High-efficiency assembling and welding tool for main beam of crane

Abstract

The invention discloses a high-efficiency butt-welding tool for a crane girder group, relates to the technical field of butt-welding tools, and aims to solve the problems that a traditional butt-welding tool in the prior art can only perform simple linear or planar welding and is difficult to meet the welding requirements of crane girders in complex shapes, a welding gun needs to be frequently replaced and the angle needs to be frequently adjusted in the welding process, and the welding cost is high. And the operation difficulty and the time cost are increased. A longitudinal driving box is arranged in the bottom frame, a mounting rack is arranged above the bottom frame, a vertical driving mechanism is arranged above the mounting rack, a transverse driving mechanism is arranged on one side of the front end of the vertical driving mechanism, and an angle adjusting mechanism is arranged on one side of the transverse driving mechanism. A welding gun is arranged in the angle adjusting mechanism, and a protection block is arranged on one side of the transverse driving mechanism along the lower portion of the angle adjusting mechanism.

Description

Technical Field

[0001] The invention relates to the technical field of butt welding tooling, in particular to a butt welding tooling for a high-efficiency crane main beam assembly. Background Art

[0002] The crane main beam assembly is one of the most critical and core parts of the crane structure. It is mainly composed of the main beam and its related support, connection and auxiliary components. The main beam assembly directly carries the heavy objects hoisted by the crane and maintains stability and strength during the operation of the crane to ensure safe and reliable operation. During the processing of the crane main beam, the crane main beam needs to be welded by a movable welding tooling; For example, the authorized patent with announcement number CN218800189U (a welding tool for crane main beam): includes a driving base, four electric drive rollers are arranged at the lower end of the driving base, a welding head is arranged at the upper end of the driving base, a welding hopper is arranged on one side of the welding head, a cleaning component is fixedly connected to one side of the driving base, the cleaning component is located on one side of the welding hopper, a concave block is fixedly connected to the lower end of the driving base, and a main rod is embedded at the lower end of the concave block; Although the above-mentioned prior art solves the problem that the existing welding tooling is easily moved and offset due to external and human factors by means of cleaning components, concave blocks, main rods, docking rods, dovetail grooves and dovetail blocks, it does not have the ability to adjust the position. Therefore, traditional butt welding tooling can often only perform simple straight line or plane welding, which is difficult to meet the welding requirements of complex-shaped crane main beams. In addition, the welding gun needs to be frequently replaced and the angle needs to be adjusted during the welding process, which increases the difficulty of operation and time cost. Therefore, the market urgently needs to develop high-efficiency crane main beam assembly butt welding tooling to help people solve the existing problems. Summary of the invention

[0003] The purpose of the present invention is to provide a high-efficiency crane main beam assembly butt-welding tooling to solve the problem that the traditional butt-welding tooling mentioned in the above background technology can often only perform simple straight line or plane welding, which is difficult to meet the welding requirements of complex-shaped crane main beams, and requires frequent replacement of welding guns and adjustment of angles during the welding process, which increases the difficulty of operation and time cost.

[0004] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a high-efficiency crane main beam assembly butt welding tool, comprising a base frame, a longitudinal drive box is arranged inside the base frame, a mounting platform is arranged above the base frame, a vertical drive mechanism is arranged above the mounting platform, a transverse drive mechanism is arranged on one side of the front end of the vertical drive mechanism, an angle adjustment mechanism is arranged on one side of the transverse drive mechanism, and a welding gun is arranged inside the angle adjustment mechanism.

[0005] Preferably, a protective block is provided on one side of the transverse driving mechanism along the lower side of the angle adjustment mechanism, a block cavity is provided in the middle of the protective block, a partition fixedly connected to the protective block is provided inside the block cavity, a shading plate is provided on one side of the partition, the lower end of the shading plate extends to the lower side of the protective block, a screw rod 2 rotatably connected to the protective block is provided on the other side of the partition, a slider 2 is slidably installed on the outer side of the screw rod 2, a connecting plate is fixedly installed on one side of the slider 2, a long groove is provided inside the partition, one end of the connecting plate passes through the partition through the long groove of the partition and is fixedly connected to the shading plate.

