CN217142837U - Automatic welding machine rail bottom support for welding thermal pipeline - Google Patents

Abstract

The utility model relates to a be used for heating power pipeline welded automatic welding machine track collet belongs to the pipeline welding equipment field. Its technical scheme does, an automatic welding machine track collet for heating power pipeline welding, including two semicircular collet monomers, the annular is constituteed in two the free tip butt joints of collet, the collet monomer includes the first mounting plate of layer board and parallel arrangement's semicircular, the second mounting plate, the layer board laminating is fixed in the outer fringe of mounting plate, two mounting plates of layer board perpendicular to, the outer fringe fixed connection of one side arc limit and first mounting plate of layer board, the opposite side arc limit of layer board extends to one side of the first mounting plate dorsad to the second mounting plate. The beneficial effects of the utility model are that, set up cylindrical shell in the heat preservation material outside, butt welder track forms the rigid support, guarantees the orbital circularity of welding machine and the concentricity of welding orbit and pipeline, makes the motion of welder subassembly more stable, has improved the welding seam quality greatly, improves heating power pipeline's welding effect.

Description

Automatic welding machine rail bottom support for welding thermal pipeline

Technical Field

The utility model relates to a pipeline welding equipment field especially relates to an automatic welding machine track collet for heating power pipeline welding.

Background

In the construction of seamless steel pipes such as natural gas pipelines and oil pipelines, the butt joint positions of two sections of pipelines are usually connected by welding, the welding track is circular along the circumferential direction of the pipelines, manual welding is difficult to ensure the quality and the position of a circle of welding seams to be uniform, in order to improve the welding quality, a special automatic pipeline welding machine for pipeline welding is provided, the structure of the automatic pipeline welding machine is shown in figure 1 and comprises a flexible annular welding machine track, a welding gun assembly capable of running along the track is arranged on the welding machine track, the length of the welding machine track is adjusted to enable the welding gun assembly to surround the pipelines when the automatic pipeline welding machine is used, and then the welding gun assembly can complete the welding of pipe fittings when the welding gun assembly runs along the track for a circle.

But in the heating power pipeline welding process, it is unsatisfactory with the welding effect of pipeline automatic welding machine, the reason is that the outside cover of heating power pipeline has the heat preservation, only there is the exposed steel pipe of a segment at the pipeline both ends, the welding machine rail mounting is on the heat preservation, there is the deformation in the softer existence of heat preservation texture, the whole cylindricity of heating power pipeline is low, rail pressure makes the heat preservation warp behind the mounting rail, be difficult to guarantee orbital circularity more, and the heat preservation is difficult to provide the outrigger, the track takes place to warp along with the welding machine motion, lead to welder subassembly's movement track extremely unstable, welder rifle head and crater distance are not equal, the deviation appears in the welding seam, directly influenced welding quality.

Disclosure of Invention

The utility model discloses to the poor problem of heating power pipeline use pipeline automatic welder welding quality, provide a be used for heating power pipeline welded automatic welder track collet.

For solving the problem, the utility model discloses a technical scheme do, a be used for heating power pipeline welded automatic welding machine track collet, including two semi-annular's collet monomer, two free tip of collet dock each other, the collet monomer includes layer board and parallel arrangement's first mounting plate, the second mounting plate, first mounting plate and second mounting plate are the semi-annular, the layer board laminating is fixed in the outer fringe of first mounting plate and second mounting plate, first mounting plate and second mounting plate all are perpendicular with the layer board, first mounting plate is connected with an arc limit of layer board, the layer board is to the epitaxial extension that forms in one side of second mounting plate dorsad first mounting plate. Two collet monomer docks and forms annular track collet wholly, the exposed part of steel pipe at heating power pipeline is installed to the track collet, mounting plate inner edge and steel pipe laminating, make the extension cladding insulation material of layer board, with the rail mounting of automatic welding machine on the layer board, cylindrical shell butt welding machine track formation rigid support is constituteed to the layer board, it is more stable to make welder subassembly motion, guarantee orbital circularity of welding machine and the concentricity of welding orbit and pipeline, the welding seam quality is greatly improved, the welding effect of heating power pipeline is improved.

