Magnetic type guardrail of fan tower
By using magnetic guardrails and permanent magnet suction cups on the fan tower, the problems of uncontrollable hanging points and high-altitude operation risks during the welding of wind turbine towers are solved, safe and efficient welding operations are achieved, and damage to the tower base material is avoided.
Patent Information
- Application Number
- CN202422010854.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-19
- Publication Date
- 2025-05-02
- Estimated Expiration
- 2034-08-19
AI Technical Summary
When the fan tower of the wind turbine unit is welded with other structural parts outside the tower wall, the quality of the hanging point welding is uncontrollable and the high-altitude operation is high. The temporary hanging point needs to be cut after welding, which damages the barrel wall base material of the fan tower.
The magnetic suction guardrail is used to fix the guardrail to the outer wall of the tower through a permanent magnet suction cup, and the safety belt is fixed to the guardrail frame to provide safety guarantees. The magnetic suction guardrail is removable and fixed without welding or cutting temporary hanging points.
It reduces operation risks, improves welding quality, avoids damage to the base material of the fan tower barrel wall, and achieves a safe and efficient operation process.
Smart Images
Figure CN222823346U_ABST
Abstract
Description
Technical field:
[0001] The utility model relates to the technical field of tower outer wall welding, in particular to a magnetic suction type guardrail for a wind turbine tower. Background technology:
[0002] At present, most wind turbine towers of wind turbine generator sets are constructed of steel towers. When welding other structural parts outside the tower wall, the wind turbine tower needs to be rotated so that the working area is directly above the operators. The operators climb up to the working area from the inside of the wind turbine tower using a ladder, weld temporary hanging points outside the wall of the wind turbine tower, and fix the safety belts on the temporary hanging points to facilitate the operators to complete the welding of other structural parts. The above process has the problems of uncontrollable hanging point welding quality and high risk of high-altitude operations. After the welding operation is completed, the temporary hanging points need to be cut, which will damage the parent material of the wall of the wind turbine tower. Utility model content:
[0003] The utility model aims to provide a magnetic suction type guardrail for a wind turbine tower.
[0004] The purpose of the utility model is implemented by the following technical scheme: a magnetic guardrail for a wind turbine tower, which includes a guardrail frame, an arc-shaped connecting plate, a connecting assembly and a permanent magnetic suction cup; two arc-shaped connecting plates which are arranged opposite to each other and have horizontal plate surfaces are fixed at the front end of the guardrail frame, and an arc-shaped surface which matches the outer wall of the tower is provided on one side of each of the arc-shaped connecting plates; a groove which passes through the plate surface is opened on each of the arc-shaped connecting plates along the arc-shaped surface, and the permanent magnetic suction cup arranged toward the outer wall of the tower is installed in each of the grooves through the connecting assembly.
[0005] Preferably, the connecting assembly includes two horizontal plates and two vertical plates; the two horizontal plates are symmetrically arranged on both sides of the corresponding arc-shaped connecting plates, and are connected by bolts; two left-right symmetrical first slots are provided on each horizontal plate, and two up-and-down symmetrical second slots are provided on each vertical plate, the two vertical plates are spaced and parallelly inserted into the first slots of the two horizontal plates, and the two horizontal plates are parallelly inserted into the second slots of the two vertical plates; the fixing ears of the permanent magnetic suction cup are placed between the two vertical plates and connected by bolts.
[0006] Preferably, a first through hole is formed through the arc-shaped connecting plate at each groove, a waist-shaped hole is formed through each of the transverse plates, and the two transverse plates are symmetrically arranged on both sides of the corresponding arc-shaped connecting plates, and bolts are inserted into the waist-shaped holes of the transverse plates and the first through holes of the arc-shaped connecting plates.
[0007] Preferably, lifting ears are fixed on the left and right sides of the guardrail frame respectively.
[0008] Preferably, ribs are fixed at the connection points around the guardrail frame.
