Welding device

Abstract

The utility model relates to a welding device, and relates to the technical field of petroleum drilling. The welding device comprises a supporting piece, a welding assembly, a clamping assembly and a carrying structure. The welding assembly is movably arranged on the supporting piece; the clamping assembly is arranged on the supporting piece, and the clamping assembly is used for clamping a to-be-welded piece and driving the to-be-welded piece to rotate; the carrying structure is movably arranged on the supporting piece and used for bearing the to-be-welded piece so as to guarantee the rotation stability of the to-be-welded piece. According to the technical scheme, the drill rod connector can be prevented from inclining in the welding process, and the welding effect of the abrasion-resistant belt of the drill rod connector is guaranteed.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of oil drilling, in particular to a welding device. BACKGROUND

[0002] Drill pipe is a key tool for connecting drilling rig surface equipment and well bottom drilling equipment, and plays a role of tripping in and out of the drill bit, applying drilling pressure, transmitting power, and conveying drilling fluid. In the process of oil field exploration and development drilling, especially in deep wells, large displacement wells and high angle wells, drill pipe joints are severely worn, causing significant losses to oil fields. Therefore, wear-resistant tape technology, as the main way to protect drill pipe joints, is widely used.

[0003] The welding of the wear-resistant tape is completed by the welding device. An installation space for horizontally arranging the rod is arranged on the welding device. The drill pipe joint is clamped by the driving structure of the welding device. The driving structure drives the drill pipe joint to rotate, and the welding gun of the welding device performs annular welding on the outer circumferential surface of the drill pipe joint.

[0004] However, it is found that at least the following problems exist in the prior art: Because the drill pipe joint has a certain length, and the driving structure is only clamped at one end of the drill pipe joint, and due to the torque of the drill pipe joint itself, the drill pipe joint will tilt, resulting in poor welding effect of the wear-resistant tape and affecting normal use. UTILITY MODEL CONTENT

[0005] The utility model embodiment provides a kind of welding device, can avoid drill pipe joint to tilt in welding process, guarantee the wear-resistant tape welding effect of drill pipe joint.

[0006] In a first aspect, the utility model embodiment provides a kind of welding device, comprising:

[0007] Supporting member;

[0008] Welding assembly, movably arranged on the supporting member;

[0009] Clamping assembly, arranged on the supporting member, the clamping assembly is used to clamp the piece to be welded and drive the piece to be welded to rotate;And

[0010] Supporting structure, movably arranged on the supporting member, the supporting structure is used to support the piece to be welded, to guarantee the stability of the piece to be welded rotation.

[0011] In an embodiment, the clamping assembly includes:

[0012] Case, arranged on the supporting member;

[0013] Clamping driving member, arranged on the case;And

[0014] A chuck is arranged on the clamping driving member, and the chuck is capable of clamping the workpiece to be welded.

[0015] The clamping driving member is capable of driving the chuck to rotate.

[0016] In an embodiment, the supporting structure comprises a plurality of supporting assemblies, and the plurality of supporting assemblies are arranged along the length direction of the support member.

[0017] In an embodiment, the supporting assembly comprises:

[0018] A supporting seat is movably arranged on the support member.

[0019] A first supporting part is arranged on the supporting seat and is capable of supporting the workpiece to be welded.

[0020] A second supporting part is movably arranged on the supporting seat.

[0021] The angle between the second supporting part and the workpiece to be welded is adjustable, so that the second supporting part can press the workpiece to be welded or be separated from the workpiece to be welded.

[0022] In an embodiment, the first supporting part comprises two supporting groups arranged along the width direction of the support member, and each supporting group comprises at least one supporting roller rotatably arranged on the supporting seat.

[0023] In an embodiment, the supporting group comprises a plurality of supporting rollers rotatably arranged on the supporting seat, and the plurality of supporting rollers are arranged along the length direction of the support member.

[0024] In an embodiment, the second supporting part comprises:

[0025] A supporting driving member is rotatably arranged on the supporting seat.

[0026] A transmission member is rotatably arranged on the supporting seat, one end of the transmission member is rotatably connected with the telescopic rod of the supporting driving member.

[0027] At least one pressing roller is rotatably arranged on the transmission member.

[0028] The telescopic rod of the supporting driving member is capable of driving the transmission member to rotate, so that the pressing roller presses the workpiece to be welded or is separated from the workpiece to be welded.

[0029] In an embodiment, the second supporting part comprises a plurality of pressing rollers rotatably arranged on the transmission member, and the plurality of pressing rollers are arranged along the length direction of the support member.

[0030] In one embodiment, the welding assembly comprises:

[0031] a main body movably arranged on the support; and

[0032] a welding gun arranged on the main body, the welding gun being used for welding.

