Narrow space welding device

Abstract

The utility model provides a narrow space welding device, which belongs to the technical field of welding and comprises a rotating part, a clamping component, a welding device and a supporting component are detachably sleeved on the outer side of the rotating part, and the rotating part can rotate under the action of external force; the clamping assembly is rotatably arranged outside the rotating piece, and the clamping assembly is suitable for fixing the partition plate; the welding device is provided with a welding gun head used for welding the partition plate and the tubular column. The supporting assembly is rotatably arranged on the outer side of the rotating part in a sleeving manner and is fixedly arranged; the rotating piece rotates to drive the welding device to rotate along the axis of the rotating piece, and the partition plate and the tubular column are welded. According to the welding device, the clamping assembly, the welding device and the supporting assembly are arranged on the rotating piece in the sleeving mode, so that the partition plate can be welded to the interior of the tubular column by rotating the rotating piece, a worker does not need to drill into the interior of the tubular column for welding, and the production efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of welding, in particular to a narrow space welding device. Background Art

[0002] At present, when welding partitions inside a circular tube column, workers need to drill in to perform welding operations due to space limitations.

[0003] However, due to the small space, workers are easily exposed to high-temperature welding slag and harmful gases during the welding process, which can easily cause physical fatigue and hypoxia. As a result, workers need to spend more time and energy to adjust the welding angle and position, which reduces the welding efficiency and makes it difficult to ensure the welding quality. Problems such as crooked welds are prone to occur. Utility Model Content

[0004] Therefore, the technical problem to be solved by the utility model is to overcome the defect in the prior art that workers need to drill into the circular tube column for welding, thereby providing a narrow space welding device.

[0005] In order to solve the above technical problems, the utility model provides a narrow space welding device, comprising: a rotating member, a clamping assembly, a welding device and a supporting assembly are detachably sleeved on the outer side of the rotating member, and the rotating member can rotate under the action of an external force;

[0006] The clamping assembly is rotatably arranged outside the rotating member, and the clamping assembly is suitable for fixing the partition;

[0007] The welding device has a welding gun head for welding the partition plate to the round pipe column;

[0008] The support assembly is rotatably sleeved on the outer side of the rotating member, and the support assembly is fixedly arranged;

[0009] The rotation of the rotating part can drive the welding device to rotate along the axis of the rotating part to weld the partition plate and the circular tube column.

[0010] Preferably, the support assembly comprises: a first sleeve and a support rod, the first sleeve is rotatably sleeved on the outer side of the rotating member, and the support rod is fixedly arranged at the lower end of the first sleeve.

[0011] Preferably, a plurality of auxiliary parts are provided at one end of the support rod away from the first sleeve and extending radially outward.

[0012] Preferably, it also includes: a light-emitting body, which is rotatably arranged on the upper end of the first sleeve.

[0013] Preferably, the welding device includes: a second sleeve, a limiter and a telescopic assembly capable of extending and retracting the height, the second sleeve is sleeved on the outside of the rotating member, the limiter passes through the second sleeve radially and is connected to the rotating member, and the limiter is used to fix the telescopic assembly and the rotating member; one end of the telescopic assembly is arranged on the second sleeve, and the other end of the telescopic assembly is rotatably provided with a welding gun head.

[0014] Preferably, the limiting member is a bolt, and the limiting member passes through the second sleeve and abuts against the outer end surface of the rotating member.

[0015] Preferably, the telescopic assembly comprises: a first connecting rod and a second connecting rod, one end of the first connecting rod is fixed to the second sleeve, and the other end of the first connecting rod is threadedly connected to the second connecting rod.

[0016] Preferably, the clamping assembly includes: a third sleeve, an extension rod and a clamping piece, wherein a plurality of extension rods and clamping pieces are arranged in a circular array around the axis of the third sleeve, one end of the extension rod is detachably connected to the third sleeve, and the other end is rotatably arranged on the lower end surface of the clamping piece, and the upper end surface of the clamping piece is open.

[0017] Preferably, a locking piece for fixing the partition is provided on the side end surface of the clamping piece, and the locking piece can reciprocate toward the partition.

[0018] Preferably, scale lines are arranged on the rotating member along the axial direction.

[0019] The technical solution of the utility model has the following advantages:

[0020] 1. The narrow space welding device provided by the utility model can realize welding of the partition to the inside of the circular tube column by sleeve-arranging the clamping assembly, the welding device and the supporting assembly on the rotating part, so that the rotating part can be rotated, without the need for personnel to drill into the inside of the circular tube column for welding, thereby improving production efficiency.

