Clamping device for transporting fan blades of wind driven generator
By introducing a reinforcement mechanism and a detachable design into the wind turbine blade transport lifting device, the problems of loose threaded connections and weld damage were solved, thereby improving the stability and economy of the lifting device.
Patent Information
- Application Number
- CN202520215307.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-11
- Publication Date
- 2026-02-06
- Estimated Expiration
- 2035-02-11
AI Technical Summary
The threaded connections of existing wind turbine blade transport lifting devices are prone to loosening, leading to decreased stability. Furthermore, the welded connections require the entire mechanical claw assembly to be replaced when the lifting rod is damaged, increasing the cost of use.
The design incorporates a reinforcement mechanism that enhances the connection stability between the boom and the hook through the combined use of clamping plates and sliders, and features a detachable design that allows for individual replacement of the boom.
It improves the overall stability and safety of the lifting equipment, reduces maintenance and replacement costs, and increases work efficiency.
Smart Images
Figure CN223879284U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a lifting appliance technical field, in particular to a kind of clamping devices for wind turbine fan blade transportation. BACKGROUND
[0002] The clamping device is a special equipment specially used for wind turbine fan blade transportation, mainly used to provide stable support and fixation during fan blade loading and unloading and transportation, to prevent damage of fan blades due to shaking, collision or gravity, and the device is usually composed of a lifting boom, clamping claws, a connecting mechanism and an adjusting component, which can adapt to fan blades of different sizes and shapes.
[0003] The existing lifting boom and lifting hook are usually connected by threads, which is simple and easy to implement, but the thread connection is prone to loosening when frequently lifting or bearing large load, resulting in decreased stability of the lifting appliance and potential safety hazards, and the lifting boom and mechanical claws are usually connected by welding, which is permanent, so that the lifting boom cannot be replaced alone once it is damaged (such as bending, cracking or wear), and the entire mechanical claw assembly must be replaced, increasing the use cost. SUMMARY
[0004] To overcome the deficiencies of the prior art, the utility model provides a clamping device for wind turbine fan blade transportation, which strengthens the connection between the lifting boom and the lifting hook through the design of the reinforcing mechanism. Under the action of the clamping plate and the first sliding block, the outer wall of the lifting boom is firmly clamped, avoiding loosening of the thread connection when frequently lifting or bearing large load, thereby improving the overall stability and safety of the lifting appliance.
[0005] To solve the above technical problems, the utility model provides the following technical scheme: a clamping device for wind turbine fan blade transportation, comprising a lifting boom, the top end of the lifting boom is threadedly connected with a lifting hook, a reinforcing mechanism is arranged on the outer wall of the lifting hook, the reinforcing mechanism clamps and reinforces the outer wall of the lifting boom, the bottom end of the lifting boom is clamped with an adapter plate, the adapter plate is internally provided with a dismounting mechanism, the dismounting mechanism fixes the lifting boom, the bottom end of the adapter plate is connected with mechanical claws on both sides, and an auxiliary top plate is connected at the middle position of the bottom end of the adapter plate.
[0006] As a preferred technical scheme of the utility model, the reinforcing mechanism comprises a base movably mounted on the outer wall of the bottom end of the lifting hook, a slot opened in the base, a first sliding groove opened in the slot, a clamping plate inserted into the first sliding groove, a first sliding block slidingly connected with the first sliding groove and fixed with the clamping plate, and a first return spring arranged on the inner wall of the first sliding groove.
[0007] As a preferred technical scheme of the utility model, three groups of slots are uniformly opened around in the base, and each group of slots is inserted with a group of clamping plates.
[0008] As a preferred technical scheme of the utility model, the shape of the clamping plate is set as convex, the shape of the slot is correspondingly set as convex, and the inner wall surface of the clamping plate is designed as an arc surface matched with the outer wall of the boom.
[0009] As a preferred technical scheme of the utility model, one end of the first reset spring is connected with the outer wall of the first sliding block, and the other end of the first reset spring is connected with the inner wall of the first sliding groove.
[0010] As a preferred technical scheme of the utility model, the dismounting mechanism comprises a second sliding groove formed in the receiving plate, a second sliding block in sliding connection with the second sliding groove, a second reset spring arranged in the second sliding groove, a handle fixed on the top end outer wall of the second sliding block, a plug-in rod fixed on the side wall of the second sliding block, and a plug-in slot formed in the side wall of the boom and in engagement with the plug-in rod.
[0011] As a preferred technical scheme of the utility model, the dismounting mechanism is symmetrically arranged with two groups in the receiving plate, the top end of each handle penetrates through the outer wall of the receiving plate, and the outer wall of each handle is provided with an anti-skid pattern.
