Small-space steam chamber welding tool

Abstract

The utility model discloses a welding tool for a small-space steam chamber, which is characterized by comprising a small rail car, wheels and a welding tool, the fixing rod is fixedly connected with the rail trolley, the fixing rod is fixedly connected with a guide round rod, and a bearing of the fixing rod is connected with a screw rod; the guide round rod penetrates through the moving cylinder, and the screw rod is in threaded connection with the moving cylinder; the moving rod is arranged in the moving cylinder; one end of the adjusting rod is rotationally connected with the fixed rod, and the other end of the adjusting rod is rotationally connected with the movable rod; the two clamp assemblies are fixedly connected with one ends of the adjusting rods respectively. The utility model relates to the technical field of welding, in particular to a small-space steam chamber welding tool. The technical problem to be solved by the utility model is to provide the welding tool for the small-space steam chamber, which is favorable for realizing the welding of the steam chamber.

Description

TECHNICAL FIELD

[0001] The utility model relates to welding technical field, specifically, a small space steam chamber welding frock. BACKGROUND

[0002] Steam enters the chamber set for balanced steam flow before the regulating valve after passing through the main steam valve. The upper half of the steam cylinder (high-pressure cylinder) of the partial steam extraction back pressure unit of the steam turbine is a two-stage steam chamber structure. Due to the limitations of casting molds and other conditions, the rear-stage steam chamber cannot be integrally cast and formed, and needs to be welded later, such as Figure 7 and 8 as shown.

[0003] Due to space limitations, the distance between the two-stage steam chambers is small (≤200mm), and the weld is a thick weld. The welding method is MAG welding, which makes it difficult to weld part of the weld of the steam chamber, the weld cannot be seen during welding, and there is no operating space, such as Figure 9 as shown. SUMMARY

[0004] The technical problem to be solved by the utility model is to provide a small space steam chamber welding frock, which is beneficial to realize steam chamber welding.

[0005] The utility model adopts the following technical scheme to realize the invention purpose:

[0006] A small space steam chamber welding frock, characterized by comprising: a track trolley, wheels connected to the four corners of the track trolley; a fixed rod fixedly connected to the track trolley, the fixed rod fixedly connected to a guide round rod, and the fixed rod bearing connected to a screw rod; a moving cylinder, the guide round rod penetrating through the moving cylinder, and the screw rod threadedly connected to the moving cylinder; a moving rod arranged in the moving cylinder; an adjusting rod, one end of the adjusting rod rotatably connected to the fixed rod, and the other end of the adjusting rod rotatably connected to the moving rod; and two clamp assemblies fixedly connected to one end of the adjusting rod. By adopting the adjusting rod and the clamp assembly, the welding gun is fixed, the height and angle of the welding gun are adjusted, and automatic welding is realized.

[0007] As a further limitation of the technical solution, the clamp assembly comprises a mounting plate fixedly connected to the adjusting rod, a square plate fixedly connected to the mounting plate, the square plate provided with a perforation, the square plate bearing connected to a gear ring, the square plate bearing connected to the center shaft of a group of gears, each gear meshing with the gear ring, each gear fixedly connected to a mounting rod, and each mounting rod fixedly connected to a clamping rod. By adopting gear and gear ring meshing, a group of clamping rods are synchronously moved, and the welding gun is fixed.

[0008] As a further limitation of the technical solution, the mounting plate is fixedly connected with the motor, and an output shaft of the motor is fixedly connected with a central shaft of one of the gears.

[0009] As a further limitation of the technical solution, the surface material of the clamping rod is rubber, which avoids damaging the welding gun.

[0010] As a further limitation of the technical solution, the screw rod is fixedly connected with the handle.

[0011] As a further limitation of the technical solution, the four wheels are respectively provided with V-shaped grooves, and the four V-shaped grooves are matched with symmetrical angle iron guide rails. The track trolley can run along the angle iron guide rail at a certain speed, facilitating the welding of the two-stage steam chamber.

[0012] As a further limitation of the technical solution, the wheels have a magnetic attraction function.

