Lifting tool

By designing a lifting tool with reinforced rings and fixed steel ropes in a wind turbine, the maintenance difficulties of hydraulic pitch system and the problems of swing and rolling during lifting are solved, achieving higher safety and stability effects and simple maintenance processes.

CN222556394UActive Publication Date: 2025-03-04HANFENG (YINCHUAN) WIND POWER ENG TECH SERVICES CO LTD
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Patent Information

Application Number
CN202421256436.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-06-03
Publication Date
2025-03-04
Estimated Expiration
2034-06-03

AI Technical Summary

Technical Problem

The hydraulic pitch system in existing wind turbines is difficult to maintain, resulting in unit failure and shutdown. The lifting tool is prone to swing due to product weight and inertia during the lifting process, causing leakage and rollover.

Method used

A lifting tool is designed, and the reinforcement ring around the lifting boom and the reinforcement ring on the top surface of the lifting frame are fixed by a fixed steel rope to ensure that the lifting boom is balanced, and a storage groove is set between the lifting frame, stabilizing plate and fixed support rod to maintain the balance of the storage plate.

Benefits of technology

It effectively avoids swing and rolling problems caused by product weight and inertia during lifting, improves the safety and stability of the device, and simplifies the maintenance process.

✦ Generated by Eureka AI based on patent content.

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    Figure CN222556394U_ABST
Patent Text Reader

Abstract

The utility model relates to the technical field of wind generating sets, and discloses a hoisting tool which is characterized in that a stabilizing seat is arranged on the side surface of a hoisting rod, a reinforcing seat is arranged on the side surface of the stabilizing seat, a reinforcing ring is arranged on the side surface of the reinforcing seat, a bearing steel plate is arranged between storage plates, rubber flitches are arranged at two ends of the bearing steel plate, and sealing partition plates are arranged on the side surfaces of the rubber flitches; and a shaping supporting plate is arranged on the inner wall of the storage plate. According to the lifting tool, the reinforcing circular rings on the periphery of the lifting rod are fixed to the reinforcing circular rings on the top face of the positioning frame and the top face of the lifting frame through the shaping steel ropes in a shaping mode, it is guaranteed that balance is kept between the lifting rod and the positioning frame and between the lifting rod and the lifting frame, and products are sequentially stored in the storage grooves among the lifting frame, the stabilizing plate and the shaping supporting rods; and the balance between the storage plates is ensured, so that the problem of leakage and rollover caused by large swing due to the self weight and inertia of a product in the hoisting process is avoided, and the safety and stability effects of the device are effectively improved.
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Description

Technical Field

[0001] The utility model relates to the technical field of wind power generator sets, in particular to a lifting tool. Background Art

[0002] At present, some large wind turbines in operation use hydraulic pitch systems, and the operation time is long, and the hydraulic components and seals are damaged or worn, which often leads to unit failure and shutdown, resulting in power loss. In order to completely solve the above problems, this time, a lifting tool is specially designed for the small space inside the unit and the difficulty in maintaining the hydraulic system. It is suitable for the small space inside the unit, which is convenient for disassembly, cleaning, replacement and maintenance. It can be used for regular maintenance during the later operation of the unit, improve the equipment operation status, extend the service life, and improve the unit utilization rate.

[0003] In the prior art, when a lifting tool is used, a small crane is usually used for lifting and moving work, which makes the conveying lifting mechanism prone to swinging greatly due to the weight and inertia of the product itself during lifting and moving, causing the risk of leakage and rollover. Therefore, a lifting tool is needed to solve the above technical problems. Utility Model Content

[0004] 1. Technical issues to be solved

[0005] In view of the deficiencies in the prior art, the utility model provides a lifting tool, which has reinforcement rings around the lifting rod and the reinforcement rings on the top of the positioning frame and the lifting frame respectively, which are fixed by shaping steel ropes to ensure that the lifting rod is balanced with the positioning frame and the lifting frame respectively, and the products are stored in sequence in the storage slots between the lifting frame, the stabilizing plate and the shaping support rods to ensure that the storage plates are balanced, thereby avoiding large swings due to the product's own weight and inertia during the lifting process, causing leakage and rollover problems, effectively improving the safety and stability of the device, and solving the above-mentioned technical problems.

