CN212311202U

CN212311202U - Automatic welding equipment for rib plates of crane

Info

Publication number: CN212311202U
Application number: CN202020658453.4U
Authority: CN
Inventors: 刘永刚; 侯文晟; 武超; 梁雪艳; 李新凯
Original assignee: Henan Weihua Heavy Machinery Co Ltd
Current assignee: Henan Weihua Heavy Machinery Co Ltd
Priority date: 2020-04-27
Filing date: 2020-04-27
Publication date: 2021-01-08
Anticipated expiration: 2030-04-27

Abstract

An automatic welding device for a crane rib plate relates to the technical field of crane bridge welding, and comprises a telescopic boom, a lifting platform, a supporting seat, welding guns, two welding gun clamps and a control device; the inner sides of the two upright posts are provided with lifting rails, and the lifting platform can vertically lift along the lifting rails; a double-gun rack is fixed on the upper table top of the lifting table, and two welding cases are fixed on the upper surface of the double-gun rack; two telescopic arm rods are arranged, and the rod bodies of the two telescopic arm rods can telescopically move in the direction vertical to the side surface of the double-gun rack; the outer end surfaces of the two telescopic arm rods are respectively fixed with a welding gun seat, the tail ends of the two welding gun clamps are rotationally connected with the corresponding welding gun seats, and the head ends of the two welding gun clamps are respectively clamped with a welding gun; the top of the double-gun rack is provided with a first laser range finder, and the bottom of the welding gun seat is provided with a second laser range finder; the automatic welding equipment can be matched with a crane bridge production line to carry out automatic welding, and welding efficiency and welding quality are improved.

Description

Automatic welding equipment for rib plates of crane

Technical Field

The utility model belongs to the technical field of the crane bridge frame welding technique and specifically relates to an automatic weld equipment of hoist gusset is related to.

Background

The end beam and the main beam of the crane are used as important bearing parts of the whole crane and mainly formed by welding a cover plate, a bottom plate, two side webs and rib plates, wherein the cover plate, the bottom plate and the two side webs form a main body of a beam box structure, and the rib plates welded in the beam box are used for reinforcing the structural strength of the whole end beam or the main beam; the traditional welding mode of the cover plate and the rib plate is manual welding, the welding efficiency is low, the welding quality and the welding precision cannot be guaranteed, the performance of the whole machine can be directly influenced, and gas released by welding has great harm to human bodies; in view of the rapid development of the current automatic welding technology, and in order to cooperate with an automatic integrated system of a crane bridge manufacturing production line, a novel automatic welding device for a crane rib plate is needed.

Disclosure of Invention

In order to overcome not enough among the background art, the utility model discloses an automatic weld equipment of hoist gusset can cooperate hoist crane bridge production line to carry out automatic weld, improves welding efficiency and welding quality.

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

an automatic welding device for a crane rib plate comprises a telescopic boom, a lifting table, a supporting seat, welding guns, two welding gun clamps and a control device for controlling the welding guns to position and automatically weld; the supporting seat is of a U-shaped structure consisting of a bottom plate and two upright posts, the inner sides of the two upright posts are respectively provided with a lifting track, and two ends of the lifting platform are respectively arranged on the corresponding lifting tracks and can vertically lift along the lifting tracks; a double-gun rack is fixed on the upper table top of the lifting table, and two welding cases are fixed on the upper surface of the double-gun rack side by side; the two telescopic arm rods are horizontally arranged in parallel at intervals, and the rod bodies of the two telescopic arm rods are both arranged in the double-gun rack and can telescopically move in the direction vertical to the side surface of the double-gun rack; the outer end faces of the two telescopic arm rods are respectively fixed with a welding gun seat, the tail ends of the two welding gun clamps are rotationally connected with the corresponding welding gun seats and can be controlled by a control device to horizontally rotate, the head ends of the two welding gun clamps are respectively clamped with a welding gun, and the two welding guns are respectively in signal connection with the two welding machine boxes; the side top that the pair of rifle frames correspond welder installs first laser range finder, the bottom of welding gun seat installs the second laser range finder, and two welding machine casees, first laser range finder and second laser range finder are connected with controlling means signal respectively.

