Welding tool for longitudinal beam guard plate of crawler excavator

Abstract

The utility model relates to the field of excavator assembly machining, and discloses a crawler excavator longitudinal beam protection plate welding tool which comprises a longitudinal beam protection plate and a rectangular beam, three positioning supports are welded to the top face of the rectangular beam, each positioning support comprises a first vertical rod and a second vertical rod, and a connecting rod is arranged between each first vertical rod and the corresponding second vertical rod; the longitudinal beam protection plate is lifted among the three positioning supports through a lifting appliance, a longitudinal beam on the longitudinal beam protection plate abuts against the positioning blocks and is placed in clamping grooves of the three connecting rods, the three first adjusting bolts and the three second adjusting bolts are rotated in the direction of the longitudinal beam protection plate, and the longitudinal beam protection plate is welded according to the actual welding deformation amount. In the welding process, the pressing force of the longitudinal beam protection plate is adjusted by adjusting the positions of the first adjusting bolt and the second adjusting bolt, the flatness of the longitudinal beam protection plate is protected, the longitudinal beam protection plate can be rapidly fixed, welding reversible deformation is increased according to the actual welding effect, and therefore the production efficiency, the product yield and the product quality are improved.

Description

Technical Field

[0001] The present application relates to the field of excavator component processing, and in particular to a welding tool for a longitudinal beam guard plate of a crawler excavator. Background Art

[0002] As we all know, track guards are installed on excavators. As the name suggests, track guards are steel plates used to protect the excavator tracks. During the welding process, the excavator track guards need to be turned over. At present, the industry uses manual handling to turn over the excavator track guards. The mass of the excavator track guards is large, and manual turning is inconvenient. Moreover, the degree of automation of manual turning is low, and the work efficiency is low. Utility Model Content

[0003] In order to solve the problem that the industry uses manual handling to turn over the excavator track guard, the excavator track guard is heavy, manual turning is inconvenient, and the degree of automation of manual turning is low, resulting in low work efficiency, the present application provides a welding tool for the longitudinal beam guard of a crawler excavator.

[0004] The present application provides a welding fixture for a longitudinal beam guard plate of a crawler excavator, which adopts the following technical solution:

[0005] A welding tool for a longitudinal beam guard plate of a crawler excavator includes a longitudinal beam guard plate and a rectangular beam. Three positioning brackets are welded to the top surface of the rectangular beam. The positioning bracket includes a first vertical rod and a second vertical rod. A connecting rod is provided between the first vertical rod and the second vertical rod. A slot is provided on the top surface of the connecting rod. A rectangular block is provided on one side wall of the first vertical rod. A first adjusting bolt is passed through the rectangular block. A second adjusting bolt is passed through the second vertical rod.

[0006] Preferably, a positioning block is provided at one end of the top surface of the rectangular beam, a positioner connection plate is provided on the bottom surface of the rectangular beam, and three fixing plates are provided on the front surface of the rectangular beam.

[0007] Preferably, the longitudinal beam guard plate includes a longitudinal beam, the top surface of the longitudinal beam is provided with a bottom plate, the side wall of the bottom plate opposite to the second vertical rod is provided with four bent plates, and the bent plate farthest from the positioning block is connected to a reinforcing plate, which is connected to the bottom plate and the longitudinal beam.

[0008] Preferably, the positioner connection plate is connected to the welding positioner via screws.

[0009] Preferably, the width and height of the longitudinal beam are both adapted to the slot.

