CN221530282U - Wind power tower cylinder welding grounding device - Google Patents

Abstract

The utility model discloses a welding grounding device for a wind power tower, and relates to the technical field of wind power towers. The utility model comprises a base, wherein two adjusting nuts are arranged on the upper side of the base, and a threaded shaft is arranged on the upper side of each adjusting nut; the mounting plate is located the base upside, the mounting plate is installed the upper end of screw spindle, the bottom of mounting plate with elastic fit between the upside of base, two lift slide rails have been installed to the bottom of mounting plate. According to the utility model, the whole device is arranged on the roller frame, the spring is used for realizing automatic extension and contraction under the rolling state of the tower barrel, so that the ground electrode is ensured to be always pressed against the surface of the tower barrel, the grounding protection of the tower barrel is realized, the device effectively avoids the problems of potential safety hazards and cable loss caused by winding and breakage of the ground wire, the grounding device is arranged on the welding roller frame, the conventional welding grounding installation process is omitted during the subsequent welding of the tower barrel, and the operation auxiliary time can be reduced.

Description

Wind power tower cylinder welding grounding device

Technical Field

The utility model belongs to the field of wind power towers, and particularly relates to a welding grounding device for a wind power tower barrel.

Background

The wind power tower is a tower pole for wind power generation, and after the manufacture of the single-section cylinder is completed, a hydraulic assembling machine is adopted for assembling, the straightness and the flange parallelism are adjusted, and the assembling of the single-section cylinder section is completed. And welding inner and outer circular seams and welding flanges. When the inner and outer circular seams of the tower barrel are welded, the grounding device is required to be connected to the tower barrel, so that the effect of current conduction safety protection is achieved. The conventional welding grounding method adopts a grounding connecting piece, the connecting piece is directly arranged on a connecting tower barrel and rotates along with the tower barrel, the grounding wire is long in mopping, winding and breakage of the grounding wire are easy to cause in the rotating process, the grounding wire is frequently consumed and high in cost, and auxiliary workload such as manual cable arrangement and connection is large and unsafe.

Therefore, a welding grounding device for a wind power tower is provided to solve the above disadvantages.

Disclosure of utility model

The utility model aims to solve the technical problem of overcoming the defects of the prior art and providing a welding grounding device for a wind power tower.

In order to solve the technical problems, the utility model adopts the basic conception of the technical scheme that:

The wind power tower welding grounding device comprises a base, wherein two adjusting nuts are arranged on the upper side of the base, and a threaded shaft is arranged on the upper side of each adjusting nut;

The mounting plate is located the base upside, the mounting plate is installed the upper end of screw spindle, the bottom of mounting plate with elastic fit between the upside of base, two lift slide rails have been installed to the bottom of mounting plate, limit bearing has been installed to the upside of mounting plate, the upside elasticity and the normal running fit of mounting plate have the electrode swing arm, contact motor has been installed to the one end of electrode swing arm.

Optionally, the back template has been installed to the upside of mounting panel, the board of placing has been installed to the upside of returning the template, electrode swing arm normal running fit is in place the bottom of board one end, limit bearing is installed place the upside of board, electrode swing arm one end with install the swing arm spring between placing board one end bottom, insulating backing plate has been installed to electrode swing arm one end, the contact motor is installed one side of insulating backing plate.

Optionally, two backup pads have been installed to the upside of base, the guide post has been installed to one side of backup pad, lifting slide rail sliding fit is in on the guide post, backup pad one side with install the main part component between the base upside, two travel springs have been installed between the bottom of mounting panel with adjusting nut upside, travel spring cover is established the week side of screw spindle, eight through-holes have been seted up on the base, the bolt has been placed to the inside of through-hole.

After the technical scheme is adopted, compared with the prior art, the utility model has the following beneficial effects, and of course, any product for implementing the utility model does not necessarily need to achieve all the following advantages at the same time:

The whole device is arranged on the roller frame, under the rolling state of the tower, the automatic expansion of the grounding electrode is realized by the spring, so that the surface of the tower is always pressed by the grounding electrode, the grounding protection of the tower is realized, the device effectively avoids the problems of potential safety hazards and cable loss caused by winding and breakage of the grounding wire, the grounding device is arranged on the welding roller frame, the installation process of the prior welding grounding is omitted during the subsequent welding of the tower, and the operation auxiliary time can be reduced.

