Rotary auxiliary device for boiler welding

Abstract

The utility model discloses a rotary auxiliary device for boiler welding, which comprises a main plate, a plurality of groups of first support rods are arranged on the main plate, the plurality of groups of first support rods are respectively and rotatably connected with two groups of first roller bodies through bearings, and spline shafts are fixedly connected onto the two groups of first roller bodies. When two groups of furnace barrels are respectively placed between the two groups of first roller bodies and the second roller bodies for butt welding, the worm and the worm gear are used for driving the spline shaft, the first roller bodies and the second roller bodies to rotate, due to the self-locking characteristics of the worm and the worm gear, the furnace barrels can be enabled to be placed in a standing mode, then welding is carried out, the welding stability of the furnace barrels is guaranteed, and meanwhile welding efficiency is improved. The spline shaft can drive the first roller body and the second roller body to rotate synchronously, so that the furnace barrels corresponding to the first roller body and the second roller body can turn over synchronously, and the problem that one group of furnace barrels drive the other group of furnace barrels to turn over to generate torque, so that the welding positions of the two groups of furnace barrels are fractured, and the welding of the furnace barrels is influenced can be avoided.

Description

Technical Field

[0001] The utility model relates to the technical field related to boiler processing, in particular to a rotation auxiliary device for boiler welding. Background Art

[0002] When the boiler is being processed, in order to facilitate the welding work of the tank boiler shell, a rotation auxiliary device is used during boiler welding. The existing announcement number is: CN218695613U, a rotation auxiliary device for boiler welding, the two furnace drums are placed on the first roller and the second roller respectively, and the welding surfaces of the two furnace drums are first spot welded to connect the two furnace drums, and then during welding, the second motor is used to drive the second roller to rotate, so that the two furnace drums can rotate synchronously. During the welding operation, the first motor is started, the first motor drives the threaded rod to rotate, and the movable plate drives the arc block to move up, so that the rubber pad is close to the bottom of the first roller, and then the position of the first roller is limited, thereby avoiding the rotation of the furnace drum during welding.

[0003] The above-mentioned problem is that a motor is used to drive one group of rollers as the active one and the other rollers as the driven one. Although it can drive the two groups of furnace drums to rotate, the two groups of furnace drums have a certain weight. When one group of furnace drums drives the other group of furnace drums to flip, torque may be generated, causing the welding points of the two groups of furnace drums to break, thereby affecting the welding of the furnace drums. Utility Model Content

[0004] The utility model aims to solve the shortcomings in the prior art and proposes a rotary auxiliary device for boiler welding.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] A rotation auxiliary device for boiler welding comprises a main board, wherein the main board is provided with a plurality of groups of first support rods, wherein the plurality of groups of the first support rods are rotatably connected to two groups of first roller bodies through bearings respectively, and spline shafts are fixedly connected to the two groups of the first roller bodies, and a through opening is processed on the main board, wherein a screw is rotatably connected to the through opening through a bearing, and a sub-plate is threadedly connected to the outer wall of the screw, and two groups of second support rods are provided at the sub-plate, wherein the two groups of the second support rods are rotatably connected to the second roller bodies through bearings, and the two groups of the second roller bodies are respectively slidably connected to the corresponding spline shafts, and a motor is installed on the main board, and a worm is installed at the output end of the motor, and a worm wheel is meshedly connected to the worm, and the worm wheel is fixedly connected to the corresponding spline shaft.

[0007] Preferably, the main board is rotatably connected to a double-headed screw via a bearing, and the double-headed screw is threadably connected to the corresponding two groups of the first support rods.

[0008] Preferably, the outer walls of the plurality of groups of the first roller bodies and the second roller bodies are all fixedly connected with rubber sleeves.

[0009] Preferably, two groups of second slide rails are fixedly connected to the main board, one group of second slide rails is fixedly connected to the sub-board, and a plurality of groups of second slide rails are respectively slidably connected to the corresponding first support rod or second support rod.

[0010] Preferably, two groups of first slide rails are processed at the through opening, and the two groups of first slide rails are slidably connected to the sub-plate.

[0011] Preferably, a first handle is fixedly connected to the screw rod, and bases are fixedly connected to the four corners of the bottom end of the main board.

[0012] Preferably, a second handle is fixedly connected to one end and the other end of the double-headed screw.