[0021] 2. In the narrow space welding device provided by the utility model, the support rod is fixedly arranged at the lower end of the first sleeve, and the support rod can be supported on the ground. When the rotating part rotates in the first sleeve, the support rod can provide necessary rotation support for the rotating part.

[0022] 3. In the narrow space welding device provided by the utility model, the end of the light-emitting body is rotated on the first sleeve. During welding, the light-emitting body is rotated so that the light source can illuminate the position of the welding gun head, which is convenient for personnel to observe the welding situation. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] In order to more clearly illustrate the specific implementation methods of the utility model or the technical solutions in the prior art, the drawings required for use in the specific implementation methods or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are some implementation methods of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0024] Figure 1 A front view of a narrow space welding device provided in one embodiment of the utility model;

[0025] Figure 2 for Figure 1 A front view of the support assembly in FIG.

[0026] Figure 3 for Figure 1 A front view of the welding device in FIG.

[0027] Figure 4 for Figure 1 Front view of the clamping assembly in .

[0028] Description of reference numerals:

[0029] 1. Rotating part; 2. Welding gun head; 3. First sleeve; 4. Support rod; 5. Auxiliary part; 6. Light-emitting body; 7. Second sleeve; 8. Limiting part; 9. Telescopic assembly; 10. Third sleeve; 11. Extension rod; 12. Clamping part; 13. Locking part. DETAILED DESCRIPTION

[0030] The technical solution of the utility model will be described clearly and completely below in conjunction with the accompanying drawings. Obviously, the described embodiments are part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0031] In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first", "second", and "third" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance.

[0032] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0033] In addition, the technical features involved in the different embodiments of the present invention described below can be combined with each other as long as they do not conflict with each other.

[0034] The narrow space welding device provided in this embodiment is used for welding partitions in a circular tube column.

[0035] like Figure 1 As shown, a specific implementation of the narrow space welding device provided in this embodiment, the outer side of the rotating member 1 is detachably sleeved with a clamping assembly, a welding device and a supporting assembly, and the rotating member 1 can rotate under the action of an external force; the clamping assembly is rotatably arranged outside the rotating member 1, and the clamping assembly is suitable for fixing the partition; the welding device has a welding gun head 2 for welding the partition to the round tube column; the partition is circular and has a central hole. The supporting assembly is rotatably sleeved on the outer side of the rotating member 1, and the supporting assembly is fixed on the ground to provide support when the rotating member 1 rotates; the rotation of the rotating member 1 can drive the welding device to rotate along the axis of the rotating member 1 to weld the partition and the round tube column. During welding, the partition is first clamped and fixed on the clamping assembly, the supporting assembly, the welding device and the clamping assembly are sleeved on the rotating member 1, and the rotating member 1 is extended into the round tube column. By rotating the rotating member 1, during the rotation process, the partition and the round tube column are welded by the welding gun head 2 of the welding device, and the narrow space welding device is provided with a supporting force by the supporting assembly during rotation. By sleevedly arranging a clamping assembly, a welding device and a supporting assembly on the rotating member 1, the partition can be welded to the inside of the circular tube column by rotating the rotating member 1, without the need for personnel to drill into the circular tube column for welding, thereby improving production efficiency.

[0036] In this embodiment, the rotating member 1 is rotated by a person, and a handle is provided at one end of the rotating member 1 for easy rotation by a person, and the rotating member 1 is rotated by rotating the handle. In addition, the rotating member 1 can be driven by other means, such as: a motor, etc.

[0037] like Figure 2As shown, in this embodiment, the support assembly includes: a first sleeve 3 and a support rod 4, the first sleeve 3 is rotatably sleeved on the outside of the rotating member 1, and one support rod 4 is provided. The support rod 4 is fixedly arranged at the lower end of the first sleeve 3, and the support rod 4 can be supported on the ground. When the rotating member 1 rotates in the first sleeve 3, the support rod 4 can provide necessary rotation support for the rotating member 1. In addition, as an alternative embodiment, there can be three support rods 4 arranged in a circumferential array on the first sleeve 3.

[0038] like Figure 2 As shown, in this embodiment, a plurality of auxiliary members 5 are provided radially outwardly extending from one end of the support rod 4 away from the first sleeve 3. The auxiliary members 5 are rod-shaped bodies, and three auxiliary members 5 are provided, extending outwardly from the end of the support rod 4, similar to the supporting structure of a tripod, and having better stability. In addition, as an alternative embodiment, the number of auxiliary members 5 is not limited, and can be four, five, etc.

