTD
Filing Date
2025-09-09
Publication Date
2026-07-03

AI Technical Summary

Technical Problem

Existing lifting devices are cumbersome to assemble and disassemble in outdoor hunting scenarios, require a lot of physical effort, and are bulky and inconvenient to carry.

Method used

A foldable tree-hanging crane was designed, including a crane body, a quick-assembly and disassembly structure and a hanging frame. It utilizes a rotatable connecting rod and a fixing device, combined with a winch, fixed pulley and movable pulley, to achieve quick assembly, disassembly and folding.

Benefits of technology

It simplifies the assembly and disassembly process, saves physical effort, improves work efficiency, and is easy to fold and carry, meeting the convenience needs of outdoor hunting.

✦ Generated by Eureka AI based on patent content.

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Abstract

This utility model discloses a foldable tree-hanging crane, including a crane body, a quick-assembly and disassembly structure, and a hanging frame. The crane in this utility model features a quick-assembly and disassembly structure, reducing assembly and disassembly steps, allowing users to easily assemble and disassemble the crane, saving user effort and greatly improving work efficiency. Furthermore, the crane is easily foldable, making it convenient to store and carry, thus improving its ease of use.
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Description

Technical Field

[0001] This utility model relates to the field of mechanical lifting technology, and in particular to a foldable tree-hanging crane. Background Technology

[0002] With the increasing popularity of shooting sports, more and more enthusiasts are participating in hunting activities. However, some of the prey captured during the hunt are large and heavy, making it difficult to load them onto vehicles smoothly using traditional manual methods, requiring the assistance of lifting equipment.

[0003] However, the existing lifting devices are complicated to assemble and disassemble, require professional tools, and consume a lot of time and energy, making it difficult to meet the needs of rapid use in outdoor hunting scenarios. In addition, they are bulky and inconvenient to carry outdoors. Utility Model Content

[0004] The purpose of this invention is to provide a foldable tree-hanging crane to solve the problems mentioned in the background art.

[0005] To solve the above-mentioned technical problems, the technical solution adopted by this utility model is as follows:

[0006] A foldable tree-hanging crane includes a crane body, a quick-assembly structure, and a hanging frame. The crane body includes a first connecting rod, a second connecting rod, and a winch. The first connecting rod is rotatably connected to the second connecting rod, and a fixing device is provided at the connection between the first and second connecting rods. A winch with a wire rope wound on the first connecting rod is provided, and a first hook is connected to the end of the wire rope away from the winch. A first fixed pulley and a second fixed pulley are provided on the second connecting rod. The wire rope passes over the second fixed pulley and is connected to a movable pulley. A second hook is provided on the movable pulley. The hanging frame can selectively connect to either the first hook or the second hook. The quick-assembly structure is connected to the first connecting rod.

[0007] Furthermore, the first connecting rod includes a vertical rod and a first inclined rod, and the second connecting rod includes a second inclined rod and a horizontal rod, wherein the first inclined rod and the second inclined rod are rotatably connected.

[0008] Furthermore, one end of the fixing device is fixedly connected to the first tilting rod, and the other end of the fixing device is connected to the second tilting rod through a pin.

[0009] Furthermore, a fixing bracket is installed at the end of the second connecting rod away from the first connecting rod.

[0010] Furthermore, the bottom end of the fixing frame is provided with a groove that is compatible with the hanging bracket.

[0011] Furthermore, a hanging ring is provided at the bottom of the second connecting rod.

[0012] Furthermore, an arc-shaped plate is provided at the bottom of the first connecting rod, and the arc edge of the arc-shaped plate is provided with anti-slip texture.

[0013] Furthermore, the quick-release structure is a tightening strap, and the tightening strap is provided with an adjusting buckle.

[0014] Beneficial effects:

[0015] The crane in this invention features a quick-assembly and disassembly structure, reducing the number of steps required and allowing users to easily assemble and disassemble the crane, saving them physical effort and significantly improving work efficiency. Furthermore, the crane is easily foldable, making it convenient to store and carry, thus enhancing its usability. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0017] Figure 2 This is a folded view of the present invention;

[0018] Figure 3 This is a diagram showing the state of the movable pulley mode of this utility model;

[0019] Figure 4 This is a diagram showing the fixed pulley mode of this utility model.

[0020] The following are the labels in the diagram: 1. First connecting rod; 2. Second connecting rod; 3. Tightening belt; 4. Adjusting lock; 5. Winch; 6. Steel wire rope; 7. Fixing device; 8. First fixed pulley; 9. Second fixed pulley; 10. Movable pulley; 11. First hook; 12. Second hook; 13. Hanging frame; 14. Fixing frame; 15. Groove; 16. Curved plate. Detailed Implementation

[0021] In the description of this embodiment, it should be noted that the terms "upper," "lower," etc., indicating the orientation or positional relationship are based on the orientation or positional relationship shown in the accompanying drawings, or the orientation or positional relationship commonly used when the utility model product is in use. They are only for the convenience of describing the 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 the utility model. Similarly, 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 indicated technical features. Thus, a feature defined with "first" and "second" may explicitly or implicitly include one or more of that feature. In addition, unless otherwise explicitly specified and limited, the terms "installation," "connection," etc., should be interpreted broadly. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a direct connection, an indirect connection through an intermediate medium, or a connection within two components. For those skilled in the art, the specific meaning of the above terms in this utility model can be understood according to the specific circumstances.