Further, the welding gun seat comprises a vertical plate and a flat support plate, the inner plate surface of the vertical plate is fixedly connected with the outer end surface of the telescopic arm rod, the inner end of the flat support plate is fixed with the center of the outer plate surface of the vertical plate, the outer end of the flat support plate is horizontally and rotatably connected with the tail end of the welding gun clamp, and the second laser range finder is installed on the lower portion of the outer plate surface of the vertical plate.

Further, a first motor is installed on the upper plate surface of the flat support plate, an output rotating shaft of the first motor penetrates through the flat support plate in a rotating mode and is fixedly connected with the tail end of the welding gun clamp, and the first motor is in signal connection with a control device.

Further, the lifting track is set as a vertical rack, the two ends of the lifting platform are respectively provided with a second motor, the output shaft of each second motor is coaxially fixed with a gear meshed with the corresponding vertical rack, and the second motors are in signal connection with the control device.

Further, the double-gun rack comprises two fixed square shells which are penetrated by corresponding telescopic arm rods respectively, horizontal racks are arranged on the outer sides of the telescopic arm rods, a third motor is mounted on the outer surface of each fixed square shell, a gear meshed with the corresponding horizontal racks is coaxially fixed to an output shaft of the third motor, and the third motor is in signal connection with the control device.

Furthermore, the inner surfaces of the fixed square shell corresponding to the inner side, the upper side and the lower side of the telescopic boom are respectively fixed with a roller way device for tightly jacking the telescopic boom.

Further, the roller bed device comprises a roller corresponding to the side surface of the telescopic arm rod and a wheel carrier fixed with the fixed square shell.

Furthermore, two sets of roller bed devices corresponding to the inner side and the lower side of the telescopic boom are arranged.

Due to the adoption of the technical scheme, the utility model discloses following beneficial effect has:

the utility model discloses an automatic welding equipment of hoist gusset utilizes first laser range finder and second laser range finder to feed back the distance signal to controlling means for controlling means can realize controlling the welder automatic positioning and carry out the welded function through the vertical motion of control elevating platform, the horizontal motion of flexible armed lever and the rotation of welder clamp; compare in traditional manual welding's mode after apron and gusset location, the utility model discloses an automatic weld's mode can carry out one side or both sides simultaneous weld of gusset as required, has improved welded efficiency, and in addition welder fixes a position accurately, welding quality and welding precision also can obtain effectual guarantee, and more importantly can cooperate whole hoist crane span structure to make the production line and carry out the integrated design, is convenient for realize the automatic upgrade of industrial chain.

Drawings

Fig. 1 is a schematic view of the present invention;

FIG. 2 is a schematic view of a rotational configuration of the torch clamp;

FIG. 3 is a schematic view of the telescopic structure of the telescopic arm;

FIG. 4 is a schematic view of the structure inside the fixed square shell;

fig. 5 is a schematic view of the lifting structure of the lifting platform.

In the figure: 1. a column; 2. a lifting rail; 3. a lifting platform; 4. welding the case; 5. a dual-gun stand; 6. a base plate; 7. a first motor; 8. a welding gun; 9. welding gun clamp; 10. a second laser rangefinder; 11. a welding gun seat; 12. a telescopic arm lever; 13. a first laser range finder; 14. fixing the square shell; 15. a third motor; 16. a horizontal rack; 17. a roller bed device; 18. a second motor.