[0006] Preferably, guide plates are symmetrically fixedly installed on one side of the shading plate along the front and rear ends of the connecting plate, one end of the guide plate passes through the partition through the long groove of the partition, and a column fixedly connected to the protective block is provided on one side of the partition, and the column slides through the guide plate.

[0007] Preferably, dust removal ports are symmetrically arranged on both sides inside the protective block, and the dust removal ports extend to the front end surface of the protective block. A protective net fixedly connected to the protective block is arranged inside the dust removal port, and suction pipes are symmetrically fixedly installed on both sides above the protective block, and the suction pipes are connected to the dust removal ports.

[0008] Preferably, the chassis includes a mounting base plate, a supporting strip plate and a reinforcing plate, and two mounting base plates, two supporting strip plates and two reinforcing plates are each provided, the two supporting strip plates are symmetrically arranged on both sides of the longitudinal drive box, the two mounting base plates are respectively fixedly installed under the two supporting strip plates, the two reinforcing plates are respectively fixedly installed at the front end and the rear end of the two supporting strip plates, and the reinforcing plate is fixedly connected to the longitudinal drive box.

[0009] Preferably, a screw cavity is provided inside the longitudinal drive box, a screw 1 is provided inside the screw cavity of the longitudinal drive box, a slider 1 is slidably installed on the outer side of the screw 1, an extension plate is fixedly installed below the slider 1, and the lower end of the extension plate extends to the bottom of the longitudinal drive box, a side cavity 1 is provided inside the longitudinal drive box along one side of the screw cavity, an encoder is provided inside the side cavity 1, and the measuring end of the encoder is fixedly connected to the screw 1.

[0010] Preferably, the mounting frame includes a table plate and a connecting frame, a wire feeder and a welding machine are fixedly installed above the table plate, two connecting frames are provided, and the two connecting frames are fixedly installed with the extension plate, the table plate is fixedly connected to the connecting frame, slides are symmetrically fixedly installed on both sides below the table plate, track plates are fixedly installed above the two supporting strips, the two track plates correspond to the positions of the two slides respectively, a slide groove is provided below the slide, and the upper end of the track plate extends to the inside of the slide groove of the slide.

[0011] Preferably, the vertical drive mechanism includes a vertical drive box, a power box 1 and a transmission plate, the vertical drive box is fixedly connected to the table, the power box 1 is fixedly installed above the vertical drive box, and the transmission plate is arranged at the front end of the vertical drive box.

[0012] Preferably, the transverse driving mechanism includes an equipment plate, a mounting plate, an electric cylinder, a movable plate seat and a guide rod, the equipment plate is fixedly connected to the transmission plate, the mounting plate is fixedly installed on one side above the equipment plate, the electric cylinder is fixedly installed on one side of the mounting plate, the movable plate seat is arranged on one side of the mounting plate, the push rod end of the electric cylinder passes through the mounting plate and is fixedly connected to the movable plate seat, the guide rod is arranged above the electric cylinder, and one end of the guide rod passes through the mounting plate and is fixedly connected to the movable plate seat.

[0013] Preferably, the angle adjustment mechanism includes a side plate, a power box 2 and an electric clamp, the side plate is fixedly installed on one side of the movable plate seat, the power box 2 is fixedly installed on one side of the movable plate seat, and the electric clamp is fixedly installed on the other side of the movable plate seat.

[0014] Compared with the prior art, the present invention has the following beneficial effects: 1. The invention integrates longitudinal, vertical and horizontal drive mechanisms and flexible angle adjustment mechanisms through integrated design, which realizes the precise positioning and flexible adjustment of the welding gun in three-dimensional space. It not only completely breaks the limitation of traditional tooling that is limited to straight line or plane welding, but also eliminates the need for frequent replacement of welding guns or manual adjustment of angles when welding main beams with complex shapes, thereby greatly reducing the difficulty of operation and time cost. At the same time, the automatic drive and adjustment mechanism ensures the alignment of the welding joint and the stability of the welding quality, realizes the welding of crane main beams with complex shapes and angles, and improves the overall work efficiency and product quality.