[0013] Compared with the related art, the small-space steam chamber welding tool has the following beneficial effects:

[0014] (1) The device can adjust the height and angle of the welding gun according to the size of the space, and realize automatic welding.

[0015] (2) The device adopts a clamp assembly, which facilitates clamping of welding guns of different models and sizes.

[0016] (3) The track trolley of the device can run along the angle iron guide rail at a certain speed, facilitating the welding of the two-stage steam chamber. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 The welding schematic view of the present application.

[0018] Figure 2 The three-dimensional structure schematic view of the present application.

[0019] Figure 3 The three-dimensional structure schematic view of the clamp assembly of the present application Figure 1 .

[0020] Figure 4 The three-dimensional structure schematic view of the clamp assembly of the present application Figure 2 .

[0021] Figure 5 The partial three-dimensional structure schematic view of the present application Figure 1 .

[0022] Figure 6 The partial three-dimensional structure schematic view of the present application Figure 2 .

[0023] Figure 7 is a schematic view of a welding position.

[0024] Figure 8 is a top view. Figure 7 is a schematic view of a welding position.

[0025] Figure 9 is a schematic view of a welding position.

[0026] In the figure: 1, track trolley, 2, guide round bar, 3, screw rod, 4, handle, 5, wheel, 6, angle iron guide rail, 7, moving cylinder, 8, moving rod, 9, fixed rod, 10, adjusting rod, 11, square plate, 12, gear, 13, gear ring, 14, mounting rod, 15, clamping rod, 16, perforation, 17, motor, 18, mounting plate. DETAILED DESCRIPTION

[0027] The utility model will be further described below in combination with the drawings and embodiments.

[0028] Embodiment one: a small space steam chamber welding tool, including: track trolley 1, the four corners of track trolley 1 are connected with wheel 5 respectively;Fixed rod 9 is fixedly connected with track trolley 1, fixed rod 9 is fixedly connected with guide round bar 2, and fixed rod 9 is bearingly connected with screw rod 3;Moving cylinder 7 passes through guide round bar 2, and screw rod 3 is threadedly connected with moving cylinder 7;Moving rod 8 is arranged in moving cylinder 7;Adjusting rod 10 is rotatably connected with one end of fixed rod 9, and the other end of adjusting rod 10 is rotatably connected with moving rod 8;Two clamp assemblies are fixedly connected with one end of adjusting rod 10 respectively.By adopting adjusting rod 10 and clamp assembly, the fixing of welding torch is realized, the height and angle of welding torch are adjusted, and automatic welding is realized.

[0029] Screw rod 3 has self-locking function.

[0030] The clamp assembly comprises mounting plate 18, mounting plate 18 is fixedly connected with adjusting rod 10, mounting plate 18 is fixedly connected with square plate 11, square plate 11 is provided with perforation 16, square plate 11 is bearingly connected with gear ring 13, and square plate 11 is bearingly connected with the central shaft of a group of gears 12, each gear 12 is meshed with gear ring 13 respectively, each gear 12 is fixedly connected with mounting rod 14 respectively, and each mounting rod 14 is fixedly connected with clamping rod 15 respectively.By adopting gear and gear ring meshing, the synchronous movement of a group of clamping rods 15 is realized, and the fixing of welding torch is realized.

[0031] Mounting plate 18 is fixedly connected with motor 17, and the output shaft of motor 17 is fixedly connected with the central shaft of one gear 12.By adopting motor 17 driving, power is provided for the movement of clamping rod 15.

[0032] The motor 17 is a GA12-N20 micro DC gear reduction motor.

[0033] The surface material of the clamping rod 15 is rubber, which avoids damaging the welding gun.

[0034] The screw rod 3 is fixedly connected with the handle 4.

[0035] The track trolley 1 is mainly driven by a variable frequency motor and a gear box, and can realize speed adjustment and forward and backward movement.

[0036] The overall height of the device is controlled within 80mm.

[0037] The working principle of the small-space steam chamber welding tool is as follows:

[0038] The high-pressure cylinder is vertically placed and flattened, so that the welding seam is in a flat welding position.

[0039] According to the welding seam depth and the workpiece operation space, the most suitable clamping angle and welding gun height are selected, and the welding gun is a long-handle MAG welding gun.

