Pipeline welding alignment tool

Abstract

The utility model relates to the technical field of welding alignment tools, in particular to a pipeline welding alignment tool which comprises a base. The shell is fixedly mounted at the top of the base, and a protective cover is hinged to one side of the top of the shell; the welding machine is mounted in the shell; the fixing assemblies are mounted at the front end and the rear end of the shell; and the fine adjustment assembly is arranged between the base and the shell. The supporting rings are arranged at the front end and the rear end of the shell, the limiting rods matched with one side of the shell are hinged to one sides of the tops of the supporting rings and inserted into the limiting grooves, the two sets of pipelines are placed on the tops of the two sets of supporting rings respectively before welding, and the welding ends of the two sets of pipelines are combined together; and then the two sets of fixing rings are covered and fixed, stable connection of the two sets of pipelines can be kept, butt joint openings are prevented from shifting, and the stability during welding is improved advantageously.

Description

TECHNICAL FIELD

[0001] The utility model relates to welding mouth -to -mouth tool technical field, specifically is a pipeline welding mouth -to -mouth tool. BACKGROUND

[0002] Pipeline is an important part of modern city infrastructure, is widely used in water supply, drainage, natural gas transmission and other various important medium transmission, in pipeline engineering, welding is the important technology of connecting pipeline, is widely used in petroleum, natural gas, chemical industry etc. The quality of welding directly influences the sealing of pipeline, pressure capacity and overall stability. Therefore, ensure the mouth -to -mouth accurate butt joint of pipeline is important to the welding quality, in the welding process, the existing tool often is difficult to keep the stable connection of pipeline, is prone to mouth -to -mouth displacement, and then influence welding effect, and the traditional mouth -to -mouth tool usually relies on manual operation, this method may lead to inaccurate butt joint under certain circumstances, it is difficult to guarantee the butt joint accuracy of pipeline, increases the risk of rework and material waste, for this, we propose a kind of pipeline welding mouth -to -mouth tool to solve the above problems. SUMMARY

[0003] The utility model aims at providing a kind of pipeline welding mouth -to -mouth tool to solve the problem that the existing tool is often difficult to keep the stable connection of pipeline and difficult to guarantee the butt joint accuracy of pipeline in the above background art.

[0004] To achieve the above object, the utility model provides the following technical scheme: a kind of pipeline welding mouth -to -mouth tool, comprising:

[0005] Base;

[0006] Shell, the shell is fixedly installed on the top of base, the top side of shell is hingedly connected with protective cover;

[0007] Welding machine, the welding machine is installed in the inside of shell;

[0008] Fixed component, the fixed component is installed at the front and rear ends of shell;

[0009] Fine adjustment component, the fine adjustment component is arranged between base and shell.

[0010] Preferably, the fixed component includes support ring, the support ring is provided with two groups, the support ring is arranged at the front and rear ends of shell, the top side of support ring is hingedly connected with fixed ring, and the other end bottom of fixed ring is fixedly installed with connecting block, and the top of connecting block is penetrated with bolt, the bolt is provided with left and right two groups, the bottom of bolt is inserted in the top side of support ring by screw thread, the bottom of support ring is provided with limit slot, and the limit slot is provided with left and right two groups, which is conducive to improving the stability of the device when welding.

[0011] Preferably, the front and rear sides of the shell are fixedly provided with limiting rods, and the limiting rods are provided with two groups of limiting rods, the limiting rods are embedded in the limiting grooves and are in sliding connection with the limiting grooves, and the supporting rings can be more stable during movement.

[0012] Preferably, the diameters of the supporting rings and the fixed rings are same as the diameters between the shell and the protective cover, and the convenience of installing the two groups of pipes is improved.

[0013] Preferably, the inner walls of the supporting rings and the fixed rings are provided with rubber pads, so as to prevent the pipes from sliding in the supporting rings and the fixed rings and causing the interface to deviate.

[0014] Preferably, the fine adjustment assembly comprises supporting columns, the supporting columns are fixedly installed at the bottom of the supporting rings, the supporting columns are provided with two groups of supporting columns, slide rods are fixedly installed between the front and rear groups of supporting columns, the inner sides of the slide rods are fixedly provided with racks, the top of the shell is provided with a sliding groove, the two groups of slide rods are embedded in the sliding groove and are in sliding connection with the sliding groove, the middle part of the sliding groove is provided with gears through bearings, the gears are provided with two groups of gears, and the two groups of gears are directly meshed and connected, the racks are meshed and connected with the adjacent gears, and the bottom of the base is provided with a motor, and the output shaft of the motor is directly connected with the top of one of the gears, so that the position of the pipes can be adjusted, and the welding machine can be aligned with the connection of the two groups of pipes.