[0015] 2. The invention adopts a transparent arc-proof welding shading soft plate as a shading plate in the protective block, which not only facilitates the observation of the welding part, but also successfully blocks the invasion of harmful light. In addition, the shading plate can be flexibly adjusted through a screw drive mechanism to meet the needs of different welding positions, further improving the safety of the operation and the comfort of the operator. The dust removal port arranged inside the protective block is connected to the negative pressure suction end of the external dust collector, and the smoke and harmful gases generated during the welding process are quickly discharged through the suction pipe, which significantly improves the working environment and effectively protects the health of the operator.

[0016] 3. The invention realizes precise control of the welding position by adopting the setting of screw transmission and encoder feedback in the longitudinal drive box, which can ensure the precise positioning of the welding joint and the stability of the welding quality in the welding of the crane main beam. At the same time, the real-time feedback function of the encoder facilitates real-time monitoring and adjustment of the welding position, thereby improving work efficiency and yield rate. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the welding tooling of the main beam assembly of a high-efficiency crane of the present invention; Figure 2 It is a structural schematic diagram of the lateral driving mechanism and the angle adjustment mechanism of the present invention; Figure 3 is a schematic diagram of a bottom view of a chassis of the present invention; Figure 4 is a side sectional view of a longitudinal drive box of the present invention; Figure 5 is a cross-sectional view of a protective block of the present invention; Figure 6 It is a side view of the protection block of the present invention.

[0018] In the figure: 1, chassis; 101, mounting bottom plate; 102, support strip plate; 103, reinforcement plate; 2, longitudinal drive box; 3, mounting stand; 301, table plate; 302, connecting frame; 4, wire feeder; 5, welding machine; 6, vertical drive mechanism; 601, vertical drive box; 602, power box 1; 603, transmission plate; 7, horizontal drive mechanism; 701, equipment plate; 702, mounting vertical plate; 703, electric cylinder; 704, moving plate seat; 70 5. Guide rod; 8. Angle adjustment mechanism; 801. Side plate; 802. Power box 2; 803. Electric clamp; 9. Track plate; 10. Slide plate; 11. Welding gun; 12. Protective block; 1201. Partition plate; 13. Screw rod 1; 14. Slider 1; 15. Extension plate; 16. Encoder; 17. Screw rod 2; 18. Slider 2; 19. Connecting plate; 20. Guide plate; 21. Column; 22. Intake pipe; 23. Dust removal port; 24. Shade plate. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0020] See also Figure 1-6An embodiment of the present invention is as follows: a welding tool for a main beam assembly of a high-efficiency crane, comprising a base frame 1, a longitudinal drive box 2 is arranged inside the base frame 1, a mounting platform 3 is arranged above the base frame 1, a vertical drive mechanism 6 is arranged above the mounting platform 3, a transverse drive mechanism 7 is arranged on one side of the front end of the vertical drive mechanism 6, an angle adjustment mechanism 8 is arranged on one side of the transverse drive mechanism 7, and a welding gun 11 is arranged inside the angle adjustment mechanism 8.

[0021] When in use, the integrated tooling structure of the longitudinal drive box 2, the vertical drive mechanism 6, the transverse drive mechanism 7 and the angle adjustment mechanism 8 realizes precise control and efficient operation of the crane main beam welding process. The coordinated work of the base frame, the mounting stand, the vertical and transverse drive mechanisms and the angle adjustment mechanism ensures the stability and flexibility of the welding operation, significantly improves the welding efficiency and quality, reduces manual intervention, reduces labor intensity, and solves the problem that traditional welding tooling can only perform simple straight line or plane welding, which is difficult to meet the welding requirements of complex-shaped crane main beams, and requires frequent replacement of welding guns and adjustment of angles during the welding process, which increases the difficulty of operation and time cost.