[0040] The long-handle MAG welding gun is inserted through the through hole 16, the control motor 17 is rotated, the motor 17 drives a gear 12 to rotate, the gear 12 drives a gear ring 13 to rotate, the gear ring 13 drives the remaining gears 12 to rotate, the gear 12 drives the mounting rod 14 to swing, and the mounting rod 14 drives the clamping rod 15 to swing, so that the clamping rod 15 clamps the long-handle MAG welding gun.

[0041] The handle 4 is rotated, the handle 4 drives the screw rod 3 to rotate, the screw rod 3 drives the moving cylinder 7 to move along the guide circular rod 2, the moving cylinder 7 drives the moving rod 8 to move, the moving rod 8 drives the adjusting rod 10 to swing, the adjusting rod 10 drives the moving rod 8 to move along the moving cylinder 7, the adjusting rod 10 drives the clamp assembly to swing, and the welding gun angle adjustment is realized.

[0042] In the embodiment, four wheels 5 are respectively provided with V-shaped grooves, and the four V-shaped grooves are matched with symmetrical angle iron guide rails 6. The track trolley 1 can run along the angle iron guide rail 6 at a certain speed, and the welding of the two-stage steam chamber is conveniently realized.

[0043] The wheels 5 have a magnetic attraction function.

[0044] The angle iron guide rail 6 is made of angle iron, and the wheels 5 have a magnetic attraction function, which facilitates parking when the track trolley 1 stops moving.

[0045] The working principle of the small-space steam chamber welding tool is as follows:

[0046] The angle iron guide 6 is fixed to the cylinder plane after the welding gun angle and height are adjusted, and the wheel 5 moves along the angle iron guide 6 to realize welding.

[0047] The above only describes the embodiments of the present application, and does not limit the patent scope of the present application, and any equivalent structure or equivalent process transformation, or direct or indirect application in other related technical fields, which are made by using the content of the present application specification and drawings, are also included in the patent protection scope of the present application.

Claims

1. A small space vapor chamber welding fixture, characterized by, The utility model provides a kind of track trolley (1), the four corners of the track trolley (1) are connected wheel (5) respectively;Fixed rod (9) is fixedly connected the track trolley (1), the fixed rod (9) is fixedly connected guide round bar (2), the fixed rod (9) bearing connection screw rod (3);Moving cylinder (7), the guide round bar (2) passes through the moving cylinder (7), the screw rod (3) is threadedly connected the moving cylinder (7);Moving rod (8) is arranged in the moving cylinder (7);Adjusting rod (10), one end is rotatably connected the fixed rod (9), the other end of the adjusting rod (10) is rotatably connected the moving rod (8);Two clamp assemblies are fixedly connected one end of the adjusting rod (10) respectively. The clamp assembly includes mounting plate (18), the mounting plate (18) is fixedly connected the adjusting rod (10), the mounting plate (18) is fixedly connected square plate (11), the square plate (11) is provided with perforation (16), the square plate (11) bearing connection gear ring (13), the square plate (11) bearing connection the center shaft of a group of gear (12), each gear (12) is engaged the gear ring (13) respectively, each gear (12) is fixedly connected mounting rod (14) respectively, each mounting rod (14) is fixedly connected clamp rod (15) respectively. The mounting plate (18) is fixedly connected motor (17), and the output shaft of the motor (17) is fixedly connected the center shaft of one gear (12). The surface material of the clamp rod (15) is rubber. The screw rod (3) is fixedly connected handle (4). Four wheel (5) is provided with V-shaped groove respectively, and four V-shaped grooves match symmetrical angle iron guide rail (6). The wheel (5) has magnetic attraction function.

2. A small space steam chest welding fixture according to claim 1, characterized in that: ​ 3. A small space steam chest welding fixture according to claim 2, characterized in that: ​ 4. The small space vapor chamber bonding tooling of claim 2, wherein: ​ 5. The small volume vapor chamber welding fixture of claim 1, wherein: ​ 6. The small volume vapor chamber welding fixture of claim 1, wherein: ​ 7. A small space vapor chamber bonding tool according to claim 6, characterized by: ​

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