[0015] Compared with the prior art, the technical effects and advantages of the utility model are as follows:

[0016] The supporting rings are arranged at the front and rear ends of the shell, and the top side of the supporting rings is hingedly connected with the limiting rods arranged on the side of the shell, the two groups of pipes are placed on the top of the two groups of supporting rings before welding, and the welding ends of the two groups of pipes are combined together, then the two groups of fixed rings are covered and fixed, so that the stable connection of the two groups of pipes can be maintained, the interface is prevented from being displaced, and the stability during welding is improved.

[0017] The slide rods are fixedly installed between the front and rear groups of supporting columns, and the slide rods are in sliding connection in the sliding groove, the two groups of gears are meshed and connected, and the racks are meshed and connected with the adjacent gears, so that the two groups of supporting rings can be simultaneously and synchronously moved by the motor, the position of the two groups of pipes can be finely adjusted, the interface can be very conveniently and accurately aligned with the welding interface of the welding machine, and the errors during welding are reduced. BRIEF DESCRIPTION OF DRAWINGS

[0018] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0019] Figure 1 This is a three-dimensional structural diagram of the present invention;

[0020] Figure 2 This is a three-dimensional structural diagram of the fixing component of this utility model;

[0021] Figure 3 This is a three-dimensional structural diagram of the fine-tuning component of this utility model;

[0022] Figure 4 This is a schematic diagram of the welding state of the three-dimensional structure of this utility model.

[0023] In the diagram: 1. Base; 2. Outer shell; 3. Protective cover; 4. Welding machine; 5. Support ring; 6. Fixing ring; 7. Connecting block; 8. Bolt; 9. Support column; 10. Slide rod; 11. Rack; 12. Slide groove; 13. Gear; 14. Motor; 15. Limiting groove; 16. Limiting rod. Detailed Implementation

[0024] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0025] Example 1

[0026] like Figures 1 to 2 As shown, the present invention provides a pipe welding butt joint tool, comprising:

[0027] Base 1;

[0028] The outer casing 2 is fixedly installed on the top of the base 1, and a protective cover 3 is hinged to one side of the top of the outer casing 2;

[0029] Welding machine 4 is installed inside the outer casing 2;

[0030] The fixed assembly is installed at the front and rear ends of the shell 2, and the fixed assembly comprises support rings 5, the support rings 5 are provided in two groups, the support rings 5 are arranged at the front and rear ends of the shell 2, one side of the top of the support ring 5 is hingedly connected with a fixed ring 6, the other end of the bottom of the fixed ring 6 is fixedly installed with a connecting block 7, the top of the connecting block 7 penetrates a bolt 8, the bolt 8 is provided in two groups, the bottom of the bolt 8 is inserted into one side of the top of the support ring 5 through threads, the bottom of the support ring 5 is provided with a limiting groove 15, and the limiting groove 15 is provided in two groups, so that the pipe is fixed, and the interface is prevented from being displaced during welding;

[0031] The limiting rods 16 are fixedly installed at the front and rear sides of the shell 2, and the limiting rods 16 are provided in two groups, the limiting rods 16 are embedded in the limiting grooves 15 and are in sliding connection with the limiting grooves 15, the support rings 5 are limited, and the stability of the two groups of support rings 5 during movement is improved;

[0032] The diameters of the support rings 5 and the fixed rings 6 are the same as the diameters between the shell 2 and the protective cover 3, so that the connecting ends of the two groups of pipes can be perfectly combined together;

[0033] The inner walls of the support rings 5 and the fixed rings 6 are pressed with rubber pads, the rubber pads are made of natural rubber, are generally synthetic rubber, and are rubber materials manufactured by chemical synthesis, have properties similar to natural rubber, and can be adjusted according to different needs to obtain specific physical and chemical properties, have the characteristics of sealing, anti-skid, wear resistance and elasticity, and the like, the design utilizes the anti-skid characteristics of rubber, improves the friction between the inner walls of the support rings 5 and the fixed rings 6 and the outer walls of the pipes, is beneficial to preventing the pipes from sliding in the support rings 5 and the fixed rings 6, and improves the stability.

[0034] Embodiment two

[0035] As Figure 3As shown, based on the same concept as the above embodiment, the embodiment also proposes: a fine tuning assembly is arranged between the base 1 and the shell 2, the fine tuning assembly comprises support columns 9 fixedly installed at the bottom of the support ring 5, the support columns 9 are arranged in two groups, a slide rod 10 is fixedly installed between the two groups of support columns 9, and the inner side of the slide rod 10 is fixedly installed with a rack 11, the top of the shell 2 is provided with a sliding groove 12, and the two groups of slide rods 10 are embedded in the sliding groove 12 and are in sliding connection with the sliding groove 12, a gear 13 is installed in the middle of the sliding groove 12 through a bearing, and the gear 13 is arranged in two groups and directly engaged and connected, the rack 11 is engaged and connected with the adjacent gear 13, and a motor 14 is installed at the bottom of the base 1, and the output shaft of the motor 14 is directly connected with the top of one of the gears 13. By arranging the engagement and connection of the gear 13 and the rack 11, the function that the rotation of the gear 13 can drive the slide rod 10 to move is realized, the welding end of the pipeline can be fine tuned, and the precision of welding is improved.

