Auxiliary alignment device for welded joint of wind power tower

Abstract

The utility model discloses a wind power tower welding seam auxiliary aligning device which comprises a bottom plate, the top of the bottom plate is fixedly connected with a supporting rod, the top of the supporting rod is fixedly connected with a top plate, the upper end of the bottom plate is slidably connected with two sliding seats which are symmetrically distributed, the tops of the sliding seats are fixedly connected with fixing blocks, and the fixing blocks are fixedly connected with the top plate. A supporting seat is fixedly connected to the top of the fixing block, handles are fixedly connected to the ends, away from each other, of the two sliding seats, a positioning mechanism is arranged on the top plate, and adjusting mechanisms are arranged on the sliding seats. According to the tower drum positioning device, the tower drum can be supported by designing the supporting seat and the supporting ring, meanwhile, the threaded movement of the connecting plate can be achieved by driving the screw to rotate through the motor, then the tower drum can be positioned through downward movement of the pressing blocks, and due to the fact that the two pressing blocks move synchronously, welding seams between the positioned tower drums can be aligned; and the welding work can be conveniently carried out.

Description

Technical Field

[0001] The utility model relates to the technical field of wind power tower welding, in particular to a wind power tower welding seam auxiliary alignment device. Background Art

[0002] Wind turbine towers are an indispensable and important part of wind turbine generator sets. They are mainly used to support wind turbine generator sets and absorb vibrations of the units. The diameter of wind turbine towers is generally between 3m and 5m, and the larger diameter may reach 10m. They are very large and heavy. During the processing of wind turbine towers, two sections of wind turbine towers need to be spliced ​​and welded. At present, it is not convenient to position the tower during tower welding, which makes it difficult to align the tower welds, affecting the combined welding effect of the tower. Therefore, improvements are needed. Utility Model Content

[0003] The utility model aims to provide a wind power tower welding seam auxiliary alignment device, which solves the problem of inconvenient tower positioning and seam alignment.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an auxiliary alignment device for the welding seam of a wind power tower, comprising a base plate, the top of the base plate is fixedly connected to a support rod, the top of the support rod is fixedly connected to a top plate, the upper end of the base plate is slidably connected to two symmetrically distributed sliding seats, the top of the sliding seat is fixedly connected to a fixed block, the top of the fixed block is fixedly connected to a support seat, the ends of the two sliding seats that are away from each other are fixedly connected to handles, a positioning mechanism is arranged on the top plate, and an adjustment mechanism is arranged on the sliding seat.

[0005] Preferably, the positioning mechanism includes a motor, the top of the top plate is fixedly connected with a motor, the output end of the motor is rotatably connected to the top plate, the lower end of the motor output end is fixedly connected with a screw, the outer side of the screw is threadedly connected with a connecting plate, the lower end of the connecting plate is fixedly connected with two symmetrically distributed pressure rods, the outer side of the pressure rod is slidably sleeved with a support ring, the front and rear ends of the support ring are fixedly connected with brackets, the bracket is fixedly connected to the top plate, and the lower end of the pressure rod is fixedly connected with a pressure block. By designing the positioning mechanism, it is convenient to position and align the tower.

[0006] Preferably, a guide groove is provided inside the support ring, and a pressure rod is slidably connected inside the guide groove. By designing the guide groove, the pressure rod can slide along the support ring.

[0007] Preferably, the adjustment mechanism includes a slider, the lower end of the slider is fixedly connected to the slider, the slider is slidably connected to the bottom plate, the slider is slidably sleeved with a guide rod inside, the guide rod is fixedly connected to the bottom plate, a groove is provided inside the guide rod, a convex block is slidably connected inside the groove, the upper end of the convex block is fixedly connected to a connecting rod, the upper end of the connecting rod is fixedly connected to a connecting block, the connecting rod and the connecting block are both slidably connected to the slider, a spring is provided inside the slider, a ball is movably sleeved inside the slider, and the ball is slidably connected to the guide rod. By designing the adjustment mechanism, it is convenient to adjust the position of the support seat.