The following describes the embodiments of the present utility model in further detail with reference to the accompanying drawings.

Drawings

The drawings in the following description are only examples of embodiments from which other drawings may be derived by those skilled in the art without the exercise of inventive faculty. Attached at

In the figure:

FIG. 1 is a schematic perspective view of an embodiment of the present utility model;

fig. 2 is a schematic bottom view of an embodiment of the present utility model.

In the drawings, the list of components represented by the various numbers is as follows:

The limit bearing 1, the contact motor 2, the electrode swing arm 3, the swing arm spring 4, the main body member 5, the travel spring 6, the lifting slide rail 7, the threaded shaft 8, the adjusting nut 9, the through hole 10, the bolt 11, the insulating base plate 12, the mounting plate 13, the base 14 supporting plate 15, the return plate 16, the placing plate 17 and the guide post 18.

It should be noted that these drawings and the written description are not intended to limit the scope of the inventive concept in any way, but to illustrate the inventive concept to those skilled in the art by referring to the specific embodiments.

Detailed Description

The utility model will now be described in further detail with reference to the accompanying drawings.

Referring to fig. 1-2, in this embodiment, a welding grounding device for a wind power tower is provided, which includes a base 14, two adjusting nuts 9 are installed on the upper side of the base 14, and a threaded shaft 8 is installed on the upper side of the adjusting nuts 9;

The mounting plate 13 that is located the base 14 upside, mounting plate 13 install in the upper end of screw shaft 8, and elastic fit is between the bottom of mounting plate 13 and the upside of base 14, and two lift slide rails 7 have been installed to the bottom of mounting plate 13, and limit bearing 1 has been installed to the upside of mounting plate 13, and the elasticity of the upside of mounting plate 13 and normal running fit have electrode swing arm 3, and contact motor 2 has been installed to one end of electrode swing arm 3.

The grounding device is suitable for a tower with the diameter of 3500-5500mm, and through calculation, the difference between the maximum height of the tower body and the minimum height of the tower body is 90mm, and the compression stroke range of the spring of the device is 120mm;

the grounding device is provided with two contact motors 2, the contact motors 2 use red copper with the best conductivity, meanwhile, the thickness of a copper block is increased to 60mm, the copper block is easy to replace, the electrode swing arm 3 and the swing arm spring 4 are designed, the electrodes can be effectively ensured to be always in close contact with the cylinder body, and the virtual connection risk can be avoided due to the structural design;

The device designs two groups of travel springs 6, the positions of the travel springs 6 are positioned at two sides and are not in the center of the structure, 4 groups of heavy-load guide rails are added, the vertical stress is not in the center, the sliding smoothness is not affected, the travel springs 6 are added with adjusting nut modes, and the tightness is adjusted within the range of 50mm so as to be matched with and adapt to the change of the diameter of the tower barrel; when the electrode is completely consumed, the bearing bears the downward pressure of the tower barrel to avoid the damage of the device, and the structural design can lead the structural strength of the device to be larger and the service time to be longer;

when the electrode is consumed, the extreme bearing 1 is used for bearing the lower pressure of the tower barrel to avoid damage of the device, the contact motor 2 is processed by using a copper plate, the size is H60mm x W85mm x L150mm, two contact points are shared, the electrode swing arm 3 has certain self-adaptability, when the barrel body and the electrode device are not on a vertical axis, the electrode is always attached to the barrel body through the pressure of the swing arm spring 4, the main body member 5 is made of carbon steel, the surface is electroplated, the stroke spring 6 adopts a brand standard piece, the lifting slide rail 7 is provided with 4 sets, all the brand standard pieces are used, the bottom of the threaded shaft 8 is provided with an effective adjustment distance of 50mm, the spring pressure can be properly adjusted through an adjustment nut 9, the tower barrel is hoisted above the roller frame, the extreme bearing 1 and the contact motor 2 are contacted firstly when the tower barrel is lowered, the stroke spring 6 starts to be stressed and compressed to the limit, and the electrode is attached to the surface of the tower barrel tightly by the pressure of the swing arm spring 4 and the stroke spring 6 after the tower barrel is lowered to a conduction loop is formed; the pressure of the swing arm spring 4 is less than that of the stroke spring 6, when the electrode loss reaches the limit along with continuous production, the tower cylinder is contacted with the limit bearing 1, and the limit bearing starts to bear force, so that structural components of the device are prevented from being damaged.