Preferably, evenly be equipped with the dead lever of a certain amount along circumference between first mounting panel and the second mounting panel, the dead lever both ends respectively with first mounting panel and second mounting panel fixed connection. Make two mounting panel intervals stable, the mounting panel can not take place to warp because of the pressure to the pipeline outer wall after two collet monomer connections, has guaranteed the axiality of layer board and pipeline, improves the orbital location accuracy of welding machine.

Preferably, the dead lever is the nylon material, and the screw is installed to the position that first mounting panel and second mounting panel correspond the dead lever, and the tip of dead lever is attacked to the screw. The nylon rods are convenient to process, uniform in length and convenient to keep the support plates parallel; and the thermal fixation is not needed, so that the thermal deformation of the support plate is avoided.

Preferably, the inner edges of the first support plate and the second support plate are respectively provided with at least two notches, and the notches on the first support plate and the second support plate axially correspond to each other in the same bottom support single body. Avoiding spiral welding seams on the steel pipes of the thermal power pipelines.

Preferably, establish two collet monomers and be first collet monomer and second collet monomer respectively, first free first end of collet is articulated with the free first end of second collet, and the articulated shaft between first collet monomer and the second collet monomer is along the free axial of collet, and the free second end of first collet and the free second end of second collet pass through bolted connection fixedly. The installation of the rail bottom support is convenient.

Preferably, the free second end of first collet is equipped with first connecting plate, and the free second end of second collet is equipped with the second connecting plate, and first connecting plate and second connecting plate are parallel to each other, and the corresponding position of first connecting plate and second connecting plate is equipped with the connecting hole respectively, and the bolt passes two connecting holes, installs the nut on the bolt, and the bolt is taut fixed with first connecting plate and second connecting plate with the nut cooperation.

Preferably, the first connecting plate and the second connecting plate are located on the inner side of the supporting plate, and an operation window is arranged on the supporting plate corresponding to the nut. The connecting structure is positioned on the inner side of the rail bottom support, and the operation of the welding gun assembly cannot be interfered.

Preferably, the bolt comprises a bolt head and a threaded rod, a baffle is arranged on the bolt head and perpendicular to the threaded rod, a spring is arranged on the threaded rod, one end of the spring is abutted to the baffle, the other end of the spring is abutted to the first connecting plate, and the nut compresses the second connecting plate. The spring compression when the butt joint is taut can prevent that connecting plate or mounting plate from taking place to warp, guarantees the cylindricity of layer board.

Preferably, the baffle plate is provided with a through hole, the threaded rod penetrates through the through hole, and the spring presses the baffle plate to the side end face of the bolt head. The bolt tensioning structure is convenient to process and use.

Can find out through above technical scheme, the utility model discloses an advantage does: a welding machine track bottom support is provided for welding the heat distribution pipeline, a rigid shell is formed outside the heat insulation material layer by taking the exposed steel pipe of the heat distribution pipeline as a support, rigid support is provided for the welding machine track, the roundness of a welding track and the concentricity of the welding track and the heat distribution pipeline are ensured, and the quality and the welding effect of a welding seam are ensured; the collet has stable structure, is not easy to deform after installation, and is convenient to manufacture and use.

Drawings

In order to more clearly illustrate the technical solution of the present invention, the drawings used in the description 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 these drawings without creative efforts.

Fig. 1 is a schematic structural diagram of an automatic pipeline welding machine.

Fig. 2 is a schematic structural diagram of an embodiment of the present invention.

Fig. 3 is a schematic front view of an embodiment of the present invention.

Fig. 4 is a sectional view taken along the line a-a in fig. 3.

Fig. 5 is a sectional view taken along line B-B in fig. 3.

Fig. 6 is a schematic structural diagram of a bolt according to an embodiment of the present invention.

Fig. 7 is a schematic view of the present invention.

In the figure: the welding machine comprises a first support plate 1-1, a second support plate 1-2, a supporting plate 2, an extending portion 2-1, a fixing rod 3, a notch 4, a first connecting plate 5-1, a second connecting plate 5-2, a bolt 6, a nut 7, a baffle 8, a spring 9, a welding machine rail 10, a steel pipe 11, a heat insulation material layer 12 and an operation window 13.

Detailed Description

In order to make the objects, features and advantages of the present invention more obvious and understandable, the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments, and obviously, the embodiments described below are only some embodiments of the present invention, not all 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 scope of protection of this patent.