[0009] Advantages of the utility model: The utility model uses a permanent magnetic suction cup to fix the magnetic guardrail on the outer wall of the tower, and the safety belt is fixed on the guardrail frame, thereby providing safety protection for the operators and reducing the operation risk; and the magnetic guardrail can be detachably fixed, without the need to weld or cut temporary hanging points outside the wall of the wind turbine tower, and will not damage the wall parent material of the wind turbine tower. Description of the drawings:
[0010] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creativity and labor.
[0011] Figure 1 It is a structural schematic diagram of the utility model.
[0012] Figure 2 yes Figure 1 A partial enlarged view of middle A.
[0013] Figure 3 yes Figure 1 Right view of .
[0014] Figure 4 It is a structural schematic diagram of the arc connecting plate.
[0015] Figure 5 It is the main view of the connected component.
[0016] Figure 6 yes Figure 5 Right view of .
[0017] Figure 7 yes Figure 5 Top view of the .
[0018] Figure 8 It is a schematic diagram of the state in which the utility model is installed on a tower.
[0019] The markings of the components in the accompanying drawings are as follows: guardrail frame 1, arc-shaped connecting plate 2, arc-shaped surface 2.1, groove 2.2, first through hole 2.3, connecting component 3, horizontal plate 3.1, first slot 3.1.1, waist-shaped hole 3.1.2, vertical plate 3.2, second slot 3.2.1, second through hole 3.2.2, permanent magnetic suction cup 4, tower 5, lifting ear 6, rib plate 7. Specific implementation method:
[0020] 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 of 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.
[0021] like Figure 1-Figure 8 As shown, a magnetic guardrail for a wind turbine tower comprises a guardrail frame 1, an arc-shaped connecting plate 2, a connecting assembly 3 and a permanent magnetic suction cup 4. The guardrail frame 1 is convenient for providing a temporary hanging point for operators. The permanent magnetic suction cup 4 can be installed on the guardrail frame 1 through the arc-shaped connecting plate 2 and the connecting assembly 3. The magnetic guardrail can be installed on the outer wall of the tower 5 of the wind turbine tower through the permanent magnetic suction cup 4.
[0022] The connecting assembly 3 comprises two horizontal plates 3.1 arranged in parallel vertically and two vertical plates 3.2 arranged in parallel horizontally. Two left-right symmetrical first slots 3.1.1 are arranged on each horizontal plate 3.1, and two up-down symmetrical second slots 3.2.1 are arranged on each vertical plate 3.2. The two vertical plates 3.2 are inserted into the first slots 3.1.1 of the two horizontal plates 3.1 in interval and parallel, and the two horizontal plates 3.1 are inserted into the second slots 3.2.1 of the two vertical plates 3.2 in parallel.
[0023] Two arc-shaped connecting plates 2 that are arranged opposite to each other and have horizontal plate surfaces are fixed at the front end of the guardrail frame 1, and an arc-shaped surface 2.1 that matches the outer wall of the tower 5 is provided on one side of each arc-shaped connecting plate 2; a groove 2.2 that penetrates the plate surface is provided on each arc-shaped connecting plate 2 along the arc-shaped surface 2.1, and a permanent magnetic suction cup 4 that is arranged toward the outer wall of the tower 5 is installed in each groove 2.2 through a connecting component 3, specifically: a first through hole 2.3 is provided through the arc-shaped connecting plate 2 at each groove 2.2, and a waist-shaped hole 3.1.2 is provided through each cross plate 3.1, and the position of the connecting component 3 can be fine-tuned through the waist-shaped hole 3.1.2, thereby adjusting the angle of the permanent magnetic suction cup 4, so that the guardrail frame 1 can be adapted to different The outer diameter of the tower 5, the two horizontal plates 3.1 are symmetrically arranged on both sides of the corresponding arc-shaped connecting plates 2, and bolts are inserted in the waist-shaped holes 3.1.2 of the two horizontal plates 3.1 and the first through holes 2.3 of the arc-shaped connecting plates 2; a second through hole 3.2.2 is penetrated on each vertical plate 3.2, and the fixing ears of the permanent magnetic suction cup 4 are placed between the two vertical plates 3.2, and bolts are inserted in the second through holes 3.2.2 of the two vertical plates 3.2 and the fixing ears of the permanent magnetic suction cup 4; lifting ears 6 are respectively fixed on the left and right sides of the guardrail frame 1, and the setting of the lifting ears 6 can fix the slings, which is convenient for lifting the overall structure; rib plates 7 are respectively fixed at the joints around the guardrail frame 1, and the support of the rib plates 7 ensures that the structure of the guardrail frame 1 is stable and not easy to deform.
