CN216939100U

CN216939100U - Pressure vessel end cover girth welding frock

Info

Publication number: CN216939100U
Application number: CN202220733923.8U
Authority: CN
Inventors: 赵旭; 王善忠
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-03-31
Filing date: 2022-03-31
Publication date: 2022-07-12
Anticipated expiration: 2032-03-31

Abstract

The utility model discloses a pressure vessel end cover girth welding tool in the technical field of pressure vessel manufacturing, which comprises a base, wherein the upper end of the base is fixedly connected with an installation platform, a rotating platform is installed in the installation platform in a clamping manner, the upper end of the rotating platform is connected with three fixed claws through bolts, and the bottom of the rotating platform is fixedly connected with a rotating gear. The installation table is used for clamping and installing the rotating table, the rotating table is driven to rotate through the matching of a rotating gear at the bottom and a driving gear, three fixing claws at the upper end of the rotating table are used for fixing and limiting the flange plate, the flange plate to be welded is placed on the rotating table in a centering mode, meanwhile, a telescopic rod at the upper end drives a rotatable pressing cap to press downwards, the arc-shaped pressing cap is used for tightly pressing the end cover end of the arc-shaped end cover, a welding machine at one side is convenient to perform annular welding, the welding machine is movably connected to the upper end plate through the installation plate, the welding machine can perform different pitching angle adjustment, and weld joint adaptability adjustment with different gradients is performed.

Description

Pressure vessel end cover girth welding frock

Technical Field

The utility model relates to the technical field of pressure vessel manufacturing, in particular to a pressure vessel end cover girth welding tool.

Background

The term pressure vessel refers to a closed device which contains gas or liquid and bears a certain pressure, and the end cover of the pressure vessel needs to be connected with the connecting flange in a welding mode.

However, the existing pressure vessel end cover girth welding tool cannot align the end cover with the flange shaft quickly, the welding angle of a welding machine is inconvenient to adjust, operation is not easy, and the using effect is poor.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a pressure vessel end cover girth welding tool to solve the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a pressure vessel end cover girth welding frock, includes the base, the upper end fixedly connected with mount table of base, the rotation platform is installed to the joint in the mount table, the three stationary dog of bolted connection is passed through to the upper end of rotation platform, the bottom fixedly connected with rotating gear who rotates the platform, fixedly connected with motor on the mount table, the output of motor is connected with drive gear, drive gear and rotating gear matees the meshing, one side fixedly connected with support arm of base, the vertically telescopic link is connected to the one end of support arm, telescopic link removal end swing joint has curved pressure cap, one side fixedly connected with hydraulic stem of base, the removal end of hydraulic stem is connected with the upper end plate, the upper end plate upper end has the mounting panel through bolt swing joint, be connected with the welding machine on the mounting panel.

Preferably, the upper end of the mounting table is provided with an annular sliding rail, a plurality of balls are mounted inside the sliding rail, and the balls are in contact connection with the bottom end of the rotating table.

Preferably, three fixed claws are distributed on the rotating table at equal intervals, and the fixed claws are L-like.

Preferably, the diameter of the driving gear is smaller than that of the rotating gear, and the driving gear and the rotating gear are arranged on the same horizontal plane.

Preferably, one side of the upper end plate is arc-shaped, and the arc shape of the upper end plate is matched with the mounting table.

Preferably, the base is fixedly connected with two limiting rods, and the limiting rods are connected to two sides of the upper end plate in a penetrating manner.

Preferably, the two limiting rods are arranged on the same vertical plane, and the height of each limiting rod is larger than the vertical movement stroke of the upper end plate.

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

(1) the installation table is used for clamping and installing a rotating table, the rotating table is driven to rotate through the matching of a rotating gear at the bottom and a driving gear, three fixing claws at the upper end of the rotating table are used for fixing and limiting flange plates, the flange plates to be welded are placed on the rotating table in a centering mode, meanwhile, a telescopic rod at the upper end drives a rotatable pressing cap to press downwards, the arc-shaped pressing cap compresses an arc-shaped end cover end, the arc-shaped end cover end is tightly attached to the flange plates, a welding machine at one side is convenient to perform annular welding, the welding machine is movably connected to the upper end plate through the installation plate, the welding machine can perform different pitching angle adjustment, and meanwhile, the welding machine is matched with a hydraulic rod at the bottom to perform different angle adjustment, so that the welding seam adaptability adjustment with different gradients is performed;

