Welding device for pile foundation casing lifting device component and welding method thereof

Abstract

The invention discloses a welding device for a pile foundation casing lifting device part and a welding method thereof, and relates to the technical field of bridge engineering.The welding device comprises a base, a top frame is fixedly connected to the top of the base, the top of the base is fixedly connected with one end of a first linear driver, and a guide rail is fixedly connected to the top of the base and slidably connected with the inner side wall of the lower end of a placement plate; the output end of the first linear driver is fixedly connected with the placing plate; an adjusting assembly is fixedly connected to the bottom of the top frame, and a first limiting ring and a second limiting ring are matched, so that a welding gun can conveniently conduct rotary welding around the peripheral wall of a hanging ring; the first gear ring and the second gear ring are matched with the gear, 360-degree rotation of the welding gun and the spray head around the hanging ring is achieved, the welding area can be evenly covered, and the welding efficiency and quality are improved.

Description

Technical Field

[0001] The invention relates to the technical field of bridge engineering, in particular to a welding device for pile foundation casing lifting device components and a welding method thereof. Background Art

[0002] The patent with publication (announcement) number CN218371273U discloses a mud wall cast-in-place pile steel casing lifting device, including a fixed component, the fixed component includes a support plate, a support column, a lifting plate, a first motor, a screw, a moving rod, a connecting plate, an inclined plate, a vertical plate, a fixed rod, a round rod, a fixed plate, and an arc plate; four support columns are fixedly installed on the top of the support plate, a lifting plate is fixedly installed on the end of the support column, a first motor is fixedly installed on the top of the lifting plate, and a screw is rotatably installed on the bottom of the lifting plate.

[0003] In the above-mentioned prior art, the lifting is performed by hanging the pulling steel rope on the external hoist on the hanging ring, so as to facilitate quick fixation and save a lot of time. When the hanging ring is welded and installed with the lifting plate, the inner wall of the hanging ring is blocked by the outer wall during welding, forming a relatively hidden welding area. When the welding worker uses the welding gun to operate, he will find it difficult to perform all-round welding around the hanging ring as conveniently as processing a flat seam. This not only increases the difficulty of welding, but may also affect the welding quality. Summary of the invention

[0004] Therefore, in order to solve the above-mentioned shortcomings, the present invention provides a welding device and a welding method for pile foundation casing lifting device components.

[0005] The present invention is achieved in this way: a welding device and a welding method for pile foundation casing lifting device components are constructed, the device includes a base, a top frame is fixedly connected to the top of the base, the top of the base is fixedly connected to one end of the first linear driver, the top of the base is fixedly connected to a guide rail, the guide rail is slidably connected to the inner side wall of the lower end of the placement plate, and the output end of the first linear driver is fixedly connected to the placement plate; an adjustment component is fixedly connected to the bottom of the top frame, and the lower end of the adjustment component is fixedly connected to the side wall of the first limiting frame; a driver is bolted to the bottom of the first limiting frame, the driver output shaft is fixedly connected to the center of the gear circle, and the side wall of the first limiting frame is fixedly connected A first limiting ring is connected, one end of the first limiting ring is hollowed out to form a through groove, the bottom side wall of the first limiting ring is hollowed out to form a sliding groove, and a first gear ring is rotatably connected inside the first limiting ring, the gear is meshed with the first gear ring, and the bottom of the first gear ring slides through the sliding groove and is fixedly connected to the top of the second limiting ring through a connecting rod; the first linear drive drives the placement plate to slide on the guide rail, so that the position of the parts to be welded can be accurately adjusted to ensure the alignment accuracy during the welding process, and the adjustment component enables the first limiting frame to be flexibly adjusted in the three axes of XYZ, further improving the accuracy and adaptability of the welding position.

[0006] According to the above technical solution, when the through grooves on the first limiting ring, the second limiting ring, the first gear ring and the second gear ring are in the same position, the first limiting ring and the second limiting ring are in an annular structure with a notch, so that the first limiting ring and the second limiting ring are slidably inserted into the outer peripheral wall of the hanging ring through the notch, and are rotatably arranged in the outer peripheral wall area of ​​the hanging ring.

[0007] According to the above technical solution, one end of the second limiting ring is hollowed out to form a through groove, a second gear ring is slidably connected inside the second limiting ring, a second limiting frame is fixedly connected to the side wall of the second limiting ring, and a matching component is fixedly connected inside the second limiting frame.