[0006] (II) Technical solution

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a lifting tool, including a lifting frame, a stabilizing plate is arranged between the lifting frames, a shaping support rod is arranged between the stabilizing plates, a bearing seat is arranged on the bottom surface of the lifting frame, positioning frames are arranged at both ends of the stabilizing plate, a storage plate is arranged on the side of the lifting frame, a lifting rod is arranged on the top surface of the shaping support rod, a stabilizing seat is arranged on the side of the lifting rod, a reinforcement seat is arranged on the side of the stabilizing seat, a reinforcement ring is arranged on the side of the reinforcement seat, a load-bearing steel plate is arranged between the storage plates, rubber patches are arranged at both ends of the load-bearing steel plates, sealing partitions are arranged on the side of the rubber patches, a shaping support plate is arranged on the inner wall of the storage plate, and reinforcement support rods are arranged at both ends of the shaping support plate.

[0008] Preferably, a stabilizing plate is welded and fixedly connected between the lifting frames, the stabilizing plate is fixedly connected to the shaping support rod, and the two ends of the shaping support rod are respectively fixedly connected to the storage plate between the stabilizing plate, and the lifting frames and the bottom edges of the stabilizing plate are respectively fixedly connected to the bearing seat.

[0009] Through the above technical scheme, the lifting machine drives the lifting frame as a whole to lift the products through the lifting holes on the top surface of the lifting rod, and the products are stacked flatly on the top surface of the storage plate. The lifting frame, stabilizing plate and shaping support rods on the side ends respectively limit the products in the middle to avoid deviation during the lifting process, which may cause the products to slide from the top surface of the storage plate, thereby playing a role of limiting support. The reinforcement rings around the lifting rod are respectively fixed to the positioning frame and the reinforcement rings on the top surface of the lifting frame through shaping steel ropes to ensure that the lifting rod is balanced with the positioning frame and the lifting frame, and can remain stable during the lifting process to prevent the lifting frame and the storage plate from tilting and sliding. At the same time, the shaped steel rope replaces the ordinary hollow steel rope to connect and support the lifting frame and the positioning frame, which can avoid the rope breaking when the lifting is too heavy, thereby ensuring the firm effect between the reinforcement steel ropes and improving the stability of the product support.

[0010] Preferably, the positioning frames are respectively located on the top surfaces of the shaping support rod and the stabilizing plate and are welded and fixed, the lifting rod is fixedly installed in the middle of the top surface of the shaping support rod, and stabilizing seats are welded and fixed around the lifting rod, a circular groove is opened on the side of the stabilizing seat, and a reinforcing ring is located on the inner side of the circular groove.

[0011] Through the above technical scheme, the lifting rod is located in the middle position of the top surface of the shaping support rod, and the positioning frame is respectively located on the top surface of the stabilizing plate and the shaping support rod and is welded and fixed. At the same time, the positioning bolts are used for reinforcement to prevent cracks and gaps from appearing at the welding point between the stabilizing plate and the shaping support rod, thereby improving the stability of the shaping support rod while achieving the reinforcement effect. At the same time, the storage plate can provide stable support for the product while avoiding deformation or depression due to excessive load-bearing pressure, thereby providing stable support for the product.

[0012] Preferably, the lifting frame, shaping support rod and the top surface of the positioning frame are respectively provided with reinforcement seats and reinforcement rings, and the reinforcement rings are respectively fixedly connected with positioning steel ropes, the storage plate is embedded in the inner side of the lifting frame and the stabilizing plate, and a storage groove is opened between the storage plate and the lifting frame.

[0013] Through the above technical scheme, the reinforcement rings around the lifting rod are fixed to the reinforcement rings on the top of the positioning frame and the lifting frame respectively through the shaping steel ropes, so as to ensure that the lifting rod is balanced with the positioning frame and the lifting frame respectively, and the products are stored in the storage slots between the lifting frame, the stabilizing plate and the shaping support rods in sequence. The storage slots are located at both ends of the shaping support rods to expand the storage space while ensuring the balance between the storage plates, thereby avoiding large swings due to the product's own weight and inertia during the lifting process, causing leakage and rollover problems, and effectively improving the safety and stability of the device.

[0014] Preferably, the storage boards are fixedly connected with reinforcing transverse plates, and the middle of the inner wall of the reinforcing transverse plates is fixedly connected with a load-bearing steel plate, both ends of the load-bearing steel plate are respectively fixedly connected with rubber patches, and the sides of the rubber patches are respectively fixedly connected with sealing partitions, and the inner walls of the storage boards are fixedly connected with shaping support plates.

