CN219900766U - Closed-loop rotating seat for welding steel pipes - Google Patents

Abstract

The utility model discloses a closed-loop rotating seat for welding steel pipes, which comprises a support base C, wherein one side of the support base C is provided with a rotating turntable installed through a turntable bearing, the turntable bearing is provided with external teeth, the support base C is provided with a rotating motor for driving the turntable bearing to rotate, and a motor shaft of the rotating motor is provided with a rotating gear meshed with the external teeth of the turntable bearing; the rotary turntable is provided with at least three clamping assemblies B which are uniformly distributed along the circumferential direction of the rotary turntable, and each clamping assembly B comprises a clamping head B and a clamping motor B which is used for driving the clamping head B to move opposite to the circle center of the rotary turntable. The stability of steel pipe rotation can be fully guaranteed in the welding process, and 360-degree rotation continuous welding can be completed, so that the continuity of welding seams is guaranteed, and the welding quality and efficiency are greatly improved.

Description

Closed-loop rotating seat for welding steel pipes

Technical Field

The utility model belongs to the field of iron tower production equipment, and particularly relates to a closed-loop rotating seat for steel pipe welding.

Background

The transmission tower is mainly divided into two types according to the main structure, one type is built by angle steel, the other type is formed by vertically stacking and connecting conical steel pipes, the steel pipe tower is also called a steel pipe tower, the whole steel pipe tower is conical, therefore, single steel pipes are conical in the length direction, the section of each solid steel pipe is of a polygonal structure for improving the whole strength and stability, namely, the steel pipes are of pyramid-shaped structures, two adjacent steel pipes are connected through flanges, therefore, before assembly, flanges are required to be welded at two ends of the steel pipes, and the welding quality of the flanges directly influences the connecting quality between the two adjacent steel pipes, namely, the uniformity of welding seams is kept as much as possible.

In the prior art, a mode of driving the tower column to rotate to finish welding is generally adopted for welding the pipe column, but because the tower column steel pipe is generally of a pyramid-shaped structure, the external roller is driven to rotate at the edge angle position in a rolling manner to generate larger vibration, so that the uniformity of welding seams is affected, and the stability of the tower column steel pipe in rotation is ensured as much as possible.

Disclosure of Invention

In view of the above, the utility model provides a closed-loop rotating seat for welding steel pipes, which solves the problems of unreasonable rotating structure and easiness in influencing welding quality during welding of pyramid-shaped steel pipes in the prior art.

The technical scheme is as follows:

a closed loop swivel mount for steel pipe welding, its key lies in: the rotary turntable comprises a support base C, wherein one side of the support base C is provided with a rotary turntable which is installed through a turntable bearing, the turntable bearing is provided with external teeth, the support base C is provided with a rotary motor for driving the turntable bearing to rotate, and a motor shaft of the rotary motor is provided with a rotary gear meshed with the external teeth of the turntable bearing;

the rotary turntable is provided with at least three clamping assemblies B which are uniformly distributed along the circumferential direction of the rotary turntable, and each clamping assembly B comprises a clamping head B and a clamping motor B which is used for driving the clamping head B to move opposite to the circle center of the rotary turntable.

By adopting the scheme, 360-degree rotation of the rotary turntable is realized by utilizing the turntable bearing, the steel pipe is clamped by the clamping component B, the steel pipe can be driven to synchronously rotate when the rotary turntable rotates, welding of all gaps in the circumferential direction of the steel pipe can be continuously completed, and meanwhile, vibration generated when the steel pipe rotates to the edge angle part can be effectively avoided or reduced by utilizing the driving mode, so that welding quality is improved.

As preferable: the support base C comprises an installation frame and a base which are connected into a whole up and down, wherein the installation frame is of a regular polygon structure, and is coaxially arranged with the rotary turntable, and the base is of a rectangular frame structure. By adopting the scheme, the overall stability and the load strength of the support base C are improved.

As preferable: the driving motor is positioned below the turntable bearing. The overall gravity center is reduced, and the stability is further improved.

