CN219113265U - Supporting device for lap welding - Google Patents

Abstract

The utility model relates to a supporting device for lap welding, in particular to a supporting device for lap welding between a lap joint plate and a steel bar on a box steel structure. The support frame includes first support frame, and the one end of first support frame is equipped with the gyration support of butt on box steel construction's top terminal surface, and the gyration is supported including last gyration dish and the lower gyration dish that rotate each other and be connected to same center pin, and the bearing frame sleeve is installed to the center pin, and spacing cylinder passes through bearing frame sleeve cover on the center pin and is connected with the center pin bearing.

Description

Supporting device for lap welding

Technical Field

The utility model relates to the technical field of automatic welding, in particular to a supporting device for lap welding.

Background

More and more welding robot systems are put into production and application along with the development of the manufacturing industry to automation and intellectualization, and the welding automation level is also continuously improved. In the workshop manufacturing link of box steel structure, operational environment is relatively better, and the operating mode is simple fixed, and the task is clear and definite, does not generally need the extensive removal, and most welding robot all is applied to box steel structure's workshop and makes, and welding degree of automation is higher, can guarantee manufacturing accuracy and welding quality. However, in the construction and installation site, due to the complexity of the site environment, the welding condition is severe, and manual welding is still mainly used at present, so that the welding process is easily influenced by the environment and human factors, the stability of the welding quality is difficult to ensure, the service life of a steel structure building is seriously influenced by the possibly generated welding defects, potential hazards of accidents are buried, workers often need to hang at high altitude to carry out welding operation, and great threat is generated to personal safety, so that the problems of low welding automation degree, insufficient stability of joint quality, high labor intensity of workers, high risk of high altitude operation and the like are generally caused in the welding of the installation site of the box steel structure. Therefore, a lap welding support device suitable for site construction is needed to ensure welding quality and construction safety.

The prior art discloses a beam column welding robot as in chinese patent with publication number CN113770571a, including material loading part, welding part, be connected through fixed beam between material loading part and the welding part, material loading part carries on the work piece, specifically includes a plurality of steel frames that are rectangular array distribution along the fore-and-aft direction and is located four at least reinforcing bars in the steel frame four corners of rectangle structure. The beneficial effects are as follows: simultaneously accomplish the welding of a steel frame and all reinforcing bars, once accomplish the carrying of all steel frames and conveniently carry out the material loading to the steel frame one by one, improve welding efficiency, welder's adjustment is realized through servo motor numerical control to hold welder, reinforcing bar, steel frame's position through a plurality of cylinders when the welding, the solder joint position is accurate, the removal of reinforcing bar along fore-and-aft direction after the welding is accomplished through servo motor numerical control, the position location is accurate between every steel frame, wholly guarantees welded product quality. However, the beam column welding robot cannot weld different welding positions of the steel frame, such as upper and lower welding positions, of a higher or lower welding position through the feeding part. The beam column welding robot cannot weld double sides of the steel frame.

Chinese patent publication No. CN107052518A proposes a trackless welding robot comprising a welding body for controlling a welding action and a driving device for adsorbing on a surface of a welding workpiece, the welding body being mounted on the driving device; the driving device comprises a bottom plate and magnetic wheel boxes uniformly distributed at four corners of the bottom plate, and magnetic wheels used for being adsorbed on the surface of a welding workpiece are arranged in the magnetic wheel boxes. However, in the technical scheme, the structure of the magnetic wheel and the welding piece are in point contact, the adsorption force is poor, and the risk of falling easily occurs; in addition, each movement needs to drive parts such as a welding gun, a welding gun clamp, a height adjusting mechanism, an angle adjusting mechanism, a transverse adjusting mechanism and the like to move together, so that the instability of adsorption is increased, vertical welding objects such as box steel are extremely unfavorable, and crawling of corner corners of the box steel cannot be realized.

Furthermore, there are differences in one aspect due to understanding to those skilled in the art; on the other hand, as the inventors studied numerous documents and patents while the present utility model was made, the text is not limited to details and contents of all that are listed, but it is by no means the present utility model does not have these prior art features, the present utility model has all the prior art features, and the applicant remains in the background art to which the rights of the related prior art are added.