[0033] In one embodiment, the welding device comprises a guide rod arranged on the support and a sliding rail, the carrier seat is movably arranged on the guide rod, and the main body is movably arranged on the sliding rail.

[0034] Compared with the prior art, the welding device has the advantages that the clamping assembly is arranged to clamp the to-be-welded piece, the carrier structure is arranged to carry the to-be-welded piece, the stability of the to-be-welded piece in rotation is ensured, the limiting effect is improved, compared with the prior art in which only one end of the to-be-welded piece is fixed, the to-be-welded piece can be effectively prevented from forming a cantilever structure, so that the to-be-welded piece can be prevented from being inclined, the welding quality is improved, and the welding effect of the wear-resistant belt on the to-be-welded piece is ensured. The clamping assembly is arranged to drive the to-be-welded piece to rotate, so as to cooperate with the welding assembly to weld the wear-resistant belt on the circumferential surface of the to-be-welded piece. The carrier structure is movably arranged on the support, so that the user can move the carrier structure according to the length of the to-be-welded piece, the structural interference between the carrier structure and the welding assembly can be avoided, the stability of the support can be improved, and the flexibility and practicality are high. The welding assembly is movably arranged on the support, so that the user can weld at multiple positions on the to-be-welded piece according to needs, and the welding speed is improved. BRIEF DESCRIPTION OF DRAWINGS

[0035] Hereinafter, the utility model will be described in more detail based on the embodiments and with reference to the drawings.

[0036] Figure 1 is a structural schematic view of a welding device provided by an embodiment of the utility model;

[0037] Figure 2 is Figure 1 is a structural schematic view of the welding device in another view provided by an embodiment;

[0038] Figure 3 is Figure 1 is a structural schematic view of a carrier assembly provided by an embodiment.

[0039] Reference signs:

[0040] 10, support; 20, welding assembly; 210, main body; 220, welding gun; 30, clamping assembly; 310, machine box; 320, chuck; 40, supporting structure; 410, supporting assembly; 4101, supporting seat; 4102, first supporting part; 4103, second supporting part; 4105, supporting roller; 4106, supporting driving part; 4107, transmission part; 4108, pressing roller; 50, guide rod; 60, slide rail; 70, to-be-welded part. DETAILED DESCRIPTION

[0041] The utility model will be further described below with reference to the drawings.

[0042] The welding of the wear-resistant band is completed by the welding device, an installation space for horizontally arranging the rotating rod is arranged on the welding device, the drill rod joint is clamped by the driving structure of the welding device, the driving structure drives the rotation of the drill rod joint, and the welding gun of the welding device annularly welds the outer circumferential surface of the drill rod joint.

[0043] However, it is found that at least the following problems exist in the prior art: the drill rod joint has a certain length, the driving structure is only clamped at one end of the drill rod joint, and the drill rod joint is inclined due to the torque of the drill rod joint itself, which affects the welding effect of the wear-resistant band and normal use.

[0044] In order to solve the above technical problems, at least one embodiment of the utility model provides a welding device, which comprises a support 10, a welding assembly 20, a clamping assembly 30 and a supporting structure 40; the welding assembly 20 is movably arranged on the support 10; the clamping assembly 30 is arranged on the support 10, and the clamping assembly 30 is used for clamping the to-be-welded part 70 and driving the to-be-welded part 70 to rotate; the supporting structure 40 is movably arranged on the support 10, and the supporting structure 40 is used for supporting the to-be-welded part 70, so as to ensure the stability of the rotation of the to-be-welded part 70.

[0045] It can be seen from the above that the clamping assembly 30 is arranged to clamp the to-be-welded piece 70, and the to-be-welded piece 70 is supported by the supporting structure 40, so as to ensure the stability of the rotation of the to-be-welded piece 70 and improve the limiting effect. Compared with the existing welding device which only fixes one end of the to-be-welded piece 70, the to-be-welded piece 70 can effectively avoid forming a cantilever structure, so as to avoid the to-be-welded piece 70 from being inclined, improve the welding quality, and ensure the welding effect of the wear-resistant belt on the to-be-welded piece 70. The clamping assembly 30 is arranged to drive the to-be-welded piece 70 to rotate, so as to cooperate with the welding assembly 20 to weld the wear-resistant belt on the circumferential surface of the to-be-welded piece 70. The supporting structure 40 is movably arranged on the support 10, so that the user can move the supporting structure 40 according to the length of the to-be-welded piece 70. The supporting structure 40 can avoid structural interference with the welding assembly 20, and can improve the stability, flexibility and practicability of the support. The welding assembly 20 is movably arranged on the support 10, so that the user can weld at multiple positions on the to-be-welded piece 70 as needed, thereby improving the welding speed.