As shown in figures 2-6, the automatic welding machine rail bottom support for welding the thermal power pipeline comprises two semi-annular bottom support monomers, wherein each bottom support monomer comprises a supporting plate 2 and a first support plate 1-1 and a second support plate 1-2 which are arranged in parallel, the first support plate 1-1 and the second support plate 1-2 are semi-annular, a certain number of fixing rods 3 are uniformly arranged between the first support plate 1-1 and the second support plate 1-2 along the circumferential direction, the fixing rods 3 are made of nylon materials, screws are arranged at the positions of the first support plate 1-1 and the second support plate 1-2 corresponding to the fixing rods 3, the screws at two sides respectively tap into the end surfaces at two ends of the fixing rods 3, and the fixing rods 3 are used for keeping the interval between the first support plate 1-1 and the second support plate 1-2 stable so that the two support plates are not easy to deform, at least two notches 4 are respectively arranged on the inner edges of the first support plate 1-1 and the second support plate 1-2, the positions of the notches 4 on the first support plate 1-1 and the second support plate 1-2 are axially corresponding in the same single body with the bottom support, and because the inner steel pipe of the heat distribution pipeline is a spirally welded steel pipe, a raised spiral welding seam exists on the outer circle surface of the spirally welded steel pipe, and the welding seam is positioned in the notch 4 when the bottom support of the track is installed, the installation effect is not influenced;

the layer board 2 laminates and is fixed in the outer fringe of first mounting panel 1-1 and second mounting panel 1-2, two mounting panels of layer board 2 perpendicular to, one side arc limit of layer board 2 and the outer fringe fixed connection of first mounting panel 1-1, layer board 2 is to the epitaxial extension that forms in one side of second mounting panel 1-2 dorsad first mounting panel, and the free cross section of collet is "F" shape promptly, and annular automatic welding machine track collet is formed in two collet monomer tip butt joints:

the two bottom support single bodies are respectively a first bottom support single body and a second bottom support single body, the first end of the first bottom support single body is hinged with the first end of the second bottom support single body, the hinged shaft between the first bottom support single body and the second bottom support single body is along the axial direction of the bottom support single body, the second end of the first bottom support single body is provided with a first connecting plate 5-1, the second end of the second bottom support single body is provided with a second connecting plate 5-2, the first connecting plate 5-1 and the second connecting plate 5-2 are positioned between the supporting plate 2 and the two supporting plates, and three side lines of the first connecting plate and the second connecting plate are respectively welded and fixed with the corresponding supporting plate 2 or the first supporting plate and the second supporting plate, as shown in figure 6, the first connecting plate 5-1 and the second connecting plate 5-2 are parallel to each other, the corresponding positions of the first connecting plate 5-1 and the second connecting plate 5-2 are respectively provided with a connecting hole, the bolt 6 is installed in the two connecting holes together, the bolt 6 comprises a bolt head and a threaded rod, a baffle plate 8 is arranged on the bolt head, a through hole is formed in the baffle plate 8, the threaded rod vertically penetrates through the baffle plate 8 from the through hole, a spring 9 is installed on the threaded rod in a sleeved mode, one end of the spring 9 is abutted to the baffle plate 8 and tightly presses the baffle plate 8 to the side end face of the bolt head, the other end of the spring 9 is abutted to the first connecting plate 5-1, a nut 7 is installed after the threaded rod penetrates through the two connecting holes, the nut 7 tightly presses the second connecting plate 5-2, the spring 9 is compressed by a certain length, the first connecting plate 5-1 and the second connecting plate 5-2 are tightly fixed, an operation window 13 is arranged at the position, corresponding to the nut 7, and the nut is convenient to screw or loosen outside the bottom support.

The utility model discloses a use method is shown in figure 7: the automatic welding machine track bottom support is arranged at the end of a heat distribution pipeline in a surrounding mode, the inner edges of the first support plate 1-1 and the second support plate 1-2 are in contact with the end of an exposed steel pipe 11, the nut 7 is screwed down, the automatic welding machine track bottom support is fixed at the position, the extending portion 2-1 of the support plate is located on the periphery of the heat insulation material layer 12, the extending portion 2-1 can be attached to or spaced from the heat insulation material layer 12 by a certain gap, then the welding machine track 10 is arranged on the periphery of the support plate 2 in a surrounding mode, the automatic welding machine track bottom support is used, a rigid shell can be formed outside the heat insulation material layer 12, the welding machine track is prevented from being directly installed on the soft heat insulation material layer 12, and the welding machine track is stable when the welding machine assembly operates.