Disclosure of Invention

To the at least partial weak point of prior art, this application provides a strutting arrangement for overlap joint welds, especially is used for overlap joint welded strutting arrangement between gusset and the reinforcing bar on the box steel structure, including the support frame with connect in the main frame that is the rectangle structure of support frame, the outside of box steel structure that main frame can be from top to bottom cage to stand setting, support piece can drive strutting arrangement and use box steel structure as rotation center rotation, support piece is equipped with can restrict strutting arrangement pivoted spacing cylinder.

According to a preferred embodiment, the support frame comprises a first support frame, one end of the first support frame is provided with a rotary support which is abutted on the top end face of the box-type steel structure, the rotary support comprises an upper rotary disc and a lower rotary disc which are rotatably connected to the same central shaft, the central shaft is provided with a bearing seat sleeve, and the limiting cylinder is sleeved on the central shaft through the bearing seat sleeve and is connected with the central shaft through a bearing.

According to a preferred embodiment, the other end of the first support frame is provided with a second bearing group, and the bearing housing sleeve is connected with the central shaft through the second bearing group.

According to a preferred embodiment, the support further comprises a second support and a third support, the first support and the third support are connected to each other through the second support, the second support comprises a plurality of connecting rods, and the plurality of connecting rods are arranged between the first support and the third support in a radial arrangement.

According to a preferred embodiment, the third supporting frame comprises a main frame and two side frames symmetrically connected to two sides of the main frame, wherein the two side frames are configured as open frames and are provided with a robot cabin and an electric appliance cabin.

According to a preferred embodiment, the main frame is provided with lifting rails which can drive the two side frames to move up and down along the main frame, the lifting rails being arranged on both sides of the main frame in a manner which is on the same side as the side frames and is connected to the side frames.

According to a preferred embodiment, the main frame is provided with a plurality of magnetic telescopic members, the extending directions of the magnetic telescopic members are opposite to each other and all point to the box steel structure, and the supporting device can form an adsorption relationship or a dissociation relationship with the box steel structure by extending and retracting the magnetic telescopic members.

According to a preferred embodiment, the robot cartridge comprises a welding robot, the support device being supported on the box structure in a non-wall-mounted manner without the need for pre-loading the support members and such that the welding robot fitted on the support device is suspended in a position close to the gusset.

According to a preferred embodiment, the gusset is connected to the side wall of the box steel structure by a lifting assembly, the side wall is provided with a lifting lug of a plate-shaped structure with a plurality of through holes, and the lifting lug is connected to the side wall in a manner that the plate body of the lifting lug is perpendicular to the side wall.

According to a preferred embodiment, the lifting assembly comprises a lifting motor and a lifting chain, wherein the lifting chain penetrates through at least one through hole of the lifting lug and is connected to the lifting lug, the lifting plate is connected with the lifting chain through a connecting piece, and the lifting motor controls the lifting chain to perform rotary motion so as to adjust the position of the lifting plate relative to the box steel structure.

The beneficial technical effects of the utility model are at least as follows:

(1) According to the utility model, the limiting cylinder ensures that the supporting device cannot rotate randomly to cause the deflection of the welding position when the supporting device performs welding operation, and the limiting cylinder can keep the supporting device after the supporting device rotates to the position to be welded.

(2) According to the utility model, the height position of the side frame relative to the box steel structure can be adjusted through the lifting rail, so that the welding robot can weld positions to be welded with different heights.

(3) According to the utility model, the height position of the reinforcing plate relative to the box steel structure can be adjusted through the lifting assembly, so that the welding robot can conveniently grasp the reinforcing steel bars on the reinforcing plate to carry out welding operation, the reinforcing plate is not required to be welded to the side wall of the box steel structure in advance, and the welding workload is reduced.

Drawings

FIG. 1 is a simplified outer frame construction schematic of a support device;

FIG. 2 is a simplified partial frame structure schematic of a box steel structure top;

fig. 3 is a simplified structural schematic diagram of the robot cartridge.

