CN113500322A

CN113500322A - Be used for aerogenerator blade welding set

Info

Publication number: CN113500322A
Application number: CN202111034512.6A
Authority: CN
Inventors: 不公告发明人
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-07-16
Filing date: 2020-07-16
Publication date: 2021-10-15
Also published as: CN111730236A; CN111730236B; CN113523640A

Abstract

The invention relates to the technical field of blade welding, and discloses a blade welding device for a wind driven generator, which comprises an installation support A and an installation support B which are combined to form an installation frame, wherein a processing table is arranged in the installation frame, a jig seat is movably arranged at the top of the processing table, a limiting groove matched with the shape of a blade of the wind driven generator is formed in the top of the jig seat, a vertical displacement component for driving the jig seat to lift is fixedly arranged at the top of the processing table, a blade clamping component is fixedly arranged at the top of the processing table, and a sliding seat moving component is fixedly arranged between the installation support A and the installation support B. The blade pressing and grinding assembly disclosed by the invention solves the problem that welding is not accurate enough due to the fact that the broken blades are not placed accurately, and the blade pressing and grinding assembly presses the two broken blades and grinds the crack so as to enable the two broken blades to be in full contact, so that the welding effect of the wind driven generator blade is improved.

Description

Be used for aerogenerator blade welding set

Technical Field

The invention relates to the technical field of blade welding, in particular to a blade welding device for a wind driven generator.

Background

The design of blades in a wind driven generator directly influences the conversion efficiency of wind energy and the annual energy production of the wind driven generator, and is an important ring for wind energy utilization. The metal blade that uses among the middle-size and small-size aerogenerator can make the blade fracture in long-term use, and current blade welding set can weld after the blade is fixed, and do not carry out the preliminary treatment to the position of fracture blade, it is accurate inadequately to make the welding of aerogenerator blade, can be because there is the gap between two fracture blades, thereby the welding effect of fracture blade has been reduced, and the aerogenerator blade is placed and can be because the slope on the tool seat, do not grind flat processing to the surface of blade, make also difficult characteristic that reaches original blade after the blade welding, thereby the practicality of the welding set who is used for aerogenerator blade fracture maintenance has been reduced.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides a welding device for a wind driven generator blade, which solves the problem of inaccurate welding caused by inaccurate placement of a broken blade.

(II) technical scheme

In order to achieve the purpose, the invention provides the following technical scheme: a blade welding device for a wind driven generator comprises a mounting bracket A and a mounting bracket B which are combined to form a mounting frame, a processing table is arranged in the mounting frame, a jig seat is movably arranged at the top of the processing table, a limiting groove matched with the shape of a blade of the wind driven generator is formed in the top of the jig seat, a vertical displacement component for driving the jig seat to lift is fixedly arranged at the top of the processing table, a blade clamping component is fixedly arranged at the top of the processing table, a sliding seat moving component is fixedly arranged between the mounting bracket A and the mounting bracket B, a sliding seat A and a sliding seat B are arranged at the output end of the sliding seat moving component, a horizontal moving component A is fixedly arranged at the front of the sliding seat A, a welding component is fixedly arranged at the output end of the horizontal moving component A, and a horizontal moving component B is fixedly arranged at the front of the sliding seat B, the output end of the horizontal moving component B is fixedly provided with a pressing component, and the output end of the pressing component is fixedly provided with a blade extruding and grinding component.

Preferably, the vertical displacement subassembly includes motor A, straight-teeth gear A and the fixed chain that sets up in tool seat bottom, motor A fixed mounting is in the bottom of processing platform, straight-teeth gear A installs on motor A's output, straight-teeth gear A with the chain intermeshing, the fixed gag lever post that is provided with in bottom of tool seat, the inner wall at a spacing section of thick bamboo is cup jointed to the gag lever post.

Preferably, blade centre gripping subassembly is including fixed mount, mounting panel and the centre gripping manipulator that sets up at the processing bench top, the fixed plate activity sets up in one side of mount, and the fixed drive mounting panel pivoted motor B that is provided with of opposite side of mount, the manipulator is fixed to be set up in the front of mount, and the fixed back that sets up at the mount of power supply of manipulator.