[0013] The beneficial effects of the utility model are:

[0014] 1. Through the coordination among the set main board, the first support rod, the first roller body, the spline shaft, the screw rod, the auxiliary plate, the second support rod, the second tube body, the motor, the worm and the worm wheel, when two groups of furnace drums are respectively placed between the two groups of first roller bodies and the second roller bodies for butt welding, the spline shaft, the first roller body and the second roller body are driven to rotate by the worm and the worm wheel. Due to the self-locking characteristics of the worm and the worm wheel, the furnace drum can be placed still and then welded. While ensuring the welding stability of the furnace drum, the spline shaft can drive the first roller body and the second roller body to rotate synchronously, and then the furnace drums corresponding to the first roller body and the second roller body can be turned synchronously, which can avoid the problem that one group of furnace drums drives the other group of furnace drums to turn over and generate torque, causing the welding joints of the two groups of furnace drums to break, thereby affecting the welding of the furnace drums;

[0015] 2. Through the cooperation between the double-headed screw, the first support rod and the second support rod, the double-headed screw can be used to pull the two rows of first rollers and the second rollers to adjust the spacing, thereby facilitating the welding and placement operations of furnace drums of different calibers to a certain extent. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a structural schematic diagram of a rotary auxiliary device for boiler welding proposed by the utility model;

[0017] Figure 2 for Figure 1 A schematic diagram of the structure of the middle main board, the first support rod and the first roller body;

[0018] Figure 3 for Figure 1 Schematic diagram of the structure of the worm, worm wheel and double-start screw;

[0019] Figure 4 for Figure 1 Schematic diagram of the structure of the central port, screw and sub-plate;

[0020] Figure 5 for Figure 1 Schematic diagram of the structure of the second roller body, rubber sleeve and second slide rail.

[0021] In the figure: 1. main board; 2. first support rod; 3. first roller body; 4. spline shaft; 5. through port; 6. screw rod; 7. sub-plate; 8. second support rod; 9. second roller body; 10. motor; 11. worm; 12. worm gear; 13. double-headed screw; 14. rubber sleeve; 15. first slide rail; 16. first handle; 17. second slide rail; 18. base; 19. second handle. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0023] Example 1, reference Figures 1 to 5 , a rotary auxiliary device for boiler welding, comprising a main board 1, on which are arranged a plurality of groups of first support rods 2, which are rotatably connected to two groups of first roller bodies 3 through bearings, respectively, and spline shafts 4 are fixedly connected to the two groups of first roller bodies 3, a through opening 5 is processed on the main board 1, and a screw rod 6 is rotatably connected to the through opening 5 through a bearing, and a sub-plate 7 is threadedly connected to the outer wall of the screw 6, and the screw 6 can drive the sub-plate 7 to move laterally, so that the furnace drums on the two groups of second roller bodies 9 can be placed in affixed with the furnace drums placed at the two groups of first roller bodies 3, so as to facilitate the welding operation of the two groups of furnace drums, two groups of second support rods 8 are arranged at the sub-plate 7, and the two groups of second support rods 8 are rotatably connected to the second roller bodies 9 through bearings, and the two groups of second roller bodies 9 are respectively slidably connected to the corresponding spline shafts 4, and when the second roller body 9 follows the sub-plate 7 for lateral position adjustment, the second roller body 9 can be adjusted at the spline shaft 4, and a motor 10 is installed on the main board 1, and the motor The model of the machine 10 is selected according to actual working requirements. A worm 11 is installed at the output end of the motor 10, and a worm wheel 12 is meshed and connected at the worm 11. The worm 11 and the worm wheel 12 are self-locking, and when the worm 11 and the worm wheel 12 stop transmitting, the corresponding spline shaft 4, the first roller body 3 and the second roller body 9 cannot rotate, thereby ensuring the placement stability of the furnace drum during welding. At the same time, after the distance between the two sets of spline shafts 4 is adjusted, a worm 11 of appropriate length can be installed to mesh and connect with the worm wheel 12 for driving work. The worm wheel 12 is fixedly connected to the corresponding spline shaft 4, and the spline shaft 4 can be used to synchronously drive the corresponding first roller body 3 and the second roller body 9 to rotate at one time, so that the two sets of furnace drums placed at the first roller body 3 and the second roller body 9 can rotate synchronously, which can avoid the problem that one set of furnace drums drives the other set of furnace drums to flip and generate torque, causing the welding points of the two sets of furnace drums to break, thereby affecting the welding of the furnace drums.