[0008] Preferably, there are multiple grooves, and the multiple grooves are evenly distributed on the guide rod. By designing multiple grooves, the protrusion can slide into the grooves at different positions.

[0009] Preferably, one end of the spring is fixedly connected to the connecting block, and the other end of the spring is fixedly connected to the slider. The spring is designed so that the force of the spring can act on the connecting block.

[0010] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0011] 1. The utility model can support the tower by designing the support seat and the support ring. At the same time, the threaded movement of the connecting plate can be realized by driving the screw rod to rotate by a motor, and then the tower can be positioned by moving the pressure block downward. Since the two pressure blocks move synchronously, the welds between the towers can be aligned after positioning, which is convenient for welding.

[0012] 2. The utility model designs a sliding connection between the slider and the guide rod, so that the slider can slide relative to the guide rod, the slide seat can move horizontally, and then the position of the support seat can be adjusted horizontally, so that it can be conveniently used for supporting and positioning towers of different lengths. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a three-dimensional diagram of the overall structure of the utility model;

[0014] Figure 2 For this utility model Figure 1 A three-dimensional diagram of the local structure of the support ring;

[0015] Figure 3 For this utility model Figure 1 A front cross-sectional view of a local structure of the bottom plate;

[0016] Figure 4 For this utility model Figure 3 Enlarged view of point A.

[0017] In the figure: 1, bottom plate; 2, support rod; 3, top plate; 4, slide seat; 5, fixed block; 6, support seat; 7, handle; 8, positioning mechanism; 9, adjustment mechanism; 81, motor; 82, screw rod; 83, connecting plate; 84, pressure rod; 85, support ring; 86, guide groove; 87, pressure block; 88, bracket; 91, slider; 92, guide rod; 93, groove; 94, bump; 95, connecting rod; 96, connecting block; 97, spring; 98, ball bearing. DETAILED DESCRIPTION

[0018] 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 in 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.

[0019] See also Figure 1 , Figure 2 , Figure 3 A wind turbine tower welding seam auxiliary alignment device comprises a base plate 1, a support rod 2 is fixedly connected to the top of the base plate 1 of the wind turbine tower welding seam auxiliary alignment device, a top plate 3 is fixedly connected to the top of the support rod 2 of the wind turbine tower welding seam auxiliary alignment device, two symmetrically distributed slide seats 4 are slidably connected to the upper end of the base plate 1 of the wind turbine tower welding seam auxiliary alignment device, a fixed block 5 is fixedly connected to the top of the slide seat 4 of the wind turbine tower welding seam auxiliary alignment device, a support seat 6 is fixedly connected to the top of the fixed block 5 of the wind turbine tower welding seam auxiliary alignment device, handles 7 are fixedly connected to the ends of the two wind turbine tower welding seam auxiliary alignment device slide seats 4 that are away from each other, a positioning mechanism 8 is arranged on the top plate 3 of the wind turbine tower welding seam auxiliary alignment device, and an adjustment mechanism 9 is arranged on the slide seat 4 of the wind turbine tower welding seam auxiliary alignment device.