Preferably, the sliding seat moving assembly comprises a main driving wheel and a driven driving wheel which are respectively and movably arranged at the tops of the mounting support A and the mounting support B, the side surfaces of the mounting support A and the mounting support B are respectively and fixedly provided with a motor C for driving the main driving wheel to rotate, and a belt is in transmission connection between the main driving wheel and the driven driving wheel.

Preferably, the horizontal migration subassembly A includes threaded rod A and base A, threaded rod A passes through the activity of base A and sets up in slide A's front, slide A's front fixed mounting has the rotatory motor D of drive threaded rod A, stopper A has been cup jointed on the threaded rod A, stopper A sliding connection is in the spout A that slide A seted up.

Preferably, the welding assembly comprises a support plate A fixedly installed on the front face of the limiting block A, an electric push rod A penetrates through the support plate A, and a welding head is fixedly arranged at the output end of the electric push rod A.

Preferably, the blade extruding and grinding assembly comprises a mounting box, a rotating shaft A, a rotating shaft B, a straight gear D, a straight gear B and a straight gear C which are fixedly mounted at the output end of the pressing assembly, the straight gear B and the straight gear C are respectively movably mounted on the inner wall of the mounting box through the rotating shaft A and the rotating shaft B, one side of the mounting box is fixedly provided with a motor F for driving the straight gear B to rotate, the number of the straight gear D is two, the straight gear B and the straight gear C are respectively meshed with the two straight gears D, the inner walls of the two straight gears D are both fixedly provided with the rotating shaft C for limiting the straight gear D to rotate in the mounting box, one end of the rotating shaft C is fixedly provided with an extruding gear for driving the blades to extrude, the straight gear B is fixedly provided with a bevel gear A through the rotating shaft A, and the front of the mounting box is fixedly provided with a supporting plate C, one side activity of backup pad C is provided with rotation axis D, the fixed bevel gear B who is provided with bevel gear A meshing of one end of rotation axis D, the fixed carousel that is provided with of the other end of rotation axis D, the front of mounting box still fixedly is provided with two connecting plates A, movable mounting has the wheel of grinding between two connecting plates A, and passes through connecting plate B swing joint between wheel of grinding and the carousel.

Preferably, the horizontal movement component B comprises a threaded rod B and a base B, the threaded rod B is movably arranged on the front of the sliding seat B through the base B, a motor E for driving the threaded rod B to rotate is fixedly arranged on the front of the sliding seat B, a limiting block B is sleeved on the threaded rod B, and the limiting block B is in sliding connection with a sliding groove B formed in the sliding seat B.

Preferably, the pressing component comprises a supporting plate B arranged on the front face of the limiting block B, and an electric push rod B penetrates through the supporting plate B.

Preferably, the number of the squeezing wheels is four, every two squeezing wheels form a group, and the lowest points of the squeezing wheels and the lowest point of the leveling wheel are on the same horizontal plane.

(III) advantageous effects

Compared with the prior art, the invention provides a blade welding device for a wind driven generator, which has the following beneficial effects:

1. tool seat and spacing groove carry out tentatively spacing to the blade, through straight-teeth gear B and straight-teeth gear C meshing for two sets of extrusion wheels all extrude the blade of splitting toward fracture department, make the gap between two fracture blades reduce through the extrusion wheel, make two fracture blades can not make the surface inequality because of the extrusion through grinding flat wheel and spacing groove, thereby influenced the welding quality of fracture blade.

2. The position that two fracture blades are cracked at every turn is different, adjusts the horizontal position that the blade extrudeed and ground the flat subassembly through horizontal migration subassembly B, because of two fracture blade cracked position difference at every turn to the height that leads to two fracture blades is different, and adjusts the blade extrusion and grinds the vertical position of flat subassembly through pressing the subassembly, thereby has promoted this welding set's practicality.

3. After two fracture blades are pretreated, the blade clamping assembly fixes the positions of the two fracture blades, so that when the two fracture blades are subjected to subsequent treatment, the welding quality of the fracture blades cannot be influenced due to the change of the relative position, the two fracture blades can be rotated through the blade clamping assembly, and the welding device can weld each surface of the fracture blades.

4. Through the vertical displacement subassembly for the tool seat can reciprocate, makes tool seat and spacing groove carry out spacing back to the blade that breaks, can drive the tool seat through the vertical displacement subassembly and move down, prevents that the tool seat from causing the hindrance to the rotation of blade.