[0008] According to the above technical solution, a mechanical arm is fixedly connected to the side wall of the second gear ring, a welding gun is connected to the mechanical arm, and a nozzle is fixedly connected to the side wall of the second gear ring.

[0009] According to the above technical solution, a through groove is provided on the first gear ring and the second gear ring, and the driver is composed of a motor; the second linear driver, the third linear driver and the fourth linear driver are used to adjust the XYZ axis position of the first limiting frame; the first gear ring and the second gear ring cooperate with the gear so that the welding gun and the nozzle can perform rotational welding around the outer wall of the hanging ring, which can evenly cover the welding area and improve the welding efficiency and quality.

[0010] According to the above technical solution, the matching component is composed of a driver and a gear, and the gear on the matching component is meshed with the second gear ring.

[0011] According to the above technical solution, the adjustment component includes a second linear drive, a second linear drive is fixedly connected to the bottom of the top frame, the moving end of the second linear drive is fixedly connected to the third linear drive, the other end of the third linear drive is fixedly connected to the fourth linear drive, and the moving end of the fourth linear drive is fixedly connected to the side wall of the first limiting frame.

[0012] A welding method for pile foundation casing lifting device components comprises the following steps:

[0013] S1: In the welding preparation stage, the workpiece needs to be placed securely on the top of the placement plate, and the hanging ring is placed to connect with the workpiece. Then, the second linear drive, the third linear drive, and the fourth linear drive are controlled to drive the first limiting ring to move, so that the first limiting ring and the second limiting ring are slidably inserted into the connection between the hanging ring and the workpiece through the through groove, and the first limiting ring and the lower end of the hanging ring are coaxially arranged;

[0014] S2: Then the driver is turned on to drive the gear to rotate, the gear drives the first gear ring to rotate, the first gear ring drives the second limit frame to rotate around the hanging ring for a period, and the second limit frame drives the robot arm and the welding gun to rotate for the first time through the second limit ring;

[0015] S3: Then, the control matching component drives the second gear ring to rotate, and the second gear ring drives the robot arm and the welding gun to rotate twice, so that the welding gun rotates around the hanging ring for one circle, and welds around the connection between the hanging ring and the workpiece;

[0016] S4: After welding is completed, the nozzle can be connected to the external spray pipe, and through the cooperation of the first gear ring and the second gear ring, the nozzle is driven to perform 360-degree annular spraying around the welding point between the hanging ring and the workpiece;

[0017] S5: After welding and spraying are completed, the through grooves on the first limiting ring, the second limiting ring, the first gear ring, and the second gear ring are controlled to overlap, and the fourth linear drive drives the first limiting ring to move and break away from the connection with the hanging ring.

[0018] The present invention has the following advantages: The present invention provides a welding device and a welding method for pile foundation casing lifting device components through improvement, which has the following improvements compared with the same type of equipment:

[0019] The present invention discloses a welding device and a welding method for pile foundation casing lifting device components. The cooperation of the first limiting ring and the second limiting ring enables the welding gun to conveniently perform rotational welding around the outer peripheral wall of the hanging ring. The cooperation of the first gear ring and the second gear ring with the gear realizes the 360-degree rotation of the welding gun and the nozzle around the hanging ring, which can evenly cover the welding area and improve the welding efficiency and quality.

[0020] The present invention describes a welding device and a welding method for pile foundation casing lifting device components, which adjust the through grooves on the first limiting ring, the second limiting ring, the first gear ring, and the second gear ring to overlap, so that the first limiting ring and the second limiting ring can be slidably inserted into the outer peripheral wall of the hanging ring, and are rotatably arranged in the outer peripheral wall area of ​​the hanging ring, thereby facilitating the annular connection and disassembly of the first limiting ring and the hanging ring. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a three-dimensional structural schematic diagram of the present invention;

[0022] Figure 2 The structure of the present invention is schematically shown in FIG. Figure 1 ;

[0023] Figure 3 The structure of the present invention is schematically shown in FIG. Figure 2 ;

[0024] Figure 4 The structure of the present invention is schematically shown in FIG. Figure 3 ;

[0025] Figure 5 It is a schematic diagram of the connection structure between the first restriction ring and the second restriction ring of the present invention;

[0026] Figure 6 The first and second limiting rings of the present invention are schematically shown in cross section. Figure 1 ;

[0027] Figure 7 The first and second limiting rings of the present invention are schematically shown in cross section. Figure 2 .