Detailed Description

The present invention can be explained in detail by the following embodiments, and the purpose of disclosing the present invention is to protect all technical improvements within the scope of the present invention, and the present invention is not limited to the following embodiments; in the description of the present invention, it should be understood that if there is an orientation or positional relationship indicated by the terms "upper", "lower", "front", "rear", "left", "right", etc., it is only corresponding to the drawings of the present application, and for the convenience of describing the present invention, it is not intended to indicate or imply that the device or element referred to must have a particular orientation:

the automatic welding equipment for the crane rib plate, which is described by combining the attached drawing 1, comprises a telescopic boom 12, a lifting table 3, a supporting seat, a welding gun 8, two welding gun clamps 9 and a control device for controlling the welding gun 8 to be positioned and automatically welded; the supporting seat is of a U-shaped structure consisting of a bottom plate 6 and two upright posts 1, the bottom plate 6 can ensure that the whole supporting seat is stably placed, and the side turning caused by the change of moment due to the expansion of the telescopic arm rod 12 is avoided; the inner sides of the two upright posts 1 are respectively provided with a lifting track 2, two ends of a lifting platform 3 are respectively arranged on the corresponding lifting tracks 2 and can vertically lift along the lifting tracks 2, and the vertical position of a welding gun 8 is adjusted by changing the vertical position of the lifting platform 3; according to the requirement, the lifting track 2 is set as a vertical rack, the two ends of the lifting platform 3 are both provided with a second motor 18, the output shaft of the second motor 18 is coaxially fixed with a gear meshed with the corresponding vertical rack, the second motor 18 is in signal connection with a control device, and the second motor 18 is used for providing power for the gear to be meshed and rolled on the vertical rack; a double-gun rack 5 is fixed on the upper table top of the lifting table 3, and two welding machine boxes 4 are fixed on the upper surface of the double-gun rack 5 side by side, so that the double-gun rack 5 and the welding machine boxes 4 can synchronously move along with the lifting table 3;

two parallel telescopic arm rods 12 are horizontally arranged at intervals, and the two telescopic arm rods 12 respectively correspond to two sides of the rib plate, so that the two sides of the rib plate can be conveniently welded; the rod bodies of the two telescopic arm rods 12 are arranged in the double-gun rack 5 and can telescopically move along the direction vertical to the side surface of the double-gun rack 5, and the horizontal position of the welding gun 8 is changed by changing the horizontal position of the telescopic arm rods 12; according to the requirement, the double-gun rack 5 comprises two fixed square shells 14 which are penetrated by corresponding telescopic arm rods 12 respectively, horizontal racks 16 are arranged on the outer sides of the telescopic arm rods 12, third motors 15 are mounted on the outer surfaces of the fixed square shells 14, gears meshed with the corresponding horizontal racks 16 are coaxially fixed on output shafts of the third motors 15, the third motors 15 are in signal connection with a control device, and power is provided for the gears to be meshed and rolled on the horizontal racks 16 through the third motors 15, so that the telescopic arm rods 12 can move relative to the fixed square shells 14; in addition, roller bed devices 17 for jacking the telescopic boom 12 are fixed on the inner surfaces of the fixed square shell 14 corresponding to the inner side, the upper side and the lower side of the telescopic boom, the roller bed devices 17 are utilized to jack the telescopic boom 12 to ensure accurate radial positioning while the action of the telescopic boom 12 is not influenced, and the welding precision is improved; preferably, two groups of roller bed devices 17 are arranged corresponding to the inner side and the lower side of the telescopic boom 12, so that the supporting strength and the positioning accuracy of the telescopic boom 12 are improved;