[0015] Through the above technical scheme, the load-bearing steel plates are fixedly connected to the reinforcing transverse plates, the load-bearing steel plates are fixedly connected in the middle of the inner wall of the reinforced transverse plates to reinforce them, and the sealing partitions are respectively fixed to the load-bearing steel plates with rubber stickers to prevent moisture or water vapor from passing through the reinforced transverse plates and directly contacting the load-bearing steel plates, thereby ensuring that the load-bearing steel plates can be sealed and shaped on the inside of the reinforced transverse plates. At the same time, the inner wall of the storage plate is reinforced and shaped with a shaping support plate to prevent the top surface of the storage plate from being subjected to excessive pressure and causing breakage or deformation, thereby effectively improving the bearing capacity of the storage plate while also improving the practicability of the device.

[0016] Compared with the prior art, the utility model provides a lifting tool with the following beneficial effects:

[0017] 1. The utility model fixes the reinforcing rings around the lifting rod to the reinforcing rings on the top of the positioning frame and the lifting frame through the shaping steel ropes, so as to ensure that the lifting rod is balanced with the positioning frame and the lifting frame respectively, and the products are stored in the storage slots between the lifting frame, the stabilizing plate and the shaping support rods in sequence. The storage slots are located at both ends of the shaping support rods to expand the storage space while ensuring the balance between the storage plates, thereby avoiding large swings due to the weight and inertia of the product itself during the lifting process, causing leakage and rollover problems, and effectively improving the safety and stability of the device.

[0018] 2. The utility model reinforces the cross plate by fixing the load-bearing steel plates to each other, and fixes the load-bearing steel plates in the middle of the inner wall of the reinforced cross plate to reinforce it. The sealing partitions are respectively fixed with rubber stickers and the load-bearing steel plates to prevent moisture or water vapor from penetrating the reinforced cross plate and directly contacting the load-bearing steel plate, thereby ensuring that the load-bearing steel plate can be sealed and shaped on the inside of the reinforced cross plate. At the same time, the inner wall of the storage plate is reinforced and shaped by a shaping support plate to prevent the top surface of the storage plate from being subjected to excessive pressure and being broken or deformed, thereby effectively improving the bearing capacity of the storage plate and improving the practicability of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 This is a schematic diagram of the three-dimensional structure of the lifting frame of the utility model;

[0020] Figure 2 For this utility model Figure 1 A is a schematic diagram of the partially enlarged structure of the middle part;

[0021] Figure 3 It is a schematic diagram of the cross-sectional structure of the storage plate of the utility model.

[0022] Among them: 1. Lifting frame; 2. Stabilizing plate; 3. Forming support rod; 4. Load-bearing seat; 5. Positioning frame; 6. Storage plate; 7. Lifting rod; 8. Stabilizing seat; 9. Reinforcement seat; 10. Reinforcement ring; 11. Load-bearing steel plate; 12. Rubber patch; 13. Sealing partition; 14. Forming support plate; 15. Reinforcement support rod. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0024] See also Figure 1-3 A lifting tool comprises a lifting frame 1, a stabilizing plate 2 is arranged between the lifting frames 1, a shaping support rod 3 is arranged between the stabilizing plates 2, a bearing seat 4 is arranged on the bottom surface of the lifting frame 1, positioning frames 5 are arranged at both ends of the stabilizing plate 2, a storage plate 6 is arranged on the side of the lifting frame 1, a lifting rod 7 is arranged on the top surface of the shaping support rod 3, a stabilizing seat 8 is arranged on the side of the lifting rod 7, a reinforcement seat 9 is arranged on the side of the stabilizing seat 8, a reinforcement ring 10 is arranged on the side of the reinforcement seat 9, a load-bearing steel plate 11 is arranged between the storage plates 6, rubber stickers 12 are arranged at both ends of the load-bearing steel plate 11, and a sealing partition 13 is arranged on the side of the rubber sticker 12, a shaping support plate 14 is arranged on the inner wall of the storage plate 6, and reinforcement support rods 15 are arranged at both ends of the shaping support plate 14.