[0024] Working process: First, fix the sling of the crane to the lifting lug 6, and lift the magnetic guardrail by the crane, so that the arc surface 2.1 of the arc connecting plate 2 faces the outer wall of the tower 5, and the permanent magnetic suction cup 4 is close to the outer wall of the tower 5; secondly, the operator climbs up to the working area from the ladder inside the tower frame, and fixes the safety belt to the magnetic guardrail; then, the operator turns over the handle of the permanent magnetic suction cup 4, so that the two permanent magnetic suction cups 4 are magnetically attracted to the outer wall of the tower 5, so that the magnetic guardrail and the tower are connected. 5 outer wall; finally, the sling of the crane is removed from the lifting ear 6, the crane is controlled to stay away from the magnetic guardrail, the safety belt of the operator is fixed to the magnetic guardrail, and the welding of other structural parts is completed on the outer wall of the tower 5; when the operator has welded other structural parts on the outer wall of the tower 5, the sling of the crane is re-fixed to the lifting ear 6, the operator turns over the handle of the permanent magnetic suction cup 4 to release the magnetic fixation, and then removes the safety belt from the magnetic guardrail, and leaves the working area by climbing the ladder.
[0025] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.
Claims
1. A wind turbine tower magnetic guardrail, characterized in that: It includes a guardrail frame, an arc-shaped connecting plate, a connecting assembly and a permanent magnetic suction cup; two arc-shaped connecting plates which are arranged opposite to each other and have horizontal plate surfaces are fixed at the front end of the guardrail frame, and an arc-shaped surface which matches the outer wall of the tower is arranged on one side of each arc-shaped connecting plate; a groove which passes through the plate surface is opened on each arc-shaped connecting plate along the arc-shaped surface, and the permanent magnetic suction cup arranged toward the outer wall of the tower is installed in each groove through the connecting assembly.
2. The wind turbine tower magnetic guardrail according to claim 1, characterized in that: The connecting assembly includes two horizontal plates and two vertical plates; the two horizontal plates are symmetrically arranged on both sides of the corresponding arc-shaped connecting plates, and are connected by bolts; two left-right symmetrical first slots are provided on each horizontal plate, and two up-and-down symmetrical second slots are provided on each vertical plate, the two vertical plates are spaced and parallelly inserted into the first slots of the two horizontal plates, and the two horizontal plates are parallelly inserted into the second slots of the two vertical plates; the fixing ears of the permanent magnetic suction cup are placed between the two vertical plates and connected by bolts.
3. A wind turbine tower magnetic guardrail according to claim 2, characterized in that: A first through hole is formed through the arc-shaped connecting plate at each groove, a waist-shaped hole is formed through each horizontal plate, and two horizontal plates are symmetrically arranged on both sides of the corresponding arc-shaped connecting plates, and bolts are inserted into the waist-shaped holes of the horizontal plates and the first through holes of the arc-shaped connecting plates.
4. A wind turbine tower magnetic guardrail according to any one of claims 1 to 3, characterized in that: Lifting ears are respectively fixed on the left and right sides of the guardrail frame.
5. The wind turbine tower magnetic guardrail according to claim 4, characterized in that: Rib plates are respectively fixed at the connection points around the guardrail frame.