5. The assembly is moved through the sliding seat, so that the worker can adjust the positions of the sliding seat A and the sliding seat B according to different working requirements, and convenience is brought to the practical use of the worker.

6. The horizontal position of the welding assembly is adjusted through the horizontal moving assembly A due to the fact that the positions of the two broken blades are different at every break, the height of the two broken blades is different, the vertical position of the welding head is adjusted through the electric push rod B, the welding head can process the two broken blades, and therefore the practicability of the welding device is further improved.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of a connection structure of a jig base and a vertical displacement assembly according to the present invention;

FIG. 3 is a schematic view of a blade clamping assembly of the present invention;

FIG. 4 is a schematic view of a carriage moving assembly according to the present invention;

FIG. 5 is a schematic view of the connection structure of the sliding base A and the horizontal moving component A;

FIG. 6 is a schematic view of a welded assembly according to the present invention;

FIG. 7 is a schematic view of a blade squeeze and grind assembly according to the present invention;

FIG. 8 is a cross-sectional view of the mounting box of the present invention;

FIG. 9 is a schematic view of the connection structure of the sliding base B and the horizontal moving component B;

FIG. 10 is a schematic view of a pressing assembly according to the present invention.

In the figure: 1. mounting a bracket A; 2. mounting a bracket B; 3. a processing table; 4. a jig base; 5. a limiting groove; 6. a vertical displacement assembly; 61. a motor A; 62. a straight gear A; 63. a chain; 64. a limiting rod; 65. a limiting cylinder; 7. a blade clamping assembly; 71. a fixed mount; 72. mounting a plate; 73. clamping the manipulator; 74. a motor B; 8. a carriage moving assembly; 81. a main transmission wheel; 82. a driven wheel; 83. a motor C; 84. a belt; 9. a slide seat A; 10. a horizontal moving component A; 101. a threaded rod A; 102. a base A; 103. a motor D; 104. a limiting block A; 105. a chute A; 11. welding the assembly; 111. a support plate A; 112. an electric push rod A; 113. welding a head; 12. a slide base B; 13. a horizontal moving component B; 131. a threaded rod B; 132. a base B; 133. a motor E; 134. a limiting block B; 135. a chute B; 14. a pressing assembly; 141. a support plate B; 142. an electric push rod B; 15. a blade extruding and grinding assembly; 1501. mounting a box; 1502. a rotation axis A; 1503. a rotation axis B; 1504. a spur gear B; 1505. a spur gear C; 1506. a motor F; 1507. a spur gear D; 1508. a rotation axis C; 1509. an extrusion wheel; 1510. a bevel gear A; 1511. a bevel gear B; 1512. a turntable; 1513. a connecting plate A; 1514. grinding a flat wheel; 1515. a connecting plate B; 1516. a support plate C; 1517. the axis of rotation D.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example 1

As shown in FIG. 1, a blade welding device for a wind driven generator comprises a mounting bracket A1 and a mounting bracket B2 which are combined to form a mounting frame, a processing table 3 is arranged in the mounting frame, a jig seat 4 is movably arranged at the top of the processing table 3, a limiting groove 5 matched with the shape of a wind driven generator blade is arranged at the top of the jig seat 4, a vertical displacement assembly 6 for driving the jig seat 4 to ascend and descend is fixedly arranged at the top of the processing table 3, a blade clamping assembly 7 is fixedly arranged at the top of the processing table 3, a sliding seat moving assembly 8 is fixedly arranged between the mounting bracket A1 and the mounting bracket B2, a sliding seat A9 and a sliding seat B12 are arranged at the output end of the sliding seat moving assembly 8, a horizontal moving assembly A10 is fixedly arranged at the front of a sliding seat A9, a welding assembly 11 is fixedly arranged at the output end of the horizontal moving assembly A10, a horizontal moving assembly B13 is fixedly arranged at the front of the sliding seat B12, the output end of the horizontal moving assembly B13 is fixedly provided with a pressing assembly 14, and the output end of the pressing assembly 14 is fixedly provided with a blade squeezing and grinding assembly 15.