[0010] In summary, this application has the following beneficial technical effects:

[0011] Use a hoist to lift the longitudinal beam guard plate between the three positioning brackets, press the longitudinal beam on the longitudinal beam guard plate against the positioning block, and place the longitudinal beam in the slots of the three connecting rods, and rotate the three first adjusting bolts and the three second adjusting bolts toward the longitudinal beam guard plate. According to the actual welding deformation, the clamping force of the longitudinal beam guard plate is adjusted by adjusting the position of the first adjusting bolts and the second adjusting bolts during the welding process to protect the flatness of the longitudinal beam guard plate and quickly fix the longitudinal beam guard plate. According to the actual welding effect, the welding anti-deformation is increased to improve production efficiency, product yield and product quality. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 This is a structural front view of an embodiment of the application;

[0013] Figure 2 It is a rear view of the structure of the embodiment of the application;

[0014] Figure 3 is a schematic structural diagram of a positioning bracket according to an embodiment of the application;

[0015] Figure 4 It is a schematic structural diagram of the longitudinal beam guard plate of the application embodiment.

[0016] Explanation of the accompanying reference numerals: 1. Rectangular beam; 2. Fixing plate; 3. Positioning bracket; 4. Positioner connecting plate; 5. First adjusting bolt; 6. Positioning block; 7. Bending plate; 8. Bottom plate; 9. Second adjusting bolt; 11. Reinforcement plate; 12. Slot; 13. Connecting rod; 14. First vertical rod; 15. Second vertical rod; 16. Rectangular block; 17. Longitudinal beam. DETAILED DESCRIPTION

[0017] The following is combined with Figure 1-4 This application is described in further detail.

[0018] The embodiment of the present application discloses a welding tool for a crawler excavator longitudinal beam guard plate, referring to Figure 1 and Figure 3, including a longitudinal beam guard plate and a rectangular beam 1, three positioning brackets 3 are welded on the top surface of the rectangular beam 1, the positioning bracket 3 includes a first vertical rod 14 and a second vertical rod 15, the height of the first vertical rod 14 is lower than the height of the second vertical rod 15, a connecting rod 13 is provided between the first vertical rod 14 and the second vertical rod 15, the first vertical rod 14, the second vertical rod 15 and the connecting rod 13 are fixedly connected to each other and fixedly connected to the rectangular beam 1, a slot 12 is provided on the top surface of the connecting rod 13, a rectangular block 16 is fixedly provided on one side wall of the first vertical rod 14, a first adjusting bolt 5 is passed through the rectangular block 16, the first adjusting bolt 5 is threadedly connected to the rectangular block 16, a second adjusting bolt 9 is passed through the second vertical rod 15, the second adjusting bolt 9 is threadedly connected to the second vertical rod 15, a positioning block 6 is fixedly provided at one end of the top surface of the rectangular beam 1, and the bottom surface of the rectangular beam 1 is fixed A positioner connecting plate 4 is fixed, and the positioner connecting plate 4 is connected to the welding positioner by screws, so that manual welding and robot welding can be realized. Three fixing plates 2 are fixed on the front of the rectangular beam 1. First, use a sling to lift the longitudinal beam guard plate between the three positioning brackets 3, and press the longitudinal beam 17 on the longitudinal beam guard plate against the positioning block 6, and the longitudinal beam 17 is placed in the slot 12 of the three connecting rods 13. The three first adjusting bolts 5 and the three second adjusting bolts 9 are rotated in the direction of the longitudinal beam guard plate. According to the actual welding deformation, the clamping force of the longitudinal beam guard plate is adjusted by adjusting the position of the first adjusting bolt 5 and the second adjusting bolt 9 during the welding process to protect the flatness of the longitudinal beam guard plate and quickly fix the longitudinal beam guard plate. The welding anti-deformation is increased according to the actual welding effect to improve production efficiency, product yield and product quality.

[0019] Reference Figure 2 and Figure 4 The longitudinal beam guard plate includes a longitudinal beam 17, a bottom plate 8 is fixed on the top surface of the longitudinal beam 17, the width and height of the longitudinal beam 17 are adapted to the card slot 12, and four bent plates 7 are fixed on the side wall of the bottom plate 8 opposite to the second vertical rod 15. A bent plate 7 farthest from the positioning block 6 is fixedly connected to a reinforcing plate 11, and the reinforcing plate 11 is fixedly connected to the bottom plate 8 and the longitudinal beam 17. The longitudinal beam guard plate is formed by blanking the plate, bending, lap welding and welding.

