Adjustable arc-shaped heating tool

Abstract

The utility model relates to the technical field of wind power tower drum equipment, in particular to an adjustable arc-shaped heating tool. Comprising a base and a heating pipe, the heating pipe is an arc-shaped pipe, a plurality of air guide holes are formed in one side of the heating pipe at intervals, burners are installed at the air guide holes, the heating pipe communicates with an air inlet branch pipe, an outer cylinder is fixed to the base, an inner cylinder is fixed in the outer cylinder, a mounting base is fixed to the upper end of the inner cylinder, and a rotating support is fixed to the mounting base; a first through hole is formed in the mounting base, an arc-shaped first through groove is formed in the lower portion of the rotating support, the first through hole is fixedly connected with the first through groove through a bolt, and the rotating support is fixedly connected with the heating pipe. The heating position of the burner on the heating pipe can be adjusted by adjusting the bolt fixing position of the first through hole and the first through groove, meanwhile, the height of the burner can be adjusted by adjusting the height of the inner barrel in the outer barrel, barrel sections of different heights are preheated, and the preheating efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of wind power tower equipment, in particular to an adjustable arc-shaped heating tool. Background Art

[0002] Wind power pile foundation and tower play a major supporting role in wind turbine generator sets. Wind power pile foundation and tower are made through the process of segmented welding and assembly, and the cylinder sections or steel plates with a thickness of more than 30mm need to be preheated before welding. The preheating temperature should reach 80-120 degrees Celsius before subsequent welding operations can be carried out to ensure the quality of welding. The existing preheating method is to use a roller frame to rotate the cylinder section after fixing the baking gun with a bracket to preheat the cylinder section. This method of heating the rotating cylinder section with a baking gun has a large heat loss. At the same time, the connection relationship of the baking gun fixed by the bracket is usually fixed and can only be applied to one preheating mode. It cannot be adjusted for different application scenarios, which affects the preheating efficiency. Summary of the invention

[0003] In order to solve the problem that the method of heating the rotating cylinder section by a baking gun has large heat loss and cannot be adjusted for different application scenarios, which affects the preheating efficiency, the utility model proposes an adjustable arc heating fixture. The heating position of the burner on the heating tube can be adjusted by adjusting the position of the first through hole and the first through slot bolt, and the height of the burner can be adjusted by adjusting the height of the inner cylinder in the outer cylinder, so as to realize the preheating of the cylinder sections of the tower tube with different heights and improve the preheating efficiency.

[0004] In order to achieve the above-mentioned purpose, the technical scheme of the utility model is: an adjustable arc-shaped heating tool, including a base and a heating tube, the heating tube is an arc-shaped tube, a plurality of air guide holes are arranged at intervals on one side of the heating tube, a burner is installed on the heating tube and each of the air guide holes, the heating tube is connected with an intake branch pipe, an outer cylinder is fixed on the base, an inner cylinder is fixed in the outer cylinder, a mounting seat is fixed on the upper end of the inner cylinder, a rotating support is fixed on the mounting seat, a first through hole is provided on the mounting seat, a first arc-shaped through groove is provided at the lower part of the rotating support, the first through hole and the first through groove are fixedly connected by bolts, the rotating support is fixedly connected with the heating tube, and the heating tube is located above the rotating support. The intake branch pipe is connected with an external welding preheating gas supply device, and an intake valve is provided on the intake branch pipe to facilitate opening and closing of preheating, and the preheating position of the burner on the heating tube is adjusted by adjusting the fixed position of the first through hole and the first through groove.

[0005] Furthermore, both ends of the heating tube are closed, and the air inlet branch pipe is arranged on the outer circumference side of the heating tube. The air inlet branch pipe is arranged on the outer circumference side of the heating tube to facilitate connection with external welding preheating gas supply equipment.

[0006] Furthermore, the outer cylinder is evenly provided with a plurality of second through holes, the inner cylinder is provided with a third through hole, the third through hole is adapted to the second through hole, and the second through hole and the third through hole are fixed by bolts. The second through hole passes through the outer cylinder, and the third through hole passes through the inner cylinder. When the height of the heating tube needs to be adjusted, the third through hole is fixed to the second through hole at a suitable height by bolts.