[0012] Compared with the prior art, the utility model can achieve the beneficial effects that:
[0013] 1. Through the design of the reinforcing mechanism, the connection between the boom and the hook is strengthened, under the action of the clamping plate and the first sliding block, the outer wall of the boom is firmly clamped, the loosening of the threaded connection when frequently hoisting or bearing a large load is avoided, and thus the overall stability and safety of the lifting appliance are improved.
[0014] 2. The reset spring of the reinforcing mechanism enables the clamping plate to be quickly reset, the installation and dismounting of the boom become more convenient, and the staff only needs to simply operate the clamping plate to complete the fixing and dismounting of the boom, time is saved, and work efficiency is improved.
[0015] 3. Unlike the traditional welding connection mode, the device adopts a detachable design, when the boom is damaged, the boom can be easily pulled out through the dismounting mechanism, and the boom can be replaced alone, without the need to replace the entire mechanical claw assembly, which not only reduces the use cost, but also reduces the workload of maintenance and replacement. BRIEF DESCRIPTION OF DRAWINGS
[0016] Figure 1 It is a structure perspective state schematic view of the utility model;
[0017] Figure 2 It is a structure front view state schematic view of the utility model;
[0018] Figure 3 It is a reinforcing mechanism structure perspective state schematic view of the utility model;
[0019] Figure 4 It is the dismounting mechanism structure front view section state schematic drawing of the utility model.
[0020] The number is: 1, boom; 2, hook; 3, reinforcing mechanism; 31, base; 32, slot; 33, first sliding slot; 34, clamping plate; 35, first sliding block; 36, first return spring; 4, receiving plate; 5, dismounting mechanism; 51, second sliding slot; 52, second sliding block; 53, second return spring; 54, handle; 55, plug-in rod; 56, plug-in slot; 6, mechanical claw; 7, auxiliary top plate. DETAILED DESCRIPTION
[0021] In order to make the technical means, creation features, purposes and effects of the utility model easy to understand, the utility model is further described below in combination with specific embodiments, but the following embodiments are only preferred embodiments of the utility model, not all. Based on the embodiments in the embodiments, other embodiments obtained by those skilled in the art without creative labor belong to the protection scope of the utility model. The experimental methods in the following embodiments are conventional methods, and the materials, reagents, etc. used in the following embodiments are commercially available unless otherwise specified.
[0022] EMBODIMENT:
[0023] As Figures 1-4 shown, a kind of wind-driven generator fan blade transport clamping device, including boom 1, the top of boom 1 is screw-connected with hook 2, reinforcing mechanism 3 is provided on the outer wall of hook 2, reinforcing mechanism 3 is clamped and reinforced to the outer wall of boom 1, the bottom of boom 1 is engaged with receiving plate 4, receiving plate 4 is provided with dismounting mechanism 5, dismounting mechanism 5 is fixed to boom 1, receiving plate 4 bottom end two sides are connected with mechanical claw 6, receiving plate 4 bottom end middle position is connected with auxiliary top plate 7;
[0024] Reinforcing mechanism 3 includes base 31 movably installed on the outer wall of the bottom of hook 2, slot 32 opened in base 31, first sliding slot 33 opened in slot 32, clamping plate 34 inserted with first sliding slot 33, first sliding block 35 sliding with first sliding slot 33 and fixed with clamping plate 34, first return spring 36 is provided on the inner wall of first sliding slot 33;
[0025] Before the worker screws the hook 2 with the boom 1, the clamping plate 34 is pulled outward in advance, so that the clamping plate 34 slides outward in the slot 32, and the first sliding block 35 slides outward in the first sliding groove 33, and the first reset spring 36 is deformed during the sliding process, until the clamping plate 34 moves to the outermost end, at which time the hook 2 is rotationally connected with the boom 1, and it is worth noting that the base 31 is rotationally connected with the boom 1 through a bearing, and after the rotational connection of the hook 2 with the boom 1 is completed, the clamping plate 34 is loosened and pulled, at which time the restoring force of the elasticity of the first reset spring 36 pushes the clamping plate 34 to restore, and finally the inner end wall of the clamping plate 34 clamps and reinforces the outer wall of the boom 1.