[0028] Among them: base-1, first linear drive-2, guide rail-3, placement plate-4, top frame-5, second linear drive-6, third linear drive-7, fourth linear drive-8, first limiting frame-9, drive-10, gear-11, first limiting ring 12, through groove-13, sliding groove-131, first gear ring-14, second limiting frame-15, matching component-16, second limiting ring-17, second gear ring-171, robot arm-18, welding gun-19, nozzle-20. DETAILED DESCRIPTION

[0029] The following will be combined with the attached Figure 1-Figure 7 The present invention is described in detail, and the technical solutions in the embodiments of the present invention are made clear. The complete description is obvious. The described embodiments are only part of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0030] See also Figures 1 to 7 A welding device for pile foundation casing lifting device components and a welding method thereof of the present invention include a base 1, a controller is provided on the base 1, the controller is electrically connected to a first linear drive 2, a second linear drive 6, a third linear drive 7, a fourth linear drive 8, a drive 10, a mechanical arm 18, and a welding gun 19, a top frame 5 is fixedly connected to the top of the base 1, the top of the base 1 is fixedly connected to one end of the first linear drive 2, a guide rail 3 is fixedly connected to the top of the base 1, the guide rail 3 is slidably connected to the inner side wall of the lower end of a placement plate 4, the placement plate 4 can slide on the guide rail 3, and the output end of the first linear drive 2 is fixedly connected to the placement plate 4; the placement plate 4 is used to place a workpiece for welding processing, the first linear drive 2 pushes the placement plate 4 to move, and the first linear drive 2 drives the placement plate 4 to slide on the guide rail 3, so that the position of the parts to be welded can be accurately adjusted to ensure the alignment accuracy during the welding process.

[0031] Specifically, an adjustment component is fixedly connected to the bottom of the top frame 5, and the lower end of the adjustment component is fixedly connected to the side wall of the first limiting frame 9. The adjustment component includes a second linear drive 6. A second linear drive 6 is fixedly connected to the bottom of the top frame 5, and the moving end of the second linear drive 6 is fixedly connected to the third linear drive 7. The other end of the third linear drive 7 is fixedly connected to the fourth linear drive 8, and the moving end of the fourth linear drive 8 is fixedly connected to the side wall of the first limiting frame 9. The adjustment component enables the first limiting frame 9 to be flexibly adjusted in the three axes of XYZ, thereby further improving the accuracy and adaptability of the welding position.

[0032] Specifically, the second linear drive 6, the third linear drive 7 and the fourth linear drive 8 are used to adjust the XYZ axis position of the first limiting frame 9; the first limiting frame 9 drives the robot arm 18 and the welding gun 19 to move and adjust the position.

[0033] Specifically, a driver 10 is bolted to the bottom of the first limiting frame 9, and the output shaft of the driver 10 is fixedly connected to the center of the gear 11. The gear 11 is meshed with the first gear ring 14. A first limiting ring 12 is fixedly connected to the side wall of the first limiting frame 9. One end of the first limiting ring 12 is hollowed out to form a through groove 13, so that the first limiting ring 12 is an annular structure with a notch. The bottom side wall of the first limiting ring 12 is hollowed out to form a sliding groove 131. The first limiting ring 12 is rotatably connected to the first limiting ring 12. The bottom of the first gear ring 14 slides through the sliding groove 131 through a connecting rod and is fixedly connected to the top of the second limiting ring 17; through the cooperation of the first gear ring 14 and the second gear ring 171 with the gear 11, the welding gun 19 and the nozzle 20 are rotationally welded around the outer peripheral wall of the hanging ring, which can Evenly cover the welding area to improve welding efficiency and quality; in the welding preparation stage, first, the workpiece needs to be placed securely on the top of the placement plate 4, and the hanging ring is placed to connect with the workpiece, and then the second linear drive 6, the third linear drive 7, and the fourth linear drive 8 are controlled to drive the first limiting ring 12 to move, so that the first limiting ring 12 and the second limiting ring 17 are slidably inserted into the connection between the hanging ring and the workpiece through the through groove 13, and the first limiting ring 12 and the lower end of the hanging ring are coaxially arranged; then the driver 10 is turned on to drive the gear 11 to rotate, the gear 11 drives the first gear ring 14 to rotate, the first gear ring 14 drives the second limiting frame 15 to rotate around the hanging ring for a period of time, and the second limiting frame 15 drives the robot arm 18 and the welding gun 19 to rotate for the first time through the second limiting ring 17, and welds the connection between the hanging rings.

