Bulldozer engine cabin door welding tool

Abstract

The utility model discloses a bulldozer engine cabin door welding tool, and particularly relates to the technical field of machining tools, the bulldozer engine cabin door welding tool comprises a profile support frame and a special-shaped cabin door contact plate arranged on the top surface of the profile support frame and used for placing a bulldozer engine cabin door, and a shape and position reinforcing rib is fixedly installed on the top face of the basic plane plate and fixedly connected with the special-shaped cabin door contact plate, and a first threaded rod is movably installed on one side of the interior of the profile supporting frame. According to the bulldozer engine cabin door welding tool, in the actual work, in the bulldozer engine cabin door welding process, the bulldozer engine cabin door is fixed to the mounting holes of the special-shaped cabin door contact plate through bolts, so that it is guaranteed that the relative position size of each part is correct, problem points are checked, and the work efficiency is improved. The requirements for the welding size, flatness, perpendicularity, location degree and the like of components are accurately met, and the welding qualification rate can be effectively increased.

Description

Technical Field

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

[0002] Bulldozers are put into various construction sites, and the use of bulldozers is increasing. Bulldozers mainly provide kinetic energy through engines. Therefore, the engine is the core component of a bulldozer. When producing the engine compartment door, welding is required.

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

[0004] The main purpose of the present utility model is to provide a welding tooling for a bulldozer engine compartment door, 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] A welding tooling for a bulldozer engine compartment door includes a profile support frame and a special-shaped cabin door contact plate arranged on the top surface of the profile support frame for placing the bulldozer engine compartment door. A basic plane plate is arranged on the top surface of the profile support frame, and a geometric tolerance strengthening rib is fixedly installed on the top surface of the basic plane plate. The geometric tolerance strengthening rib is fixedly connected with the special-shaped cabin door contact plate. A first threaded rod is movably installed on one side inside the profile support frame, and a first sliding rod is fixedly installed on the other side inside the profile support frame. Two movable blocks are threadedly connected to the outer surface of the first threaded rod, and the two movable blocks are respectively movably connected to the two first sliding rods. One side of each of the two movable blocks is movably connected to a movable rod, and the ends of the two movable rods away from the movable blocks are jointly movably connected to an installation block. A connection hole is opened on one side of the outer surface of the profile support frame, and a transverse connection assembly is arranged on one side inside the profile support frame.

[0007] Preferably, two limiting plates are movably connected inside the installation block, and driving rods are fixedly installed on one side of the two limiting plates located inside the installation block. A micro motor is fixedly installed on one side inside the installation block, and a driving plate is fixedly installed at the output end of the micro motor. Two driving holes are opened on one side of the driving plate, and the two driving holes are respectively movably connected to the two driving rods.

[0008] Preferably, the transverse connection assembly includes connection sleeves and connection blocks arranged on both sides of the profile support frame. A second threaded rod is movably installed on one side inside the profile support frame, and a second sliding rod is fixedly installed on the other side inside the profile support frame. A fixing hook is threadedly connected to the outer surface of the second threaded rod, and the fixing hook is movably connected to the second sliding rod.

[0009] Preferably, a fixing hole is formed inside the connection sleeve. A fixing block is fixedly installed on one side of the connection block, and a fastening hole is formed on one side of the fixing block.

[0010] Preferably, a hidden groove is formed on one side of the outer surface of the connection block, and a hidden rotating handle is movably installed inside the hidden groove. The hidden rotating handle is fixedly connected to the first threaded rod, and two opposite threads are provided on the outer surface of the first threaded rod.

[0011] Preferably, a plurality of mounting holes are formed on the top surface of the special-shaped hatch contact plate.

[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 hatch. By arranging the profile support frame and the special-shaped hatch contact plate, in actual work:

[0014] 1. During the welding process of the bulldozer engine hatch, bolts are used to fix the bulldozer engine hatch to the mounting holes of the special-shaped hatch contact plate to ensure the correct relative position dimensions of each part, check the problem points, accurately ensure the welding dimensions, flatness, perpendicularity, position accuracy, etc. of the components, effectively improve the welding qualification rate, effectively limit the welding positions of each welding unit and the dimensions after forming, reduce the welding skill threshold of welders, and this welding tooling can also be placed on the welding robot workbench to achieve batch operation.

[0015] 2. Rotate the first threaded rod to move the two movable blocks in opposite directions. The movable rod can then push the mounting block into the inside of another profile support frame. The micro motor drives the driving plate to move the two limiting plates in opposite directions, so that the two welding toolings can be longitudinally connected. Insert the connection block of one welding tooling into the connection sleeve of another welding tooling and rotate the second threaded rod to insert the fixing hook into the fastening hole, then the two welding toolings can be transversely connected to facilitate splicing according to the size of the bulldozer engine hatch. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is an installation schematic diagram of the utility model and the bulldozer engine hatch;

[0017] Figure 2Schematic diagram of the separation between the present utility model and the bulldozer engine compartment door;

[0018] Figure 3 Schematic diagram of the basic flat plate, shape and position strengthening ribs, special-shaped compartment door contact plate and mounting holes of the present utility model;

[0019] Figure 4 Schematic diagram of the bottom view structure of the profile support frame of the present utility model;

[0020] Figure 5 Schematic diagram of the sectional view structure of the mounting block of the present utility model;

[0021] Figure 6 Schematic diagram of the structure of the transverse connection assembly of the present utility model;

[0022] Figure 7 Schematic diagram of the side view structure of the profile support frame of the present utility model.