[0022] In addition, unless otherwise specified, the components used in the following embodiments are all existing components, and their corresponding connection methods can also be achieved through conventional technical means, which will not be described in detail in this application. The present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments.

[0023] Example

[0024] This embodiment provides a foldable tree-hanging crane, such as... Figure 1 and Figure 2 As shown, the crane includes a main body, a quick-assembly and disassembly structure, and a bracket 13. The main body includes a first connecting rod 1, a second connecting rod 2, and a winch 5. The first connecting rod 1 is rotatably connected to the second connecting rod 2, and a fixing device 7 is provided at the connection between the first connecting rod 1 and the second connecting rod 2. The first connecting rod 1 is provided with a winch 5 on which a steel wire rope 6 is wound. The end of the steel wire rope 6 away from the winch 5 is connected to a first hook 11. The second connecting rod 2 is provided with a first fixed pulley 8 and a second fixed pulley 9. The steel wire rope 6 passes around the second fixed pulley 9 and is connected to a movable pulley 10. The movable pulley 10 is provided with a second hook 12. The bracket 13 can be selectively connected to either the first hook 11 or the second hook 12. The quick-assembly and disassembly structure is connected to the first connecting rod 1.

[0025] Specifically, the crane structure in this embodiment is simple, including a crane body for lifting items, a quick-assembly and disassembly structure that can be connected to a tree trunk, and a hanging frame 13 connected to the crane for hanging items. The crane is connected to the main frame via a first connecting rod 1 and a second connecting rod 2. The first connecting rod 1 includes a vertical rod and a first inclined rod, and the second connecting rod 2 includes a second inclined rod and a horizontal rod. The first and second inclined rods are rotatably connected to form a straight line. A fixing device 7 is installed outside the connection point of the first and second inclined rods. The fixing device 7 can fix the positions of the first and second inclined rods, preventing them from moving. Removing the fixing device 7 allows the first inclined rod to rotate downwards, thus allowing the first connecting rod 1 to fold with the second connecting rod 2 for easy storage and carrying. A winch 5 is installed on the vertical rod of the first connecting rod 1, and a first fixed pulley 8 and a second fixed pulley 9 are installed on the horizontal rod of the second connecting rod 2. The first fixed pulley 8 is close to the second inclined rod, and the second fixed pulley 9 is located at the end of the horizontal rod away from the second inclined rod. The wire rope 6 wound in the winch 5 first changes direction by passing over the first fixed pulley 8, then passes over the second fixed pulley 9 so that its direction is downward. The end of the wire rope 6 is connected to the first hook 11, which can be connected to the hanger 13. After the wire rope 6 passes over the second fixed pulley 9, a sliding pulley 10 is connected to it. The hanger 13 can also be connected to the sliding pulley 10. The hanger 13 can be used to hang hunted game or goods that need to be lifted. Furthermore, because a quick-release mechanism is installed on the vertical rod of the first connecting rod 1, the first connecting rod 1 can be tied to the tree trunk through the quick-release mechanism, with the vertical rod almost parallel to the tree trunk.

[0026] Preferably, one end of the fixing device 7 is fixedly connected to the first inclined rod, and the other end of the fixing device 7 is connected to the second inclined rod via a pin. Specifically, the fixing device 7 is provided with pin holes, including ordinary pins and R-type pins. Corresponding pin holes are also provided at the connection point of the first connecting rod 1 and the second connecting rod 2, i.e., at the connecting end of the second inclined rod. The pins are inserted into the pin holes on the fixing device 7 and the second connecting rod 2, thus fixing the fixing device 7 in place. Because the fixing device 7 covers the ends of the first connecting rod 1 and the second connecting rod 2, the first connecting rod 1 and the second connecting rod 2 are aligned in a straight line, completing the installation of the crane. Removing the pin separates the fixing device 7 from the upper part of the second inclined rod, but the lower part remains connected via a rotating shaft, allowing the first connecting rod 1 to rotate downwards around the shaft and fold.

[0027] Preferably, a downward-facing fixing frame 14 is installed at the end of the second connecting rod 2 away from the first connecting rod 1. The fixing frame 14 includes two supports, and a groove 15 is provided at the bottom end of the supports. The wire rope 6 hangs below the fixing frame 14 through the action of the second fixed pulley 9. The movable pulley 10 is connected to the wire rope 6 and is also located below the fixing frame 14. A second hook 12 is also provided on the movable pulley 10, and the hanger 13 can be hung on the second hook 12. The hanger 13 includes two side supports and an I-shaped support in the middle. When the hanger 13 moves upward, the side supports can be locked in the groove 15 to fix their positions, so that the hanger 13 will not shake too much when not in use.