[0034] Specifically, a through groove 13 is formed on each of the first gear ring 14 and the second gear ring 171 .

[0035] Specifically, a cavity is provided on the first limiting ring 12 and the second limiting ring 17 , and one end of the gear 11 passes through the cavity and meshes with the first gear ring 14 and the second gear ring 171 .

[0036] Specifically, when the through grooves 13 on the first limiting ring 12, the second limiting ring 17, the first gear ring 14, and the second gear ring 171 are in the same position, the first limiting ring 12 and the second limiting ring 17 are in an annular structure with a notch, so that the first limiting ring 12 and the second limiting ring 17 can be slid through the notch to be inserted into the outer peripheral wall of the hanging ring, and are rotatably arranged around the outer peripheral wall area of ​​the hanging ring.

[0037] Specifically, the driver 10 is composed of a motor; the motor output shaft is fixedly connected to the center of the gear 11, and the motor applies power to drive the gear 11 to rotate. The two sets of gears 11 are respectively used to drive the first gear ring 14 and the second gear ring 171 to move.

[0038] Specifically, when the through grooves 13 on the first limiting ring 12, the second limiting ring 17, the first gear ring 14, and the second gear ring 171 overlap up and down, the first limiting ring 12, the second limiting ring 17, the first gear ring 14, and the second gear ring 171 present a ring structure with a notch.

[0039] Specifically, when the through grooves 13 on the first limiting ring 12 and the second limiting ring 17 are staggered with the through grooves 13 between the first gear ring 14 and the second gear ring 171 , the first limiting ring 12 and the second limiting ring 17 are in a closed annular structure.

[0040] Specifically, one end of the second limiting ring 17 is hollowed out to form a through groove 13, a second gear ring 171 is slidably connected inside the second limiting ring 17, a second limiting frame 15 is fixedly connected to the side wall of the second limiting ring 17, and a matching component 16 is fixedly connected inside the second limiting frame 15.

[0041] Specifically, the matching component 16 is composed of a driver 10 and a gear 11, the gear 11 on the matching component 16 is meshed with the second gear ring 171; a mechanical arm 18 is fixedly connected to the side wall of the second gear ring 171, a welding gun 19 is connected to the mechanical arm 18, and a nozzle 20 is fixedly connected to the side wall of the second gear ring 171; during the welding process, the matching component is controlled to drive the second gear ring 171 to rotate, and the second gear ring 171 drives the mechanical arm 18 and the welding gun 19 to rotate twice, so that the welding gun 19 rotates around the hanging ring for one circle, and welds around the connection between the hanging ring and the workpiece; in addition, The nozzle 20 is connected to the external spray pipe, and through the cooperation of the first gear ring 14 and the second gear ring 171, the nozzle 20 is driven to perform 360-degree circular spraying around the welding point between the hanging ring and the workpiece; after welding and spraying are completed, the through grooves 13 on the first limiting ring 12, the second limiting ring 17, the first gear ring 14, and the second gear ring 171 are controlled to overlap, so that the first limiting ring 12, the second limiting ring 17, the first gear ring 14, and the second gear ring 171 are in a ring structure with a notch, and the fourth linear drive 8 drives the first limiting ring 12 to move and disengage from the hanging ring.

[0042] The above shows and describes the basic principle, main features and advantages of the present invention, and the standard parts used in the present invention can be purchased from the market, and special-shaped parts can be customized according to the description in the specification and the drawings. The specific connection methods of each part adopt the conventional means such as mature bolts, rivets, welding, etc. in the prior art. The machinery, parts and equipment all adopt the conventional models in the prior art, and the circuit connection adopts the conventional connection method in the prior art, which will not be described in detail here.