[0046] As shown in Figure 1 The welding device comprises a support 10, a welding assembly 20, a clamping assembly 30 and a supporting structure 40. The welding assembly 20 is movably arranged on the support 10. The welding assembly 20 is movably arranged on the support 10, so that the user can weld at multiple positions on the to-be-welded piece 70 as needed, thereby improving the welding speed.

[0047] The clamping assembly 30 is arranged on the support 10, and the clamping assembly 30 is used to clamp the to-be-welded piece 70 and drive the to-be-welded piece 70 to rotate. The clamping assembly 30 is arranged to drive the to-be-welded piece 70 to rotate, so as to cooperate with the welding assembly 20 to weld the wear-resistant belt on the circumferential surface of the to-be-welded piece 70.

[0048] The supporting structure 40 is movably arranged on the support 10, and the supporting structure 40 is used to support the to-be-welded piece 70 to ensure the stability of the rotation of the to-be-welded piece 70.

[0049] The clamping assembly 30 is arranged to clamp the to-be-welded piece 70, and the to-be-welded piece 70 is supported by the supporting structure 40, so as to ensure the stability of the rotation of the to-be-welded piece 70 and improve the limiting effect. Compared with the existing welding device which only fixes one end of the to-be-welded piece 70, the to-be-welded piece 70 can effectively avoid forming a cantilever structure, so as to avoid the to-be-welded piece 70 from being inclined, improve the welding quality, and ensure the welding effect of the wear-resistant belt on the to-be-welded piece 70.

[0050] It should be noted that the to-be-welded piece 70 is a drill rod joint.

[0051] It should be noted that the welding assembly 20 and the supporting structure 40 can be moved along the length direction of the support 10, and the moving mode includes but is not limited to manual or electric push rod pushing.

[0052] As shown in the drawings, in one embodiment, the clamping assembly 30 includes a cabinet 310, a clamping driving member, and a chuck 320; the cabinet 310 is arranged on the support 10; the clamping driving member is arranged on the cabinet 310; the chuck 320 is arranged on the clamping driving member, and the chuck 320 can clamp the workpiece 70 to be welded; wherein the clamping driving member can drive the chuck 320 to rotate. Figure 1

[0053] By clamping the workpiece 70 to be welded by the chuck 320, the clamping driving member drives the chuck 320 to rotate, and the workpiece 70 to be welded rotates with the chuck 320, so that the welding assembly 20 can weld the wear-resistant strip on the circumferential surface of the workpiece 70 to be welded.

[0054] It should be noted that the chuck 320 is a mechanical device for clamping the workpiece, and the chuck 320 uses the radial movement of the movable clamping jaw uniformly distributed on the chuck 320 body to clamp and position the workpiece. The chuck 320 includes a chuck 320 body, a movable clamping jaw, and a clamping jaw driving mechanism. The specific structure of the chuck 320 is a prior art, and will not be described here. For example, the chuck 320 is a three-jaw chuck 320, which is convenient to operate and can conveniently realize the disassembly and assembly of the workpiece 70 to be welded.

[0055] It should be noted that the clamping driving member can be a motor.

[0056] As shown in the drawings, in one embodiment, the supporting structure 40 includes a plurality of supporting assemblies 410, and the plurality of supporting assemblies 410 are arranged at intervals along the length direction of the support 10. By arranging the plurality of supporting assemblies 410, the stability, flexibility, and practicality of the supporting structure 40 are further improved. Figure 2

[0057] It should be noted that, as shown in the drawings, the length direction of the support 10 is parallel to the X direction. Figure 1 It should be noted that, as shown in the drawings, the supporting structure 40 includes two supporting assemblies 410.

[0058] Figure 2 As shown in the drawings,

[0059] As shown in the drawings, Figure 2 Figure 3 ​​​​As shown in the drawings, in one embodiment, the supporting assembly 410 comprises a supporting base 4101, a first supporting part 4102 and a second supporting part 4103; the supporting base 4101 is movably arranged on the support 10; the first supporting part 4102 is arranged on the supporting base 4101 and can support the to-be-welded piece 70; the second supporting part 4103 is movably arranged on the supporting base 4101; wherein the angle between the second supporting part 4103 and the to-be-welded piece 70 is adjustable, so that the second supporting part 4103 can press the to-be-welded piece 70 or be separated from the to-be-welded piece 70.