[0024] In this embodiment, the main board 1 is connected to a double-headed screw 13 through a bearing rotation, and the double-headed screw 13 is threadedly connected to the corresponding two groups of first support rods 2. By rotating the double-headed screw 13, multiple groups of first support rods 2, second support rods 8 and spline shafts 4 can be pulled to move synchronously, so that the spacing between the two rows of first rollers 3 and second rollers 9 can be adjusted, and furnace drums of different diameters can be conveniently placed for welding. The outer walls of multiple groups of first rollers 3 and second rollers 9 are fixedly connected to rubber sleeves 14, and the rubber sleeves 14 are used to increase the contact friction between the first rollers 3 and second rollers 9 and the furnace drum. Two groups of second slide rails 17 are fixedly connected to the main board 1, and a group of second slide rails 17 are fixedly connected to the auxiliary plate 7. Rail 17, multiple groups of second slide rails 17 are respectively slidably connected to the corresponding first support rod 2 or the second support rod 8, the second slide rail 17 is used to increase the lateral movement stability of the corresponding first support rod 2 or the second support rod 8, two groups of first slide rails 15 are processed at the opening 5, the two groups of first slide rails 15 are slidably connected to the auxiliary plate 7, the first slide rail 15 can increase the lateral movement stability of the auxiliary plate 7, a first handle 16 is fixedly connected to the screw rod 6, the first handle 16 is used to drive the screw rod 6 to rotate, the four corners of the bottom end of the main board 1 are fixedly connected to the base 18, one end and the other end of the double-headed screw rod 13 are fixedly connected to the second handle 19, the second handle 19 is used to drive the double-headed screw rod 13 to rotate.

[0025] The working principle of this embodiment is as follows: when in use, the second handle 19 can be first driven to rotate the double-headed screw 13, and the double-headed screw 13 can pull the two groups of corresponding first support rods 2 to adjust the spacing, and then the two groups of spline shafts 4 can be pulled to drive the corresponding first roller bodies 3, second roller bodies 9, second support rods 8 and other first support rods 2 to move synchronously, and then the spacing between the two rows of first roller bodies 3 and second roller bodies 9 can be adjusted, which can facilitate the placement of furnace drums of different calibers at the two rows of first roller bodies 3 and second roller bodies 9. After adjustment, a worm 11 of appropriate length is installed at the motor 10, and the worm 11 is connected to the worm wheel 12 After connection, the two groups of furnace drums are placed on the two groups of first roller bodies 3 and the two groups of second roller bodies 9 respectively. After placement, the first handle 16 is used to drive the screw 6 to rotate, and the auxiliary plate 7 drives the two groups of second roller bodies 9 and the corresponding furnace drums to slide on the outer walls of the two groups of spline shafts 4, so that the two groups of furnace drums can be placed in a close fit. After fitting, the motor 10 is connected to the external power supply and the drive device, and the self-locking transmission of the worm 11 and the worm wheel 12 is cooperated, so that a group of spline shafts 4 can drive the corresponding first roller bodies 3 and the second roller bodies 9 to rotate synchronously, and then the two groups of furnace drums can rotate synchronously for comprehensive welding operations.

[0026] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A rotation auxiliary device for boiler welding, comprising a main board (1), characterized in that: The main board (1) is provided with a plurality of groups of first support rods (2), the plurality of groups of first support rods (2) are rotatably connected to the two groups of first roller bodies (3) via bearings, the two groups of first roller bodies (3) are both fixedly connected with a spline shaft (4), the main board (1) is processed with a through hole (5), the through hole (5) is rotatably connected to a screw rod (6) via a bearing, the outer wall of the screw rod (6) is threadedly connected to a sub-plate (7), the sub-plate (7) is provided with two groups of second support rods (8), the two groups of second support rods (8) are rotatably connected to a second roller body (9) via bearings, the two groups of second roller bodies (9) are respectively slidably connected to the corresponding spline shaft (4), the main board (1) is mounted with a motor (10), the output end of the motor (10) is mounted with a worm (11), the worm (11) is meshingly connected to a worm wheel (12), the worm wheel (12) is fixedly connected to the corresponding spline shaft (4).

2. A boiler welding rotation assist device according to claim 1, characterized in that: The main board (1) is rotatably connected to a double-headed screw (13) via a bearing, and the double-headed screw (13) is threadably connected to the corresponding two groups of the first support rods (2).

3. A boiler welding rotation assist device according to claim 1, characterized in that: The outer walls of the plurality of groups of the first roller bodies (3) and the second roller bodies (9) are all fixedly connected with rubber sleeves (14).

4. A boiler welding rotation assist device according to claim 1, characterized in that: Two groups of second slide rails (17) are fixedly connected to the main board (1), one group of second slide rails (17) is fixedly connected to the auxiliary board (7), and a plurality of groups of second slide rails (17) are respectively slidably connected to the corresponding first support rod (2) or second support rod (8).

5. The boiler welding rotation assist device according to claim 1, characterized in that: Two groups of first slide rails (15) are processed at the through opening (5), and the two groups of first slide rails (15) are slidably connected to the auxiliary plate (7).

6. A boiler welding rotation assist device according to claim 1, characterized in that: A first handle (16) is fixedly connected to the screw rod (6), and bases (18) are fixedly connected to the four corners of the bottom end of the main board (1).

7. A boiler welding rotation assist device according to claim 2, characterized in that: A second handle (19) is fixedly connected to one end and the other end of the double-headed screw rod (13).

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