Welding and grinding equipment for wind driven generator production

Abstract

The utility model relates to the field of wind power generation, and discloses a welding and polishing device for wind driven generator production, which comprises a workbench and an arc-shaped support, one side of the workbench is fixedly connected with the arc-shaped support, and one side of the workbench is provided with a rotary polishing structure corresponding to one end of the arc-shaped support. The supports are fixedly connected to the positions, corresponding to the two sides of the arc-shaped support, of one face of the workbench, the arc-shaped support is arranged between the supports, the fixed-point grinding structures are arranged on the faces, away from the workbench, in the supports, and the fixed-point grinding structures correspond to the arc faces of the arc-shaped support. The fixed-point grinding structure can conveniently grind weld reinforcement and oxide skin generated at some positions during cylindrical welding, the weld quality is improved, the weld attractiveness is improved, the two grinding structures are integrated, and the equipment applicability is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of wind power generation, concretely to a welding and polishing equipment for wind driven generator production. BACKGROUND

[0002] Wind driven generator is the device of wind energy conversion into electric energy, wind driven generator mainly relies on wind power to push the windmill blade rotation, through the speed increaser to promote the rotation speed, drives the generator to generate electricity, in recent years, global wind power installed capacity continues to grow, the technical level is unceasingly improved, wind driven generator tower drum is the important support structure of wind power generation system, as the basic support part of whole wind driven generator, the tower drum bears huge weight, the steel tower drum is the most common tower drum type at present, is made by steel plate rolling and welding, has high strength, good reliability.

[0003] Tower drum needs to be first rolled into the single section tower drum welded into the cylinder shape when manufacturing, the weld reinforcement and oxide skin exist in some places of the spiral weld after welding, in order to be beautiful and facilitate paint spraying, need to be polished, then the single section tower drum is butt welded into the integral tower drum with coaxial center, the weld position needs to be polished before the single section tower drum butt joint, the weld reinforcement and oxide skin in some places also need to be polished after welding, the existing polishing mode is mostly manual polishing using the polisher, reduces the polishing efficiency, in addition, the polishing equipment can only polish the weld tumor and burr within a certain range, therefore, we propose a welding and polishing equipment for wind driven generator production. UTILITY MODEL CONTENTS

[0004] (I) technical problem solved

[0005] In view of the defects of the prior art, the utility model provides a welding and polishing equipment for wind driven generator production, which solves the above problems.

[0006] (II) technical scheme

[0007] In order to achieve the above purposes, the utility model provides the following technical scheme: a welding and polishing equipment for wind driven generator production, including workbench and arc support, one side of workbench is fixedly connected with arc support, one side of workbench is provided with rotary polishing structure corresponding to one end of arc support, one side of workbench is fixedly connected with support corresponding to both sides of arc support, arc support is between supports, fixed point polishing structure is arranged in support away from one side of workbench, and fixed point polishing structure corresponds to arc surface of arc support.

[0008] Preferably, one end of the arc support is fixedly connected with a support column corresponding to one side of the workbench, the support column corresponds to one end of the arc surface of the arc support, and the support column is fixedly connected with a bearing outer ring penetrating one side of the arc support corresponding to the arc surface, and the bearing axis corresponds to the arc surface axis of the arc support.

[0009] Preferably, the rotating polishing structure comprises a motor, a connecting rod, a hydraulic cylinder, a square cylinder and an annular protrusion, the motor body is fixedly connected to one side of the support away from the arc-shaped support, one end of the motor shaft is fixedly connected to the bearing inner ring on the support, one end of the connecting rod is fixedly connected to the bearing inner ring on the support, the connecting rod is opposite to the motor shaft and between the bearing inner ring of the motor shaft, the square cylinder is fixedly connected to one end of the connecting rod away from the support, the annular protrusion is fixedly connected to the inner wall of the other end of the square cylinder, the hydraulic cylinder body is fixedly connected to one side of the square cylinder away from the arc-shaped support, and the hydraulic cylinder piston rod is towards the end of the square cylinder with the annular protrusion.

[0010] Preferably, the rotating polishing structure further comprises a telescopic rod, a support, a polishing head and an annular protrusion, the outer surface of one end of the telescopic rod is fixedly connected to the inner surface of the annular protrusion, the telescopic rod with the annular protrusion is insertedly connected in the square cylinder, and the annular protrusion of the telescopic rod is clampedly connected between the annular protrusion of the square cylinder and the square cylinder, one end of the hydraulic cylinder piston rod lug is fixedly connected to one side of the telescopic rod, one end of the telescopic rod away from the annular protrusion is fixedly connected to one side of one face of the support, the polishing head is fixedly installed on the face of the support corresponding to the telescopic rod, and the polishing surface of the polishing head faces the connecting rod.