[0060] The first supporting part 4102 and the second supporting part 4103 cooperate to limit the to-be-welded piece 70, thereby ensuring the stability of the to-be-welded piece 70 during rotation. By adjusting the angle between the second supporting part 4103 and the to-be-welded piece 70, the second supporting part 4103 can be applied to to-be-welded pieces 70 of different diameters, thereby expanding the range of use and further improving the practicality and flexibility.

[0061] It should be noted that the supporting base 4101 comprises a horizontal piece and a vertical piece connected to the horizontal piece, the horizontal piece is perpendicular to the vertical piece, the first supporting part 4102 is arranged on the horizontal piece, and the second supporting part 4103 is movably arranged on the vertical piece.

[0062] As shown in the drawings, Figure 2 , Figure 3 in one embodiment, the first supporting part 4102 comprises two supporting groups arranged at intervals along the width direction of the support 10, wherein each supporting group comprises at least one supporting roller 4105 movably arranged on the supporting base 4101.

[0063] The supporting groups arranged at intervals along the width direction of the support 10 jointly form a space for supporting the to-be-welded piece 70; by arranging the supporting rollers 4105, the normal rotation of the to-be-welded piece 70 under the action of the clamping assembly 30 can be ensured while the to-be-welded piece 70 is supported and limited, thereby ensuring the normal progress of the welding work.

[0064] It should be noted that, as shown in the drawings, Figure 1 the width direction of the support 10 is parallel to the Y direction, and each supporting group comprises one supporting roller 4105 movably arranged on the supporting base 4101.

[0065] In one embodiment, each supporting group comprises a plurality of supporting rollers 4105 movably arranged on the supporting base 4101, and the plurality of supporting rollers 4105 are arranged at intervals along the length direction of the support 10.

[0066] By arranging the plurality of supporting rollers 4105 arranged at intervals along the length direction of the support 10, the reliability of the support of the first supporting part 4102 is improved.

[0067] As shown in Figure 2 , Figure 3 shown, in one embodiment, the second supporting part 4103 comprises a supporting driving part 4106, a transmission part 4107, and at least one pressing roller 4108; the supporting driving part 4106 is rotatably arranged on the supporting seat 4101; the transmission part 4107 is rotatably arranged on the supporting seat 4101, one end of the transmission part 4107 is rotatably connected with the telescopic rod of the supporting driving part 4106; and the at least one pressing roller 4108 is rotatably arranged on the transmission part 4107; wherein the telescopic rod of the supporting driving part 4106 can drive the transmission part 4107 to rotate, so as to make the pressing roller 4108 press or separate from the to-be-welded piece 70.

[0068] The supporting driving part 4106, the transmission part 4107, and the supporting seat 4101 form a linkage mechanism together, the telescopic rod of the supporting driving part 4106 drives the transmission part 4107 to pitch and rotate, and the pressing roller 4108 moves together with the transmission part 4107, so that the included angle between the pressing roller 4108 and the to-be-welded piece 70 changes, the to-be-welded piece 70 is pressed or separated, the structure is simple, the clamping process saves time and labor, and the practicality is high.

[0069] It should be noted that the supporting driving part 4106 includes but is not limited to an electric push rod and an air cylinder.

[0070] It should be further noted that the supporting driving part 4106 can be rotatably arranged on the supporting seat 4101 in a hinged manner, and the transmission part 4107 can also be rotatably arranged on the supporting seat 4101 in a hinged manner.

[0071] As shown in Figure 2 , Figure 3 shown, in one embodiment, the second supporting part 4103 comprises a plurality of pressing rollers 4108 rotatably arranged on the transmission part 4107, and the plurality of pressing rollers 4108 are arranged at intervals along the length direction of the supporting part 10.

[0072] The plurality of pressing rollers 4108 arranged at intervals along the length direction of the supporting part 10 improve the reliability of the pressing of the second supporting part 4103. The pressing roller 4108 can limit the to-be-welded piece 70 while ensuring the normal rotation of the to-be-welded piece 70 under the action of the clamping assembly 30, so as to ensure the normal progress of the welding work.

[0073] As shown in Figure 1 shown, in one embodiment, the welding assembly 20 comprises a main body part 210 and a welding gun 220; the main body part 210 is movably arranged on the supporting part 10; and the welding gun 220 is arranged on the main body part 210 and is used for welding.

[0074] It should be noted that the main body 210 includes a wire feeder and a welding wire spool, the specific structure of which is prior art and is not limited in this application. The specific structure of the welding torch 220 is prior art and is not limited in this application.

[0075] like Figure 1 As shown, in one embodiment, the welding device includes a guide rod 50 and a slide rail 60 disposed on the support member 10, a support seat 4101 movably disposed on the guide rod 50, and a main body 210 movably disposed on the slide rail 60.