[0022] Further, a protective block 12 is provided on one side of the transverse driving mechanism 7 along the lower side of the angle adjustment mechanism 8, a block cavity is provided in the middle of the protective block 12, a partition 1201 fixedly connected to the protective block 12 is provided inside the block cavity, a shading plate 24 is provided on one side of the partition 1201, the shading plate 24 is a transparent arc-proof welding shading soft plate, the lower end of the shading plate 24 extends to the lower side of the protective block 12, a screw rod 17 rotatably connected to the protective block 12 is provided on the other side of the partition 1201, a slider 18 is slidably installed on the outer side of the screw rod 17, and a connecting plate 19 is fixedly installed on one side of the slider 18. A long groove is provided inside the partition 1201, and one end of the connecting plate 19 passes through the long groove of the partition 1201 and is fixedly connected to the shading plate 24. The setting of the protective block 12 effectively isolates the strong arc generated during the welding process and protects the operator's eyesight safety. The shading plate adopts a transparent anti-arc welding shading soft plate, which not only ensures a clear field of vision, but also effectively blocks harmful light. The shading plate can be flexibly adjusted according to the welding position through the screw drive mechanism, further improving the safety and comfort of the operation. In the welding of the crane main beam, the arc damage can be reduced to a certain extent.

[0023] Furthermore, a guide plate 20 is symmetrically fixedly installed on one side of the shading plate 24 along the front and rear ends of the connecting plate 19, one end of the guide plate 20 passes through the partition 1201 through the long groove of the partition 1201, and a column 21 fixedly connected to the protective block 12 is provided on one side of the partition 1201, and the column 21 slides through the guide plate 20. The setting of the guide plate 20 and the column 21 enhances the stability of the shading plate 24 during the adjustment process.

[0024] Furthermore, dust removal ports 23 are symmetrically arranged on both sides of the interior of the protective block 12, and the dust removal ports 23 extend to the front end surface of the protective block 12. A protective net fixedly connected to the protective block 12 is arranged inside the dust removal port 23. Intake pipes 22 are symmetrically fixedly installed on both sides above the protective block 12. The intake pipes 22 are connected to the dust removal ports 23. The intake pipes 22 are connected to the negative pressure suction end of an external dust collector. The combination of the dust removal port 23 and the intake pipe 22 effectively discharges the smoke and harmful gases generated during welding, improves the working environment, protects the health of operators, and improves the cleanliness and safety of the working environment.

[0025] Furthermore, the chassis 1 includes a mounting base plate 101, a supporting strip 102 and a reinforcing plate 103, and two mounting base plates 101, supporting strip plates 102 and reinforcing plates 103 are each provided. The two supporting strip plates 102 are symmetrically arranged on both sides of the longitudinal drive box 2, and the two mounting base plates 101 are respectively fixedly installed under the two supporting strip plates 102, and the two reinforcing plates 103 are respectively fixedly installed at the front and rear ends of the two supporting strip plates 102, and the reinforcing plate 103 is fixedly connected to the longitudinal drive box 2. The stable structural design of the chassis 1 provides a solid supporting platform for the entire tooling. The arrangement of the mounting base plate 101, supporting strip plates 102 and reinforcing plates 103 not only enhances the load-bearing capacity of the chassis 1, but also improves the stability and rigidity of the overall structure, which is beneficial to the stability and precision during the welding process.

[0026] Furthermore, a screw cavity is provided inside the longitudinal drive box 2, a screw 13 is provided inside the screw cavity of the longitudinal drive box 2, a slider 14 is slidably installed on the outer side of the screw 13, an extension plate 15 is fixedly installed below the slider 14, and the lower end of the extension plate 15 extends to the bottom of the longitudinal drive box 2, a side cavity 1 is provided inside the longitudinal drive box 2 along one side of the screw cavity, an encoder 16 is provided inside the side cavity 1, a measuring end of the encoder 16 is fixedly connected to the screw 13, a side cavity 2 is provided inside the longitudinal drive box 2 along the other side of the screw cavity, a driving motor of the screw 13 is provided inside the side cavity 2, the longitudinal drive box 2 adopts the setting of screw transmission and encoder feedback, so as to realize the precise control of the welding position, and can ensure the precise alignment of the welding joint and the stability of the welding quality in the welding of the crane main beam, and at the same time, the real-time feedback function of the encoder is convenient for real-time monitoring and adjustment of the welding position, thereby improving the working efficiency and the yield rate.