[0011] Preferably, the fixed-point polishing structure comprises a motor, a lead screw, a support plate, a bearing, a sliding block and a limiting block, the support is fixedly connected with the support plates on both sides of the opening away from the workbench, the outer circles of the bearings are fixedly and penetratingly connected to the center positions of the opposite faces of the two support plates, the motor body is fixedly connected to one of the support plates, the motor body is outside the support, one end of the motor shaft is fixedly connected to the bearing inner rings on the support plate in the same axis, one end of the lead screw is fixedly connected to the bearing inner rings on the support plate corresponding to the motor in the same axis, the lead screw is opposite to the motor shaft and between the bearing inner rings of the motor shaft, one end of the lead screw away from the motor is fixedly connected to the bearing inner rings on the corresponding support plate in the same axis, a threaded hole is penetratingly and set in the center position of one face of the sliding block, the threaded hole is coaxial with the lead screw and the lead screw is threadedly connected between the threaded holes, the limiting block is fixedly connected to the face of the sliding block away from the arc-shaped support, a sliding groove is set in the face of the support opposite to the arc-shaped support, the limiting block is clampedly connected between the sliding grooves.

[0012] Preferably, the fixed-point grinding structure further includes a telescopic rod, an annular protrusion, a grinding head, a hydraulic cylinder, and a square cylinder. One end of the square cylinder is fixedly connected to the side of the slider away from the limiting block. The inner wall of the other end of the square cylinder of the slider is fixedly connected to the outer ring of the annular protrusion. One side of the hydraulic cylinder body is fixedly connected to the outer side of the square cylinder. The piston rod of the hydraulic cylinder faces the end of the square cylinder with the annular protrusion. The outer surface of one end of the telescopic rod is fixedly connected to the inner surface of the annular protrusion. The end of the telescopic rod with the annular protrusion is inserted into the square cylinder of the slider, and the annular protrusion of the telescopic rod is snapped between the annular protrusion of the square cylinder and the square cylinder. One end of the piston rod lug of the hydraulic cylinder is fixedly connected to one side of the telescopic rod. The grinding head is fixedly installed at the end of the telescopic rod away from the annular protrusion, and the grinding surface of the grinding head faces the arc surface of the arc-shaped support.

[0013] (III) Beneficial Effects

[0014] Compared with the prior art, this utility model provides a welding and grinding equipment for wind turbine production, which has the following features:

[0015] Beneficial effects:

[0016] 1. The welding and grinding equipment used in the production of wind turbines has an added rotary grinding structure to facilitate the grinding of burrs and flash at the welding position before the butt joint of the cylindrical parts. It grinds the flash and burrs of the welding bevel, avoids slag inclusions in the weld during welding, improves the weld quality, and ensures that the weld quality is within the standard range.

[0017] 2. The welding and grinding equipment for wind turbine production adds a fixed-point grinding structure to facilitate the grinding of weld excess and oxide scale generated in certain areas during cylindrical welding. It can also perform fixed-point grinding of weld excess and oxide scale in certain areas, improving the aesthetics of the weld and facilitating painting or connection of other parts. The two grinding structures are integrated to improve the applicability of the equipment. Attached Figure Description

[0018] Figure 1 This is a schematic diagram of the structure of this utility model;

[0019] Figure 2 This is an exploded view of the structure of this utility model;

[0020] Figure 3 This is a cross-sectional schematic diagram of the telescopic grinding structure of this utility model;

[0021] Figure 4 for Figure 3 A magnified view of part A in the diagram;

[0022] Figure 5 for Figure 3 A magnified view of part B in the diagram.

[0023] In the figure: 1, workbench; 2, support; 3, support column; 4, arc-shaped support; 5, motor; 6, support plate; 7, bearing; 8, screw rod; 9, hydraulic cylinder; 10, square cylinder; 11, connecting rod; 12, telescopic rod; 13, annular protrusion; 14, support; 15, polishing head; 16, sliding block; 17, limiting block; 18, threaded hole; 19, sliding groove. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the protection scope of the utility model.

[0025] Please refer to Figures 1-5 A kind of welding and polishing equipment for wind driven generator production, including workbench 1 and arc-shaped support 4, one side of workbench 1 is fixedly connected with arc-shaped support 4, one side of workbench 1 is provided with rotary polishing structure corresponding to one end of arc-shaped support 4, one side of workbench 1 is fixedly connected with support 2 corresponding to both sides of arc-shaped support 4, arc-shaped support 4 is between support 2, fixed point polishing structure is provided in support 2 away from one side of workbench 1, and fixed point polishing structure corresponds to arc surface of arc-shaped support 4.