the outer end faces of the two telescopic arm rods 12 are respectively fixed with a welding gun seat 11, the tail ends of the two welding gun clamps 9 are rotatably connected with the corresponding welding gun seats 11 and can be controlled by a control device to horizontally rotate, the head ends of the two welding gun clamps 9 are respectively clamped with a welding gun 8, the two welding guns 8 are respectively in signal connection with the two welding machine boxes 4, and the welding guns 8 are driven by the welding gun clamps 9 to rotate and position for welding; according to the requirements, the welding gun seat 11 comprises a vertical plate and a flat support plate, the inner plate surface of the vertical plate is fixedly connected with the outer end surface of the telescopic arm rod 12, the inner end of the flat support plate is fixed with the center of the outer plate surface of the vertical plate, the outer end of the flat support plate is horizontally and rotatably connected with the tail end of the welding gun clamp 9, the second laser range finder 10 is arranged at the lower part of the outer plate surface of the vertical plate, the vertical plate of the welding gun seat 11 is ensured to be stably connected with the outer end of the telescopic arm rod 12, and the flat support plate; in addition, a first motor 7 is installed on the upper plate surface of the flat support plate, an output rotating shaft of the first motor 7 penetrates through the flat support plate in a rotating mode and is fixedly connected with the tail end of the welding gun clamp 9, the first motor 7 is in signal connection with a control device, and power is provided for the welding gun clamp 9 to rotate through the first motor 7; first laser range finder 13 is installed at the side top that two rifle frames 5 correspond welder 8, and first laser range finder 13 is located two telescopic boom 12 middlings directly over for the positional information of feedback gusset, and second laser range finder 10 is installed to the bottom of welding gun seat 11 for the telescopic boom 12 level's of feedback positional information, two welding machine casees 4, first laser range finder 13 and second laser range finder 10 respectively with controlling means signal connection.

In the automatic welding equipment for the crane rib plate, the lifting platform 3 is stopped at the upper part of the lifting track 2 in the initial state, the welding gun clamp 9 is parallel to the telescopic boom 12, and the telescopic boom 12 is in the contraction state, so that the welding gun 8 is close to the lifting platform 3; only the welding work of the rib plate and the welding line on one side of the cover plate is described, namely the motion state of one telescopic boom 12 is the same as that of the other telescopic boom 12;

the horizontal cover plate is firstly positioned by the two transverse pull rod claws and the two longitudinal pull rod claws, then the vertical rib plate is grabbed to the specified welding position of the cover plate by the lifting claw, after the first laser range finder 13 senses the position and the distance of the rib plate, the rib plate is placed in place, namely, the rib plate is positioned between the two telescopic arm rods 12, the third motor 15 is started, and the telescopic arm rods 12 move towards the direction of the rib plate; after the second laser range finder 10 senses the edge of the rib plate, the second motor 18 is started, the lifting platform 3 starts to slide downwards, and after the safety height is reached, the second motor 18 stops working, and the lifting platform 3 stops sliding downwards; after the second laser range finder 10 senses the edge of the other side of the rib plate, the third motor 15 stops working, and the telescopic boom 12 stops moving; at the moment, the first motor 7 is started, the welding gun clamp 9 starts to rotate, the welding gun clamp rotates to a certain angle according to the distance between the welding gun clamp and the rib plate, the distance is measured by the second laser range finder 10, the welding gun 8 is ignited, and welding is started; simultaneously, the third motor 15 is started, and the telescopic arm rod 12 starts to move reversely; when the second laser range finder 10 senses the edge of the rib plate, the welding gun 8 is switched off, the third motor 15 stops working, the telescopic arm rod 12 stops moving, the first motor 7 is started, the welding gun clamp 9 rotates to return, and the welding work of the rib plate and one side of the cover plate is completed;

in order to prevent the welding gun 8 from colliding with the transverse pull rod claw, the second motor 18 is started at the moment, the lifting platform 3 moves upwards, the second motor 18 stops working after moving for a certain distance according to program setting (constant value and small), and the lifting platform 3 stops moving; the third motor 15 is started, the telescopic arm 12 continues to move reversely until the third motor 15 is close to the lifting platform 3, the third motor 15 stops working, and the telescopic arm 12 stops moving.

The part of the utility model not detailed is prior art.