[0027] Furthermore, the mounting stand 3 includes a table plate 301 and a connecting frame 302, a wire feeder 4 and a welding machine 5 are fixedly installed above the table plate 301, a welding gun 11 is electrically connected to the welding machine 5, two connecting frames 302 are provided, and the two connecting frames 302 are fixedly installed with the extension plate 15, the table plate 301 is fixedly connected to the connecting frame 302, slide plates 10 are symmetrically fixedly installed on both sides below the table plate 301, track plates 9 are fixedly installed above the two supporting strips 102, the two track plates 9 correspond to the positions of the two slide plates 10, a slide groove is provided below the slide plate 10, and the upper end of the track plate 9 extends to the inside of the slide groove of the slide plate 10, the wire feeder and welding machine equipment are integrated on the mounting stand 3, which is conducive to the centralized control of the welding operation, and the stable connection between the connecting frame 302 and the extension plate 15 ensures the stability and safety of the equipment during the welding process.

[0028] Furthermore, the vertical drive mechanism 6 includes a vertical drive box 601, a power box 602 and a transmission plate 603. The vertical drive box 601 is fixedly connected to the table 301. The vertical drive box 601 is provided with a screw cavity and a side cavity 1 which are the same as those in the longitudinal drive box 2. The internal structure of the screw cavity and the side cavity 1 of the vertical drive box 601 is the same as that of the longitudinal drive box 2. The power box 602 is fixedly installed above the vertical drive box 601. The transmission plate 603 is arranged at the front end of the vertical drive box 601. The slider on the outer side of the screw in the screw cavity of the vertical drive box 601 is fixedly connected to the transmission plate 603, so that the transmission plate 603 can be lifted and moved. The setting of the vertical drive mechanism 6 realizes the flexible movement and control of the welding gun in the vertical direction, which is beneficial to the welding requirements of different heights in the welding of the crane main beam and improves the flexibility and efficiency of welding.

[0029] Furthermore, the transverse driving mechanism 7 includes an equipment plate 701, an installation plate 702, an electric cylinder 703, a movable plate seat 704 and a guide rod 705. The equipment plate 701 is fixedly connected to the transmission plate 603. The installation plate 702 is fixedly installed on one side above the equipment plate 701. The electric cylinder 703 is fixedly installed on one side of the installation plate 702. The movable plate seat 704 is arranged on one side of the installation plate 702. The push rod end of the electric cylinder 703 penetrates the installation plate 702 and is fixedly connected to the movable plate seat 704. The guide rod 705 is arranged above the electric cylinder 703, and one end of the guide rod 705 penetrates the installation plate 702 and is fixedly connected to the movable plate seat 704. The setting of the transverse driving mechanism 7 realizes the rapid movement and positioning of the welding gun in the horizontal direction. The coordinated use of the electric cylinder 703 and the guide rod 705 ensures the smooth movement and stopping of the movable plate seat 704. In the welding of the crane main beam, it is convenient to quickly adapt to different welding position requirements and improve the flexibility and efficiency of welding.