[0007] Furthermore, the mounting seat is arranged obliquely at the upper end of the inner cylinder, so as to adapt to the preheating mode of the side of the cylinder section.

[0008] Furthermore, the cross section of the rotating support is in an arc shape.

[0009] Furthermore, an inverted "T"-shaped second through slot is provided on the upper part of the rotating support, and a vertical portion of the second through slot passes through the upper part of the rotating support, and a fixing block adapted to the second through slot is fixed to the lower part of the heating tube, and a fourth through hole is passed through one side of the rotating support and the fixing block, and a connecting rod is passed through the fourth through hole. The cooperation of the fixing block and the second through slot realizes a detachable connection between the rotating support and the heating tube, which is convenient for assembly and subsequent replacement.

[0010] Furthermore, a stopper is provided in the second through groove to facilitate the installation of a connecting rod in the fourth through hole.

[0011] Furthermore, the heating tube is provided with a temperature sensor. The temperature sensor is welded on one side of the inner circle of the heating tube.

[0012] Through the above technical solution, the beneficial effects of the utility model are:

[0013] 1. After the bolts in the first through hole and the first through groove are loosened, the rotating bracket is in a free state. After the rotating bracket is adjusted to a suitable position, the bolts are tightened to fix the rotating bracket on the mounting base, so that the relative position of the heating tube can be adjusted, which is suitable for different application scenarios, such as preheating on the side of the tube or preheating under the tube.

[0014] 2. The utility model is provided with a plurality of second through holes on the outer cylinder body and a third through hole on the inner cylinder body. When the height of the heating tube needs to be adjusted, it is only necessary to loosen the bolts in the second through holes and the third through holes, and then adjust the position of the third through holes and then connect them with the second through holes by bolts to adjust the height of the heating tube, thereby improving the application scope of the device.

[0015] 3. The rotating bracket and the heating tube in the utility model are fixed by inserting a connecting rod through the second through groove and the fourth through hole on one side of the fixed block. The heating tube can be taken out by pulling out the connecting rod, thereby realizing a detachable connection between the rotating bracket and the heating tube, which is convenient for early assembly and subsequent replacement when damaged. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a schematic diagram of the structure of an adjustable arc-shaped heating tool of the utility model;

[0017] Figure 2 This is a schematic diagram of the connection structure between a mounting base and a rotating support of an adjustable arc-shaped heating tool of the utility model;

[0018] Figure 3 This is a schematic diagram of the structure of a fixing block on a combustion tube of an adjustable arc-shaped heating tool of the utility model;

[0019] Figure 4 The utility model is a structural schematic diagram of an adjustable arc-shaped heating tool when heating a cylinder section.

[0020] The numbers in the accompanying drawings are: 1 is a base, 2 is a heating tube, 3 is a burner, 4 is an air intake branch pipe, 5 is an outer cylinder, 6 is an inner cylinder, 7 is a mounting seat, 8 is a rotating support, 10 is a first through groove, 11 is a temperature sensor, 12 is a second through hole, 13 is a second through groove, 14 is a fixing block, 15 is a connecting rod, 16 is a cylinder section, and 17 is a roller frame. DETAILED DESCRIPTION

[0021] The utility model is further described below in conjunction with the accompanying drawings and specific embodiments:

[0022] like Figure 1 to Figure 4 As shown, this embodiment provides an adjustable arc heating tool, including a base 1 and a heating tube 2, wherein the heating tube 2 is an arc-shaped tube, and a plurality of air guide holes are arranged at intervals on one side of the inner circle of the heating tube 2, and a burner 3 is installed on the heating tube 2 and at each of the air guide holes, and the heating tube 2 is connected to an air intake branch pipe 4, both ends of the heating tube 2 are closed, and the air intake branch pipe 4 is arranged on the outer circle side of the heating tube 2.