[0026] It is worth noting that the slot 32 is uniformly and circumferentially provided with three groups in the base 31, and each group of the slot 32 is inserted with a group of clamping plates 34;
[0027] The clamping plate 34 is provided in a convex shape, the slot 32 is correspondingly provided in a convex shape, and the inner wall surface of the clamping plate 34 is designed as an arc surface matched with the outer wall of the boom 1;
[0028] One end of the first reset spring 36 is connected with the outer wall of the first sliding block 35, and the other end of the first reset spring 36 is connected with the inner wall of the first sliding groove 33;
[0029] The dismounting mechanism 5 comprises a second sliding groove 51 provided in the receiving plate 4, a second sliding block 52 in sliding connection with the second sliding groove 51, a second reset spring 53 provided in the second sliding groove 51, a handle 54 fixed on the top outer wall of the second sliding block 52, an insertion rod 55 fixed on the side wall of the second sliding block 52, and an insertion slot 56 provided in the side wall of the boom 1 and in engagement with the insertion rod 55;
[0030] When the boom 1 is damaged, the handles 54 at both ends are only pulled outward, so that the handles 54 drive the second sliding block 52 to slide outward in the second sliding groove 51, and the second reset spring 53 is deformed during the sliding process, and the second sliding block 52 drives the insertion rod 55 to move outward synchronously, and after the insertion rod 55 is completely removed from the insertion slot 56, the boom 1 is disengaged from the limiting, and the bottom end of the boom 1 is pulled out from the receiving plate 4 to complete the dismounting, and the reverse operation is used for installation.
[0031] It is worth noting that the dismounting mechanism 5 is symmetrically provided with two groups in the receiving plate 4, the top end of each handle 54 penetrates the outer wall of the receiving plate 4, and the outer wall of each handle 54 is provided with anti-skid lines.
[0032] In the utility model, unless another definite provision and limitation, first feature is "on" or "under" second feature can include that first and second features are in direct contact, also can include that first and second features are not in direct contact but are in contact through other features between them. Moreover, first feature "on", "above" and "on" second feature include that first feature is directly above and obliquely above second feature, or only indicates that first feature is higher than second feature in horizontal height. First feature "under", "below" and "under" second feature include that first feature is directly below and obliquely below second feature, or only indicates that first feature is lower than second feature in horizontal height.
[0033] The basic principle, main features and advantages of the utility model are shown and described above. The skilled in the art should understand that the utility model is not limited by the above-mentioned embodiments, the above-mentioned embodiments and the description in the specification are only preferred examples of the utility model and are not used to limit the utility model, various changes and improvements of the utility model can be made without departing from the spirit and scope of the utility model, these changes and improvements all fall into the scope of the utility model claimed for protection, the scope of protection of the utility model is defined by the appended claims and equivalents thereof.
Claims
1. A clamping device for transporting wind turbine blades, comprising a boom (1), characterized in that: The top end of the boom (1) is threadedly connected with a hook (2), a reinforcing mechanism (3) is arranged on the outer wall of the hook (2), the reinforcing mechanism (3) clamps and reinforces the outer wall of the boom (1), the bottom end of the boom (1) is clamped with an adapter plate (4), the adapter plate (4) is internally provided with a dismounting mechanism (5), the dismounting mechanism (5) fixes the boom (1), the bottom end of the adapter plate (4) is connected with mechanical claws (6) on both sides, and the bottom end of the adapter plate (4) is connected with an auxiliary top plate (7) at the middle position.
2. A clamping device for transporting wind turbine blades according to claim 1, characterized in that: The reinforcing mechanism (3) comprises a base (31) movably arranged on the outer wall of the bottom end of the hook (2), a slot (32) formed in the base (31), a first sliding groove (33) formed in the slot (32), a clamping plate (34) inserted into the first sliding groove (33), a first sliding block (35) slidingly arranged in the first sliding groove (33) and fixed with the clamping plate (34), and a first reset spring (36) arranged on the inner wall of the first sliding groove (33).
3. A clamping device for transporting windmill fan blades according to claim 2, characterized in that: Three groups of the slots (32) are uniformly and circumferentially formed in the base (31), and each group of the slots (32) is inserted with a group of clamping plates (34).
4. A clamping device for transporting wind turbine blades according to claim 2, characterized in that: The clamping plate (34) is convex, the slot (32) is correspondingly convex, and the inner wall surface of the clamping plate (34) is designed as an arc surface matched with the outer wall of the boom (1).
5. A clamping device for transporting windmill fan blades according to claim 2, characterized in that: One end of the first reset spring (36) is connected with the outer wall of the first sliding block (35), and the other end of the first reset spring (36) is connected with the inner wall of the first sliding groove (33).
6. A clamping device for transporting windmill fan blades according to claim 1, characterized in that: The dismounting mechanism (5) comprises a second sliding groove (51) formed in the adapter plate (4), a second sliding block (52) slidingly connected with the second sliding groove (51), a second reset spring (53) arranged in the second sliding groove (51), a handle (54) fixed on the top end of the second sliding block (52), an insertion rod (55) fixed on the side wall of the second sliding block (52), and an insertion slot (56) formed in the side wall of the boom (1) and clamped with the insertion rod (55).
7. A clamping device for transporting windmill fan blades according to claim 6, characterized in that: Two groups of the dismounting mechanisms (5) are symmetrically arranged in the adapter plate (4), the top end of each handle (54) penetrates through the outer wall of the adapter plate (4), and the outer wall of each handle (54) is provided with anti-skid lines.