[0036] Working principle: first, place the two groups of pipelines on the top of the shell 2 on the left and right sides, place the other end of the pipeline on the top of the support ring 5, and then place the welding ends of the two groups of pipelines together, then flip the two groups of fixing rings 6 and cover them on the top of the pipeline, the connecting block 7 will move to the top of one side of the support ring 5, then use the two groups of bolts 8 to pass through the connecting block 7 and tighten, and fix the fixing ring 6 on the top of the support ring 5, then the motor 14 can be started, the motor 14 can drive the gear 13 at the bottom thereof to rotate clockwise, one gear 13 can drive the other gear 13 engaged therewith to rotate counterclockwise, and the two gears 13 can drive the slide rods 10 on the two sides to move forward at the same time, the slide rods 10 can drive the support columns 9 and the support ring 5 to move, the support ring 5 can drive the two groups of pipelines to move, the connecting part of the two groups of pipelines is moved to the middle of the welding machine 4 and is aligned with the welding head of the welding machine 4, then the protective cover 3 can be covered and the welding machine 4 can be used for welding, and the above is the whole working principle of the utility model.

[0037] Finally, it should be pointed out that: first of all, in the description of the present application, it should be pointed out that unless otherwise specified and limited, the terms "installation", "connection", "connection" should be understood broadly, which can be mechanical connection or electrical connection, or the communication between two elements, or direct connection, "up", "down", "left", "right" and the like are only used to represent the relative positional relationship, when the absolute position of the described object changes, the relative positional relationship may change;

[0038] Secondly: the utility model discloses the embodiment in the drawing, only relates to the structure involved in the embodiment of the present disclosure, other structures can refer to the usual design, in the case of no conflict, the same embodiment and different embodiments of the utility model can be combined with each other;

[0039] Finally: the above is only the preferred embodiment of the utility model, and is not used for limiting the utility model, and any modification, equivalent replacement, improvement and the like made in the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A pipe welding alignment tool, comprising: Base (1); It is characterized in that: The shell (2) is fixedly installed on the top of the base (1), and the top side of the shell (2) is hingedly connected with a protective cover (3); The welding machine (4) is installed inside the shell (2); The fixing assembly is installed at the front and rear ends of the shell (2); The fine tuning assembly is arranged between the base (1) and the shell (2).

2. A pipe welding and facing tool according to claim 1, wherein: The fixing assembly includes two sets of support rings (5) arranged at the front and rear ends of the shell (2), the top side of the support ring (5) is hingedly connected with a fixing ring (6), the other end of the fixing ring (6) is fixedly installed with a connecting block (7), the top of the connecting block (7) penetrates a bolt (8), the bolt (8) is provided with two groups, the bottom of the bolt (8) is inserted into the top side of the support ring (5) through threads, and the bottom of the support ring (5) is provided with two groups of limiting grooves (15).

3. A pipe welding alignment tool according to claim 1, wherein: The limiting rods (16) are fixedly installed on the front and rear sides of the shell (2), and the limiting rods (16) are provided with two groups, the limiting rods (16) are embedded in the limiting grooves (15) and are in sliding connection with the limiting grooves (15).

4. A pipe welding and facing tool according to claim 2, wherein: The diameters of the support ring (5) and the fixing ring (6) are the same as the diameters between the shell (2) and the protective cover (3).

5. A pipe welding alignment tool according to claim 2, wherein: The inner walls of the support ring (5) and the fixing ring (6) are pressed with rubber pads.

6. A pipe welding alignment tool according to claim 1, wherein: The fine tuning assembly includes support columns (9) fixedly installed at the bottom of the support ring (5), the support columns (9) are provided with two groups, a slide rod (10) is fixedly installed between the front and rear groups of support columns (9), a rack (11) is fixedly installed on the inner side of the slide rod (10), a sliding groove (12) is formed in the top of the shell (2), the two groups of slide rods (10) are embedded in the sliding groove (12) and are in sliding connection with the sliding groove (12), a gear (13) is installed in the middle of the sliding groove (12) through a bearing, the gear (13) is provided with two groups, and the two groups of gears (13) are directly meshed and connected, the rack (11) is in meshing connection with the adjacent gear (13), and a motor (14) is installed at the bottom of the base (1), and the output shaft of the motor (14) is directly connected with the top of one of the gears (13).

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