[0023] Specifically, in the present embodiment, both ends of the heating tube 2 are closed. In another possible implementation mode, one end of the heating tube 2 is closed and the other end is connected to the air intake branch pipe 4. At the same time, an air intake valve is provided on the air intake branch pipe 4 in the present embodiment, and the other end of the air intake branch pipe 4 is connected to an external welding preheating gas supply device. The air intake valve is opened when preheating is required and closed when not required, which is more convenient to use.

[0024] Specifically, the base 1 is fixed with an outer cylinder 5, and the inner cylinder 6 is fixed in the outer cylinder 5. The outer cylinder 5 is evenly provided with a plurality of second through holes 12, and the second through holes 12 penetrate the outer cylinder 5. The inner cylinder 6 is provided with a third through hole, and the third through hole penetrates the inner cylinder 6 and is adapted to the second through hole 12. The second through hole 12 and the third through hole are fixed by bolts. Figure 1As shown, the inner cylinder 6 is in the lowest position. When the heating tube 2 needs to be raised, the bolts in the second through hole 12 and the third through hole are removed, and then the position of the inner cylinder 6 is lifted. At the appropriate position, the position of the second through hole 12 is adapted to the third through hole. At this time, the bolts are inserted into the second through hole 12 and the third through hole to raise the position of the heating tube 2.

[0025] A mounting seat 7 is fixed to the upper end of the inner cylinder 6, a rotating support 8 is fixed to the mounting seat 7, a first through hole 9 is provided on the mounting seat 7, a first arc-shaped through groove 10 is provided at the lower part of the rotating support 8, and the first through hole 9 and the first through groove 10 are fixedly connected by bolts; in this embodiment, the mounting seat 7 is tilted at the upper end of the inner cylinder 6 to achieve preheating of the side of the cylinder section 16. In another feasible embodiment, the mounting seat 7 is vertically arranged on the inner cylinder 6.

[0026] When the inclination of the heating tube 2 needs to be adjusted, the bolts and nuts in the first through hole 9 and the first through groove 10 are loosened. At this time, the rotating support 8 is in a free state on the mounting base 7. When the inclination of the heating tube 2 is adjusted to a suitable state, the bolts and nuts in the first through hole 9 and the first through groove 10 are tightened to fix the rotating support 8 and the mounting base 7 together.

[0027] The rotating support 8 is fixedly connected to the heating tube 2, and the heating tube 2 is located above the rotating support 8. The heating tube 2 is provided with a temperature sensor 11, which can measure the temperature of the cylinder section 16 in real time. When the temperature reaches the specified temperature value of the cylinder section 16, the preheating of the cylinder section 16 is completed. In this embodiment, the temperature sensor 11 is purchased from outside, and the production company is Wuxi Shiao Technology Co., Ltd., and the model is SA30AC.

[0028] As an implementation method, the cross section of the rotating support 8 is in an arc shape. In another implementation method, the rotating support 8 can be square or disc-shaped. When setting, the position interference between the rotating support 8 and the heating tube 2 can be taken into consideration.

[0029] As an implementation method, the upper part of the rotating support 8 is provided with an inverted "T"-shaped second through slot 13, the vertical part of the second through slot 13 passes through the upper part of the rotating support 8, the lower part of the heating tube 2 is fixed with a fixing block 14 adapted to the second through slot 13, the rotating support 8 and one side of the fixing block 14 are both penetrated by a fourth through hole, a connecting rod 15 is passed through the fourth through hole, and a stopper is provided in the second through slot 13 to facilitate the passing of the connecting rod 15 through the fourth through hole. Figure 2As shown, when the heating tube 2 needs to be disassembled, the connecting rod 15 in the fourth through hole is pulled out. At this time, the fixing block 14 is in an active state in the second through groove 13. The heating tube 2 can be removed by pulling out the fixing block 14. In this process, a stopper is provided in the second through groove 13. When the fixing block 14 enters a determined position of the second through groove 13 during installation, it is blocked by the stopper. At this time, the rotating support 8 and the fourth through hole on the fixing block 14 are in corresponding positions. At this time, the connecting rod 15 can be inserted. During disassembly, due to the stopper, the fixing block 14 can only be pushed out in the opposite direction of the original entry direction.

