Self-unloading chain block of wind power lifting appliance
By designing a self-dumping hand hoist for wind power, and using a reinforced metal alloy structure and an automatic unloading mechanism, the problems of inconvenience and safety hazards in the existing technology are solved, and efficient and safe lifting and lifting operations are achieved.
Patent Information
- Application Number
- CN202422099016.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-28
- Publication Date
- 2025-07-29
- Estimated Expiration
- 2034-08-28
AI Technical Summary
The existing wind power spreader hand hoists are inconvenient to operate, have poor stability and safety hazards during lifting and lifting, especially in the installation and maintenance of wind power units, which are difficult to achieve safe and reliable automatic unloading.
A self-unloading hand hoist for wind power is designed, which adopts the reinforced metal alloy main structure, transmission components, chains, hooks and self-unloading mechanism, combined with an ergonomic handle and motor-driven unloading gear mechanism to realize the automatic unloading function and is equipped with a dust cover and shell protection.
It improves the simplicity and safety of operation, reduces manpower investment, ensures stability and safety in high-altitude operations, and is suitable for the multi-functional installation and maintenance of wind turbines.
Smart Images

Figure CN223163109U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of lifting and traction devices, and in particular to a self-dumping hand hoist for wind power lifting appliances. Background Art
[0002] The hand hoist for wind power lifting appliances is a special hand hoist for the wind power generation industry, mainly used in scenarios such as the installation, maintenance, and component replacement of wind turbines. This type of hand hoist has been optimized for the working characteristics of the wind power industry and can meet the safety and efficiency requirements of high-altitude operations.
[0003] However, the current hand hoists usually require manual unloading of the lifted components. For scenarios such as the installation and maintenance of wind turbines, lifting and hoisting operations are often required. Traditional hand hoists have the disadvantages of inconvenient operation, poor stability, and high safety hazards. Therefore, how to design a self-dumping hand hoist for wind power lifting appliances with simple operation, safety, and reliability has become an important topic in the current technological development. Summary of the Utility Model
[0004] To achieve the above object, the utility model provides a self-dumping hand hoist for wind power lifting appliances, including:
[0005] A main body structure that supports the operation of the entire device, is used to connect other key components, and is made of strengthened metal alloy to ensure sufficient strength and durability;
[0006] A transmission component, including a driving gear and a driven gear structure;
[0007] A chain, arranged inside the main body structure, connected to the transmission component, and used to bear the weight of the load and perform the lifting operation;
[0008] A hook, arranged on the chain and fixedly connected to the end of the chain, and used to connect and fix the component for bearing the load;
[0009] A self-dumping mechanism, connected to the end of the chain and the hook, and drivingly connected to the hook, and used to realize the automatic unloading of the load;
[0010] A handle, designed according to ergonomics, providing a part for the operator to hold, and the handle starts the lifting operation by applying force.
[0011] Preferably, in the above self-dumping hand hoist for wind power lifting appliances, the self-dumping mechanism includes:
[0012] A release button, arranged on the handle or the main body structure, and used to start the self-dumping operation;
[0013] The unloading gear mechanism is connected to the release button and releases the hook through mechanical principles to automatically unload the load.
[0014] The driving motor is connected to the unloading gear mechanism, used to drive the unloading gear mechanism to release the hook, and is electrically connected to the release button.
[0015] Preferably, in the above-mentioned self-unloading hand chain hoist for wind power lifting appliances, a housing is provided on the main body structure to protect the internal mechanical structure and operators from accidental injuries.
[0016] Preferably, in the above-mentioned self-unloading hand chain hoist for wind power lifting appliances, a dust cover is provided on the self-unloading mechanism to prevent dust from entering and affecting the operation of the self-unloading mechanism.
[0017] Therefore, the self-unloading hand chain hoist for wind power lifting appliances of the present utility model adopts the above structure, with a user-friendly design, a self-unloading mechanism, simple operation, reduced manpower input, and improved work efficiency. It is safe and reliable, equipped with advanced braking and stability systems, ensuring safety in high-altitude working environments. It is multifunctional, suitable for the installation and maintenance of various wind turbine units, and has broad application prospects.
[0018] The technical solution of the present utility model will be further described in detail below with reference to the drawings and embodiments. Description of the Drawings
[0019] Figure 1 It is a schematic structural diagram of an embodiment of the self-unloading hand chain hoist for wind power lifting appliances of the present utility model;
[0020] Figure 2 It is a side view of an embodiment of the self-unloading hand chain hoist for wind power lifting appliances of the present utility model. Detailed Embodiments
[0021] The technical solution of the present utility model will be further described below with reference to the drawings and embodiments.
[0022] Unless otherwise defined, the technical terms or scientific terms used in this utility model shall have the ordinary meanings as understood by those of ordinary skill in the field to which this utility model belongs. The "first", "second" and similar terms used in this utility model do not denote any order, quantity or importance, but are only used to distinguish different components. The terms such as "comprising" or "including" mean that the elements or objects appearing before this term cover the elements or objects listed after this term and their equivalents, without excluding other elements or objects. The terms such as "connected" or "coupled" are not limited to physical or mechanical connections, but may include electrical connections, whether direct or indirect. The terms such as "upper", "lower", "left" and "right" are only used to indicate relative positional relationships, and when the absolute position of the object being described changes, the relative positional relationship may also change accordingly.