The whole device is arranged on the roller frame, under the rolling state of the tower, the automatic expansion of the grounding electrode is realized by the spring, so that the surface of the tower is always pressed by the grounding electrode, the grounding protection of the tower is realized, the device effectively avoids the problems of potential safety hazards and cable loss caused by winding and breakage of the grounding wire, the grounding device is arranged on the welding roller frame, the installation process of the prior welding grounding is omitted during the subsequent welding of the tower, and the operation auxiliary time can be reduced.

The upper side of mounting panel 13 of this embodiment has installed back template 16, and place board 17 has been installed to the upside of returning template 16, and electrode swing arm 3 normal running fit is in the bottom of placing board 17 one end, and extreme bearing 1 is installed and is being placed the upside of board 17, and electrode swing arm 3 one end is installed swing arm spring 4 with placing between the bottom of board 17 one end, and insulating backing plate 12 has been installed to electrode swing arm 3 one end, and contact motor 2 is installed in one side of insulating backing plate 12.

Two backup pads 15 have been installed to the upside of base 14 of this embodiment, and guide post 18 has been installed to one side of backup pad 15, and lift slide rail 7 sliding fit is on guide post 18, has installed main part component 5 between backup pad 15 one side and the base 14 upside, has installed two travel springs 6 between the bottom of mounting panel 13 and the adjusting nut 9 upside, and travel spring 6 cover is established in the week side of screw shaft 8, has offered eight through-holes 10 on the base 14, and bolt 11 has been placed to the inside of through-hole 10.

The present utility model is not limited to the above embodiments, and any person who can learn the structural changes made under the teaching of the present utility model can fall within the scope of the present utility model if the present utility model has the same or similar technical solutions. The technology, shape, and construction parts of the present utility model, which are not described in detail, are known in the art.

Claims (7)

1. A wind power tower welding grounding device, comprising:

The device comprises a base (14), wherein two adjusting nuts (9) are arranged on the upper side of the base (14), and a threaded shaft (8) is arranged on the upper side of the adjusting nuts (9);

The mounting plate (13) is located on the upper side of the base (14), the mounting plate (13) is arranged at the upper end of the threaded shaft (8), the bottom of the mounting plate (13) is elastically matched with the upper side of the base (14), two lifting slide rails (7) are arranged on the bottom of the mounting plate (13), a limit bearing (1) is arranged on the upper side of the mounting plate (13), an electrode swing arm (3) is elastically and rotationally matched on the upper side of the mounting plate (13), and a contact motor (2) is arranged at one end of the electrode swing arm (3).

2. The welding grounding device for a wind power tower according to claim 1, wherein a return plate (16) is arranged on the upper side of the mounting plate (13), a placing plate (17) is arranged on the upper side of the return plate (16), and the electrode swing arm (3) is in running fit with the bottom of one end of the placing plate (17).

3. The welding grounding device for a wind power tower according to claim 2, wherein the limit bearing (1) is arranged on the upper side of the placement plate (17), and a swing arm spring (4) is arranged between one end of the electrode swing arm (3) and the bottom of one end of the placement plate (17).

4. A wind power tower welding grounding device according to claim 1, characterized in that an insulating base plate (12) is arranged at one end of the electrode swing arm (3), and the contact motor (2) is arranged at one side of the insulating base plate (12).

5. The welding grounding device for a wind power tower according to claim 1, wherein two support plates (15) are arranged on the upper side of the base (14), a guide post (18) is arranged on one side of each support plate (15), the lifting slide rail (7) is in sliding fit with the guide post (18), and a main body member (5) is arranged between one side of each support plate (15) and the upper side of the base (14).

6. The welding grounding device for a wind power tower according to claim 1, wherein two travel springs (6) are arranged between the bottom of the mounting plate (13) and the upper side of the adjusting nut (9), and the travel springs (6) are sleeved on the periphery of the threaded shaft (8).

7. The welding grounding device for a wind power tower according to claim 1, wherein eight through holes (10) are formed in the base (14), and bolts (11) are placed in the through holes (10).