List of reference numerals

1: a box steel structure; 2: reinforcing steel bars; 7: an opening; 8: a groove; 9: lifting lugs; 10: a sidewall; 11: a reinforcing plate is arranged; 16: a first support frame; 17: a second support frame; 18: a third support frame; 19: a rotary support; 20: a guide member; 21: a central shaft; 22: a main frame; 23: a side frame; 24: a connecting rod; 25: a magnetic telescopic member; 26: a welding robot; 27: a sliding table; 28: a protective cover; 31: an extension plate.

Detailed Description

The present utility model will be described in detail with reference to the accompanying drawings.

The utility model provides a supporting device for lap welding, in particular to a supporting device for lap welding between a lap plate 11 and a steel bar 2 on a box steel structure 1, which comprises a supporting frame and a rectangular main frame 22 connected with the supporting frame, wherein the main frame 22 can cover the outside of the box steel structure 1 arranged from top to bottom in a column type, a supporting piece can drive the supporting device to rotate by taking the box steel structure 1 as a rotation center, and a limiting cylinder capable of limiting the rotation of the supporting device is arranged on the supporting piece. Preferably, the box steel structure 1 can be configured into a cuboid structure, the box steel structure 1 is arranged on the bottom surface of the box steel structure 1 through a mounting plate arranged on the bottom surface of the box steel structure 1 in the welding process of the steel bars 2, the box steel structure 1 can always keep an upright posture, the mounting plate is perpendicular to the length direction of the box steel structure 1, and the plumb line of the gravity center of the mounting plate 4 coincides with the central axis 21 of the box steel structure 1 in the length direction. Preferably, the panel surface area of the mounting plate is larger than the area of the box steel bottom surface, so that the box steel structure 1 can be stably mounted on the ground or the platform under the action of the mounting plate and maintain the overall relative stability thereof. The supporting piece can drive the supporting device to rotate by taking the box steel structure 1 as a rotation center, and in the welding process, the box steel structure 1 keeps a fixed position, and the box steel structure 1 is welded in all aspects through the rotation movement of the supporting device. The limiting cylinder ensures that the supporting device cannot rotate randomly to cause the deflection of the welding position when the supporting device performs welding operation, and the limiting cylinder can fix the supporting device after the supporting device rotates to the position to be welded. Rubber buffer parts can be added in the limiting air cylinders to reduce the impact force of the limiting air cylinders on the supporting device in order to protect the metal structure of the supporting device and prolong the service life of the supporting device.

Preferably, the support frame comprises a first support frame 16, one end of the first support frame 16 is provided with a rotary support 19 which is abutted against the top end face of the box-type steel structure 1, the rotary support 19 comprises an upper rotary disc and a lower rotary disc which are rotatably connected to the same central shaft 21, the central shaft 21 is provided with a bearing seat sleeve, and a limiting cylinder is sleeved on the central shaft 21 through the bearing seat sleeve and is in bearing connection with the central shaft 21. One end of the first support frame 16 is abutted against the box steel structure 1, so that the first support frame 16 can provide stable supporting effect for the whole supporting device by means of the box steel structure 1. The top end face of the main body part of the box steel structure 1 is provided with an opening 7 which is not completely closed. The main body portion of the box steel structure 1 has a groove 8 extending along the opening 7 towards the inside of the main body portion. The bottom surface of the rotary support 19 is fixedly connected with a guide piece 20, the guide piece 20 is configured into a shape matched with the groove 8 of the top end surface of the box steel structure 1, the guide piece 20 and the groove 8 can be in incomplete shape matching, and the guide piece 20 is connected with the box steel structure 1 in a manner of being placed into the groove 8. Preferably, the contact surface of the guide member 20 and the groove 8 has magnetism, when welding is required, the magnetism of the adjusting guide member 20 is opposite to that of the box steel structure 1, the box steel structure 1 is firmly absorbed by the guide member 20, so that the box steel structure 1 always keeps its fixed position in the rotating process of the supporting device, and through the magnetic effect, the requirement on the assembly accuracy in assembling the supporting device can be reduced, and the magnetic guide member 20 can initially position the box steel structure 1. The lower rotary disc is directly abutted on the top end surface of the box steel structure 1, and the lower rotary disc and the top end surface of the box steel structure 1 have larger friction force and are not easy to slide relatively; the relative friction between the upper and lower rotating discs is small and relative sliding is liable to occur. The upper rotary disc can be driven to rotate relative to the lower rotary disc only by manual pushing. The upper rotary disc rotates to drive the supporting device to rotate, if manual pushing is performed, the supporting device is not easy to position to a position to be welded, and therefore the rotation of the supporting device is limited through the limiting cylinder and the supporting device is fixed to the position to be welded. Preferably, the axial direction of the central shaft 21 is distributed up and down along the length direction of the box steel structure 1, and the upper end of the central shaft 21 is connected with one end bearing of the first support frame 16, and the bearing can be a deep groove ball bearing.

