Bulldozer engine support welding tool

Abstract

The utility model discloses a bulldozer engine support welding tool, and particularly relates to the field of machining tools, the bulldozer engine support welding tool comprises a basic surface plate and an angle control plate arranged on the top surface of the basic surface plate, the bottom surface of the basic surface plate is provided with a section bar support frame, and two sides of the outer surface of the angle control plate are provided with side reinforcing ribs. A plurality of shape and position reinforcing ribs are arranged in the angle control plate, and a plurality of support positioning pins used for fixing a bulldozer engine support are arranged on the top face of the basic plane plate. According to the bulldozer engine support welding tool, in the actual work, the angle control plate, the basic plane plate and bolts are used for fixing so as to ensure that the relative position size of each part is correct, the support positioning pins can simulate the installation structure of a finished product part, troubleshooting can be conducted, and the work efficiency is improved. The requirements for the welding size, flatness, perpendicularity, location degree and the like of the component are accurately met, the component is connected to the tool through bolts, and welding deformation is effectively controlled.

Description

Technical Field

[0001] The utility model relates to the field of machining tooling, in particular to a welding tooling for a bulldozer engine bracket. Background Art

[0002] As the core part of a bulldozer, the engine, like the human heart, continuously provides power to the vehicle. When the engine is assembled into the engine compartment, it needs to be supported and fixed to ensure its normal operation. The engine bracket is the component used to fix the engine. During the production and processing of the engine bracket, welding is required, and a welding tooling is needed when welding the bulldozer generator bracket.

[0003] When manufacturing sheet metal parts, the geometric tolerance requirements for such bulldozer engine brackets are strict, the welding strength requirements are high, the welding volume is large, which easily leads to welding deformation. The manual direct welding method is extremely difficult to ensure geometric tolerance and cannot control welding deformation, resulting in a low product qualification rate. Therefore, to solve the above defects, the inventor of the present utility model proposes a welding tooling for a bulldozer engine bracket. Summary of the Utility Model

[0004] The main purpose of the present utility model is to provide a welding tooling for a bulldozer engine bracket, which can effectively solve the problems in the prior art that it is extremely difficult to ensure geometric tolerance, cannot control welding deformation, and the product qualification rate is low.

[0005] To achieve the above purpose, the technical solution adopted by the present utility model is as follows:

[0006] The welding tooling for a bulldozer engine bracket includes a basic flat plate and an angle control plate arranged on the top surface of the basic flat plate. A profile support frame is provided on the bottom surface of the basic flat plate. Side strengthening ribs are provided on both sides of the outer surface of the angle control plate, and a plurality of geometric tolerance strengthening ribs are arranged inside the angle control plate. A plurality of bracket positioning pins for fixing the bulldozer engine bracket are provided on the top surface of the basic flat plate. Two rotating rods are movably installed inside the profile support frame, and driving gears are fixedly installed at both ends of the two rotating rods. Two racks are movably connected to both sides inside the profile support frame, and the four racks are respectively engaged with the four driving gears. Vertical bevel gears are fixedly installed on the outer surfaces of the two rotating rods, and horizontal bevel gears are movably installed on both sides inside the profile support frame. The horizontal bevel gears are engaged with the vertical bevel gears. Cooling components are provided at one ends of the four racks.

[0007] Preferably, the cooling component includes a driving block fixedly connected to the rack. A rotating shaft is movably installed on one side inside the driving block, and a support rod is fixedly installed on the outer surface of the rotating shaft. An external spray head is movably installed at one end of the support rod away from the rotating shaft. A plurality of limiting holes are formed on one side of the outer surface of the support rod.

[0008] Preferably, a spring is fixedly installed inside the driving block. One end of the spring is fixedly installed with a connecting plate. A limiting rod is fixedly installed on the side of the connecting plate away from the spring. An activity hole is formed in the top surface of the driving block. One end of the side surface of the connecting plate passing through the activity hole is fixedly installed with a dial.

[0009] Preferably, hidden grooves are formed on both sides of the outer surface of the profile support frame. Connecting rods are movably installed inside the two hidden grooves. The two connecting rods are respectively fixedly connected with two transverse bevel gears. A rotating plate is fixedly installed at one end of the connecting rod located in the hidden groove. A plurality of positioning holes are formed on one side of the rotating plate. A plurality of connecting holes are formed inside the hidden groove.