[0026] Further, one side of workbench 1 is fixedly connected with support column 3 corresponding to one end of arc-shaped support 4, support column 3 corresponds to one end of arc surface of arc-shaped support 4, and support column 3 is fixedly connected with the outer ring of bearing 7 corresponding to one side of arc-shaped support 4, the axis of bearing 7 corresponds to the axis of arc surface of arc-shaped support 4, and support column 3 is used to install rotary polishing structure.

[0027] Further, rotary polishing structure includes motor 5, connecting rod 11, hydraulic cylinder 9, square cylinder 10 and annular protrusion 13, the main body of motor 5 is fixedly connected on one side of support column 3 away from arc-shaped support 4, one end of the main shaft of motor 5 is fixedly connected between the inner ring of bearing 7 on support column 3, one end of connecting rod 11 is fixedly connected between the inner ring of bearing 7 on support column 3, connecting rod 11 is opposite to the main shaft of motor 5 and connecting rod 11 is between the inner ring of bearing 7 and the main shaft of motor 5, one end of connecting rod 11 is fixedly connected with one end of square cylinder 10 on the cylindrical surface away from support column 3, the inner wall of the other end of square cylinder 10 is fixedly connected with the outer ring of annular protrusion 13, one side of square cylinder 10 away from arc-shaped support 4 is fixedly connected with one side of the main body of hydraulic cylinder 9, the piston rod of hydraulic cylinder 9 is towards one end of square cylinder 10 with annular protrusion 13, motor 5 provides the rotating force of rotary polishing structure, connecting rod 11 is used to connect square cylinder 10, hydraulic cylinder 9 provides the lifting force of polishing head 15, and annular protrusion 13 is used for limiting.

[0028] Further, the rotary polishing structure further comprises the telescopic rod 12, the support 14, the polishing head 15 and the annular protrusion 13, one end of the telescopic rod 12 is fixedly connected with the inner surface of the annular protrusion 13, the telescopic rod 12 is insertedly connected in the square cylinder 10 at the end with the annular protrusion 13, the annular protrusion 13 of the telescopic rod 12 is clampedly connected between the annular protrusion 13 of the square cylinder 10 and the square cylinder 10, the ear of the piston rod of the hydraulic cylinder 9 is fixedly connected on one side of the telescopic rod 12, the end of the telescopic rod 12 away from the annular protrusion 13 is fixedly connected with one side of one face of the support 14, the polishing head 15 is fixedly installed on the face of the support 14 corresponding to the telescopic rod 12, the polishing surface of the polishing head 15 faces the connecting rod 11, the square cylinder 10 is used for inserting the telescopic rod 12, the telescopic rod 12 can be telescoped in the square cylinder 10, and the support 14 is used for connecting the polishing head 15 and the telescopic rod 12.

[0029] Further, the fixed-point polishing structure comprises the motor 5, the lead screw 8, the support plate 6, the bearing 7, the sliding block 16 and the limiting block 17, the support 2 is fixedly connected with the support plate 6 on both sides of the symmetric opening away from the workbench 1, the outer rings of the bearings 7 are fixedly and penetratively connected with the center positions of the opposite faces of the two support plates 6, the main body of the motor 5 is fixedly connected on one of the support plates 6, the main body of the motor 5 is outside the support 2, the inner ring of the bearing 7 is fixedly and coaxially connected between the main shaft of the motor 5 and the support plate 6, the lead screw 8 is fixedly and coaxially connected between the inner ring of the bearing 7 on the support plate 6 corresponding to the motor 5, the lead screw 8 is opposite to the main shaft of the motor 5 and between the inner ring of the bearing 7, the inner ring of the bearing 7 is fixedly and coaxially connected between the lead screw 8 and the support plate 6 away from the motor 5, the center position of one face of the sliding block 16 is provided with the threaded hole 18, the threaded hole 18 is coaxial with the lead screw 8 and corresponds to the lead screw 8, and the lead screw 8 is threadedly connected between the threaded holes 18, the limiting block 17 is fixedly connected with the face of the sliding block 16 away from the arc-shaped support 4, the opposite face of the support 2 to the arc-shaped support 4 is provided with the sliding groove 19, the sliding groove 19 corresponds to the limiting block 17 and the limiting block 17 is clampedly connected between the sliding grooves 19, the motor 5 provides the force for the translation of the fixed-point polishing structure, the lead screw 8 is used for sliding the sliding block 16, the support plate 6 is used for installing the lead screw 8, the threaded hole 18 makes the sliding block 16 slide on the lead screw 8, and the limiting block 17 is used for limiting the sliding block 16 with the sliding groove 19.