Example 2

On the basis of embodiment 1, as shown in fig. 1-2, the vertical displacement assembly 6 includes a motor a61, a spur gear a62, and a chain 63 fixedly disposed at the bottom of the jig base 4, the motor a61 is fixedly disposed at the bottom of the processing table 3, the spur gear a62 is mounted at the output end of the motor a61, the spur gear a62 and the chain 63 are engaged with each other, a limit rod 64 is fixedly disposed at the bottom of the jig base 4, and the limit rod 64 is sleeved on the inner wall of the limit cylinder 65.

Example 3

On the basis of embodiment 1, as shown in fig. 1 to 3, the blade clamping assembly 7 includes a fixing frame 71 fixedly disposed at the top of the processing table 3, a mounting plate 72 and a clamping manipulator 73, the fixing plate is movably disposed at one side of the fixing frame 71, a motor B74 for driving the mounting plate 72 to rotate is fixedly disposed at the other side of the fixing frame 71, the manipulator is fixedly disposed at the front side of the fixing frame 71, and a power source of the manipulator is fixedly disposed at the back side of the fixing frame 71.

Example 4

On the basis of the embodiment 1, as shown in fig. 1 to 4, the slide moving assembly 8 includes a main driving wheel 81 and a secondary driving wheel 82 movably disposed at the top of the mounting bracket a1 and the mounting bracket B2, a motor C83 for driving the main driving wheel 81 to rotate is fixedly mounted on the side surfaces of the mounting bracket a1 and the mounting bracket B2, and a belt 84 is drivingly connected between the main driving wheel 81 and the secondary driving wheel 82.

Example 5

On the basis of embodiment 1, as shown in fig. 1 to 5, the horizontal movement assembly a10 includes a threaded rod a101 and a base a102, the threaded rod a101 is movably disposed on the front surface of the sliding seat a9 through the base a102, a motor D103 for driving the threaded rod a101 to rotate is fixedly mounted on the front surface of the sliding seat a9, a limit block a104 is sleeved on the threaded rod a101, and the limit block a104 is slidably connected in a sliding groove a105 formed in the sliding seat a 9.

Example 6

On the basis of embodiment 1, as shown in fig. 1 to 6, the welding assembly 11 includes a supporting plate a111 fixedly mounted on the front surface of the limiting block a104, an electric push rod a112 penetrates through the supporting plate a111, and a welding head 113 is fixedly disposed at an output end of the electric push rod a 112.

Example 7

On the basis of embodiment 1, as shown in fig. 1-8, the blade pressing and smoothing assembly 15 includes a mounting box 1501 fixedly mounted at the output end of the pressing assembly 14, a rotating shaft a1502, a rotating shaft B1503, a spur gear D1507, a spur gear B1504 and a spur gear C1505, the spur gear B1504 and the spur gear C1505 are movably mounted on the inner wall of the mounting box 1501 through the rotating shaft a1502 and the rotating shaft B1503, respectively, a motor F1506 for driving the spur gear B1504 to rotate is fixedly mounted at one side of the mounting box 1501, the number of the spur gears D1507 is two, the spur gear B1504 and the spur gear C1505 are respectively meshed with the two spur gears D1507, the inner walls of the two spur gears D1507 are fixedly provided with a rotating shaft C1508 for limiting the spur gear D1507 to rotate in the mounting box 1501, a pressing gear 1509 for driving the blades to press is fixedly provided at one end of the rotating shaft C1508, the spur gear B is fixedly provided with a bevel gear a1510 through the rotating shaft a, the front face of the mounting box 1501 is fixedly provided with a supporting plate C1516, one side of the supporting plate C1516 is movably provided with a rotating shaft D1517, one end of the rotating shaft D1517 is fixedly provided with a bevel gear B1511 meshed with the bevel gear A1510, the other end of the rotating shaft D1517 is fixedly provided with a turntable 1512, the front surface of the mounting box 1501 is also fixedly provided with two connecting plates A1513, a flattening wheel 1514 is movably mounted between the two connecting plates A1513, and the flattening wheel 1514 is movably connected with the turntable 1512 through a connecting plate B1515.