[0010] Preferably, a micro fan is provided inside the base plane plate. An air outlet hole is formed in the top surface of the base plane plate. A filter plate is fixedly installed inside the air outlet hole. A magnet is fixedly installed on the top surface of the filter plate. An iron dust-proof plate is adsorbed inside the air outlet hole through the magnet. An air inlet hole is formed on one side of the outer surface of the base plane plate.

[0011] Preferably, the size of the connecting hole is the same as that of the positioning hole.

[0012] Compared with the prior art, the utility model has the following beneficial effects:

[0013] The utility model discloses a welding tooling for a bulldozer engine bracket. By setting an angle control plate and a profile support frame, in actual work:

[0014] 1. During the welding process of the bulldozer engine bracket, it is fixed with the angle control plate and the base plane plate by using bolts to ensure the correct relative position dimensions of each part. The bracket positioning pin can simulate the installation structure of the finished component, check the problem points, accurately ensure the welding dimensions, flatness, perpendicularity, position degree, etc. requirements of the component. The component is clamped on the tooling by using bolts, effectively controlling the welding deformation. After use, the welding qualification rate of such components is greatly improved, which can effectively limit the welding position of each welding unit and the size after forming, reduce the welding skill threshold of welders, and this tooling can also be placed on the welding robot workbench to realize batch operation.

[0015] 2. Rotate the rotating plate, which can drive the transverse bevel gear to rotate, and then drive the vertical bevel gear and the rotating rod to rotate. The driving gear can push the rack to move, so as to push the driving block to move outside the profile support frame, and connect the external pipeline with the external spray head. The external spray head sprays water on the welded bulldozer engine bracket. It is also possible to choose to start the micro fan to make the air flow, so as to cool the welded bulldozer engine bracket. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a schematic diagram of the installation of the present utility model and the bulldozer engine bracket;

[0017] Figure 2 This is a schematic diagram of the separation of the present utility model and the bulldozer engine bracket;

[0018] Figure 3 This is a schematic diagram of the structure of the positioning pin, angle control plate, form and position strengthening rib, side strengthening rib, base plane plate and profile support frame of the present utility model;

[0019] Figure 4 This is a schematic cross-sectional structure diagram of the profile support frame of the present utility model;

[0020] Figure 5 This is a schematic diagram of the structure of the cooling component of the present utility model;

[0021] Figure 6 This is a schematic diagram of the structure of the hidden groove of the present utility model;

[0022] Figure 7 This is a schematic cross-sectional structure diagram of the base plane plate of the present utility model.

[0023] In the figure: 1, positioning pin of the bracket; 2, angle control plate; 3, form and position strengthening rib; 4, side strengthening rib; 5, base plane plate; 6, profile support frame; 601, rotating rod; 602, driving gear; 603, rack; 604, vertical bevel gear; 605, horizontal bevel gear; 606, driving block; 607, rotating shaft; 608, external spray head; 609, spring; 610, connecting plate; 611, limiting rod; 612, limiting hole; 613, movable hole; 614, dial; 615, support rod; 6011, hidden groove; 6012, rotating plate; 6013, connecting rod; 6014, positioning hole; 6015, connecting hole; 501, micro fan; 502, air inlet hole; 503, air outlet hole; 504, filter plate; 505, iron dust-proof plate; 506, magnet. Specific embodiments

[0024] In order to make the technical means, creative features, achieved purposes and effects of the present utility model easy to understand, the present utility model will be further described below in conjunction with specific embodiments.

[0025] The present utility model discloses a welding tool for a bulldozer engine bracket, as Figure 1-7As shown in the figure, it includes a basic flat plate 5 and an angle control plate 2 provided on the top surface of the basic flat plate 5. The bottom surface of the basic flat plate 5 is provided with a profile support frame 6. Both sides of the outer surface of the angle control plate 2 are provided with side strengthening ribs 4, and a plurality of geometric strengthening ribs 3 are provided inside the angle control plate 2. The top surface of the basic flat plate 5 is provided with a plurality of bracket positioning pins 1 for fixing the bulldozer engine bracket. The bracket positioning pins 1, the angle control plate 2, the geometric strengthening ribs 3, the side strengthening ribs 4, and the basic flat plate 5 are all made by laser cutting process, while the profile support frame 6 is processed by a sawing machine to ensure the accuracy of the components.

