CN216780788U

CN216780788U - Outer welding gantry welding arm structure

Info

Publication number: CN216780788U
Application number: CN202123054026.9U
Authority: CN
Inventors: 何林; 舒先庆; 陈积里; 曾祥光; 王成林; 童升; 朱文杰; 高兴; 管秀芳; 石灿
Original assignee: Wuhan Lixin Intelligent Manufacturing Engineering Co ltd
Current assignee: Wuhan Lixin Intelligent Manufacturing Engineering Co ltd
Priority date: 2021-12-07
Filing date: 2021-12-07
Publication date: 2022-06-21
Anticipated expiration: 2031-12-07

Abstract

The utility model discloses an external welding gantry welding arm structure which comprises a welding arm beam and at least one set of welding arm, wherein the welding arm beam is fixedly connected with a gantry; the welding arm is connected with the welding arm cross beam and can move up and down and left and right relative to the welding arm cross beam; the welding arm beam is in a horizontal state, and when the welding arm runs to the lowest point, the welding arm can weld the welding line to be welded which is located at the lowest position when the jig frame inclines. The application provides an outer welding gantry welding arm structure, simple structure is reasonable, will weld the arm crossbeam fixed, increases and welds arm length, makes the crossbeam can weld without the swing promptly. The occupied space can be reduced, and the safety is improved. The welding arm can be directly adjusted and aligned, the time for adjusting the cross beam is greatly saved, and the working efficiency is improved. Is worthy of large-area popularization and application.

Description

Outer welding gantry welding arm structure

Technical Field

The utility model relates to the technical field of welding equipment, in particular to an external welding gantry welding arm structure.

Background

The steel box girder is an important component in a bridge bearing structure, is generally an orthotropic steel bridge deck and is mainly used for providing support and avoiding bridge deformation. Steel box girders generally include top and bottom plate structures. At present, orthotropic steel bridge deck plates are widely applied to the manufacture of large-span bridges, the bridge roof and the bridge bottom plate are both of the structure, and the orthotropic steel bridge deck plates are formed by welding U ribs and the bottom plate.

Adopt the bed-jig structure of tilting setting, the inclination of control location bed-jig to realize that the U rib is in the tilt state before the welding, make the focus of U rib take place to squint, rely on the change of U rib focus in the welding process of U rib, reduce internal stress and the deformation volume that the welding produced, thereby realize reducing the time that follow-up flame was corrected, improve production efficiency.

Because the welding arms of the external welding equipment in the prior art are short, when the jig frame works, if the jig frame is in a horizontal state, all the welding arms can reach a target welding point and contact with the U-shaped rib for welding. However, when the jig is inclined, a part of the U ribs move to a position below the horizontal position of the jig, so that a part of the welding arms cannot reach a welding target point.

Since the welding arm beam needs to swing, the swing back and forth occupies more space, and meanwhile danger may occur. In addition, the inclination angle of the welding arm needs to be adjusted firstly during welding, and then positioning is carried out, so that the steps are complicated.

SUMMERY OF THE UTILITY MODEL

The utility model provides an external welding gantry welding arm structure.

The utility model provides the following scheme:

an outer welding gantry welding arm structure comprises a welding arm beam and at least one set of welding arm, wherein the welding arm beam is fixedly connected with a gantry; the welding arm is connected with the welding arm cross beam and can move up and down and left and right relative to the welding arm cross beam;

the welding arm beam is in a horizontal state, and when the welding arm runs to the lowest point, the welding arm can weld the welding line to be welded which is located at the lowest position when the jig frame inclines.

Preferably: weld and be formed with on the arm crossbeam and follow the first linear guide rail that the long direction of arm crossbeam extended welds, weld the arm pass through the sliding seat with first linear guide rail cooperation is connected, the sliding seat is used for following move so that drive about first linear guide rail weld the arm and realize controlling the action.

Preferably: a first rack is formed on the portal frame, a first servo motor is formed on the welding arm, an output shaft of the first servo motor is connected with a first gear, and the first gear is meshed with the first rack.

Preferably: the welding arm and the sliding seat can be connected in a sliding mode so as to achieve up-and-down motion of the welding arm.

Preferably: the welding arm is provided with a second rack, the sliding seat is provided with a second servo motor, an output shaft of the second servo motor is connected with a second gear, and the second gear is meshed with the second rack.

Preferably: the welding device is characterized by further comprising a vertical drag chain frame and a drag chain, wherein the vertical drag chain frame is fixedly connected with the sliding seat, and two ends of the drag chain are respectively connected to the welding arm and the vertical drag chain frame.

