Strong magnetic fixing device for accessories in wind power tower

Abstract

The utility model discloses a strong magnet fixing device for an inner accessory of a wind power tower. The strong magnet fixing device comprises a bracket, a guide seat, a first strong magnet, an outer shield and a connecting piece, a mounting groove is prefabricated in the inner wall of the tower drum, a horizontally-arranged support is detachably connected to the bottom end of the mounting groove, a guide seat is fixed to the top end of the support, and a guide groove of the guide seat is opposite to the mounting groove; the guide groove is matched with the outer shield in shape; a mounting groove is formed in the outer protective cover, a first strong magnet is fixed in the outer protective cover, the first strong magnet extends to the outer side of the outer protective cover, the first strong magnet is matched with the mounting groove, and a connecting piece is fixed to the side, away from the first strong magnet, of the outer protective cover. The problem that an operator is injured by clamping when the inner wall of the tower drum is connected with the first strong magnet is solved, meanwhile, the accuracy of the connecting position of the first strong magnet and the inner wall of the tower drum is guaranteed, the situation that the mounting position of the first strong magnet deviates in the later period is reduced, and the working efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to wind power technology field, concretely relates to wind power tower drum inner accessory strong magnet fixing device. BACKGROUND

[0002] In the inside of wind power tower drum, there are generally platform, rail handrails, lamps and lanterns and other inner accessories, the last step before the completion of wind power tower drum manufacturing is to install inner accessories, the connecting mode between the tower drum and the inner accessories at the present stage is bolt connection, but bolt can produce fatigue crack at the steel concrete connecting surface and the nut, influence the fatigue life of node, so as to reduce the fatigue of tower drum steel plate, the connecting mode between part of tower drum and inner accessories adopts strong magnet connection or gluing.

[0003] But strong magnet connection currently has many problems: 1, first, the inner surface of tower drum will be smooth after painting, after using strong magnet connection, the strong magnet will have the risk of sliding under the action of its own gravity after tower drum installation;2, in the process of installing strong magnet, due to the strong attraction between strong magnet and the inner surface of tower drum, it is easy to pinch the hand of construction personnel, there is a security risk, at the same time, once the strong magnet is fixed on the tower drum, it is difficult to move under external force, leading to great difficulty in adjusting when the installation position deviates;3, using the mode of gluing, due to the hardening of glue, it will affect the progress of construction. UTILITY MODEL CONTENTS

[0004] The utility model aims at providing a kind of wind power tower drum inner accessory strong magnet fixing device.

[0005] The utility model is implemented by the following technical solutions: wind power tower drum inner accessory strong magnet fixing device, it includes support, guide seat, first strong magnet, outer shroud, connecting piece;

[0006] Tower drum inner wall is prefabricated with mounting groove, the bottom end of the mounting groove is detachably connected with the horizontally arranged support, the top end of the support is fixed with the guide seat, and the guide groove of the guide seat is arranged opposite to the mounting groove;

[0007] The shape of the guide groove matches the outer shroud;

[0008] The first strong magnet is fixed in the inner portion of the outer shroud, the first strong magnet extends to the outside of the outer shroud, the first strong magnet matches the mounting groove, and the connecting piece is fixed on the side of the outer shroud away from the first strong magnet.

[0009] Further, the inner wall of the outer shroud and the first strong magnet are fixed by fixed adhesive.

[0010] Further, the support comprises two legs, a second strong magnet is fixed on one end of the leg close to the tower drum, the second strong magnet is detachably connected with the inner wall of the tower drum, and the guide seat is fixed between the two legs.

[0011] Further, the guide seat comprises a bottom plate and vertical side plates fixed on both sides of the bottom plate, the guide groove is formed between the bottom plate and the two side plates, and the handle is fixed on the bottom end face of the bottom plate.

[0012] Further, the support is a non-magnetic support.

[0013] Further, the guide seat is a non-magnetic guide seat.