[0025] Specifically, the lifting frame 1 is welded and fixedly connected with the stabilizing plate 2, the stabilizing plate 2 is fixedly connected to the shaping support rod 3, and the two ends of the shaping support rod 3 are respectively fixedly connected to the storage plate 6 between the stabilizing plate 2, and the lifting frame 1 and the stabilizing plate 2 are respectively fixedly connected with the bearing seat 4 along the edges of the bottom surfaces. The advantage is that the lifting machine drives the lifting frame 1 as a whole to lift the products through the lifting holes on the top surface of the lifting rod 7, and the products are stacked flat on the top surface of the storage plate 6. The lifting frame 1, the stabilizing plate 2 and the shaping support rod 3 on the side ends respectively limit the products in the middle to avoid the deviation during the lifting process, which may cause the products to slide off the top surface of the storage plate 6, thereby playing a role of limiting support. The reinforcing rings 10 around the lifting rod 7 are respectively fixed to the positioning frame 5 and the reinforcing rings 10 on the top surface of the lifting frame 1 through shaping steel ropes, ensuring that the lifting rod 7 is balanced with the positioning frame 5 and the lifting frame 1 respectively, and can remain stable during the lifting process to prevent the lifting frame 1 and the storage plate 6 from tilting and sliding. At the same time, the shaping steel rope replaces the ordinary hollow steel rope to connect and support the lifting frame 1 and the positioning frame 5, which can avoid the rope breaking when the lifting is too heavy, thereby ensuring the firm effect between the reinforcing steel ropes and improving the stability of product support.

[0026] Specifically, the positioning frame 5 is respectively located on the top surface of the shaping support rod 3 and the stabilizing plate 2 and is welded and fixed. The lifting rod 7 is fixedly installed in the middle of the top surface of the shaping support rod 3, and the stabilizing seat 8 is welded and fixed around the lifting rod 7. A circular groove is provided on the side of the stabilizing seat 8, and the reinforcing ring 10 is located on the inner side of the circular groove. The advantage is that the lifting rod 7 is located in the middle of the top surface of the shaping support rod 3, and the positioning frame 5 is respectively located on the top surface of the stabilizing plate 2 and the shaping support rod 3 and is welded and fixed. While cooperating with the positioning bolts for reinforcement, cracks and gaps are avoided from appearing at the welding point between the stabilizing plate 2 and the shaping support rod 3 to cause looseness, thereby achieving the reinforcement effect and improving the stability of the shaping support rod 3. At the same time, the storage plate 6 can stably support the product while avoiding deformation or depression due to excessive load-bearing pressure, thereby stably supporting the product.

[0027] Specifically, the top surfaces of the lifting frame 1, the shaping support rod 3 and the positioning frame 5 are respectively provided with a reinforcement seat 9 and a reinforcement ring 10, and the positioning steel ropes are respectively fixedly connected between the reinforcement rings 10, and the storage plate 6 is embedded in the lifting frame 1 and the inner side of the stabilizing plate 2, and a storage groove is provided between the storage plate 6 and the lifting frame 1. The advantage is that the reinforcement rings 10 around the lifting rod 7 are respectively fixed to the reinforcement rings 10 on the top surface of the positioning frame 5 and the lifting frame 1 through shaping steel ropes, ensuring that the lifting rod 7 is balanced with the positioning frame 5 and the lifting frame 1, respectively, and the products are sequentially stored in the storage grooves between the lifting frame 1, the stabilizing plate 2 and the shaping support rod 3. The storage grooves are respectively located at both ends of the shaping support rod 3 to expand the storage space while ensuring that the storage plates 6 are balanced, thereby avoiding large swings due to the weight and inertia of the product itself during the lifting process, causing leakage and rollover problems, and effectively improving the safety and stability of the device.

[0028] Specifically, the storage plates 6 are fixedly connected to the reinforcing transverse plates, and the middle of the inner wall of the reinforcing transverse plates is fixedly connected to the load-bearing steel plates, the two ends of the load-bearing steel plates are respectively fixedly connected to the rubber stickers 12, and the sides of the rubber stickers 12 are respectively fixedly connected to the sealing partitions 13, and the inner wall of the storage plate 6 is fixedly connected to the shaping support plates 14. The advantages are that the reinforcing transverse plates are fixedly connected to the load-bearing steel plates 11, the load-bearing steel plates 11 are fixedly connected to the middle of the inner wall of the reinforcing transverse plates to reinforce them, and the sealing partitions 13 are respectively fixed by the rubber stickers 12 and the load-bearing steel plates 11, while preventing moisture or water vapor from penetrating the reinforcing transverse plates and directly contacting the load-bearing steel plates 11, ensuring that the load-bearing steel plates 11 can be sealed and shaped inside the reinforcing transverse plates, and at the same time, the inner wall of the storage plate 6 is reinforced and shaped by the shaping support plates 14, preventing the top surface of the storage plate 6 from being subjected to excessive pressure and being broken or deformed, thereby effectively improving the bearing capacity of the storage plate 6 and improving the practicality of the device.