Preferably: the portal frame is connected with a walking track on the ground in a matching way.

According to the specific embodiment provided by the utility model, the utility model discloses the following technical effects:

according to the utility model, an external welding gantry welding arm structure can be realized, and in an implementation mode, the structure can comprise a welding arm beam and at least one set of welding arms, wherein the welding arm beam is fixedly connected with a gantry; the welding arm is connected with the welding arm beam and can move up and down and left and right relative to the welding arm beam; the welding arm beam is in a horizontal state, and when the welding arm runs to the lowest point, the welding arm can weld the welding line to be welded which is located at the lowest position when the jig frame inclines. The application provides an outer welding gantry welding arm structure, simple structure is reasonable, will weld the arm crossbeam fixed, increases and welds arm length, makes the crossbeam can weld without the swing promptly. The occupied space can be reduced, and the safety is improved. The welding arm can be directly adjusted and aligned, the time for adjusting the cross beam is greatly saved, and the working efficiency is improved. Is worthy of large-area popularization and application.

Of course, it is not necessary for any product in which the utility model is practiced to achieve all of the above-described advantages at the same time.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed in the embodiments will be briefly described 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 to obtain other drawings without creative efforts.

FIG. 1 is a schematic structural diagram of an external welding gantry welding arm structure according to an embodiment of the present invention;

FIG. 2 is an enlarged view of part A provided in the embodiment of the present invention;

FIG. 3 is a partially enlarged schematic view of a left-right motion driving mechanism according to an embodiment of the present invention;

FIG. 4 is a partial side view of an exterior welding gantry welding arm structure according to an embodiment of the present invention.

In the figure: the welding arm comprises a welding arm beam 1, a first linear guide rail 11, a welding arm 2, a sliding seat 21, a first servo motor 22, a first gear 23, a portal frame 3, a first rack 31, a walking track 4, a jig frame 5, a vertical drag chain frame 6 and a drag chain 7.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments that can be derived by one of ordinary skill in the art from the embodiments given herein are intended to be within the scope of the present invention.

Examples

Referring to fig. 1, 2, 3, and 4, an outer welding gantry welding arm structure according to an embodiment of the present invention, as shown in fig. 1 and 2, the structure may include:

the welding arm comprises a welding arm beam 1 and at least one set of welding arms 2, wherein the welding arm beam 1 is fixedly connected with a portal frame 3; the welding arm 2 is connected with the welding arm beam 1 and can move up and down and left and right relative to the welding arm beam 2;

the welding arm beam 1 is in a horizontal state, and the welding arm 2 can weld the welding line to be welded which is located at the lowest position when the jig frame 5 inclines when running to the lowest point.

The outer welding gantry welding arm structure provided by the embodiment of the application adopts a fixed connection mode for the welding arm beam and the gantry frame, the welding arm can move up and down, left and right relative to the welding arm beam, the welding arm is long enough, and when the jig frame inclines, the welding mechanism at the front end of the welding arm can be ensured to be in contact with a welding seam located at the lowest position, so that the welding seam is welded. Because need not to make the arm crossbeam that welds rotatory in welding process, consequently can improve the holistic security of equipment, reduce the whole space that occupies of equipment.

It can be understood that the up-down, left-right movement of the welding arm provided by the embodiment of the present application with respect to the welding arm beam can be achieved in various ways, for example, in an implementation manner, as shown in fig. 2 and fig. 3, the embodiment of the present application can provide that the welding arm beam 1 is formed with a first linear guide rail 11 extending along the length direction of the welding arm beam 1, the welding arm 2 is connected with the first linear guide rail 11 through a sliding seat 21 in a matching manner, and the sliding seat 21 is used for moving left and right along the first linear guide rail 11 so as to drive the welding arm 2 to achieve left and right movement. The linear guide rail is matched and connected with the sliding seat, so that the space occupied by the joint can be saved, and the operation stability during relative sliding can be ensured.

The mode that can adopt manual movement when realizing welding arm crossbeam and welding arm relative motion, also can adopt the mode of removing through the auxiliary of drive arrangement, for example, under an implementation, this application embodiment can provide be formed with first rack 31 on the portal frame 3, be formed with first servo motor 22 on welding arm 2, the output shaft of first servo motor 22 has first gear 23, first gear 23 with first rack 31 meshing is connected. The servo motor is assembled on the welding arm, the first gear can be a cylindrical gear, the cylindrical gear is assembled on a rotating shaft of the servo motor and rotates along with the rotating shaft, and the first rack is fixed on the portal frame and matched with the cylindrical gear. The cylindrical gear is driven to rotate by controlling the rotation of the servo motor, and the welding arm moves left and right by moving transversely on the first rack.