[0076] It should be noted that, as Figure 1 As shown, there are two guide rods 50, which are arranged at intervals along the width direction of the support member 10 to ensure the stable sliding of the support seat 4101. The support seat 4101 is provided with sliding holes for the guide rods 50 to pass through. The sliding holes cooperate with the guide rods 50 to realize the sliding of the support seat 4101.

[0077] In the description of this utility model, it should be understood that the terms "center," "longitudinal," "transverse," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," and "circumferential," etc., indicating the orientation or positional relationship shown in the accompanying drawings, are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model. Furthermore, features defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of this utility model, unless otherwise stated, "a plurality of" means two or more. In the description of this utility model, "above" or "below" a second feature may include direct contact between the first and second features, or it may include contact between the first and second features not being in direct contact but through another feature between them.

[0078] In the description of this utility model, the terms "above", "over" and "on top" for the first feature and the second feature include the first feature being directly above or diagonally above the second feature, or simply indicate that the first feature is at a higher horizontal level than the second feature.

[0079] In the description of the utility model, it is necessary to explain, unless there is definite stipulation and limitation, the term "installation", "link", "connection" should do broad sense understanding, for example, can be fixed connection, also can be detachable connection, or integrally connected;Can be mechanical connection, also can be electrical connection;Can be directly connected, also can pass through intermediate medium indirectly connect, can be two element inside the intercommunication.For the ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0080] In the description of the present specification, the description of the terms "one embodiment", "some embodiments", "illustrative embodiment", "example", "specific example" or "some examples" means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In the present specification, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0081] Although the utility model has been described with reference to the preferred embodiments, various improvements can be made and the components therein can be replaced with equivalents without departing from the scope of the utility model. In particular, the technical features mentioned in each embodiment can be combined in any way as long as there is no structural conflict. The utility model is not limited to the specific embodiments disclosed herein, but includes all technical solutions falling within the scope of the claims.

Claims

1. A welding device, characterized in that, The welding device comprises: a support; a welding assembly movably arranged on the support; a clamping assembly arranged on the support, the clamping assembly being used for clamping a workpiece to be welded and driving the workpiece to rotate; a supporting structure movably arranged on the support, the supporting structure being used for supporting the workpiece to be welded to ensure stability of the workpiece rotating. The clamping assembly comprises:

2. The welding device of claim 1, wherein, a cabinet arranged on the support; a clamping driving member arranged on the cabinet; and a chuck arranged on the clamping driving member, the chuck being capable of clamping the workpiece to be welded; wherein the clamping driving member is capable of driving the chuck to rotate. The supporting structure comprises a plurality of supporting assemblies, and the plurality of supporting assemblies are arranged at intervals along a length direction of the support.

3. The welding device of claim 1, wherein, The supporting assembly comprises:

4. The welding device of claim 3, wherein, a supporting seat movably arranged on the support; a first supporting part arranged on the supporting seat and capable of supporting the workpiece to be welded; and a second supporting part movably arranged on the supporting seat; wherein an angle between the second supporting part and the workpiece to be welded is adjustable, so that the second supporting part is capable of pressing the workpiece to be welded or being separated from the workpiece to be welded. The first supporting part comprises two supporting groups arranged at intervals along a width direction of the support, and the supporting group comprises at least one supporting roller rotatably arranged on the supporting seat.

5. The welding device of claim 4, wherein, The supporting group comprises a plurality of supporting rollers rotatably arranged on the supporting seat, and the plurality of supporting rollers are arranged at intervals along the length direction of the support.

6. The welding device of claim 5, wherein, The second supporting part comprises:

7. The welding device of claim 4, wherein, a supporting driving member rotatably arranged on the supporting seat; a transmission member rotatably arranged on the supporting seat, one end of the transmission member being rotatably connected with a telescopic rod of the supporting driving member; and at least one pressing roller rotatably arranged on the transmission member; wherein the telescopic rod of the supporting driving member is capable of driving the transmission member to rotate, so that the pressing roller presses the workpiece to be welded or is separated from the workpiece to be welded. The second supporting part comprises a plurality of pressing rollers rotatably arranged on the transmission member, and the plurality of pressing rollers are arranged at intervals along the length direction of the support.

8. The welding device of claim 7, wherein, The welding assembly comprises:

9. The welding device according to any of claims 4-8, characterized in that, a main body movably arranged on the support; and a welding gun arranged on the main body, the welding gun being used for welding. The welding device comprises a guide rod and a slide rail arranged on the support, the supporting seat is movably arranged on the guide rod, and the main body is movably arranged on the slide rail.

10. The welding device of claim 9, wherein, ​

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