[0020] The implementation principle of the welding tooling for the longitudinal beam guard plate of a crawler excavator in an embodiment of the present application is as follows: when in use, first connect the positioner connecting plate 4 to the welding positioner by screws to realize manual welding and robot welding, and then use a sling to lift the longitudinal beam guard plate between the three positioning brackets 3, and press the longitudinal beam 17 on the longitudinal beam guard plate against the positioning block 6, and place the longitudinal beam 17 in the slot 12 of the three connecting rods 13, and finally rotate the three first adjusting bolts 5 and the three second adjusting bolts 9 in the direction of the longitudinal beam guard plate. According to the actual welding deformation, the clamping force of the longitudinal beam guard plate is adjusted by adjusting the position of the first adjusting bolt 5 and the second adjusting bolt 9 during the welding process to protect the flatness of the longitudinal beam guard plate, and can quickly fix the longitudinal beam guard plate, and increase the welding anti-deformation according to the actual welding effect to improve production efficiency, product yield and product quality.

[0021] Finally, a few points should be explained: First, in the description of this application, it should be noted that, unless otherwise specified or limited, the terms "mounted," "connected," and "connected" should be understood in a broad sense, and may refer to mechanical or electrical connections, internal communication between two components, or direct connection. "Up," "down," "left," and "right" are only used to indicate relative positional relationships. When the absolute positions of the objects being described change, the relative positional relationships may also change.

[0022] Secondly: The drawings of the embodiments disclosed in this utility model only involve structures related to the embodiments disclosed in this utility model. Other structures can refer to common designs. In the absence of conflicts, the same embodiment and different embodiments of the utility model can be combined with each other.

[0023] Finally: The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

[0024] The above are all preferred embodiments of the present application, and are not intended to limit the scope of protection of the present application. Therefore, any equivalent changes made based on the structure, shape, and principle of the present application should be included in the scope of protection of the present application.

Claims

1. A welding tool for a longitudinal beam guard plate of a crawler excavator, comprising a longitudinal beam guard plate and a rectangular beam (1), characterized in that: Three positioning brackets (3) are welded to the top surface of the rectangular beam (1), and the positioning bracket (3) includes a first vertical rod (14) and a second vertical rod (15). A connecting rod (13) is provided between the first vertical rod (14) and the second vertical rod (15). A clamping groove (12) is provided on the top surface of the connecting rod (13). A rectangular block (16) is provided on one side wall of the first vertical rod (14). A first adjusting bolt (5) is passed through the rectangular block (16), and a second adjusting bolt (9) is passed through the second vertical rod (15).

2. The welding tool for the longitudinal beam guard plate of a crawler excavator according to claim 1, characterized in that: A positioning block (6) is provided at one end of the top surface of the rectangular beam (1), a positioner connection plate (4) is provided on the bottom surface of the rectangular beam (1), and three fixing plates (2) are provided on the front surface of the rectangular beam (1).

3. The welding tool for the longitudinal beam guard plate of a crawler excavator according to claim 1, characterized in that: The longitudinal beam guard plate includes a longitudinal beam (17), a bottom plate (8) is provided on the top surface of the longitudinal beam (17), four bent plates (7) are provided on the side wall of the bottom plate (8) opposite to the second vertical rod (15), a bent plate (7) farthest from the positioning block (6) is connected to a reinforcing plate (11), and the reinforcing plate (11) is connected to the bottom plate (8) and the longitudinal beam (17).

4. The welding tool for the longitudinal beam guard plate of a crawler excavator according to claim 2, characterized in that: The positioner connection plate (4) is connected to the welding positioner via screws.

5. The welding tool for the longitudinal beam guard plate of a crawler excavator according to claim 3, characterized in that: The width and height of the longitudinal beam (17) are both adapted to the slot (12).

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