Thermal power plant pipeline welding butt joint auxiliary tool

Abstract

The utility model provides a thermal power plant pipeline welding butt joint auxiliary tool, which relates to the technical field of thermal power plant construction and maintenance and comprises a clamping mechanism, a driving mechanism and a supporting mechanism. The clamping mechanism comprises a first lantern ring and a second lantern ring, the second lantern ring is located on one side of the first lantern ring, the first lantern ring and the second lantern ring respectively comprise an upper half lantern ring and a lower half lantern ring, and the two ends of the upper half lantern ring and the two ends of the lower half lantern ring are connected through clamping bolts and clamping nuts. The problem that in the traditional thermal power plant pipeline welding process, due to limitation of the size and the position of a pipeline, the accuracy and the stability of butt joint are frequently challenged is solved. An existing butt joint tool lacks flexibility, is tedious in operation and is not easy to adapt to special requirements of various pipelines.

Description

Technical Field

[0001] The utility model belongs to the technical field of thermal power plant construction and maintenance, and more specifically relates to an auxiliary tool for thermal power plant pipeline welding and butt jointing. Background Art

[0002] Pipeline welding and butt welding are essential components of thermal power plant construction and maintenance. However, traditional butt welding methods often rely on manual labor and complex equipment, resulting in issues such as poor precision, complex operation, and low efficiency. These issues are particularly acute in the harsh environments of thermal power plants, characterized by high temperatures, high pressures, and dust, making butt welding even more challenging and requiring higher technical skills from workers. Therefore, the development of a simple, efficient, and safe tool to assist with pipe welding and butt welding is crucial.

[0003] In traditional thermal power plant pipeline welding, the accuracy and stability of butt joints are often challenged due to limitations in pipe size and position. Existing butt joint tools lack flexibility, are cumbersome to operate, and are not easily adapted to the specific requirements of various pipelines. Utility Model Content

[0004] In order to solve the above technical problems, the utility model provides a thermal power plant pipeline welding butt auxiliary tool to solve the existing problems.

[0005] The utility model of the auxiliary tool for welding and butting of thermal power plant pipelines is achieved by the following specific technical means:

[0006] A thermal power plant pipeline welding butt auxiliary tool: comprising a clamping mechanism, a driving mechanism and a supporting mechanism; the clamping mechanism comprises a first sleeve ring and a second sleeve ring, the second sleeve ring is located on one side of the first sleeve ring, the first sleeve ring and the second sleeve ring respectively comprise an upper sleeve ring and a lower sleeve ring, and the ends of the upper sleeve ring and the lower sleeve ring are connected by a clamping bolt and a clamping nut.

[0007] Furthermore; the supporting mechanism includes: a left support and a right support; the lower half of the first ring is fixed on the left support of the supporting mechanism, and the lower half of the second ring is fixed on the driving mechanism; one end of the driving mechanism is fixed on the left support of the supporting mechanism, and the other end is fixed on the right support.

[0008] Furthermore, the first ring and the second ring of the clamping mechanism both include upper and lower half rings, and two threaded holes are opened at both ends of the rings. The two ends of the rings are fixed into one body by two sets of clamping bolts. The middle part of the first ring and the second ring forms a hollow space for accommodating the pipes to be connected. Four sets of adjustment threaded holes are opened on the rings respectively, and the adjusting nuts are welded to the rings. The pipes to be welded are clamped and the docking position is adjusted by the adjusting bolts; two sets of screw holes are opened on the side of the lower half rings of the first ring and the second ring for connecting with the support mechanism.

[0009] Furthermore; the left support shell is provided with two bolt holes, two screw holes and a through hole; the right support of the support mechanism has two sets of screw holes and a through hole; the lower half of the first ring is fixed to the left support of the support mechanism by two sets of bolts.

[0010] Furthermore, the driving mechanism includes: a gear, a rack, a gear box, a transmission shaft, a No. 1 bearing, a No. 2 bearing, and a handwheel; one end of the rack of the driving mechanism passes through the through hole of the left support of the supporting mechanism, and the rack is fixed to the left support by two sets of screws; the other end of the rack passes through the through hole of the right support, and the rack is also fixed to the right support by two screws; the gear and the transmission shaft of the driving mechanism are interference fit, one end of the transmission shaft passes through the No. 1 bearing and is fixed to the handwheel by a semicircular key; the other end cooperates with the No. 2 bearing; the No. 1 bearing and the No. 2 bearing are fixed on both sides of the gear box, and there are two sets of bolt holes on the gear box to fix the gear box on the second ring. At the same time, a through hole is opened on the gear box, and the rack of the driving device passes through the through hole on the gear box.