[0026] After the bracket positioning pins 1, the angle control plate 2, the geometric strengthening ribs 3, the side strengthening ribs 4, the basic flat plate 5 and the profile support frame 6 are spliced, the butt joints are welded by carbon dioxide gas shielded welding. The tooling is corrected to ensure that the overall dimensions of the tooling are qualified and the deformation is reduced.

[0027] Two rotating rods 601 are movably installed inside the profile support frame 6, and driving gears 602 are fixedly installed at both ends of the two rotating rods 601. When the rotating rods 601 rotate, the driving gears 602 can be driven to rotate.

[0028] Two racks 603 are movably connected to both sides inside the profile support frame 6, and the four racks 603 are respectively meshed with the four driving gears 602. When the two rotating rods 601 drive the four driving gears 602 to rotate, the four racks 603 can be pushed to move.

[0029] Vertical bevel gears 604 are fixedly installed on the outer surfaces of the two rotating rods 601, and horizontal bevel gears 605 are movably installed on both sides inside the profile support frame 6. The horizontal bevel gears 605 are meshed with the vertical bevel gears 604. Cooling components are provided at one ends of the four racks 603. When the horizontal bevel gears 605 drive the vertical bevel gears 604 to rotate, the rotating rods 601 can be driven to rotate.

[0030] The cooling component includes a driving block 606 fixedly connected to the rack 603. When the rack 603 moves, the driving block 606 can be pushed to move so that it can move to the outside of the profile support frame 6 or be received inside the profile support frame 6 when not in use.

[0031] A rotating shaft 607 is movably installed on one side inside the driving block 606, and a support rod 615 is fixedly installed on the outer surface of the rotating shaft 607. The end of the support rod 615 away from the rotating shaft 607 is movably installed with an external spray head 608. By connecting with an external pipeline, external water enters the external spray head 608, and the water is sprayed onto the welded bulldozer engine bracket through the external spray head 608 to cool it. A plurality of limit holes 612 are opened on one side of the outer surface of the support rod 615.

[0032] Inside the driving block 606, a spring 609 is fixedly installed. One end of the spring 609 is fixedly installed with a connecting plate 610. On the side of the connecting plate 610 away from the spring 609, a limiting rod 611 is fixedly installed. An activity hole 613 is opened on the top surface of the driving block 606. One end of the side surface of the connecting plate 610 passing through the activity hole 613 is fixedly installed with a dial 614. By pulling the dial 614 to make the connecting plate 610 compress the spring 609, the limiting plate can be driven to move, and the limiting rod 611 can be pulled out of the limiting hole 612, and then the angle of the support rod 615 can be adjusted.

[0033] Hidden grooves 6011 are provided on both sides of the outer surface of the profile support frame 6. Inside the two hidden grooves 6011, connecting rods 6013 are movably installed, and the two connecting rods 6013 are respectively fixedly connected to the two transverse bevel gears 605. One end of the connecting rod 6013 located in the hidden groove 6011 is fixedly installed with a rotating plate 6012. A plurality of positioning holes 6014 are opened on one side of the rotating plate 6012. A plurality of connection holes 6015 are opened inside the hidden groove 6011. By rotating the rotating plate 6012, the connecting rod 6013 can be driven to rotate, and then the transverse bevel gear 605 can be driven to rotate. By inserting a bolt into the coincident positioning hole 6014 and connection hole 6015, the rotating plate 6012 can be fixed. The size of the connection hole 6015 is the same as that of the positioning hole 6014.

[0034] A micro fan 501 is provided inside the basic flat plate 5. An air outlet hole 503 is opened on the top surface of the basic flat plate 5, and a filter plate 504 is fixedly installed inside the air outlet hole 503. A magnet 506 is fixedly installed on the top surface of the filter plate 504. An iron dust-proof plate 505 is adsorbed inside the air outlet hole 503 through the magnet 506. An air inlet hole 502 is opened on one side of the outer surface of the basic flat plate 5. When the micro fan 501 operates, it can make the air flow to cool the welded bulldozer engine bracket.