Example 8

On the basis of embodiment 1, as shown in fig. 1 to 9, the horizontal movement assembly B13 includes a threaded rod B131 and a base B132, the threaded rod B131 is movably disposed on the front surface of the sliding seat B12 through the base B132, a motor E133 for driving the threaded rod B131 to rotate is fixedly mounted on the front surface of the sliding seat B12, a limit block B134 is sleeved on the threaded rod B131, and the limit block B134 is slidably connected with a sliding groove B135 formed in the sliding seat B12.

Example 9

In addition to embodiment 1, as shown in fig. 10, the pressing assembly 14 includes a supporting plate B141 installed on the front surface of the stopper B134, and an electric push rod B142 penetrates through the supporting plate B141.

Example 10

On the basis of embodiment 1, as shown in fig. 7, the number of the pressing wheels 1509 is four, and every two pressing wheels 1509 are grouped, and the lowest point of the pressing wheels 1509 and the lowest point of the leveling wheel 1514 are on the same horizontal plane.

The electrical components presented in the document are all electrically connected with an external master controller and 220V mains, and the master controller can be a conventional known device controlled by a computer or the like.

When in use, the two broken blades are prevented from being in the limiting groove 5 arranged on the jig seat 4, the motor A61 is operated to drive the straight gear A62 to rotate, thereby driving the jig seat 4 to ascend through driving the chain 63 to move, enabling the jig seat 4 to be adjusted to a proper height, the motor E133 is operated to drive the threaded rod B131 to rotate, thereby driving the limiting block B134 to move in the sliding groove B135 arranged on the sliding seat A9, adjusting the blade extrusion and smoothing assembly 15 to a proper position, the motor F1506 is rotated, thereby driving the rotating shaft A1502 and the straight gear B1504 to rotate clockwise, through the meshing of the straight gear B1504 and the straight gear C1505, driving the straight gear C1505 to rotate anticlockwise, thereby driving the two sets of straight gears D1507 respectively meshed with the straight gear B1504 and the straight gear C1505 to rotate, so that the two sets of extrusion gears 1509 drive the broken blades to extrude towards the gap, through the rotating shaft A1502, thereby driving the two bevel gears A1510 to rotate, thereby driving the connecting plate A151B 1 and the rotating shaft D1517 on the connecting plate A1513 to rotate, thereby driving the grinding wheel 1514 to move through the connecting plate B1515, grinding the contact part of the two broken blades, the two broken blades after being ground flat are clamped and fixed by a clamping mechanical hand 73, a motor C83 runs, the belt 84, the sliding seat A9 and the sliding seat B12 are driven to move by the main driving wheel 81 and the auxiliary driving wheel 82, so that the welding head 113 stands above the fracture position of the two broken blades, the position of the welding head 113 is adjusted by the horizontal moving assembly a10, the electric push rod a112 and the sliding seat moving assembly 8, so that the welding head 113 welds the fracture, when the welding head 113 welds the first surfaces of the two broken blades, the vertical displacement assembly 6 controls the jig base 4 to move downwards, the motor B74 operates, the clamping robot 73 is rotated, so that the welding head 113 welds the other surface of the two broken blades, and the welding head 113 welds all the four surfaces of the broken blades in sequence.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A blade welding device for a wind driven generator comprises a mounting bracket A (1) and a mounting bracket B (2) which are combined to form a mounting frame, wherein a processing table (3) is arranged in the mounting frame, and the blade welding device is characterized in that: a jig seat (4) is movably arranged at the top of the processing table (3), a limiting groove (5) matched with the shape of a blade of a wind driven generator is formed in the top of the jig seat (4), a vertical displacement component (6) for driving the jig seat (4) to ascend and descend is fixedly arranged at the top of the processing table (3), a blade clamping component (7) is fixedly arranged at the top of the processing table (3), a sliding seat moving component (8) is fixedly arranged between the mounting support A (1) and the mounting support B (2), a sliding seat A (9) and a sliding seat B (12) are installed at the output end of the sliding seat moving component (8), a horizontal moving component A (10) is fixedly arranged on the front surface of the sliding seat A (9), a welding component (11) is fixedly arranged at the output end of the horizontal moving component A (10), a horizontal moving component B (13) is fixedly arranged on the front surface of the sliding seat B (12), the output end of the horizontal moving component B (13) is fixedly provided with a pressing component (14), and the output end of the pressing component (14) is fixedly provided with a blade extruding and grinding component (15);