[0014] The utility model discloses the advantages that under the action of guide seat and support, the operator holds the handle of guide seat with one hand and the connecting piece on the outer shield with the other hand, the problem that the operator is pinched when the inner wall of tower drum is connected with the first strong magnet is solved, the accuracy of the connecting position of the first strong magnet and the inner wall of tower drum is ensured, the installation position deviation of the first strong magnet in the later period is reduced, and the work efficiency is improved, compared with the adhesive connection mode, the construction period is saved, and it is convenient and fast.

[0015] The first strong magnet, the outer shield and the connecting piece are used to connect the inner accessory and the tower drum, the technical problem of node fatigue caused by bolt connection in the prior art is solved, the first strong magnet is limited under the action of the installation groove, and the technical problem that the first strong magnet slides downward along the inner wall of the tower drum under the action of gravity is solved. DRAWINGS

[0016] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or the prior art, the drawings needed to be used in the embodiment or the prior art description will be briefly introduced below, and obviously, the drawings in the following description are only some embodiments of the utility model, and those skilled in the art can also obtain other drawings according to these drawings without creating creative labor.

[0017] Figure 1 It is the combined schematic view of the utility model and the tower drum.

[0018] Figure 2 It is the combined schematic view of the leg of the utility model and the tower drum.

[0019] Figure 3 It is the schematic view of the guide seat of the utility model.

[0020] Figure 4 It is the combined schematic view of the outer shield and the first strong magnet of the utility model.

[0021] In the diagram: 1. Tower; 2. Mounting slot; 3. Bracket; 3.1. Support leg; 3.2. Second strong magnet; 4. Guide seat; 4.1. Base plate; 4.2. Side plate; 4.3. Handle; 5. Outer cover; 6. First strong magnet; 7. Connector. Detailed Implementation

[0022] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0023] like Figures 1-4 As shown, the strong magnetic fixing device inside the wind turbine tower includes a bracket 3, a guide seat 4, a first strong magnet 6, an outer protective cover 5, and a connector 7.

[0024] The inner wall of the tower 1 is prefabricated with an installation groove 2. A horizontally arranged bracket 3 is detachably connected to the bottom of the installation groove 2. A guide seat 4 is fixed to the top of the bracket 3. The guide groove 4.1 of the guide seat 4 is arranged opposite to the installation groove 2.

[0025] The guide groove 4.1 matches the shape of the outer protective cover 5;

[0026] A first strong magnet 6 is fixed inside the outer cover 5. The first strong magnet 6 extends to the outside of the outer cover 5 and matches the mounting groove 2. A connector 7 is fixed on the side of the outer cover 5 away from the first strong magnet 6. Bolt holes are opened on the connector 7 to install the inner accessories. The outer cover 5, the first strong magnet 6 and the connector 7 constitute the first strong magnet 6 assembly. The first strong magnet 6 assembly is the fixing part between the inner accessories and the tower 1. The connection between the inner accessories and the tower 1 is achieved through the first strong magnet 6, the outer cover 5 and the connector 7, which solves the technical problem of joint fatigue caused by bolt connection in the prior art. Under the action of the mounting groove 2, the first strong magnet 6 is limited, which solves the technical problem of the first strong magnet 6 sliding down the inner wall of the tower 1 under its own weight.

[0027] The inner wall of the outer protective cover 5 is fixed to the first strong magnet 6 with adhesive, which pre-fixes the first strong magnet 6 to the outer protective cover 5, reducing the time for bonding and fixing during installation.

[0028] The support 3 includes two legs 3.1. A second strong magnet 3.2 is fixed to one end of the leg 3.1 near the tower 1. The second strong magnet 3.2 is detachably connected to the inner wall of the tower 1. A guide seat 4 is fixed between the two legs 3.1. The function of the guide seat 4 is to facilitate the installation of the first strong magnet 6 and ensure that the first strong magnet 6 is accurately installed into the mounting slot 2.

[0029] The guide seat 4 comprises a bottom plate 4.1 and vertical side plates 4.2 fixed on both sides of the bottom plate 4.1, a guide groove 4.1 is formed between the bottom plate 4.1 and the two side plates 4.2, a handle 4.3 is fixed on the bottom end face of the bottom plate 4.1, the handle 4.3 can assist the operator to keep the guide seat 4 stable, the guide seat 4 is covered on the periphery of the mounting groove 2, effectively preventing the operator from putting his hand in the mounting groove 2, and solving the problem of the operator being injured.