[0030] Furthermore, the angle adjustment mechanism 8 includes a side plate 801, a power box 802 and an electric clamp 803. The side plate 801 is fixedly installed on one side of the movable plate seat 704, the power box 802 is fixedly installed on one side of the movable plate seat 704, and a driving motor of the electric clamp 803 is arranged inside the power box 802, so that the electric clamp 803 can rotate, and the driving motor is a stepping motor with self-locking capability. The electric clamp 803 is fixedly installed on the other side of the movable plate seat 704. The setting of the angle adjustment mechanism 8 enables the welding gun to adjust the angle according to different welding requirements. By driving the electric clamp 803 to rotate, the flexible rotation and positioning of the welding gun are facilitated. In the welding of the crane main beam, it is convenient to meet the angle requirements of complex welding joints, and the adaptability and flexibility of welding are improved. At the same time, the electric drive method also reduces the difficulty and error rate of manual adjustment, and improves the accuracy and efficiency of welding.

[0031] Working principle: When in use, when the crane main beam assembly is welded, the longitudinal drive box 2, vertical drive mechanism 6, transverse drive mechanism 7 and angle adjustment mechanism 8 work together to control the movement and positioning of the welding gun 11 in length, height, width and angle respectively. The longitudinal drive box 2 and the vertical drive mechanism 6 use screw transmission and encoder structure inside, which is conducive to the precise control of the welding position and stable alignment, solves the problem of welding the crane main beam with complex shapes, and significantly reduces the operation difficulty and time cost. At the same time, the transparent anti-arc welding shading soft plate arranged in the protective block 12 effectively isolates the welding arc and protects the operator's eyesight, and the combination of the dust removal port 23 and the external dust collector quickly removes welding smoke and harmful gases, thereby improving the working environment.

[0032] It will be apparent to those skilled in the art that the invention is not limited to the details of the exemplary embodiments described above and that the invention can be implemented in other specific forms without departing from the spirit or essential features of the invention. Therefore, the embodiments should be considered exemplary and non-limiting in all respects, and the scope of the invention is defined by the appended claims rather than the foregoing description, and it is intended that all variations falling within the meaning and scope of the equivalent elements of the claims be included in the invention. Any reference numeral in a claim should not be considered as limiting the claim to which it relates.

Claims

1. A high-efficiency crane main beam assembly butt welding tool, comprising a base frame (1), characterized in that: A longitudinal drive box (2) is arranged inside the base frame (1), a mounting stand (3) is arranged above the base frame (1), a vertical drive mechanism (6) is arranged above the mounting stand (3), a transverse drive mechanism (7) is arranged on one side of the front end of the vertical drive mechanism (6), an angle adjustment mechanism (8) is arranged on one side of the transverse drive mechanism (7), and a welding gun (11) is arranged inside the angle adjustment mechanism (8).

2. The high-efficiency crane main beam assembly butt welding tool according to claim 1 is characterized by: A protective block (12) is provided on one side of the transverse driving mechanism (7) below the angle adjustment mechanism (8); a block cavity is provided in the middle of the protective block (12); a partition (1201) fixedly connected to the protective block (12) is provided inside the block cavity; a shading plate (24) is provided on one side of the partition (1201); the lower end of the shading plate (24) extends to below the protective block (12); a screw rod (17) rotatably connected to the protective block (12) is provided on the other side of the partition (1201); a slider (18) is slidably mounted on the outer side of the screw rod (17); a connecting plate (19) is fixedly mounted on one side of the slider (18); a long groove is provided inside the partition (1201); one end of the connecting plate (19) passes through the partition (1201) through the long groove of the partition (1201) and is fixedly connected to the shading plate (24).

3. The high-efficiency crane main beam assembly butt welding tooling according to claim 2 is characterized in that: A guide plate (20) is symmetrically fixedly mounted on one side of the shading plate (24) along the front and rear ends of the connecting plate (19), one end of the guide plate (20) passes through the partition (1201) through a long groove of the partition (1201), and a column (21) fixedly connected to the protective block (12) is provided on one side of the partition (1201), and the column (21) slides through the guide plate (20).

4. The high-efficiency crane main beam assembly butt welding tool according to claim 3 is characterized by: Dust removal ports (23) are symmetrically arranged on both sides of the interior of the protection block (12), and the dust removal ports (23) extend to the front end surface of the protection block (12). A protection net fixedly connected to the protection block (12) is arranged inside the dust removal port (23). Suction pipes (22) are symmetrically fixedly installed on both sides above the protection block (12), and the suction pipes (22) are connected to the dust removal ports (23).