(2) according to the utility model, the annular sliding rail is arranged at the upper end of the mounting table, the plurality of balls are limited and clamped and mounted through the sliding rail, the plurality of balls are used for bearing the rotating table at the upper end, so that the friction force is reduced when the rotating table rotates, the rotating table rotates smoothly, the two limiting rods are fixedly connected to the base, the upper end plate is vertically moved and limited through the limiting rods, and the upper end plate is vertically moved stably.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a perspective view of a pressure vessel end cap girth welding fixture of the present invention;

FIG. 2 is a diagram of the overall explosion structure of the pressure vessel end cover girth welding fixture of the present invention;

FIG. 3 is an enlarged structural view of the end cover girth welding tool of the pressure vessel in FIG. 2 at the point A;

FIG. 4 is a front view structural diagram of the pressure vessel end cover girth welding tool of the utility model.

In the drawings, the components represented by the respective reference numerals are listed below:

1. a base; 2. an installation table; 3. a sliding rail; 4. a ball bearing; 5. a rotating table; 6. a fixed jaw; 7. a rotating gear; 8. a motor; 9. a drive gear; 10. a support arm; 11. a telescopic rod; 12. pressing the cap; 13. a hydraulic lever; 14. an upper end plate; 15. mounting a plate; 16. a welding machine; 17. a limiting rod.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: a pressure vessel end cover girth welding tool comprises a base 1, wherein the upper end of the base 1 is fixedly connected with an installation platform 2, a rotating platform 5 is installed in the installation platform 2 in a clamping mode, the upper end of the rotating platform 5 is connected with three fixed claws 6 through bolts, the bottom of the rotating platform 5 is fixedly connected with a rotating gear 7, a motor 8 is fixedly connected onto the installation platform 2, the output end of the motor 8 is connected with a driving gear 9, the driving gear 9 is in matched meshing engagement with the rotating gear 7, one side of the base 1 is fixedly connected with a supporting arm 10, one end of the supporting arm 10 is connected with a vertical telescopic rod 11, the moving end of the telescopic rod 11 is movably connected with an arc-shaped press cap 12, one side of the base 1 is fixedly connected with a hydraulic rod 13, the moving end of the hydraulic rod 13 is connected with an upper end plate 14, the upper end of the upper end plate 14 is movably connected with an installation plate 15 through bolts, a welding machine 16 is connected onto the installation plate 15, and the three fixed claws 6 are distributed on the rotating platform 5 at equal intervals, the fixing claws 6 are L-shaped, the diameter of the driving gear 9 is smaller than that of the rotating gear 7, the driving gear 9 and the rotating gear 7 are arranged on the same horizontal plane, one side of the upper end plate 14 is arc-shaped, and the arc-shaped of the upper end plate 14 is matched with the mounting table 2.

Wherein, the whole device is supported by a base 1, an installation platform 2 is fixedly connected with the upper end of the base 1, a rotating platform 5 is clamped and installed by the installation platform 2, the rotating platform 5 is driven to rotate by the matching of a rotating gear 7 at the bottom and a driving gear 9, a motor 8 provides power to drive the driving gear 9, three fixing claws 6 at the upper end of the rotating platform 5 fix and limit the flange plate, the flange plate to be welded is placed on the rotating platform 5 in a centering way, a telescopic rod 11 at the upper end drives a rotatable press cap 12 to press downwards, the arc-shaped press cap 12 compresses the arc-shaped end cover end, the arc-shaped end cover end is tightly attached to the flange plate, a welding machine 16 at one side is convenient for annular welding, the welding machine 16 is movably connected to an upper end plate 14 by an installation plate 15, the welding machine 16 can adjust different pitching angles, and simultaneously, the hydraulic rod 13 at the bottom is matched to adjust different angles, and then carry out the welding seam adaptability adjustment of different slopes, application scope is wide, the simple operation, excellent in use effect.

Referring to fig. 1-4, an annular sliding rail 3 is disposed at an upper end of the mounting table 2, a plurality of balls 4 are disposed inside the sliding rail 3, the plurality of balls 4 are in contact connection with a bottom end of the rotating table 5, two limiting rods 17 are fixedly connected to the base 1, the limiting rods 17 are connected to two sides of the upper end plate 14 in a penetrating manner, the two limiting rods 17 are disposed on a same vertical plane, and a height of the limiting rods 17 is greater than a vertical moving stroke of the upper end plate 14.