When the welding arm moves up and down relative to the welding arm beam, the welding arm can be realized in multiple modes, for example, in one implementation mode, the welding arm can be connected with the sliding seat in a relatively sliding mode, so that the up-and-down action of the welding arm can be realized. In order to realize the automatic adjustment during the up-and-down movement, a second rack (not shown in the figure) is formed on the welding arm 2, a second servo motor (not shown in the figure) is formed on the sliding seat, an output shaft of the second servo motor is connected with a second gear (not shown in the figure), and the second gear is meshed with the second rack. The principle of driving the vertical movement is the same as the principle of driving the horizontal movement, and the detailed process is not repeated again for this reason. In order to supply power to the second servo motor conveniently, as shown in fig. 4, the embodiment of the present application may further include a vertical drag chain frame 6 and a drag chain 7, where the vertical drag chain frame 6 is fixedly connected to the sliding seat 21, and two ends of the drag chain 7 are connected to the welding arm 2 and the vertical drag chain frame 6, respectively. The drag chain can move along with the sliding seat in the transverse direction, and the power supply of the second servo motor cannot be influenced.

Specifically, the portal frame 3 is connected with a walking track 4 on the ground in a matching manner. The portal frame can move along the traveling track, so that the welding arm is driven to move along the traveling track to realize continuous welding. The extending direction of the walking track is consistent with the extending direction of the welding seam.

The bed-jig and the walking track that this application embodiment provided fix on ground, and the portal frame assembly can move on the track on the walking track, welds the arm crossbeam and fixes on the portal frame, welds the arm and connects and weld the arm crossbeam assembly on the portal frame, can move about from top to bottom. Because the length of the welding arm is enough, even if the jig is inclined, the length of the welding arm is enough to meet the welding requirement, so that the welding arm cross beam can be fixed, and the welding arm cross beam is not required to drive the welding arm to incline. The time for adjusting the welding arm beam is saved, the welding arm is directly adjusted to the working position, and the working efficiency is greatly improved. The structure can also be used in other equipment, such as an assembling machine and the like.

In a word, the outer welding gantry welding arm structure that this application provided, simple structure is reasonable, will weld the arm crossbeam fixed, increases and welds arm length, makes the crossbeam can weld promptly without the swing. The occupied space can be reduced, and the safety is improved. The welding arm can directly adjust the counterpoint, saves greatly and adjusts the crossbeam time, improves work efficiency. Is worthy of being popularized and used in large area.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in the process, method, article, or apparatus that comprises the element.

The above description is only for the preferred embodiment of the present invention, and is not intended to limit the scope of the present invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention shall fall within the protection scope of the present invention.

Claims

1. An outer welding gantry welding arm structure is characterized by comprising a welding arm beam and at least one set of welding arms, wherein the welding arm beam is fixedly connected with a gantry; the welding arm is connected with the welding arm cross beam and can move up and down and left and right relative to the welding arm cross beam;

when the welding arm moves to the lowest point, the welding arm can weld the welding seam to be welded which is located at the lowest position when the jig inclines.

2. The external welding gantry welding arm structure of claim 1, wherein the welding arm beam is formed with a first linear guide rail extending along a length direction of the welding arm beam, the welding arm is connected with the first linear guide rail in a matching manner through a sliding seat, and the sliding seat is used for moving left and right along the first linear guide rail so as to drive the welding arm to move left and right.

3. The external welding gantry welding arm structure according to claim 2, wherein a first rack is formed on the gantry, a first servo motor is formed on the welding arm, an output shaft of the first servo motor is connected with a first gear, and the first gear is meshed with the first rack.

4. The external welding gantry welding arm structure of claim 2, wherein the welding arm and the sliding seat are slidably connected with each other so as to realize the up-and-down motion of the welding arm.

5. The externally welded gantry welding arm structure according to claim 4, wherein a second rack is formed on the welding arm, a second servo motor is formed on the sliding seat, an output shaft of the second servo motor is connected with a second gear, and the second gear is meshed with the second rack.

6. The externally welded gantry welding arm structure according to claim 4, further comprising a vertical drag chain frame and a drag chain, wherein the vertical drag chain frame is fixedly connected with the sliding seat, and two ends of the drag chain are respectively connected to the welding arm and the vertical drag chain frame.

7. The external welding gantry welding arm structure according to claim 1, wherein the gantry is connected with a walking rail on the ground in a matching manner.