[0030] Under the action of the guide seat 4 and the support 3, the operator holds the handle 4.3 of the guide seat 4 with one hand and the connecting piece 7 on the outer cover 5 with the other hand, solving the problem of the operator being injured when connecting the inner wall of the tower drum 1 with the first strong magnet 6, and ensuring the accuracy of the connection position of the first strong magnet 6 and the inner wall of the tower drum 1, reducing the deviation of the installation position of the first strong magnet 6 in the later stage, and improving the work efficiency; compared with the adhesive connection method, the construction period is saved, and it is convenient and fast.

[0031] The support 3 is a non-magnetic support.

[0032] The guide seat 4 is a non-magnetic guide seat.

[0033] The specific operation process of this embodiment is as follows:

[0034] According to the fixing points required by the inner accessories in the tower drum 1, the corresponding installation grooves 2 are prepared in the inner wall of the tower drum 1 in advance;

[0035] The outer cover 5 and the first strong magnet 6 are fixed by fixing glue and are prepared in advance;

[0036] The tower drum 1 is placed flat, then the support 3 is arranged at the bottom of the installation groove 2, the second strong magnet 3.2 on the two supporting legs 3.1 of the support 3 is fixed to the inner wall of the tower drum 1 at the bottom of the installation groove 2, since the area of the second strong magnet 3.2 is small, it is convenient to remove it from the tower drum 1 after the guiding and installation of the first strong magnet 6 are completed; the guide seat 4 is fixed on the support 3, then the first strong magnet 6 is placed in the guide groove 4.1 of the guide seat 4, one hand holds the handle 4.3 to assist the fixation of the guide seat 4, and the other hand pushes the first strong magnet 6 along the guide groove 4.1 until the first strong magnet 6 is pushed into the installation groove 2, and the fixation of the first strong magnet 6 to the inner wall of the tower drum 1 is completed; then the support 3 is removed from the inner wall of the tower drum 1, and the first strong magnet 6 assembly can be installed at the fixing point of the next inner accessory; after the fixing points required by the inner accessories are all installed with the first strong magnet 6 assembly, the inner accessories are connected with the connecting piece 7 through bolts to realize the fixation to the inner wall of the tower drum 1.

[0037] The above merely describes preferred embodiments of the present application and is not intended to limit the present application, and any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A strong magnetic fixing device for internal accessories of a wind turbine tower, characterized in that, It includes a bracket, a guide seat, a first strong magnet, an outer protective cover, and connectors; The inner wall of the tower is prefabricated with an installation groove. A horizontally arranged bracket is detachably connected to the bottom end of the installation groove. The top end of the bracket is fixed with a guide seat. The guide groove of the guide seat is arranged opposite to the installation groove. The guide groove matches the shape of the outer protective cover; The first strong magnet is fixed inside the outer cover and extends to the outside of the outer cover. The first strong magnet matches the mounting groove. The connector is fixed on the side of the outer cover away from the first strong magnet.

2. The strong magnetic fixing device for internal accessories of wind turbine towers according to claim 1, characterized in that, The inner wall of the outer protective cover is fixed to the first strong magnet by adhesive.

3. The strong magnetic fixing device for internal accessories of wind turbine towers according to claim 2, characterized in that, The support includes two legs, and a second strong magnet is fixed to one end of each leg near the tower. The second strong magnet is detachably connected to the inner wall of the tower. A guide seat is fixed between the two legs.

4. The strong magnetic fixing device for internal accessories of wind turbine towers according to claim 3, characterized in that, The guide seat includes a base plate and vertically arranged side plates fixed on both sides of the base plate. A guide groove is formed between the base plate and the two side plates. A handle is fixed to the bottom end face of the base plate.

5. The strong magnetic fixing device for internal accessories of wind turbine towers according to claim 4, characterized in that, The bracket is a non-magnetic bracket.

6. The strong magnetic fixing device for internal accessories of wind turbine towers according to claim 5, characterized in that, The guide seat is a non-magnetic guide seat.

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