Wherein, be provided with annular sliding rail 3 in the upper end of mount table 2, carry out spacing joint installation to a plurality of balls 4 through sliding rail 3, a plurality of balls 4 accept the rotation platform 5 of upper end, reduce frictional force when being convenient for rotate platform 5 and rotate, it is smooth and easy to rotate platform 5, two gag lever posts 17 of fixed connection on base 1, it is spacing to carry out the vertical migration through gag lever post 17 to upper end plate 14, let upper end plate 14 vertical migration stable.

The integral working principle is that the electric equipment of the device is connected with an external power supply, the whole device is supported by the base 1, the upper end of the base 1 is fixedly connected with the mounting table 2, the rotating table 5 is clamped and mounted by the mounting table 2, the rotating table 5 is driven to rotate by the matching of the rotating gear 7 at the bottom and the driving gear 9, the motor 8 provides power to drive the driving gear 9, three fixing claws 6 at the upper end of the rotating table 5 are used for fixing and limiting the flange plate, the flange plate to be welded is centered and placed on the rotating table 5, meanwhile, the telescopic rod 11 at the upper end drives the rotatable pressing cap 12 to press downwards, the arc-shaped pressing cap 12 compresses the arc-shaped end cover end, the arc-shaped end cover end is tightly attached to the flange plate, the welding machine 16 at one side is convenient for annular welding, the welding machine 16 is movably connected to the upper end plate 14 through the mounting plate 15, and the welding machine 16 can be adjusted at different pitching angles, simultaneously, hydraulic stem 13 of cooperation bottom carries out different angular adjustment, and then carries out the welding seam adaptability adjustment of different slopes, be provided with annular sliding rail 3 in the upper end of mount table 2, carry out spacing joint installation to a plurality of balls 4 through sliding rail 3, a plurality of balls 4 are accepted the revolving stage 5 of upper end, reduce frictional force when being convenient for the revolving stage 5 rotates, revolving stage 5 rotates smoothly, two gag lever posts 17 of fixed connection on base 1, it is spacing to carry out the vertical migration to upper end plate 14 through gag lever post 17, let upper end plate 14 vertical migration stable.

In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the utility model disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the utility model to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the utility model and the practical application, to thereby enable others skilled in the art to best utilize the utility model. The utility model is limited only by the claims and their full scope and equivalents.

Claims

1. The utility model provides a pressure vessel end cover girth welding frock, includes base (1), its characterized in that: the upper end of the base (1) is fixedly connected with an installation platform (2), a rotating platform (5) is installed in the installation platform (2) in a clamping mode, the upper end of the rotating platform (5) is connected with three fixing claws (6) through bolts, the bottom of the rotating platform (5) is fixedly connected with a rotating gear (7), a motor (8) is fixedly connected onto the installation platform (2), the output end of the motor (8) is connected with a driving gear (9), the driving gear (9) is matched and meshed with the rotating gear (7), one side of the base (1) is fixedly connected with a supporting arm (10), one end of the supporting arm (10) is connected with a vertical telescopic rod (11), the moving end of the telescopic rod (11) is movably connected with an arc-shaped pressing cap (12), one side of the base (1) is fixedly connected with a hydraulic rod (13), the moving end of the hydraulic rod (13) is connected with an upper end plate (14), the upper end of the upper end plate (14) is movably connected with a mounting plate (15) through a bolt, and the mounting plate (15) is connected with a welding machine (16).

2. The pressure vessel end cover girth welding tool of claim 1, wherein: the upper end of mount table (2) is provided with annular sliding rail (3), the internally mounted of sliding rail (3) has a plurality of balls (4), and is a plurality of ball (4) are connected with the contact of rotating table (5) bottom.

3. The pressure vessel end cover girth welding tool of claim 1, wherein: the three fixed claws (6) are distributed on the rotating table (5) at equal intervals, and the fixed claws (6) are L-shaped.

4. The pressure vessel end cover girth welding tool of claim 1, wherein: the diameter of the driving gear (9) is smaller than that of the rotating gear (7), and the driving gear (9) and the rotating gear (7) are arranged on the same horizontal plane.

5. The pressure vessel end cover girth welding tool of claim 1, wherein: one side of the upper end plate (14) is arc-shaped, and the arc-shaped of the upper end plate (14) is matched with the mounting table (2).

6. The pressure vessel end cover girth welding tool of claim 1, wherein: two limiting rods (17) are fixedly connected to the base (1), and the limiting rods (17) are connected to two sides of the upper end plate (14) in a penetrating mode.

7. The pressure vessel end cover girth welding tool of claim 6, wherein: the two limiting rods (17) are arranged on the same vertical plane, and the height of the limiting rods (17) is larger than the vertical moving stroke of the upper end plate (14).