[0020] See also Figure 1 , Figure 2The positioning mechanism 8 of the auxiliary alignment device for the welding seam of the wind turbine tower comprises a motor 81. The top of the top plate 3 of the auxiliary alignment device for the welding seam of the wind turbine tower is fixedly connected with the motor 81. The output end of the motor 81 of the auxiliary alignment device for the welding seam of the wind turbine tower is rotatably connected with the top plate 3. The lower end of the output end of the motor 81 of the auxiliary alignment device for the welding seam of the wind turbine tower is fixedly connected with a screw rod 82. The outer side of the screw rod 82 of the auxiliary alignment device for the welding seam of the wind turbine tower is connected with a connecting plate 83 through a thread. The lower end of the connecting plate 83 of the auxiliary alignment device for the welding seam of the wind turbine tower is fixedly connected with two symmetrically distributed pressure rods 84. The pressure rods 84 of the auxiliary alignment device for the welding seam of the wind turbine tower are fixedly connected with the screw rods 82 of the auxiliary alignment device for the welding seam of the wind turbine tower. A support ring 85 is slidably sleeved on the outside, a guide groove 86 is provided inside the support ring 85 of the auxiliary alignment device for the welding seam of the wind turbine tower, and a pressure rod 84 is slidably connected inside the guide groove 86 of the auxiliary alignment device for the welding seam of the wind turbine tower. By designing the guide groove 86, the pressure rod 84 can slide along the support ring 85. The front and rear ends of the support ring 85 of the auxiliary alignment device for the welding seam of the wind turbine tower are fixedly connected with brackets 88. The bracket 88 of the auxiliary alignment device for the welding seam of the wind turbine tower is fixedly connected to the top plate 3. The lower end of the pressure rod 84 of the auxiliary alignment device for the welding seam of the wind turbine tower is fixedly connected with a pressure block 87. By designing the positioning mechanism 8, it is convenient to position and align the tower.

[0021] See also Figure 1 , Figure 3 , Figure 4The wind turbine tower welding seam auxiliary alignment device adjustment mechanism 9 includes a slider 91, the lower end of the wind turbine tower welding seam auxiliary alignment device slide seat 4 is fixedly connected with the slider 91, the wind turbine tower welding seam auxiliary alignment device slider 91 is slidably connected with the base plate 1, the internal sliding sleeve of the wind turbine tower welding seam auxiliary alignment device slider 91 is connected with a guide rod 92, the wind turbine tower welding seam auxiliary alignment device guide rod 92 is fixedly connected with the base plate 1, the wind turbine tower welding seam auxiliary alignment device guide rod 92 is provided with a groove 93 inside, the wind turbine tower welding seam auxiliary alignment device groove 93 is slidably connected with a protrusion 94 inside, the number of the wind turbine tower welding seam auxiliary alignment device grooves 93 is multiple, and the multiple wind turbine tower welding seam auxiliary alignment device grooves 93 are evenly distributed on the guide rod 92, and by designing multiple grooves 93, the protrusion 94 can slide into the grooves 93 at different positions, and the wind turbine tower welding seam auxiliary alignment device can be adjusted. The upper end of the auxiliary alignment device protrusion 94 is fixedly connected with a connecting rod 95, and the upper end of the connecting rod 95 of the wind tower welding seam auxiliary alignment device is fixedly connected with a connecting block 96. The connecting rod 95 and the connecting block 96 of the wind tower welding seam auxiliary alignment device are both slidably connected to the slider 91. A spring 97 is arranged inside the slider 91 of the wind tower welding seam auxiliary alignment device. One end of the spring 97 of the wind tower welding seam auxiliary alignment device is fixedly connected to the connecting block 96, and the other end of the spring 97 of the wind tower welding seam auxiliary alignment device is fixedly connected to the slider 91. By designing the spring 97, the force of the spring 97 can act on the connecting block 96. The internal movable sleeve of the slider 91 of the wind tower welding seam auxiliary alignment device is provided with a ball 98, and the ball 98 of the wind tower welding seam auxiliary alignment device is slidably connected to the guide rod 92. By designing the adjustment mechanism 9, it is convenient to adjust the position of the support seat 6.