As preferable: the clamping assemblies B have four groups. By adopting the scheme, for large-caliber steel pipes, the clamping reliability of the steel pipes can be improved by simultaneously clamping four groups of clamping assemblies B.

As preferable: the clamping head B is arranged on the rotary table through the supporting guide seat B, the clamping motor B is in transmission connection with the clamping head B through a worm and gear transmission structure, and a clamping guide rod is arranged between the clamping head B and the supporting guide seat B. By adopting the scheme, the reliability of the clamping assembly B is further improved.

As preferable: the clamping surface of the clamping head B is an arc surface which is opposite to the rotary turntable and protrudes. By adopting the scheme, the clamping head B is in line-surface contact with the edge surface of the steel pipe, so that the risk of deflection of the force application direction caused by uneven contact between the clamping head B and the edge surface can be reduced, namely, the clamping stability is further ensured, and the contact area with the steel pipe is reduced.

As preferable: the other side of the support base C is provided with a protective frame. By adopting the scheme, the flange can be prevented from falling off, personnel accidental injury is caused, the working safety coefficient of the device is improved, and meanwhile, the welding condition is not prevented from being observed by workers from the side.

Compared with the prior art, the utility model has the beneficial effects that:

by adopting the closed-loop rotating seat for steel pipe welding, the rotating stability of the steel pipe can be fully ensured in the welding process, the welding can be completed once in 360-degree rotation, the continuity of welding seams is ensured, and the welding quality and efficiency are greatly improved.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is an isometric view of FIG. 1;

FIG. 3 is an exploded view of the present utility model;

FIG. 4 is a schematic diagram of the utility model in use.

Detailed Description

The present utility model will be described in further detail with reference to the accompanying drawings.

Referring to the closed-loop swivel base for welding steel pipes shown in fig. 1 to 4, a base C110 is supported, one side of the base C110 has a swivel plate 130 mounted through a swivel bearing 120, the swivel bearing 120 has external teeth, and a driving motor 140 for driving the swivel bearing 120 to rotate is provided on the base C110.

As shown in the drawing, the support base C110 is composed of a mounting frame 111 with a regular polygon upper portion and a base 112 with a rectangular frame structure integrally connected to the mounting frame 111 at the bottom, a plurality of anchor bolts are disposed at the bottom of the base 112 for fixing at a place of use, and the turntable bearing 120 is coaxially mounted with the mounting frame 111, so that the overall stability of the support base C110 can be sufficiently ensured, the driving motor 140 is located below the mounting frame 111, and a rotating gear 141 engaged with the turntable bearing 120 is provided on a motor shaft thereof.

The rotary table 130 has at least three clamping assemblies B150 uniformly and respectively arranged along the circumferential direction thereof, and as shown in the figure, the clamping assemblies B150 mainly comprise a clamping head B151 and a clamping motor B152 for driving the clamping head B151 to move opposite to the center of the rotary table 130.

In specific implementation, the rotary table 130 is provided with support guide seats B153 corresponding to the clamping heads B151 one by one, a guide structure is arranged between the clamping heads B151 and the support guide seats B153, the moving directions of the clamping heads B151 are all along the radial direction of the rotary table 130, the clamping heads B151 can be arranged on the support guide seats B153 through linear transmission rods, the clamping motor B152 drives the clamping heads B151 to move linearly through a transmission mechanism, the clamping motor B152 drives the clamping heads B151 to move linearly through a worm and gear transmission structure generally, namely, a worm is connected with the clamping heads B151 in a rotatable mode, meanwhile, the clamping guide rods 154 are arranged on the support guide seats B153 of the clamping heads B151, and the clamping guide rods 154 are in sliding fit with the support guide seats B153.

The clamping assemblies B150 of the present utility model have four groups equally distributed along the circumference of the rotary table 130, and at the same time. The clamping surface (the surface facing the circle center of the rotary table 130) of the clamping head B151 is an arc surface protruding towards the circle center of the rotary table 130, and the axis of the corresponding circle of the arc surface is perpendicular to the axis of the rotary table 130.