Preferably, the other end of the first support frame 16 is mounted with a second bearing group through which the bearing housing sleeve is connected with the central shaft 21. The central shaft 21 is provided with an oblong hole. In the bearing seat sleeve, the limit of the central shaft 21 along the axial direction is ensured and the rotation guide is provided through the deep groove ball bearing and the spacer bush, the bearing sleeve is sleeved on the central shaft 21 and is connected with the central shaft 21 through the bearing, the cylinder shaft of the limit cylinder penetrates through the spacer bush of the second bearing group and is embedded into the long round hole on the central shaft 21, and the limit cylinder is in flange connection with the bearing seat sleeve. Through the arrangement mode, the limiting cylinder can ensure that the supporting device cannot rotate randomly to cause the deflection of the welding position in the welding process.

Preferably, the support frame further comprises a second support frame 17 and a third support frame 18, the first support frame 16 and the third support frame 18 are connected with each other through the second support frame 17, the second support frame 17 comprises a plurality of connecting rods 24, and the plurality of connecting rods 24 are arranged between the first support frame 16 and the third support frame 18 in a radial arrangement manner. The second support frame 17 can select eight connecting rods 24, and the eight connecting rods 24 respectively correspond to four top point positions of the top square frame and four middle point positions of four sides of the top frame of the main frame 22, so that the second support frame 17 has higher stability, the whole weight of the support device can be further reduced by the arrangement mode of the second support frame 17, the structural stability of the support device is ensured, and the site construction safety is ensured.

Preferably, the third supporting frame 18 includes a main frame 22 and two side frames 23 symmetrically connected to both sides of the main frame 22, and the two side frames 23 are configured as open frames, on which a robot cartridge and an electric appliance cartridge are mounted. Both sides of the side frame 23 may be equipped with extension plates 31, and the plate bodies of the extension plates 31 are perpendicular to the vertical direction. The open frame facilitates the welding operation with the welding robot 26 extending from the side frame 23. The robot bin and the electric appliance bin are respectively placed in the two side frames 23 through weight matching, so that the main frame 22 is stressed and balanced, and the stability of the supporting device is better when the supporting device is fixed on the box steel structure 1 in a descending manner. At the same time, the two side frames 23 of comparable weight facilitate the manual pushing of the rotation of the whole support device. The electric appliance bin is provided with various electric appliances, a welding machine and a gas cylinder, and the gas cylinder is used for providing welding gas for welding operation.

Preferably, the main frame 22 is provided with a lifting rail capable of driving the two side frames 23 to move up and down along the main frame 22, and the lifting rail is disposed at both sides of the main frame 22 in such a manner as to be connected to the side frames 23 at the same side as the side frames 23. The lifting rail can be arranged on four frame rods respectively connected with the two side frames 23 and the main frame 22, the two side frames 23 can synchronously lift and move relative to the main frame 22 through the lifting rail, and the height positions of the two side frames 23 relative to the main frame 22 are adjusted, so that positions to be welded with different heights can be welded, the lifting rail also has limit gates, and after the lifting rail is lifted to the required positions to be welded, the positions of the two side frames 23 can be fixed by pulling the limit gates.