[0043] The above description of the disclosed embodiments enables one skilled in the art to implement or use the present invention. Various modifications to these embodiments will be apparent to one skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention will not be limited to the embodiments shown herein, but rather to the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A welding device for a pile foundation casing lifting device component, comprising a base, a top frame fixedly connected to the top of the base, a top of the base fixedly connected to one end of a first linear drive, a guide rail fixedly connected to the top of the base, the guide rail is slidably connected to the inner side wall of the lower end of a placement plate, and an output end of the first linear drive is fixedly connected to the placement plate; Features: An adjustment component is fixedly connected to the bottom of the top frame, and the lower end of the adjustment component is fixedly connected to the side wall of the first limiting frame; A driver is bolted to the bottom of the first limiting frame, and the output shaft of the driver is fixedly connected to the center of the gear. A first limiting ring is fixedly connected to the side wall of the first limiting frame. One end of the first limiting ring is hollowed out to form a through groove, and the bottom side wall of the first limiting ring is hollowed out to form a sliding groove. A first gear ring is rotatably connected to the first limiting ring, and the gear is meshed with the first gear ring. The bottom of the first gear ring slides through the sliding groove through a connecting rod and is fixedly connected to the top of the second limiting ring.

2. A welding device for pile foundation casing lifting device components according to claim 1, characterized in that: When the through grooves on the first limiting ring, the second limiting ring, the first gear ring and the second gear ring are in the same position, the first limiting ring and the second limiting ring are in an annular structure with a notch, so that the first limiting ring and the second limiting ring are slidably inserted into the outer peripheral wall of the hanging ring through the notch, and are rotatably arranged around the outer peripheral wall area of ​​the hanging ring.

3. A welding device for pile foundation casing lifting device components according to claim 2, characterized in that: One end of the second limiting ring is hollowed out to form a through groove, a second gear ring is slidably connected inside the second limiting ring, a second limiting frame is fixedly connected to the side wall of the second limiting ring, and a matching component is fixedly connected inside the second limiting frame.

4. A welding device for pile foundation casing lifting device components according to claim 3, characterized in that: A mechanical arm is fixedly connected to the side wall of the second gear ring, a welding gun is connected to the mechanical arm, and a nozzle is fixedly connected to the side wall of the second gear ring.

5. A welding device for pile foundation casing lifting device components according to claim 4, characterized in that: The first gear ring and the second gear ring are both provided with a through slot, and the driver is composed of a motor; The second linear drive, the third linear drive and the fourth linear drive are used to adjust the XYZ axis position of the first limiting frame.

6. A welding device for pile foundation casing lifting device components according to claim 5, characterized in that: The matching component is composed of a driver and a gear, and the gear on the matching component is meshed with the second gear ring.

7. A welding device for pile foundation casing lifting device components according to claim 6, characterized in that: The adjustment component includes a second linear drive, a second linear drive is fixedly connected to the bottom of the top frame, the moving end of the second linear drive is fixedly connected to the third linear drive, the other end of the third linear drive is fixedly connected to the fourth linear drive, and the moving end of the fourth linear drive is fixedly connected to the side wall of the first limiting frame.

8. A method for welding components of a pile foundation casing lifting device, using the welding device for components of a pile foundation casing lifting device according to claim 7, characterized in that: The steps include: S1: In the welding preparation stage, the workpiece needs to be placed securely on the top of the placement plate, and the hanging ring is placed to connect with the workpiece. Then, the second linear drive, the third linear drive, and the fourth linear drive are controlled to drive the first limiting ring to move, so that the first limiting ring and the second limiting ring are slidably inserted into the connection between the hanging ring and the workpiece through the through groove, and the first limiting ring and the lower end of the hanging ring are coaxially arranged; S2: Then the driver is turned on to drive the gear to rotate, the gear drives the first gear ring to rotate, the first gear ring drives the second limit frame to rotate around the hanging ring for a period, and the second limit frame drives the robot arm and the welding gun to rotate for the first time through the second limit ring; S3: Then, the control matching component drives the second gear ring to rotate, and the second gear ring drives the robot arm and the welding gun to rotate twice, so that the welding gun rotates around the hanging ring for one circle, and welds around the connection between the hanging ring and the workpiece; S4: After the welding is completed, the nozzle is connected to the external spray pipe, and through the cooperation of the first gear ring and the second gear ring, the nozzle is driven to perform 360-degree annular spraying around the welding point between the hanging ring and the workpiece; S5: After welding and spraying are completed, the through grooves on the first limiting ring, the second limiting ring, the first gear ring, and the second gear ring are controlled to overlap, and the fourth linear drive drives the first limiting ring to move and break away from the connection with the hanging ring.

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