[0023] Refer to the attached Figure 1-2 As shown, this application provides a self-dumping hand chain hoist for wind power, including:
[0024] The main body structure 1, which supports the operation of the entire device, is used to connect other key components and is made of strengthened metal alloy to ensure sufficient strength and durability;
[0025] The transmission component, including the driving gear and the driven gear structure;
[0026] The chain 2, which is arranged inside the main body structure 1 and is connected to the transmission component, is used to bear the weight of the load and perform the lifting operation;
[0027] The hook 3, which is arranged on the chain 2 and is fixedly connected to the end of the chain 2, is used to connect and fix the component for the load;
[0028] The self-dumping mechanism 4, which is connected to the end of the chain 2 and the hook 3 and is drivingly connected to the hook 3, is used to realize the automatic unloading of the load;
[0029] The handle, which is designed in line with ergonomics and provides the part for the operator to hold, and the handle starts the lifting operation by applying force.
[0030] To further optimize the above technical solution, the self-dumping mechanism 4 includes:
[0031] The release button, which is arranged on the handle or the main body structure 1 and is used to start the self-dumping operation;
[0032] The unloading gear mechanism 41, which is connected to the release button and releases the hook 3 through mechanical principles to automatically unload the load;
[0033] The driving motor 42 is connected to the unloading gear mechanism 41 and is used to drive the unloading gear mechanism to release the lifting hook 3 and is electrically connected to the release button.
[0034] Specifically, the release button can also be set as a lever. When the operator presses the release button on the handle or pulls the release lever, the self-unloading mechanism can be started to operate.
[0035] To further optimize the above technical solution, a housing is provided on the main body structure 1 to protect the internal mechanical structure and the operator from accidental injuries.
[0036] To further optimize the above technical solution, a dust cover is provided on the self-unloading mechanism 4 to prevent dust from entering and affecting the operation of the self-unloading mechanism.
[0037] It should be noted that an unloading trigger device is further included. After receiving the release signal, the unloading trigger device converts the release signal into an actual release action of the lifting hook 3 or the sling, and controls the driving motor 42 to start.
[0038] Working principle: Operation of the release button or lever. The operator presses the release button on the handle or pulls the release lever, which is the first step to start the self-unloading mechanism. Operation of the unloading gear 41. When the release button or lever is operated, the driving motor 42 starts to release the unloading gear 41, and the unloading gear 41 is connected to the lifting hook 3. After the release button is started, the unloading trigger device will start quickly after receiving the release signal. The purpose of this device is to convert the release signal into an actual release action of the lifting hook or the sling after the operator's release operation. Release of the lifting hook 3 or the sling. The unloading trigger device makes the lifting hook 3 or the sling automatically unlock from the original fixed position through a series of mechanical or electronic actions, which allows the loaded object to unload itself. Control of the self-unloading process. During the unloading process, ensure the stability and safety of the unloading process to prevent accidental unloading or operation errors. Reset preparation. After the self-unloading is completed, it is usually necessary to manually reload the lifting hook 3 or the sling to the original position to prepare for the next lifting operation.
[0039] Therefore, the self-unloading hand chain hoist for a wind power hoist of the present utility model adopts the above structure, with a user-friendly design, a self-unloading mechanism is provided, the operation is simple, the labor input is reduced, and the work efficiency is improved. It is safe and reliable, equipped with an advanced braking and stabilizing system, ensuring safety in the high-altitude operation environment. It is multifunctional, suitable for the installation and maintenance work of various wind turbine units, and has a wide application prospect.
[0040] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention rather than to limit them. Although the present invention has been described in detail with reference to the preferred embodiments, those of ordinary skill in the art should understand that they can still modify the technical solutions of the present invention or make equivalent replacements, and these modifications or equivalent replacements cannot make the modified technical solutions deviate from the spirit and scope of the technical solutions of the present invention.
Claims
1. A self-dumping hand chain hoist for wind power applications, characterized in that, Comprising: A main body structure that supports the operation of the entire device, is used to connect key components, and is made of a strengthened metal alloy to ensure sufficient strength and durability; A transmission component including a driving gear and a driven gear structure; A chain disposed within the main body structure, connected to the transmission component, and used to bear the weight of the load and perform the lifting operation; A hook disposed on the chain, fixedly connected to the end of the chain, and used to connect and fix the component for carrying the load; A self-unloading mechanism connected to the end of the chain and the hook, drivingly connected to the hook, and used to achieve the automatic unloading of the load; A handle, ergonomically designed, providing a part for the operator to hold, and the handle starts the lifting operation by applying force.
2. The self-dumping manual chain hoist for a wind power hoisting tool according to claim 1, wherein, The self-unloading mechanism includes: A release button disposed on the handle or the main body structure and used to start the self-unloading operation; An unloading gear mechanism connected to the release button, and used to release the hook through mechanical principles to automatically unload the load; A driving motor connected to the unloading gear mechanism, used to drive the unloading gear mechanism to release the hook, and electrically connected to the release button.
3. The self-dumping hand chain hoist for a wind power hoisting tool according to claim 2, wherein An outer shell is provided on the main body structure to protect the internal mechanical structure and the operator from accidental injuries.
4. The self-dumping hand chain hoist for wind power hoisting appliance according to claim 3, characterized in that, A dust cover is provided on the self-unloading mechanism to prevent dust from entering and affecting the operation of the self-unloading mechanism.