5. The high-efficiency crane main beam assembly butt welding tool according to claim 1 is characterized in that: The base frame (1) comprises a mounting base plate (101), a supporting strip plate (102) and a reinforcing plate (103), and two mounting base plates (101), two supporting strip plates (102) and two reinforcing plates (103) are provided, the two supporting strip plates (102) are symmetrically arranged on both sides of the longitudinal drive box (2), the two mounting base plates (101) are respectively fixedly installed below the two supporting strip plates (102), the two reinforcing plates (103) are respectively fixedly installed at the front end and the rear end of the two supporting strip plates (102), and the reinforcing plates (103) are fixedly connected to the longitudinal drive box (2).

6. The high-efficiency crane main beam assembly butt welding tool according to claim 5 is characterized by: A screw rod cavity is provided inside the longitudinal drive box (2), a screw rod 1 (13) is provided inside the screw rod cavity of the longitudinal drive box (2), a slider 1 (14) is slidably mounted on the outer side of the screw rod 1 (13), an extension plate (15) is fixedly mounted below the slider 1 (14), the lower end of the extension plate (15) extends to the bottom of the longitudinal drive box (2), a side cavity 1 is provided inside the longitudinal drive box (2) along one side of the screw rod cavity, an encoder (16) is provided inside the side cavity 1, and a measuring end of the encoder (16) is fixedly connected to the screw rod 1 (13).

7. The high-efficiency crane main beam assembly butt welding tool according to claim 6 is characterized by: The mounting frame (3) comprises a table plate (301) and a connecting frame (302), a wire feeder (4) and a welding machine (5) are fixedly mounted above the table plate (301), two connecting frames (302) are provided, and the two connecting frames (302) are fixedly mounted to the extension plate (15), the table plate (301) and the connecting frame (302) are fixedly connected, slide plates (10) are symmetrically fixedly mounted on both sides below the table plate (301), track plates (9) are fixedly mounted above the two supporting strips (102), the two track plates (9) correspond to the positions of the two slide plates (10) respectively, a slide groove is provided below the slide plate (10), and the upper end of the track plate (9) extends to the inside of the slide groove of the slide plate (10).

8. The high-efficiency crane main beam assembly butt welding tool according to claim 1 is characterized by: The vertical drive mechanism (6) comprises a vertical drive box (601), a power box 1 (602) and a transmission plate (603); the vertical drive box (601) is fixedly connected to the platform (301); the power box 1 (602) is fixedly installed above the vertical drive box (601); and the transmission plate (603) is arranged at the front end of the vertical drive box (601).

9. The high-efficiency crane main beam assembly butt welding tool according to claim 8 is characterized in that: The transverse drive mechanism (7) comprises an equipment plate (701), a mounting plate (702), an electric cylinder (703), a movable plate seat (704) and a guide rod (705); the equipment plate (701) is fixedly connected to the transmission plate (603); the mounting plate (702) is fixedly installed on one side above the equipment plate (701); the electric cylinder (703) is fixedly installed on one side of the mounting plate (702); the movable plate seat (704) is arranged on one side of the mounting plate (702); a push rod end of the electric cylinder (703) passes through the mounting plate (702) and is fixedly connected to the movable plate seat (704); the guide rod (705) is arranged above the electric cylinder (703); and one end of the guide rod (705) passes through the mounting plate (702) and is fixedly connected to the movable plate seat (704).

10. The high-efficiency crane main beam assembly butt welding tool according to claim 9 is characterized in that: The angle adjustment mechanism (8) comprises a side plate (801), a second power box (802) and an electric clamp (803); the side plate (801) is fixedly mounted on one side of the movable plate seat (704); the second power box (802) is fixedly mounted on one side of the movable plate seat (704); and the electric clamp (803) is fixedly mounted on the other side of the movable plate seat (704).

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