[0011] Compared with the prior art, the present invention has the following beneficial effects:

[0012] 1. The utility model provides a simple and efficient auxiliary tool for welding and butt jointing of thermal power plant pipelines, which can effectively solve the problems existing in traditional methods; the utility model provides an auxiliary tool for welding and butt jointing of thermal power plant pipelines. The advantages of the tool are: it can realize the rapid butt jointing of pipelines of various diameters, can solve the situation where the position is complex or high-precision butt jointing is required, and the butt jointing tool is simple and convenient to manufacture and has low cost. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 The present invention is a schematic diagram of the overall structure of a thermal power plant pipeline welding butt auxiliary tool.

[0014] Figure 2 It is a schematic diagram of the first ring structure of the clamping mechanism.

[0015] Figure 3 It is a schematic diagram of the driving mechanism structure.

[0016] Figure 4It is a schematic diagram of the gear rack structure of the driving mechanism.

[0017] Figure 5 It is a schematic diagram of the transmission shaft of the drive mechanism.

[0018] In the figure, the corresponding relationship between the component names and the drawing numbers is as follows:

[0019] 1. First pipe; 2. First collar; 3. Clamping bolt; 4. Second collar; 5. Second pipe; 7. Right support; 8. Handwheel; 10. Gearbox; 11. Bolt hole; 12. Rack; 13. Clamping nut; 14. Left support; 15. Bolt; 16. Through hole; 17. Upper collar; 18. Lower collar; 19. Screw hole; 20. Bearing No. 1; 21. Bearing No. 2; 22. Drive shaft; 23. Gear; 24. Adjusting bolt; 25. Adjusting nut. DETAILED DESCRIPTION

[0020] The present invention will be further described below with reference to specific embodiments. The advantages and features of the present invention will become clearer as the description proceeds. However, these embodiments are merely exemplary and do not limit the scope of the present invention in any way. Those skilled in the art will appreciate that the details and form of the technical solution of the present invention may be modified or replaced without departing from the spirit and scope of the present invention, and that such modifications and replacements fall within the scope of protection of the present invention.

[0021] Example:

[0022] As attached Figure 1 To the attached Figure 5 As shown:

[0023] The utility model provides a thermal power plant pipeline welding butt auxiliary tool, comprising a clamping mechanism, a driving mechanism and a supporting mechanism; the clamping mechanism comprises a first sleeve ring 2 and a second sleeve ring 4, the second sleeve ring 4 is located on one side of the first sleeve ring 2, the first sleeve ring 2 and the second sleeve ring 4 respectively comprise an upper sleeve ring 17 and a lower sleeve ring 18, and both ends of the upper sleeve ring 17 and the lower sleeve ring 18 are connected by a clamping bolt 3 and a clamping nut 13.

[0024] Among them, the supporting mechanism includes: a left support 14 and a right support 7; the lower half ring 18 of the first ring 2 is fixed on the left support 14 of the supporting mechanism, and the lower half ring 18 of the second ring 4 is fixed on the driving mechanism; one end of the driving mechanism is fixed on the left support 14 of the supporting mechanism, and the other end is fixed on the right support 7.

[0025] Among them, the first ring 2 and the second ring 4 of the clamping mechanism both include upper and lower half rings 18, and two threaded holes are opened at both ends of the ring. The two ends of the ring are fixed into one body by two sets of clamping bolts 3. The middle part of the first ring 2 and the second ring 4 forms a hollow space for accommodating the pipe to be docked. Four groups of adjustment threaded holes are opened on the rings respectively, and the adjusting nuts 25 are welded to the rings. The pipes to be welded are clamped and the docking position is adjusted by adjusting bolts 24; two groups of screw holes 19 are opened on the side of the lower half ring 18 of the first ring 2 and the second ring 4 for connecting with the support mechanism.

[0026] Among them, two bolt holes 11, two screw holes 19 and a through hole 16 are opened on the outer shell of the left support 14; there are two groups of screw holes 19 and a through hole 16 on the right support 7 of the support mechanism; the lower half ring 18 of the first ring 2 is fixed to the left support 14 of the support mechanism by two groups of bolts 15.

[0027] Among them, the driving mechanism includes: a gear 23, a rack 12, a gear box 10, a transmission shaft 22, a No. 1 bearing 20, a No. 2 bearing 21, and a handwheel 8; one end of the rack 12 of the driving mechanism passes through the through hole 16 of the left support 14 of the support mechanism, and the rack 12 is fixed to the left support 14 by two sets of screws; the other end of the rack 12 passes through the through hole 16 of the right support 7, and the rack 12 is also fixed to the right support 7 by two screws; the gear 23 of the driving mechanism and the transmission shaft 22 are interference fit, one end of the transmission shaft 22 passes through the No. 1 bearing 20 and is fixed to the handwheel 8 by a semicircular key; the other end is matched with the No. 2 bearing 21; the No. 1 bearing 20 and the No. 2 bearing 21 are fixed on both sides of the gear box 10, and there are two sets of bolt holes 11 on the gear box 10 to fix the gear box 10 on the second ring 4. At the same time, a through hole 16 is opened on the gear box 10, and the rack 12 of the driving device passes through the through hole 16 on the gear box 10).