In this embodiment, a protection frame 113 is disposed on a side of the support base C110 away from the rotary turntable 130, and as shown in the figure, the protection frame 113 is a frame structure with an open top and front and back, and is mainly used for flange falling during welding, and accidents caused by direct falling off the ground.

Referring to the closed-loop rotary seat for welding of steel pipes shown in fig. 1 to 4, the welding of the end flanges of the pyramid-shaped steel pipes 800 is performed using the present utility model, and the closed-loop rotary seat 100 for welding of steel pipes of the present utility model, and the pipe string rotating and floating support mechanism 200, the middle support 600 and the rail frame a500 together constitute a welding station. The utility model is mainly used for clamping and supporting the front end of the pyramid-shaped steel pipe and can drive the pyramid-shaped steel pipe to be welded to rotate by 360 degrees, wherein the pipe column rotary floating supporting mechanism 200 mainly utilizes steel wires to realize the rear end support of the pyramid-shaped steel pipe 800.

When the welding device is used, the pyramid-shaped steel pipe 800 is hoisted and placed on the middle supporting device 600 and the pipe column rotating and floating supporting mechanism 200 through hoisting equipment, the middle supporting device 600 and the pipe column rotating and floating supporting mechanism 200 can slide along the guide rail frame A500, so that the pyramid-shaped steel pipe 800 is pushed into a working area of the closed-loop rotating seat 100, when the flange is positioned in the range of the protective frame 113, after the pyramid-shaped steel pipe 800 is clamped by the clamping component B150, the driving motor 140 is started to drive the pyramid-shaped steel pipe 800 to continuously rotate, and the vibration caused by rotation can be effectively reduced by matching with the pipe column rotating and floating supporting mechanism 200, so that the welding quality is ensured.

Finally, it should be noted that the above description is only a preferred embodiment of the present utility model, and that many similar changes can be made by those skilled in the art without departing from the spirit and scope of the utility model as defined in the appended claims.

Claims (7)

1. A closed loop roating seat for steel pipe welding, its characterized in that: the rotary table comprises a support base C (110), wherein one side of the support base C (110) is provided with a rotary table (130) installed through a rotary table bearing (120), the rotary table bearing (120) is provided with external teeth, the support base C (110) is provided with a rotary motor (140) for driving the rotary table bearing (120) to rotate, and a motor shaft of the rotary motor (140) is provided with a rotary gear (141) meshed with the external teeth of the rotary table bearing (120);

the rotary turntable (130) is provided with at least three clamping assemblies B (150) which are uniformly distributed along the circumferential direction of the rotary turntable, and the clamping assemblies B (150) comprise a clamping head B (151) and a clamping motor B (152) which is used for driving the clamping head B (151) to move opposite to the circle center of the rotary turntable (130).

2. A closed loop swivel for steel pipe welding as claimed in claim 1 wherein: the support base C (110) comprises a mounting frame (111) and a base (112) which are connected into a whole up and down, wherein the mounting frame (111) is of a regular polygon structure and is coaxially arranged with the rotary turntable (130), and the base (112) is of a rectangular frame structure.

3. A closed loop swivel for steel pipe welding as claimed in claim 1 wherein: the drive motor (140) is located below the turntable bearing (120).

4. A closed loop swivel for steel pipe welding according to any one of claims 1 to 3, characterized in that: the clamping assemblies B (150) have four sets.

5. The closed loop swivel for steel pipe welding of claim 4 wherein: the clamping head B (151) is arranged on the rotary table (130) through the supporting guide seat B (153), the clamping motor B (152) is in transmission connection with the clamping head B (151) through a worm and gear transmission structure, and a clamping guide rod (154) is arranged between the clamping head B (151) and the supporting guide seat B (153).

6. The closed loop swivel for steel pipe welding of claim 4 wherein: the clamping surface of the clamping head B (151) is an arc surface which is opposite to the rotary turntable (130) and protrudes.

7. A closed loop swivel for steel pipe welding according to any one of claims 1 to 3, characterized in that: the other side of the support base C (110) is provided with a protective frame (113).