Claims

1. The utility model provides an automatic weld equipment of hoist gusset which characterized in that: comprises a telescopic arm rod (12), a lifting platform (3), a supporting seat, a welding gun (8), two welding gun clamps (9) and a control device for controlling the welding gun (8) to position and automatically weld; the supporting seat is of a U-shaped structure consisting of a bottom plate (6) and two upright posts (1), the inner sides of the two upright posts (1) are respectively provided with a lifting track (2), and two ends of the lifting platform (3) are respectively arranged on the corresponding lifting tracks (2) and can vertically lift along the lifting tracks (2); a double-gun rack (5) is fixed on the upper table top of the lifting table (3), and two welding cases (4) are fixed on the upper surface of the double-gun rack (5) side by side; the two telescopic arm levers (12) are horizontally arranged in parallel at intervals, and the lever bodies of the two telescopic arm levers (12) are arranged in the double-gun rack (5) and can telescopically move in the direction vertical to the side surface of the double-gun rack (5); the outer end faces of the two telescopic arm rods (12) are respectively fixed with a welding gun seat (11), the tail ends of the two welding gun clamps (9) are rotatably connected with the corresponding welding gun seats (11) and can be controlled by a control device to horizontally rotate, the head ends of the two welding gun clamps (9) are respectively clamped with a welding gun (8), and the two welding guns (8) are respectively in signal connection with the two welding cases (4); first laser range finder (13) are installed at the side top that double-gun frame (5) correspond welder (8), second laser range finder (10) are installed to the bottom of welder seat (11), and two welding machine casees (4), first laser range finder (13) and second laser range finder (10) are connected with controlling means signal respectively.

2. The automatic welding equipment for the rib plates of the crane according to claim 1, which is characterized in that: the welding gun seat (11) comprises a vertical plate and a flat support plate, the inner plate surface of the vertical plate is fixedly connected with the outer end surface of the telescopic arm rod (12), the inner end of the flat support plate is fixed with the center of the outer plate surface of the vertical plate, the outer end of the flat support plate is horizontally and rotatably connected with the tail end of the welding gun clamp (9), and the second laser range finder (10) is installed on the lower portion of the outer plate surface of the vertical plate.

3. The automatic welding equipment for the rib plates of the crane according to claim 2, wherein: the welding gun is characterized in that a first motor (7) is installed on the upper plate surface of the flat support plate, an output rotating shaft of the first motor (7) penetrates through the flat support plate and is fixedly connected with the tail end of the welding gun clamp (9), and the first motor (7) is in signal connection with a control device.

4. The automatic welding equipment for the rib plates of the crane according to claim 1, which is characterized in that: the lifting track (2) is designed to be a vertical rack, the two ends of the lifting platform (3) are respectively provided with a second motor (18), the output shaft of each second motor (18) is coaxially fixed with a gear meshed with the corresponding vertical rack, and the second motors (18) are in signal connection with a control device.

5. The automatic welding equipment for the rib plates of the crane according to claim 1, which is characterized in that: the double-gun rack (5) comprises two fixed square shells (14) which are respectively penetrated by corresponding telescopic arm rods (12), horizontal racks (16) are arranged on the outer sides of the telescopic arm rods (12), a third motor (15) is mounted on the outer surface of each fixed square shell (14), gears meshed with the corresponding horizontal racks (16) are coaxially fixed on output shafts of the third motors (15), and the third motors (15) are in signal connection with a control device.

6. The automatic welding equipment for the rib plates of the crane according to claim 5, wherein: and roller bed devices (17) used for tightly jacking the telescopic boom rods (12) are fixed on the inner surfaces of the fixed square shell (14) corresponding to the inner side, the upper side and the lower side of the telescopic boom rods.

7. The automatic welding equipment for the rib plates of the crane according to claim 6, wherein: the roller bed device (17) comprises a roller corresponding to the side surface of the telescopic arm rod (12) and a wheel frame fixed with the fixed square shell (14).

8. The automatic welding equipment for the rib plates of the crane according to claim 6, wherein: two groups of roller bed devices (17) are arranged corresponding to the inner side and the lower side of the telescopic boom rod (12).