Preferably, the main frame 22 is provided with a plurality of magnetic telescopic members 25, and the extending directions of the plurality of magnetic telescopic members 25 are opposite to each other and all point to the box steel structure 1, and the supporting device can form an adsorption relationship or a dissociation relationship with the box steel structure 1 by extending and retracting the magnetic telescopic members 25. The magnetic telescoping member 25 has a stronger tightening force. Preferably, the main frame 22 may be provided with four magnetic telescopic members 25, and the four magnetic telescopic members 25 are disposed in pairs on the sides of the two side frames 23, respectively. Through this kind of setting, a plurality of magnetism extensible members 25 will press the dispersion to box steel structure 1's a plurality of positions, avoid the stress too concentrated and influence box steel structure 1's stability. The plurality of magnetic telescopic members 25 simultaneously form a plurality of supporting points, and the stability between the main frame 22 and the box steel structure 1 is enhanced.

Preferably, the robot housing comprises a welding robot 26, the support device being supported on the box structure 1 in a non-wall-mounted manner without the need for pre-loading support members and such that the welding robot 26 fitted on the support device is suspended in a position close to the gusset 11. The robot cartridge further includes a slide table 27 and a shield 28, the shield 28 having an open end facing the side of the main frame 22. The slide table 27 is fitted in the hood 2828 to support the welding robot 26 and provide the welding robot 26 with a moving track thereof in the juxtaposition direction of the reinforcing bars 2. One end of the welding robot 26 is slidably connected to the slide table 27, and the welding robot 26 is configured as a foldable structure that is unfolded and extended along the open end of the shield 28 when welding is required, and the welding robot 26 is folded to an initial configuration to retract into the shield body of the shield 28 when welding is not required. The welding robot 26 may be a multi-axis linkage flexible mechanism including a robotic arm assembly, a controller assembly, and a teaching system. The robotic arm assembly may include primarily an industrial robot and a variety of welding guns.

Preferably, the rib plates 11 are connected to the side wall 10 of the box steel structure 1 through a lifting assembly, lifting lugs 9 with plate-shaped structures with a plurality of through holes are arranged on the side wall 10, and the lifting lugs 9 are connected to the side wall 10 in a mode that the plate bodies of the lifting lugs are perpendicular to the side wall 10. Specifically, the main body of the box-type steel structure 1 may be symmetrically provided with four lifting lugs 9, and the four lifting lugs 9 are respectively provided on two side walls 10 opposite to each other on the main body of the box-type steel structure 1 in pairs. The two lifting lugs 9 in pairs are respectively arranged on two ends of the corresponding side wall 10 relatively close to the top end face of the main body part of the box steel structure 1. All lifting lugs 9 have a uniform height relative to the main body of the box steel structure 1. The lifting lug 9 is provided with a plurality of through holes, and a crane or a lifting tool on a construction site can vertically fix the box steel structure 1 on the ground or a platform through the through holes.

Preferably, the lifting assembly comprises a lifting motor and a lifting chain, the lifting chain penetrates through at least one through hole of the lifting lug 9 to be connected with the lifting lug 9, the rib plate 11 is connected with the lifting chain through a connecting piece, and the lifting motor controls the lifting chain to perform rotary motion so as to adjust the height position of the rib plate 11 relative to the box steel structure 1. The elevator motor includes motor shaft and reducing gear box, wherein, the motor shaft is connected with the input of reducing gear box, two output of reducing gear box connect respectively the top of two semi-axles that are left and right sides and distribute, two semi-axles are connected with lug 9 through a plurality of bearings, the bearing frame, drive gear group is installed to the bottom of semi-axle, drive gear group includes driving gear, driven gear, be connected with the lift chain between driving gear and the driven gear, the lift chain is the oblong structure of vertical direction, its middle part position is two vertical chains that are the front and back and distribute, the lift chain can pass the through-hole and be connected with lug 9, hang the gusset 11 on box steel construction 1 through lug 9. Preferably, magnetism is arranged on the contact surface of the reinforcing plate 11 and the side wall 10 of the box steel structure 1, and the reinforcing plate 11 can be connected with the side wall 10 of the box steel structure 1. The lifting motor can be arranged on the top end surface of the box steel structure 1. When the lifting motor is started, the lifting chain performs rotary motion through the transmission gear set so that the rib plate 11 moves on the side wall 10 of the box steel structure 1, and therefore the height position of the rib plate 11 relative to the box steel structure 1 is adjusted.