[0022] The specific implementation process of the utility model is as follows: when in use, first insert the tower into the support ring 85 and then place the tower on the support seat 6, then start the motor 81, the output end of the motor 81 drives the screw 82 to rotate, so that the connecting plate 83 makes a threaded movement, and the connecting plate 83 will drive the pressure rod 84 to slide along the support ring 85, and at the same time, the pressure rod 84 drives the pressure block 87 to move downward, so that the pressure block 87 contacts the upper end surface of the tower, and the tower can be positioned. Since the support rings 85 and the support seat 6 at both ends have the same height, and the two pressure blocks 87 move synchronously, the two towers are on the same horizontal line after the towers are positioned, so that the welds between the towers can be aligned after positioning, which is convenient for welding. When it is necessary to adjust the position of the support seat 6, the handle 7 is pulled horizontally, and the handle 7 drives the fixed block 5 to move, and the fixed block 5 drives the slide seat 4 to move horizontally. At the same time, the slide seat 4 drives the slider 91 to slide along the guide rod 92, and the slider 91 will drive the protrusion 94 to slide horizontally. When the protrusion 94 slides along the inclined surface of the groove 93, a vertical displacement will occur, and the protrusion 94 will drive the connecting rod 95 and the connecting block 96 to move upward. The connecting block 96 squeezes the spring 97, which can make the protrusion 94 slide out of the groove 93. As the protrusion 94 moves in the horizontal direction, when the protrusion 94 slides to the groove 93 at another position, the elastic action of the spring 97 will make the protrusion 94 move down and insert, so that the position of the slider 91 can be adjusted and fixed, and then the position of the support seat 6 can be moved and adjusted in the horizontal direction, so that it can be conveniently used for supporting and positioning towers of different lengths.

[0023] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A wind turbine tower welding seam auxiliary alignment device, comprising a base plate (1), characterized in that: The top of the bottom plate (1) is fixedly connected to a support rod (2), the top of the support rod (2) is fixedly connected to a top plate (3), the upper end of the bottom plate (1) is slidably connected to two symmetrically distributed slide seats (4), the top of the slide seat (4) is fixedly connected to a fixed block (5), the top of the fixed block (5) is fixedly connected to a support seat (6), the ends of the two slide seats (4) that are away from each other are fixedly connected to a handle (7), a positioning mechanism (8) is provided on the top plate (3), and an adjustment mechanism (9) is provided on the slide seat (4).

2. The wind turbine tower welding seam auxiliary alignment device according to claim 1, characterized in that: The positioning mechanism (8) comprises a motor (81), the top of the top plate (3) is fixedly connected to the motor (81), the output end of the motor (81) is rotatably connected to the top plate (3), the lower end of the output end of the motor (81) is fixedly connected to a screw rod (82), the outer side of the screw rod (82) is connected to a connecting plate (83) by threading, the lower end of the connecting plate (83) is fixedly connected to two symmetrically distributed pressure rods (84), the outer side of the pressure rod (84) is slidably sleeved with a support ring (85), the front and rear ends of the support ring (85) are fixedly connected to brackets (88), the bracket (88) is fixedly connected to the top plate (3), and the lower end of the pressure rod (84) is fixedly connected to a pressure block (87).

3. The wind turbine tower welding seam auxiliary alignment device according to claim 2, characterized in that: A guide groove (86) is provided inside the support ring (85), and a pressure rod (84) is slidably connected inside the guide groove (86).

4. The wind turbine tower welding seam auxiliary alignment device according to claim 1, characterized in that: The adjusting mechanism (9) comprises a slider (91), the lower end of the slider (4) is fixedly connected with the slider (91), the slider (91) is slidably connected to the base plate (1), the slider (91) is slidably sleeved with a guide rod (92) inside, the guide rod (92) is fixedly connected to the base plate (1), a groove (93) is provided inside the guide rod (92), a convex block (94) is slidably connected inside the groove (93), a connecting rod (95) is fixedly connected to the upper end of the convex block (94), a connecting rod (95) is fixedly connected to the upper end of the connecting rod (95), the connecting block (96) is fixedly connected to the slider (91), the slider (91) is provided with a spring (97), the slider (91) is movably sleeved with a ball (98), and the ball (98) is slidably connected to the guide rod (92).

5. The wind turbine tower welding seam auxiliary alignment device according to claim 4, characterized in that: There are a plurality of grooves (93), and the plurality of grooves (93) are evenly distributed on the guide rod (92).

6. The wind turbine tower welding seam auxiliary alignment device according to claim 4, characterized in that: One end of the spring (97) is fixedly connected to the connecting block (96), and the other end of the spring (97) is fixedly connected to the sliding block (91).

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