[0028] The specific usage and function of this embodiment are as follows:

[0029] In the present invention, when the outer diameter of the pipe to be butted is equal to the inner diameter of the cross section of the hollow space, the butt clearance between the first pipe 1 and the second pipe 5 is preliminarily adjusted by the first sleeve ring 2 and the second sleeve ring 4, and then the pipe to be butted is fixed by the clamping bolt 3, and then the hand wheel 8 of the driving mechanism is rotated, and the butt distance between the second pipe 5 to be welded and the first pipe 1 is adjusted by the gear 23 and the rack 12. When the butt distance meets the distance of the welding process, the next welding process is carried out; when the outer diameter of the pipe to be butted is smaller than the inner diameter of the cross section of the hollow space, the first pipe 1 and the second pipe 5 are first passed through the clamping mechanism, and then the four groups of adjusting bolts 24 on the first sleeve ring 2 and the second sleeve ring 4 are adjusted at the same time. The first pipe 1 and the second pipe 5 are placed on the same horizontal line by adjusting the adjusting bolts 24, and the clamping is preliminarily completed. Then the butt clearance between the first pipe 1 and the second pipe 5 to be welded is adjusted by the driving mechanism, and then the pipe to be butted is fixed by the adjusting bolt 24. After the fixing is completed, the next welding process is carried out.

[0030] The above is only a preferred specific implementation method of the present invention, but the protection scope of the present invention is not limited to this. Any technician familiar with the technical field within the technical scope disclosed by the present invention can make equivalent replacements or changes based on the technical solution and utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A thermal power plant pipeline welding butt auxiliary tool, comprising a clamping mechanism, a driving mechanism and a supporting mechanism; characterized in that: The clamping mechanism comprises a first sleeve ring (2) and a second sleeve ring (4), wherein the second sleeve ring (4) is located on one side of the first sleeve ring (2), and the first sleeve ring (2) and the second sleeve ring (4) respectively comprise an upper sleeve ring (17) and a lower sleeve ring (18), and the upper sleeve ring (17) and the lower sleeve ring (18) are connected at both ends by a clamping bolt (3) and a clamping nut (13). The driving mechanism comprises: a gear (23), a rack (12), a gear box (10), a transmission shaft (22), a No. 1 bearing (20), a No. 2 bearing (21), and a hand wheel (8); one end of the rack (12) of the driving mechanism passes through a through hole (16) of a left support (14) of the supporting mechanism, and the rack (12) is fixed to the left support (14) by two sets of screws; The other end of the rack (12) passes through the through hole (16) of the right support (7), and the rack (12) is fixed to the right support (7) by two screws; the gear (23) of the driving mechanism is interference fit with the transmission shaft (22), one end of the transmission shaft (22) passes through the No. 1 bearing (20) and is fixed to the hand wheel (8) by a semicircular key; the other end is matched with the No. 2 bearing (21); the No. 1 bearing (20) and the No. 2 bearing (21) are fixed to both sides of the gear box (10), and there are two groups of bolt holes (11) on the gear box (10) to fix the gear box (10) on the second ring (4). At the same time, a through hole (16) is opened on the gear box (10), and the rack (12) of the driving device passes through the through hole (16) on the gear box (10).

2. The auxiliary tool for pipe welding and butt jointing in thermal power plants according to claim 1, characterized in that: The support mechanism comprises: a left support (14) and a right support (7); the lower half of the first ring (2) (18) is fixed to the left support (14) of the support mechanism, and the lower half of the second ring (4) (18) is fixed to the driving mechanism; one end of the driving mechanism is fixed to the left support (14) of the support mechanism, and the other end is fixed to the right support (7).

3. The auxiliary tool for pipe welding and butt jointing in thermal power plants according to claim 1, characterized in that: The first sleeve ring (2) and the second sleeve ring (4) of the clamping mechanism each include an upper and lower sleeve ring (18), two threaded holes are provided at both ends of the sleeve ring, and the two ends of the sleeve ring are fixed to form a whole by two sets of clamping bolts (3). The middle of the first sleeve ring (2) and the second sleeve ring (4) forms a hollow space for accommodating the pipe to be connected, and four sets of adjustment threaded holes are respectively provided on the sleeve rings. The adjustment nuts (25) are welded to the sleeve rings, and the pipe to be welded is clamped and the docking position is adjusted by the adjustment bolts (24); two sets of screw holes (19) are provided on the side of the lower sleeve ring (18) of the first sleeve ring (2) and the second sleeve ring (4) for connecting with the support mechanism.

4. The auxiliary tool for pipe welding and butt jointing in thermal power plants according to claim 2, characterized in that: The outer shell of the left support (14) is provided with two bolt holes (11), two screw holes (19) and a through hole (16); the right support (7) of the support mechanism is provided with two groups of screw holes (19) and a through hole (16); the lower half ring (18) of the first ring (2) is fixed to the left support (14) of the support mechanism by two groups of bolts (15).

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