the vertical displacement assembly (6) comprises a motor A (61), a straight gear A (62) and a chain (63) fixedly arranged at the bottom of the jig base (4), the motor A (61) is fixedly arranged at the bottom of the processing table (3), the straight gear A (62) is arranged at the output end of the motor A (61), the straight gear A (62) and the chain (63) are meshed with each other, a limiting rod (64) is fixedly arranged at the bottom of the jig base (4), and the limiting rod (64) is sleeved on the inner wall of a limiting cylinder (65);

the blade clamping assembly (7) comprises a fixed frame (71) fixedly arranged at the top of the processing table (3), an installation plate (72) and a clamping manipulator (73), wherein the fixed plate is movably arranged on one side of the fixed frame (71), a motor B (74) for driving the installation plate (72) to rotate is fixedly arranged on the other side of the fixed frame (71), the manipulator is fixedly arranged on the front side of the fixed frame (71), and a power source of the manipulator is fixedly arranged on the back side of the fixed frame (71);

the blade squeezing and flat grinding assembly (15) comprises a mounting box (1501), a rotating shaft A (1502), a rotating shaft B (1503), a straight gear D (1507), a straight gear B (1504) and a straight gear C (1505), wherein the mounting box (1501) is fixedly mounted at the output end of the pressing assembly (14), the straight gear B (1504) and the straight gear C (1505) are movably mounted on the inner wall of the mounting box (1501) through the rotating shaft A (1502) and the rotating shaft B (1503) respectively, a motor F (1506) for driving the straight gear B (1504) to rotate is fixedly mounted on one side of the mounting box (1501), the number of the straight gears D (1507) is two, the straight gears B (1504) and the straight gear C (1505) are respectively meshed with the two straight gears D (1507), and the rotating shafts C (1508) for limiting the straight gears D (1507) to rotate in the mounting box (1501) are fixedly arranged on the inner walls of the two straight gears D (1507), a squeezing wheel (1509) for driving the blades to squeeze is fixedly arranged at one end of the rotating shaft C (1508), the straight gear B (1504) is fixedly provided with a bevel gear A (1510) through a rotating shaft A (1502), a supporting plate C (1516) is fixedly arranged on the front surface of the mounting box (1501), a rotating shaft D (1517) is movably arranged on one side of the supporting plate C (1516), one end of the rotating shaft D (1517) is fixedly provided with a bevel gear B (1511) meshed with the bevel gear A (1510), the other end of the rotating shaft D (1517) is fixedly provided with a turntable (1512), the front surface of the mounting box (1501) is also fixedly provided with two connecting plates A (1513), a grinding wheel (1514) is movably arranged between the two connecting plates A (1513), the grinding wheel (1514) and the rotary disc (1512) are movably connected through a connecting plate B (1515);

the horizontal moving assembly B (13) comprises a threaded rod B (131) and a base B (132), the threaded rod B (131) is movably arranged on the front face of the sliding seat B (12) through the base B (132), a motor E (133) for driving the threaded rod B (131) to rotate is fixedly arranged on the front face of the sliding seat B (12), a limiting block B (134) is sleeved on the threaded rod B (131), and the limiting block B (134) is in sliding connection with a sliding groove B (135) formed in the sliding seat B (12);

the pressing component (14) comprises a supporting plate B (141) arranged on the front face of the limiting block B (134), and an electric push rod B (142) penetrates through the supporting plate B (141).

2. A device for welding wind turbine blades according to claim 1, characterized in that: horizontal migration subassembly A (10) includes threaded rod A (101) and base A (102), threaded rod A (101) pass through base A (102) activity and set up in the front of slide A (9), the front fixed mounting of slide A (9) has the rotatory motor D (103) of drive threaded rod A (101), the last stopper A (104) that has cup jointed of threaded rod A (101), stopper A (104) sliding connection is in spout A (105) that slide A (9) was seted up.

3. A device for welding wind turbine blades according to claim 1, characterized in that: the welding assembly (11) comprises a supporting plate A (111) fixedly mounted on the front face of the limiting block A (104), an electric push rod A (112) penetrates through the supporting plate A (111), and a welding head (113) is fixedly arranged at the output end of the electric push rod A (112).