[0035] The working principle of the present utility model is as follows: By rotating the rotating plate 6012, the transverse bevel gear 605 can be driven to rotate, and then the vertical bevel gear 604 and the rotating rod 601 can be driven to rotate. The driving gear 602 can then push the rack 603 to move, so as to push the driving block 606 to move outside the profile support frame 6, and connect and combine an external pipeline with an external spray head 608. The external spray head 608 sprays water on the welded bulldozer engine bracket. It is also possible to choose to start the micro fan 501 to make the air flow to cool the welded bulldozer engine bracket.

[0036] The foregoing has shown and described the basic principles, main features and advantages of the present utility model. Those skilled in the art should understand that the present utility model is not limited by the above embodiments, and what is described in the above embodiments and the specification is only to illustrate the principle of the present utility model. Without departing from the spirit and scope of the present utility model, the present utility model will have various changes and improvements, and these changes and improvements fall within the scope of the present utility model claimed. The scope of protection claimed by the present utility model is defined by the appended claims and their equivalents.

Claims

1. Bulldozer engine bracket welding tooling, including a basic flat plate (5) and an angle control plate (2) provided on the top surface of the basic flat plate (5), characterized in that: The bottom surface of the base plane plate (5) is provided with a profile support frame (6). Both sides of the outer surface of the angle control plate (2) are provided with side strengthening ribs (4), and a plurality of form and position strengthening ribs (3) are arranged inside the angle control plate (2). The top surface of the base plane plate (5) is provided with a plurality of bracket positioning pins (1) for fixing the bulldozer engine bracket. Two rotating rods (601) are movably installed inside the profile support frame (6), and driving gears (602) are fixedly installed at both ends of the two rotating rods (601). Two racks (603) are movably connected to both sides inside the profile support frame (6), and the four racks (603) are respectively engaged with the four driving gears (602). Vertical bevel gears (604) are fixedly installed on the outer surfaces of the two rotating rods (601), and horizontal bevel gears (605) are movably installed on both sides inside the profile support frame (6). The horizontal bevel gears (605) are engaged with the vertical bevel gears (604). Cooling components are arranged at one ends of the four racks (603).

2. The welding tooling for the bulldozer engine bracket according to claim 1, characterized in that: The cooling component includes a driving block (606) fixedly connected to the rack (603). A rotating shaft (607) is movably installed on one side inside the driving block (606), and a support rod (615) is fixedly installed on the outer surface of the rotating shaft (607). An external spray head (608) is movably installed at one end of the support rod (615) away from the rotating shaft (607). A plurality of limiting holes (612) are formed on one side of the outer surface of the support rod (615).

3. The welding tooling for the bulldozer engine bracket according to claim 2, characterized in that: A spring (609) is fixedly installed inside the driving block (606). A connecting plate (610) is fixedly installed at one end of the spring (609). A limiting rod (611) is fixedly installed on one side of the connecting plate (610) away from the spring (609). An activity hole (613) is formed on the top surface of the driving block (606). A dial (614) is fixedly installed at one end of the connecting plate (610) passing through the activity hole (613) on the side surface.

4. The welding tooling for the bulldozer engine bracket according to claim 1, characterized in that: Hidden grooves (6011) are formed on both sides of the outer surface of the profile support frame (6). Connecting rods (6013) are movably installed inside the two hidden grooves (6011), and the two connecting rods (6013) are respectively fixedly connected to the two horizontal bevel gears (605). A rotating plate (6012) is fixedly installed at one end of the connecting rod (6013) located inside the hidden groove (6011). A plurality of positioning holes (6014) are formed on one side of the rotating plate (6012). A plurality of connecting holes (6015) are formed inside the hidden groove (6011).

5. The welding tooling for the bulldozer engine bracket according to claim 1, characterized in that: A micro fan (501) is provided inside the base plane plate (5). An air outlet hole (503) is formed in the top surface of the base plane plate (5), and a filter plate (504) is fixedly installed inside the air outlet hole (503). A magnet (506) is fixedly installed on the top surface of the filter plate (504). An iron dust-proof plate (505) is adsorbed inside the air outlet hole (503) through the magnet (506). An air inlet hole (502) is formed in one side of the outer surface of the base plane plate (5).

6. The welding tooling for the bulldozer engine bracket according to claim 4, characterized in that: The size of the connection hole (6015) is the same as that of the positioning hole (6014).

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