[0030] Further, the fixed-point polishing structure further comprises the telescopic rod 12, the annular protrusion 13, the polishing head 15, the hydraulic cylinder 9 and the square barrel 10, one end of the square barrel 10 is fixedly connected to one side of the sliding block 16 away from the limiting block 17, the other end of the square barrel 10 of the sliding block 16 is fixedly connected to the outer ring of the annular protrusion 13, one side of the square barrel 10 is fixedly connected to one side of the main body of the hydraulic cylinder 9, the piston rod of the hydraulic cylinder 9 is towards one end of the square barrel 10 with the annular protrusion 13, one end of the telescopic rod 12 is fixedly connected to the inner surface of the annular protrusion 13, one end of the telescopic rod 12 with the annular protrusion 13 is insertedly connected in the square barrel 10 of the sliding block 16 and the annular protrusion 13 of the telescopic rod 12 is clampedly connected between the annular protrusion 13 of the square barrel 10 and the square barrel 10, one end of the ear of the piston rod of the hydraulic cylinder 9 is fixedly connected to one side of the telescopic rod 12, the polishing head 15 is fixedly installed at one end of the telescopic rod 12 away from the annular protrusion 13, and the polishing surface of the polishing head 15 is towards the arc surface of the arc-shaped support 4, so that the fixed-point polishing structure moves the polishing head 15 to the corresponding position for polishing.

[0031] Working principle: when the flash burr of the welding position of the tower drum needs to be polished, the tower drum is placed on the arc-shaped support 4 by the crane, the end with the flash burr of the welding position is placed corresponding to the square barrel 10, the tower drum corresponds to the polishing surface of the polishing head 15, the telescopic movement of the piston rod of the hydraulic cylinder 9 is controlled, the hydraulic cylinder 9 drives the telescopic rod 12 to telescopically move between the square barrels 10, the telescopic rod 12 drives the polishing head 15 to move to the position of the cutout with the flash burr of the tower drum, the polishing head 15 is controlled to rotate to drive the square barrel 10 to rotate, the polishing head 15 is rotated and the polishing head 15 is started to polish the flash burr of the cutout of the tower drum at the same time, after the polishing is completed, the polishing head 15 is controlled to move away from the tower drum by the extension movement of the hydraulic cylinder 9, and the tower drum is taken out by the crane, when the weld reinforcement and the oxide skin generated in some positions of the tower drum welding need to be polished, the tower drum is placed on the arc-shaped support 4, the polishing head 15 of the sliding block 16 is controlled to correspond to the position of the weld, the screw 8 is rotated by controlling the motor 5, so that the sliding block 16 moves on the screw 8, the polishing head 15 is moved to the position to be polished, the piston rod of the hydraulic cylinder 9 of the sliding block 16 is controlled to extend, when the polishing head 15 contacts the tower drum, the polishing head 15 is started to polish the tower drum, and the tower drum can be taken down by the crane after the polishing is completed.

[0032] Although the embodiments of the present application have been shown and described, it should be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and spirits of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A welding and polishing device for wind turbine production, comprising a workbench (1) and an arc-shaped support (4), one side of the workbench (1) being fixedly connected with the arc-shaped support (4), characterized in that: One side of the workbench (1) is provided with a rotating polishing structure corresponding to one end of the arc-shaped support (4), and the workbench (1) is fixedly connected with the support (2) on the two sides of the arc-shaped support (4) on one side. The arc-shaped support (4) is between the supports (2), and the support (2) is provided with a fixed-point polishing structure on the side away from the one side of the workbench (1). The fixed-point polishing structure corresponds to the arc surface of the arc-shaped support (4).

2. A welding and polishing apparatus for wind turbine production according to claim 1, characterized in that: One side of the workbench (1) is fixedly connected with the support column (3) corresponding to one end of the arc-shaped support (4), and the support column (3) corresponds to one end of the arc surface of the arc-shaped support (4). The support column (3) penetrates through the outer ring of the bearing (7) fixedly connected on the side corresponding to the arc-shaped support (4), and the axis of the bearing (7) corresponds to the axis of the arc surface of the arc-shaped support (4).

