CN210789613U

CN210789613U - Welding auxiliary device for welding high-strength steel of hydraulic support

Info

Publication number: CN210789613U
Application number: CN201921606476.4U
Authority: CN
Inventors: 李明忠; 张丽萍; 王敬东; 张德生
Original assignee: Tiandi Science and Technology Co Ltd
Current assignee: Tiandi Science and Technology Co Ltd
Priority date: 2019-09-25
Filing date: 2019-09-25
Publication date: 2020-06-19
Anticipated expiration: 2029-09-25

Abstract

The utility model discloses a be used for hydraulic support high-strength steel welded welding auxiliary device for treat welding plate material welding position both sides for reduce among the prior art too big and influence the problem of base metal performance in welding heat affected zone, its structure includes: the upper magnetic block, the lower magnetic block and the connecting rod, wherein four of the upper magnetic block are respectively positioned around the welding position of two plates to be welded, the lower magnetic block is adsorbed on the other surface of the plate to be welded through magnetic force, the magnetic blocks are communicated with an external cooling device through water cooling pipes, and meanwhile, the lower temperature of the magnetic blocks is kept by matching with heat dissipation strips on the surfaces of the magnetic blocks, so that more welding heat can be absorbed, and the welding heat diffused to a base material is reduced; the utility model discloses an go up the magnetic path and enclose into a concave surface, it is more stable for open surface operational environment to utilize the protective gas among the gas shielded arc welding to flow and come supplementary cooling, the cooperation water-cooling reduces the welding heat affected area.

Description

Welding auxiliary device for welding high-strength steel of hydraulic support

Technical Field

The utility model belongs to the technical field of hydraulic support high-strength steel welding equipment, concretely relates to be used for hydraulic support high-strength steel welded welding auxiliary device.

Background

The hydraulic support is a bearing component used in devices such as mines and the like, the hydraulic support usually needs to adopt special high-strength steel which is special steel with high strength and high toughness and is formed by welding when used for the hydraulic support, the early welding method is shielded metal arc welding, but the welding quality of the method is poor and is easily interfered by the outside, meanwhile, the welding temperature for welding the high-strength steel is relatively higher, the area of a heat affected zone is larger, the performance of a non-welding part can be influenced by heat, because the hydraulic support is the bearing component, if the performance of a parent metal is influenced, the hidden trouble is caused to the use, therefore, carbon dioxide gas shielded welding is adopted at present, compared with the traditional shielded metal arc welding, the heat output is more concentrated, the heat output to the parent metal is reduced, meanwhile, the influence of the outside air on the welding zone is shielded by carbon dioxide, the welding seam quality is better, but the heat conductivity of the high, the heat affected zone of the welder remains large.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a be used for welded welding auxiliary device of hydraulic support high-strength steel can reduce the welding heat affected zone under the condition that does not influence the welding and use, reduces the influence to the base metal.

In order to achieve the technical purpose, the utility model adopts the following technical scheme:

a welding auxiliary device for welding high-strength steel of a hydraulic support comprises an upper magnetic block, a lower magnetic block and a connecting rod; the upper magnetic block is provided with a plurality of blocks which are respectively arranged around the welding position, the bottom of the upper magnetic block is a magnet, a spiral cooling loop is arranged inside the upper magnetic block, and the cooling loop is communicated with an external cooling device through a water cooling pipe to cool the upper magnetic block; the lower magnetic block is a hollow cuboid, a magnet is arranged on the surface, in contact with the plate to be welded, of the lower magnetic block, the lower magnetic block is connected through a connecting rod, the number and the position of the lower magnetic block are the same as those of the upper magnet, a cooling circuit is also arranged in the lower magnetic block, and the cooling circuit cools the lower magnetic block through an external cooling device.

Furthermore, the upper magnet is a cylinder with a trapezoidal section, the surface of the trapezoidal bottom edge is in contact with the base metal, the slope of the side surface of the upper magnet close to the welding position is lower, and the slope surface is an inward-concave arc surface.

Furthermore, the cambered surface is provided with a radiating fin which is vertical to the plane, the radiating fin is vertical to the top edge and the bottom edge of the concave surface, and more than one radiating fin is arranged on the concave surface in parallel.

The utility model discloses following beneficial effect has at least:

(1) the upper and lower magnetic blocks arranged near the welding position absorb the generated welding heat, so that the welding heat is reduced from entering the base material in a large amount.

(2) The moving is convenient, the upper magnetic block can be moved by utilizing the lower magnetic block connecting plate, and the adjusting device can be flexibly adjusted along with different welding positions.

(3) The magnet block is hollow, and is communicated with an external cooling device by utilizing the water cooling pipe, so that the temperature of the magnet block is always low, more welding heat can be absorbed, and the heat is reduced from diffusing to base materials around a welding position.

(4) The radiating fins arranged on the upper magnetic block can be cooled by carbon dioxide gas flowing through the surface of the radiating fins, and the cooling is carried out by matching with water cooling.

Drawings

The accompanying drawings, which form a part of the specification, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention and not to limit the invention.

In the drawings:

fig. 1 schematically shows a structural schematic view of a top view angle of the present invention;

FIG. 2 schematically illustrates a cross-sectional view taken along line A-A of FIG. 1;

wherein the figures include the following reference numerals:

1-a plate to be welded, 2-a welding head, 31-an upper magnetic block, 32-a radiating fin, 33-a water-cooling pipe, 34-a lower magnetic block and 35-a connecting rod.

Detailed Description

It should be noted that the following detailed description is exemplary and is intended to provide further explanation of the disclosure; unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application; as used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.

Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

Spatially relative terms, such as "above … …," "above … …," "above … …, above," "overlying" and the like, may be used herein for ease of description to describe one device or feature's spatial relationship to another device or feature as illustrated in the figures; it will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures.

Examples

Fig. 1-2 show a welding auxiliary device for welding high-strength steel of a hydraulic support, which is used on two sides of a welding position of a plate 1 to be welded and used for reducing the problem that the performance of a base metal is influenced by overlarge welding heat affected zone in the prior art, and the structure of the welding auxiliary device comprises: the welding device comprises an upper magnetic block 31, a lower magnetic block 34 and a connecting rod 35, wherein four of the upper magnetic block 31 are respectively positioned around the welding position of two plates to be welded 1, the lower magnetic block 34 is adsorbed on the other surface of the plate to be welded 1 through magnetic force, the magnetic blocks are communicated with an external cooling device through a water-cooling pipe 33, and meanwhile, the lower temperature of the magnetic blocks is kept by matching with heat dissipation strips on the surfaces of the magnetic blocks, so that more welding heat can be absorbed, and the welding heat diffused to a base material is reduced.

As shown in FIG. 2, when in use, the welding head is directly aligned to the gap to be welded, the welding head is surrounded by the upper magnetic block 31, four upper magnetic blocks 31 are surrounded into a square, two of the upper magnetic blocks 31 are perpendicular to the welding seam, the upper magnetic block 31 is a cylinder with a trapezoidal cross section, the surface of the trapezoidal bottom edge is in contact with the base metal, the side slope of the upper magnetic block 31 close to the welding position is lower, the slope surface is an inward concave arc surface, the bottom of the upper magnetic block 31 is a magnet, the rest part of the upper magnetic block is not a magnet, a cooling circuit of a spiral type is arranged in the upper magnetic block, the cooling circuit is communicated with an external cooling device through a water cooling pipe 33, the heat absorbed by the upper magnetic block 31 is led out through the flow of cooling water in the water cooling pipe 33, the upper magnetic block 31 is kept at a lower temperature, and the welding position is surrounded by the upper magnetic block 31, so that part, since the upper magnetic block 31 is communicated with an external cooling device, a large amount of welding heat can be absorbed, and the influence of the large amount of welding heat on the base material is reduced.

It is worth noting that: a wide groove is reserved at the bottoms of the two upper magnetic blocks 31 on the welding seam to avoid contact with the welding seam.

Further, a heat dissipation plate 32 is further arranged on the concave surface of the upper magnetic block 31 close to the welding position, as shown in fig. 1-2, the heat dissipation plate 32 is perpendicular to the plane, and the heat dissipation plate 32 is perpendicular to the top edge and the bottom edge of the concave surface, of course, more than one heat dissipation plate 32 is arranged on the concave surface in parallel, and the protective gas generated by the welding head during working can flow along the concave surface of the upper magnetic block 31, and can cool the upper magnetic block 31 when passing through the heat dissipation plate 32, so that the auxiliary water cooling effect is better, and the upper magnetic block 31 surrounds the welding position and is no longer an open space, so that the welding head is less prone to external interference during use, and the quality of the welding seam is.

The lower magnetic block 34 is a cuboid with the bottom surface of the same shape as that of the upper magnetic block, magnets are arranged on the contact surface of the lower magnetic block 34 and the plate 1 to be welded, the lower magnetic block 34 is also provided with four blocks which are connected through a connecting rod 35, the connecting rod 35 is in a cross shape, the lower magnetic block 34 is connected with the upper magnetic block 31 at the same position, the lower magnetic block 34 and the connecting rod are communicated with an external cooling device through a water cooling pipe 33, the lower magnetic block 34 is cooled, the position of the upper magnetic block can be adjusted by pushing the connecting rod 35 when the welding position changes, or the lower magnetic block is pushed by an existing automatic telescopic device to follow the welding head 2 to adjust the position.

In this example, the welding method used was CO₂And (4) gas shielded welding.

In this embodiment, the external cooling device is a mature prior art and can be purchased directly, and thus will not be described in detail.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention; such modifications and substitutions do not depart from the spirit and scope of the present invention.

Claims

1. The utility model provides a be used for welded welding auxiliary device of hydraulic support high-strength steel which characterized in that: comprises an upper magnetic block, a lower magnetic block and a connecting rod; the upper magnetic block is provided with a plurality of blocks which are respectively arranged around the welding position, the bottom of the upper magnetic block is a magnet, a spiral cooling loop is arranged inside the upper magnetic block, and the cooling loop is communicated with an external cooling device through a water cooling pipe to cool the upper magnetic block; the lower magnetic block is a hollow cuboid, a magnet is arranged on the surface, in contact with the plate to be welded, of the lower magnetic block, the lower magnetic block is connected through a connecting rod, the number and the position of the lower magnetic block are the same as those of the upper magnet, a cooling circuit is also arranged in the lower magnetic block, and the cooling circuit cools the lower magnetic block through an external cooling device.

2. The welding auxiliary device for welding the high-strength steel of the hydraulic support according to claim 1, wherein: the upper magnet is a cylinder with a trapezoidal section, the surface of the trapezoidal bottom edge is in contact with the base metal, the slope of the side surface of the upper magnetic block close to the welding position is lower, and the slope surface is an inward-concave arc surface.

3. The welding auxiliary device for welding the high-strength steel of the hydraulic support according to claim 2, wherein: the cambered surface is provided with a radiating fin which is vertical to the plane, the radiating fin is vertical to the top edge and the bottom edge of the concave surface, and more than one radiating fin is arranged on the concave surface in parallel.