It should be noted that the above-described embodiments are exemplary, and that a person skilled in the art, in light of the present disclosure, may devise various solutions that fall within the scope of the present disclosure and fall within the scope of the present disclosure. It should be understood by those skilled in the art that the present description and drawings are illustrative and not limiting to the claims. The scope of the utility model is defined by the claims and their equivalents.

Claims (8)

1. A supporting device for lap welding is used for lap welding between a lap plate (11) and a steel bar (2) on a box steel structure (1),

it is characterized in that the method comprises the steps of,

the device comprises a support frame and a main frame (22) which is connected with the support frame and is in a rectangular structure, wherein the main frame (22) can cover the outside of a box-shaped steel structure (1) arranged in a column from top to bottom, the support frame can drive the support device to rotate by taking the box-shaped steel structure (1) as a rotation center, and the support frame is provided with a limiting cylinder which can limit the support device to rotate;

the support frame comprises a first support frame (16), one end of the first support frame (16) is provided with a rotary support (19) which is abutted against the top end face of the box-type steel structure (1), the rotary support (19) comprises an upper rotary disc and a lower rotary disc which are rotatably connected to the same central shaft (21), the central shaft (21) is provided with a bearing seat sleeve, and the limiting cylinder is sleeved on the central shaft (21) through the bearing seat sleeve and is in bearing connection with the central shaft (21);

the support frame further comprises a third support frame (18), and the third support frame (18) comprises a main frame (22) and two side frames (23) symmetrically connected to two sides of the main frame (22);

the main frame (22) is provided with lifting rails capable of driving the two side frames (23) to lift along the main frame (22), and the lifting rails are arranged on two sides of the main frame (22) in a mode of being connected with the side frames (23) on the same side as the side frames (23).

2. Support device according to claim 1, characterized in that the other end of the first support frame (16) is fitted with a second bearing group, through which the bearing housing sleeve is connected with the central shaft (21).

3. The support device according to claim 2, wherein the support frame further comprises a second support frame (17) and a third support frame (18), the first support frame (16) and the third support frame (18) being connected to each other by the second support frame (17), the second support frame (17) comprising a plurality of connecting rods (24), the plurality of connecting rods (24) being arranged in a radial arrangement between the first support frame (16) and the third support frame (18).

4. A support device according to claim 3, characterized in that the two side frames (23) are configured as open frames carrying a robot compartment and an electric appliance compartment, respectively.

5. The support device according to claim 4, wherein the main frame (22) is provided with a plurality of magnetic telescopic members (25), the extension directions of the plurality of magnetic telescopic members (25) are opposite to each other and all point to the box-shaped steel structure (1), and the support device can form an adsorption relationship or a dissociation relationship with the box-shaped steel structure (1) by telescoping the magnetic telescopic members (25).

6. The support device according to claim 5, characterized in that the robot magazine comprises a welding robot (26) which can be supported on the box structure (1) in a non-wall-mounted manner without preassembling support elements and in that the welding robot (26) fitted on the support device is suspended in a position close to the gusset (11).

7. The supporting device according to claim 6, characterized in that the reinforcing plate (11) is connected to the side wall (10) of the box-shaped steel structure (1) through a lifting assembly, the side wall (10) is provided with a lifting lug (9) with a plate-shaped structure with a plurality of through holes, and the lifting lug (9) is connected to the side wall (10) in a manner that the plate body of the lifting lug is perpendicular to the side wall (10).

8. Support arrangement according to claim 7, characterized in that the lifting assembly comprises a lifting motor and a lifting chain, the lifting chain is connected to the lifting lug (9) through at least one through hole of the lifting lug (9), the lifting plate (11) is connected to the lifting chain by means of a connecting piece, the lifting motor controls the lifting chain to perform a gyrating movement in order to adjust the position of the lifting plate (11) relative to the box steel structure (1).

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