[0039] like Figure 2 As shown, in this embodiment, it also includes: a light emitting body 6, which is rotatably arranged at the upper end of the first sleeve 3. The light emitting body 6 is a lamp in the prior art, and can be specifically a flashlight. The end of the light emitting body 6 is rotated on the first sleeve 3, and the light emitted by the light emitting body 6 can be irradiated to the position of the welding gun head 2 by rotating the light emitting body 6 during welding, so that the personnel can observe the welding situation. In addition, as an alternative embodiment, the light emitting body 6 may not be provided, and the stable support effect of the support assembly can also be achieved.

[0040] like Figure 3 As shown, in this embodiment, the welding device includes: a second sleeve 7, a stopper 8 and a telescopic assembly 9 capable of telescopic height. The second sleeve 7 is slidably sleeved on the outside of the rotating member 1. The stopper 8 passes through the second sleeve 7 radially and is connected to the rotating member 1. The stopper 8 can keep the telescopic assembly 9 relatively fixed with the rotating member 1, so that the welding device can rotate synchronously during the rotation of the rotating member 1; one end of the telescopic assembly 9 is fixedly welded to the second sleeve 7, and the other end of the telescopic assembly 9 is rotatably provided with a welding gun head 2. By adjusting the angle of the welding gun head 2, it can adapt to different sizes of the round tube column and meet different welding requirements. In addition, as a replaceable embodiment, the second sleeve 7 may not be provided with a stopper 8, and the second sleeve 7 is threadedly connected to the rotating member 1. A nut is screwed on each of the axial ends of the second sleeve 7 to fix the second sleeve 7.

[0041] like Figure 3As shown, in this embodiment, the stopper 8 is a bolt, and the stopper 8 is threadedly connected to the second sleeve 7. After the stopper 8 passes through the second sleeve 7, it abuts against the outer end surface of the rotating member 1, so that the second sleeve 7 and the rotating member 1 remain fixed, preventing the welding gun head 2 from rotating during the rotation of the rotating member 1. In addition, as an alternative embodiment, the rotating member 1 is provided with a plurality of holes along the circumferential direction, and the stopper 8 passes through the holes to fix the second sleeve 7.

[0042] like Figure 3 As shown, in this embodiment, the telescopic assembly 9 includes: a first connecting rod and a second connecting rod, one end of the first connecting rod is fixed to the second sleeve 7, and the other end is threadedly connected to the second connecting rod, and the welding gun head 2 is rotatably arranged at the end of the second connecting rod. In addition, as an alternative embodiment, the telescopic assembly 9 can be set as a cylinder, and the driving end of the cylinder drives the welding gun head 2 to move.

[0043] like Figure 4 As shown, in this embodiment, the clamping assembly includes: a third sleeve 10, an extension rod 11 and a clamping member 12, and four extension rods 11 and clamping members 12 are arranged in an array around the axis of the third sleeve 10. A threaded column extends outward from the outer end surface of the third sleeve 10, one end of the extension rod 11 is threadedly connected to the threaded column of the third sleeve 10, and the other end is threadedly arranged on the lower end surface of the clamping member 12, and the upper end surface of the clamping member 12 is an opening. When installing the partition, the extension rod 11 provided by the clamping member 12 is first threadedly connected to the threaded column of the third sleeve 10, and then the extension rod is screwed to the bottom of the threaded column. When the partition is installed on the clamping member 12, the partition passes through the opening of the upper end surface of the clamping member 12, and the extension rod 11 is screwed in the opposite direction so that the lower end surface of the clamping member 12 is connected to the partition to form a fixation. In addition, as an alternative embodiment, the clamping assembly can be set as a finger cylinder, and the partition is fixed by the finger cylinder.

[0044] like Figure 4 As shown, in this embodiment, the side end surface of the clamping member 12 is provided with a locking member 13 for fixing the partition, and the locking member 13 is a bolt, and the locking member 13 is threadedly connected to the side end surface of the clamping member 12. The locking member 13 can reciprocate toward the partition, so that the locking member 13 can abut against the end surface of the partition, thereby fixing the partition and preventing the partition from moving during the welding process. In addition, as an alternative embodiment, the locking member 13 is a cylinder.