[0030] The tower of the existing wind turbine generator set is made of multiple sections of cylinder segments 16 through welding and assembly processes. The cylinder segments 16 or steel plates with a thickness of more than 30 mm need to be preheated before welding. The preheating of the existing cylinder segments 16 is to use a roller frame 17 to rotate the cylinder segment 16 and then use the device to preheat the cylinder segment 16 (such as Figure 4 as shown).

[0031] When in use, the relative position of the heating tube 2 needs to be adjusted according to different application scenarios (such as Figure 4 ), when it is necessary to raise the heating tube 2, remove the bolts in the second through hole 12 and the third through hole, and then adjust the position of the inner cylinder 6. At the appropriate position, the position of the second through hole 12 is adapted to the third through hole. At this time, insert the bolts into the second through hole 12 and the third through hole to adjust the position height of the heating tube 2, and then adjust the inclination of the heating tube 2 to a suitable state. At this time, open the intake valve on the intake branch pipe 4, and the burner 3 on the heating tube 2 can preheat the cylinder section 16. After preheating, close the intake valve.

[0032] The embodiments described above are only preferred embodiments of the present invention and are not intended to limit the scope of implementation of the present invention. Therefore, any equivalent changes or modifications made based on the structures, features and principles described in the patent scope of the present invention should be included in the patent application scope of the present invention.

Claims

1. An adjustable arc-shaped heating tool, comprising a base (1) and a heating tube (2), characterized in that: The heating tube (2) is an arc-shaped tube, a plurality of air guide holes are arranged at intervals on one side of the heating tube (2), a burner (3) is installed on the heating tube (2) and at each of the air guide holes, and the heating tube (2) is connected to an air intake branch pipe (4); An outer cylinder (5) is fixed on the base (1), an inner cylinder (6) is fixed in the outer cylinder (5), a mounting seat (7) is fixed on the upper end of the inner cylinder (6), a rotating support (8) is fixed on the mounting seat (7), a first through hole is provided on the mounting seat (7), a first arc-shaped through groove (10) is provided at the lower part of the rotating support (8), and the first through hole and the first through groove (10) are fixedly connected by bolts; The rotating support (8) is fixedly connected to the heating tube (2), and the heating tube (2) is located above the rotating support (8).

2. The adjustable arc heating tool according to claim 1, characterized in that: Both ends of the heating tube (2) are closed, and the air intake branch pipe (4) is arranged on the outer circumferential side of the heating tube (2).

3. The adjustable arc heating tool according to claim 1, characterized in that: The outer cylinder (5) is evenly provided with a plurality of second through holes (12), the inner cylinder (6) is provided with a third through hole, the third through hole is adapted to fit the second through hole (12), and the second through hole (12) and the third through hole are fixed by bolts.

4. The adjustable arc heating tool according to claim 1, characterized in that: The mounting seat (7) is arranged obliquely at the upper end of the inner cylinder (6).

5. The adjustable arc heating tool according to claim 1, characterized in that: The cross section of the rotating support (8) is in the shape of an arc.

6. The adjustable arc heating tool according to claim 1, characterized in that: The upper portion of the rotating support (8) is provided with an inverted "T"-shaped second through slot (13), the vertical portion of the second through slot (13) passes through the upper portion of the rotating support (8), the lower portion of the heating tube (2) is fixed with a fixing block (14) adapted to the second through slot (13), and one side of the rotating support (8) and the fixing block (14) are both penetrated by a fourth through hole, and a connecting rod (15) is passed through the fourth through hole.

7. The adjustable arc heating tool according to claim 6, characterized in that: A stopper is provided in the second through groove (13) to facilitate the installation of a connecting rod (15) through the fourth through hole.

8. The adjustable arc heating tool according to claim 1, characterized in that: The heating tube (2) is provided with a temperature sensor (11).

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