3. A welding and polishing apparatus for wind turbine production according to claim 2, characterized in that: The rotating polishing structure comprises a motor (5), a connecting rod (11), a hydraulic cylinder (9), a square cylinder (10) and an annular protrusion (13). The motor (5) is fixedly connected to the side of the support column (3) away from the arc-shaped support (4), and the motor (5) is coaxially fixedly connected between the inner ring of the bearing (7) on the support column (3) and the outer ring of the bearing (7). One end of the connecting rod (11) is coaxially fixedly connected between the inner ring of the bearing (7) on the support column (3), and the connecting rod (11) is opposite to the main shaft of the motor (5) and between the inner ring of the bearing (7) and the main shaft of the motor (5). One end of the connecting rod (11) is fixedly connected with the square cylinder (10) on the cylindrical surface away from the support column (3), and the other end of the square cylinder (10) is fixedly connected with the outer ring of the annular protrusion (13). The outer side of the square cylinder (10) away from the arc-shaped support (4) is fixedly connected with one side of the hydraulic cylinder (9), and the piston rod of the hydraulic cylinder (9) is directed to one end of the square cylinder (10) with the annular protrusion (13).

4. A welding and polishing apparatus for wind turbine production according to claim 3, characterized in that: The rotating polishing structure further comprises a telescopic rod (12), a support (14), a polishing head (15) and an annular protrusion (13). One end of the telescopic rod (12) is fixedly connected with the inner surface of the annular protrusion (13), and the telescopic rod (12) is insertedly connected in the square cylinder (10) with the annular protrusion (13). The annular protrusion (13) of the telescopic rod (12) is clampedly connected between the annular protrusion (13) of the square cylinder (10) and the square cylinder (10). One end of the ear of the piston rod of the hydraulic cylinder (9) is fixedly connected to one side of the telescopic rod (12), and one end of the telescopic rod (12) away from the annular protrusion (13) is fixedly connected to one side of one side of the support (14). The support (14) is fixedly installed with the polishing head (15) on the side corresponding to the telescopic rod (12), and the polishing surface of the polishing head (15) is directed to the connecting rod (11).

5. A welding and polishing apparatus for windmill production according to claim 1, characterized in that: The fixed-point polishing structure comprises a motor (5), a lead screw (8), a support plate (6), a bearing (7), a sliding block (16) and a limiting block (17), the support plate (6) is fixedly connected to the both sides of the symmetric opening of the support (2) away from the workbench (1), the outer ring of the bearing (7) is fixedly connected to the center of the opposite side of the two support plates (6), the motor (5) is fixedly connected to one of the support plates (6), the motor (5) is outside the support (2), the inner ring of the bearing (7) is coaxially fixedly connected between the motor (5) and the support plate (6), the lead screw (8) is coaxially fixedly connected between the inner ring of the bearing (7) on the support plate (6) corresponding to the motor (5), the lead screw (8) is opposite to the motor (5) and between the inner ring of the bearing (7), the inner ring of the bearing (7) on the support plate (6) corresponding to the motor (5) is coaxially fixedly connected to the end of the lead screw (8) away from the motor (5), the sliding block (16) is provided with a threaded hole (18) in the center of one side, the threaded hole (18) is coaxially corresponding to the lead screw (8) and the lead screw (8) is threadedly connected between the threaded holes (18), the limiting block (17) is fixedly connected to the side of the sliding block (16) away from the arc-shaped support (4), the sliding groove (19) is formed in the side of the support (2) opposite to the arc-shaped support (4), the sliding groove (19) is corresponding to the limiting block (17) and the limiting block (17) is clampedly connected between the sliding grooves (19).

6. A welding and polishing apparatus for windmill production according to claim 5, characterized in that: The fixed-point polishing structure further comprises a telescopic rod (12), an annular protrusion (13), a polishing head (15), a hydraulic cylinder (9) and a square cylinder (10), one end of the square cylinder (10) is fixedly connected to the side of the sliding block (16) away from the limiting block (17), the outer ring of the annular protrusion (13) is fixedly connected to the inner wall of the other end of the square cylinder (10) of the sliding block (16), one side of the hydraulic cylinder (9) is fixedly connected to the outer side of the square cylinder (10), the piston rod of the hydraulic cylinder (9) is towards the end of the square cylinder (10) with the annular protrusion (13), the inner surface of the annular protrusion (13) is fixedly connected to the outer surface of one end of the telescopic rod (12), the telescopic rod (12) is insertedly connected into the square cylinder (10) of the sliding block (16) and the annular protrusion (13) of the telescopic rod (12) is clampedly connected between the annular protrusion (13) of the square cylinder (10) and the square cylinder (10), the ear of the piston rod of the hydraulic cylinder (9) is fixedly connected to one side of the telescopic rod (12), the polishing head (15) is fixedly installed at the end of the telescopic rod (12) away from the annular protrusion (13), and the polishing surface of the polishing head (15) is towards the arc surface of the arc-shaped support (4).

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