[0029] When in use, the lifting machine drives the lifting frame 1 as a whole to lift the product through the lifting hole on the top surface of the lifting rod 7, and the product is stacked flat on the top surface of the storage plate 6. The lifting frame 1, the stabilizing plate 2 and the shaping support rod 3 on the side end respectively limit the product in the middle to avoid the product sliding off the top surface of the storage plate 6 due to deviation during the lifting process, thereby playing a role of limiting support. The reinforcement rings 10 around the lifting rod 7 are respectively fixed to the positioning frame 5 and the reinforcement rings 10 on the top surface of the lifting frame 1 through shaping steel ropes to ensure that the lifting rod 7 is balanced with the positioning frame 5 and the lifting frame 1 respectively, and can remain stable during the lifting process to prevent the lifting frame 1 and the storage plate 6 from tilting and sliding. At the same time, the shaping steel rope replaces the ordinary hollow The steel ropes connect and support the lifting frame 1 and the positioning frame 5, which can avoid rope breakage due to excessive lifting, thereby ensuring the firmness of the reinforced steel ropes and improving the stability of the product support. The lifting rod 7 is located in the middle position of the top surface of the shaping support rod 3, and the positioning frame 5 is respectively welded and fixed on the top surface of the stabilizing plate 2 and the shaping support rod 3. While reinforcing with the positioning bolts, cracks and gaps in the welding joints between the stabilizing plate 2 and the shaping support rod 3 are avoided to cause looseness, thereby achieving the reinforcement effect and improving the stability of the shaping support rod 3. At the same time, the storage plate 6 can provide stably support the product while avoiding deformation or depression due to excessive load-bearing pressure, thereby providing stably support for the product.

[0030] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A lifting tool, comprising a lifting frame (1), a stabilizing plate (2) is arranged between the lifting frames (1), a shaping support rod (3) is arranged between the stabilizing plates (2), a bearing seat (4) is arranged on the bottom surface of the lifting frame (1), and positioning frames (5) are arranged at both ends of the stabilizing plates (2), characterized in that: The lifting frame (1) is provided with a storage plate (6) on the side, the top surface of the shaping support rod (3) is provided with a lifting rod (7), the side of the lifting rod (7) is provided with a stabilizing seat (8), the side of the stabilizing seat (8) is provided with a reinforcing seat (9), the side of the reinforcing seat (9) is provided with a reinforcing ring (10), a load-bearing steel plate (11) is provided between the storage plates (6), rubber patches (12) are provided at both ends of the load-bearing steel plate (11), and a sealing partition (13) is provided on the side of the rubber patch (12), the inner wall of the storage plate (6) is provided with a shaping support plate (14), and reinforcing support rods (15) are provided at both ends of the shaping support plate (14).

2. A lifting tool according to claim 1, characterized in that: A stabilizing plate (2) is welded between the lifting frames (1), the stabilizing plate (2) is fixedly connected to the shaping support rod (3), and the two ends of the shaping support rod (3) are respectively fixedly connected to the storage plate (6) between the stabilizing plate (2), and the bottom surfaces of the lifting frames (1) and the stabilizing plate (2) are respectively fixedly connected to the bearing seat (4) along the edges.

3. A lifting tool according to claim 1, characterized in that: The positioning frames (5) are respectively located on the top surfaces of the shaping support rod (3) and the stabilizing plate (2) and are fixed by welding. The lifting rod (7) is fixedly installed in the middle of the top surface of the shaping support rod (3), and the stabilizing seats (8) are respectively welded and fixed around the lifting rod (7). A circular groove is provided on the side surface of the stabilizing seat (8), and a reinforcing ring (10) is located on the inner side of the circular groove.

4. A lifting tool according to claim 1, characterized in that: The top surfaces of the lifting frame (1), the shaping support rod (3) and the positioning frame (5) are respectively provided with a reinforcement seat (9) and a reinforcement ring (10), and the reinforcement rings (10) are respectively fixedly connected with positioning steel ropes, the storage plate (6) is embedded in the inner side of the lifting frame (1) and the stabilizing plate (2), and a storage groove is provided between the storage plate (6) and the lifting frame (1).

5. A lifting tool according to claim 1, characterized in that: The storage plates (6) are fixedly connected to the reinforcing transverse plates, and the middle of the inner wall of the reinforcing transverse plates is fixedly connected to the load-bearing steel plates. The two ends of the load-bearing steel plates are respectively fixedly connected to the rubber patches (12), and the sides of the rubber patches (12) are respectively fixedly connected to the sealing partitions (13). The inner walls of the storage plates (6) are fixedly connected to the shaping support plates (14).