[0028] Preferably, the end of the wire rope 6 furthest from the winch 5 is connected to a first hook 11, and a hanging ring is provided at the bottom of the horizontal bar of the second connecting rod 2. The first hook 11 can be hooked onto the hanging ring, thus realizing the movable pulley 10 mode. Conversely, if the first hook 11 is not hooked onto the hanging ring, the crane is in the fixed pulley mode.

[0029] Preferably, the bottom of the first connecting rod 1 is provided with an arc-shaped plate 16, and the side of the arc-shaped plate 16 away from the first connecting rod 1, i.e., the arc edge, is also provided with anti-slip texture. When the quick-assembly structure is installed on the tree trunk, the arc surface of the arc-shaped plate 16 fits precisely on the tree trunk, thereby distributing pressure and preventing the crane from sinking into the tree trunk or sliding due to concentrated force during lifting. The anti-slip texture further enhances friction, allowing the arc-shaped plate 16 to be stably secured on the tree trunk without easily shifting.

[0030] Preferably, the quick-release structure is a tightening strap 3, which is equipped with an adjusting buckle 4, similar to a belt buckle. The length of the tightening strap 3 can be adjusted by adjusting the buckle 4, so as to adapt to tree trunks of different sizes.

[0031] Brief description of working principle: First, rotate the first connecting rod 1 so that the first tilting rod and the second tilting rod are aligned. Then, install the fixing device 7 and insert the pin to fix the position of the first connecting rod 1 and the second connecting rod 2. Then, adjust and fix the connection by wrapping the tightening strap 3 around the tree trunk, and cooperate with the arc plate 16 at the bottom to ensure a stable connection. After hanging the game or goods on the rack 13, if the goods are heavy, connect the rack 13 directly through the first hook 11, that is, use the fixed pulley mode. Manually turn the hand crank on the winch 5, and the wire rope 6 will drive the rack 13 to move upward and lift the goods at a relatively fast speed. If the goods are overweight, hang the first hook 11 on the hanging ring, and connect the rack 13 through the second hook 12 on the movable pulley 10, which can save effort to lift the goods. After the work is finished, remove the hanging bracket 13, pull out the pin, rotate the second connecting rod 2 to fold with the first connecting rod 1, remove the tightening strap 3 from the trunk, tighten it in the opposite direction, tie the first connecting rod 1 and the second connecting rod 2 together, and at the same time, fix the two brackets of the bracket 14 to the two sides of the first connecting rod 1, and finally achieve portable storage.

[0032] Although the embodiments of this utility model have been described in the specification, these embodiments are merely illustrative and should not limit the scope of protection of this utility model. Various omissions, substitutions, and modifications made without departing from the spirit of this utility model should be included within the scope of protection of this utility model.

Claims

1. A foldable tree hanger crane, characterized by: The system includes a crane body, a quick-assembly and disassembly structure, and a hanger. The crane body includes a first connecting rod, a second connecting rod, and a winch. The first connecting rod is rotatably connected to the second connecting rod, and a fixing device is provided at the connection between the first and second connecting rods. A winch with a wire rope wound on the first connecting rod is provided, and a first hook is connected to the end of the wire rope away from the winch. A first fixed pulley and a second fixed pulley are provided on the second connecting rod. The wire rope passes over the second fixed pulley and is connected to a movable pulley. A second hook is provided on the movable pulley. The hanger can selectively connect to either the first hook or the second hook. The quick-assembly and disassembly structure is connected to the first connecting rod.

2. The foldable tree spotters crane of claim 1, wherein: The first connecting rod includes a vertical rod and a first inclined rod, and the second connecting rod includes a second inclined rod and a horizontal rod, wherein the first inclined rod and the second inclined rod are rotatably connected.

3. The foldable tree spotters crane of claim 2, wherein: One end of the fixing device is fixedly connected to the first tilting rod, and the other end of the fixing device is connected to the second tilting rod through a pin.

4. The foldable tree spotters crane of claim 1, wherein: A fixing bracket is installed at the end of the second connecting rod away from the first connecting rod.

5. The foldable tree spotters crane of claim 4, wherein: The bottom end of the fixing frame is provided with a groove that is compatible with the hanging bracket.

6. The foldable tree-hanging crane according to claim 1, characterized in that: The bottom of the second connecting rod is provided with a hanging ring.

7. The foldable tree spotters crane of claim 1, wherein: The bottom of the first connecting rod is provided with an arc-shaped plate, and the arc edge of the arc-shaped plate is provided with anti-slip texture.

8. The foldable tree spotters crane of claim 1, wherein: The quick-release structure is a tightening belt, and the tightening belt is equipped with an adjustable buckle.