Can find out through above technical scheme, the beneficial effects of the utility model reside in that: a welding machine track bottom support is provided for welding the heat distribution pipeline, a rigid shell is formed outside the heat insulation material layer by taking the exposed steel pipe of the heat distribution pipeline as a support, rigid support is provided for the welding machine track, the roundness of a welding track and the concentricity of the welding track and the heat distribution pipeline are ensured, and the quality and the welding effect of a welding seam are ensured; the collet has stable structure, is not easy to deform after installation, and is convenient to manufacture and use.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (9)

1. The utility model provides a be used for automatic welding machine track collet of heating power pipeline welding which characterized in that, includes two semi-annular collet monomers, two the free tip of collet docks each other, the collet monomer includes layer board (2) and parallel arrangement's first mounting plate (1-1), second mounting plate (1-2), first mounting plate (1-1) and second mounting plate (1-2) are the semi-annular, layer board (2) laminating and be fixed in on the outer fringe of first mounting plate (1-1) and second mounting plate (1-2), first mounting plate (1-1) and second mounting plate (1-2) all with layer board (2) are perpendicular, first mounting plate (1-1) with an arc limit of layer board (2) is connected, layer board (2) to second mounting plate (1-2) dorsad first mounting plate (1-2) -1) epitaxially forming an extension (2-1) on one side.

2. The automatic welder rail collet for welding heat pipes according to claim 1, wherein a certain number of fixing rods (3) are uniformly arranged between the first bracket plate (1-1) and the second bracket plate (1-2) along the circumferential direction, and both ends of the fixing rods (3) are respectively fixedly connected with the first bracket plate (1-1) and the second bracket plate (1-2).

3. The automatic welder rail collet for welding heat distribution pipes according to claim 2, characterized in that the fixing rod (3) is made of nylon, and the first bracket plate (1-1) and the second bracket plate (1-2) are provided with screws corresponding to the position of the fixing rod (3), and the screws are tapped into the end of the fixing rod (3).

4. The automatic welder rail collet for welding heat distribution pipes according to claim 1, characterized in that the inner edges of the first bracket plate (1-1) and the second bracket plate (1-2) are respectively provided with at least two notches (4), and the positions of the notches (4) on the first bracket plate (1-1) and the second bracket plate (1-2) axially correspond to each other in the same collet single body.

5. The automatic welder rail collet for welding the thermal pipe according to any one of claims 1-4, wherein two collet monomers are respectively a first collet monomer and a second collet monomer, a first end of the first collet monomer is hinged to a first end of the second collet monomer, a hinge axis between the first collet monomer and the second collet monomer is along an axial direction of the collet monomer, and a second end of the first collet monomer is fixedly connected to a second end of the second collet monomer by a bolt (6).

6. The automatic welder rail shoe for welding heat pipes according to claim 5, characterized in that the second end of the first shoe single body is provided with a first connecting plate (5-1), the second end of the second shoe single body is provided with a second connecting plate (5-2), the first connecting plate (5-1) and the second connecting plate (5-2) are parallel to each other, the first connecting plate (5-1) and the second connecting plate (5-2) are respectively provided with a connecting hole, the bolt (6) passes through the two connecting holes and is provided with a nut (7), and the bolt (6) is matched with the nut (7) to tension and fix the first connecting plate (5-1) and the second connecting plate (5-2).

7. The automatic welder rail shoe for welding heat pipes according to claim 6, characterized in that said first connecting plate (5-1) and said second connecting plate (5-2) are located inside said pallet (2) on which an operating window (13) is provided in correspondence of said nut (7).

8. The automatic welder rail shoe for welding heat pipes according to claim 6, characterized in that said bolt (6) comprises a bolt head and a threaded rod, said bolt head is provided with a baffle (8), said baffle (8) is perpendicular to said threaded rod, said threaded rod is sleeved with a spring (9), one end of said spring (9) abuts against said baffle (8), the other end of said spring (9) abuts against said first connection plate (5-1), and said nut (7) compresses said second connection plate (5-2).

9. The automatic welder rail shoe for welding thermal pipes according to claim 8, characterized in that said baffle (8) is provided with a through hole through which said threaded rod passes, said spring (9) pressing said baffle (8) against the side end face of the bolt head.

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