[0045] like Figure 1As shown, in this embodiment, the rotating member 1 is provided with scale lines along the axial direction, and the scale lines can adjust the distance between the clamping assembly, the welding device and the supporting assembly according to the size of the round tube column, so as to adapt to round tube columns of different sizes. In addition, as an alternative embodiment, the rotating member 1 may not be provided with scale lines, and the welding process can also be realized.

[0046] Installation method of narrow space welding device: The first sleeve 3, the second sleeve 7 and the third sleeve 10 are sequentially sleeved on the rotating part 1. Among them, a support rod 4 is provided at the lower end of the first sleeve 3, and the entire narrow space welding device is in a stable state through the auxiliary part 5 at the lower end of the support rod 4. The limiter 8 is screwed to abut against the rotating part 1 for fixing, and the welding gun head 2 is rotated to a suitable angle. Then the partition is installed on the clamping part 12, and the partition is fixed by screwing the locking part 13. Push the entire narrow space welding device into the round tube column and perform welding. The welding condition can be observed by the illumination of the light source 6.

[0047] Obviously, the above embodiments are merely examples for the purpose of clear explanation, and are not intended to limit the implementation methods. For those skilled in the art, other different forms of changes or modifications can be made based on the above description. It is not necessary and impossible to list all the implementation methods here. The obvious changes or modifications derived from them are still within the scope of protection of the present utility model.

Claims

1. A narrow space welding device, characterized in that: include: A rotating member (1), the outer side of which is detachably sleeved with a clamping assembly, a welding device and a supporting assembly, and the rotating member (1) is capable of rotating under the action of an external force; The clamping assembly is rotatably arranged outside the rotating member (1), and the clamping assembly is suitable for fixing the partition; The welding device comprises a welding gun head (2) for welding the partition plate to the circular tube column; The support assembly is rotatably sleeved on the outside of the rotating member (1), and the support assembly is fixedly arranged; The rotation of the rotating member (1) can drive the welding device to rotate along the axis of the rotating member (1) to weld the partition plate and the circular tube column.

2. The narrow space welding device according to claim 1, characterized in that: The support assembly comprises: a first sleeve (3) and a support rod (4); the first sleeve (3) is rotatably sleeved on the outside of the rotating member (1); and the support rod (4) is fixedly arranged at the lower end of the first sleeve (3).

3. The narrow space welding device according to claim 2, characterized in that: One end of the support rod (4) away from the first sleeve (3) is radially extended outward and is provided with a plurality of auxiliary parts (5).

4. The narrow space welding device according to claim 3, characterized in that: Also includes: A light emitting body (6), wherein the light emitting body (6) is rotatably arranged at the upper end of the first sleeve (3).

5. The narrow space welding device according to claim 1, characterized in that: The welding device comprises: a second sleeve (7), a limiting member (8) and a telescopic assembly (9) capable of extending and retracting height, wherein the second sleeve (7) is sleeved on the outside of the rotating member (1), the limiting member (8) passes through the second sleeve (7) in the radial direction and is connected to the rotating member (1), and the limiting member (8) is used to fix the telescopic assembly (9) and the rotating member (1); one end of the telescopic assembly (9) is arranged on the second sleeve (7), and the other end of the telescopic assembly (9) is rotatably provided with the welding gun head (2).

6. The narrow space welding device according to claim 5, characterized in that: The limiting member (8) is a bolt, and after passing through the second sleeve (7), the limiting member (8) abuts against the outer end surface of the rotating member (1).

7. The narrow space welding device according to claim 5, characterized in that: The telescopic assembly (9) comprises: a first connecting rod and a second connecting rod, wherein one end of the first connecting rod is fixed to the second sleeve (7), and the other end is threadedly connected to the second connecting rod.

8. The narrow space welding device according to any one of claims 1 to 7, characterized in that: The clamping assembly comprises: a third sleeve (10), an extension rod (11) and a clamping piece (12); a plurality of the extension rods (11) and the clamping piece (12) are arranged in a circular array around the axis of the third sleeve (10); one end of the extension rod (11) is detachably connected to the third sleeve (10), and the other end is rotatably arranged on the lower end surface of the clamping piece (12); and the upper end surface of the clamping piece (12) is open.

9. The narrow space welding device according to claim 8, characterized in that: A locking piece (13) for fixing the partition is provided on the side end surface of the clamping piece (12), and the locking piece (13) can move back and forth toward the partition.

10. The narrow space welding device according to any one of claims 1 to 7, characterized in that: The rotating member (1) is provided with scale lines along the axial direction.

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