[0023] In the figure: 1. Profile support frame; 2. Basic flat plate; 3. Shape and position strengthening ribs; 4. Special-shaped compartment door contact plate; 5. Mounting holes; 6. Connecting sleeve; 7. Connecting block; 8. Connecting holes; 101. First threaded rod; 102. First sliding rod; 103. Movable block; 104. Movable rod; 105. Mounting block; 106. Hidden groove; 107. Hidden turning handle; 1051. Limiting plate; 1052. Driving plate; 1053. Driving hole; 1054. Micro motor; 1055. Driving rod; 601. Fixed hole; 602. Second threaded rod; 603. Second sliding rod; 604. Fixed hook; 701. Fixed block; 702. Tightening hole. Detailed implementation manners

[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 the detailed implementation manners.

[0025] The present utility model discloses a welding tool for a bulldozer engine compartment door. As Figure 1-7 shown, it includes a profile support frame 1 and a special-shaped compartment door contact plate 4 provided on the top surface of the profile support frame 1 for placing the bulldozer engine compartment door. A basic flat plate 2 is provided on the top surface of the profile support frame 1, and shape and position strengthening ribs 3 are fixedly installed on the top surface of the basic flat plate 2. The shape and position strengthening ribs 3 are fixedly connected to the special-shaped compartment door contact plate 4. A plurality of mounting holes 5 are opened on the top surface of the special-shaped compartment door contact plate 4. During the welding process of the bulldozer engine compartment door, it is fixed through bolts with the mounting holes 5 of the special-shaped compartment door contact plate 4 to ensure the correct relative position dimensions of each part, check the problem points, and accurately ensure the welding dimensions, flatness, perpendicularity, position degree, etc. requirements of the components. Using bolts to join the components on the welding tool can effectively control the welding deformation.

[0026] On one side inside the profile support frame 1, a first threaded rod 101 is movably installed, and on the other side inside the profile support frame 1, a first sliding rod 102 is fixedly installed. Two movable blocks 103 are threadedly connected to the outer surface of the first threaded rod 101, and the two movable blocks 103 are respectively movably connected to the two first sliding rods 102. Two opposite threads are provided on the outer surface of the first threaded rod 101. When the first threaded rod 101 rotates, the two movable blocks 103 can move in opposite directions.

[0027] One side of each of the two movable blocks 103 is movably connected to a movable rod 104, and the ends of the two movable rods 104 away from the movable blocks 103 are jointly movably connected to a mounting block 105. When the two movable blocks 103 move in opposite directions, the two movable rods 104 can push the mounting block 105 to move.

[0028] On one side of the outer surface of the profile support frame 1, a connection hole 8 is provided. When the mounting block 105 of one welding tooling is inserted into the connection hole 8 of another welding tooling, the two welding toolings can be longitudinally connected. A transverse connection assembly is provided on one side inside the profile support frame 1.

[0029] Two limiting plates 1051 are movably connected inside the mounting block 105, and on one side inside the mounting block 105 where the two limiting plates 1051 are located, driving rods 1055 are fixedly installed. A micro motor 1054 is fixedly installed on one side inside the mounting block 105, and a driving plate 1052 is fixedly installed at the output end of the micro motor 1054. Two driving holes 1053 are provided on one side of the driving plate 1052, and the two driving holes 1053 are respectively movably connected to the two driving rods 1055. When the micro motor 1054 drives the driving plate 1052 to rotate, the two limiting plates 1051 can move in opposite directions.

[0030] When the mounting block 105 of one welding tooling is inserted into the connection hole 8 of another welding tooling, the micro motor 1054 drives the driving plate 1052 to rotate, and the two limiting plates 1051 move to the outside of the mounting block 105, so as to prevent the two longitudinally connected welding toolings from separating.

[0031] The transverse connection assembly includes connection sleeves 6 and connection blocks 7 provided on both sides of the profile support frame 1. A second threaded rod 602 is movably installed on one side inside the profile support frame 1, and a second sliding rod 603 is fixedly installed on the other side inside the profile support frame 1. A fixed hook 604 is threadedly connected to the outer surface of the second threaded rod 602, and the fixed hook 604 is movably connected to the second sliding rod 603. By rotating the second threaded rod 602, the fixed hook 604 can be moved.

[0032] The interior of the connecting sleeve 6 is provided with a fixing hole 601. One side of the connecting block 7 is fixedly installed with a fixing block 701, and a fastening hole 702 is provided on one side of the fixing block 701. Insert the connecting block 7 of one welding tooling into the connecting sleeve 6 of another welding tooling, and its fixing block 701 will be inserted into the fixing hole 601. Then rotate the second threaded rod 602 to move the fixing hook 604 until the fixing hook 604 is inserted into the fastening hole 702, so that the two welding toolings can be horizontally connected.

[0033] A hidden groove 106 is provided on one side of the outer surface of the connecting block 7, and a hidden rotating handle 107 is movably installed inside the hidden groove 106. The hidden rotating handle 107 is fixedly connected to the first threaded rod 101.

[0034] The working principle of the present utility model is as follows: First, place the welding tooling on the welding platform to ensure the planar position accuracy of the welding tooling. During the welding process of the bulldozer engine compartment door, the bulldozer engine compartment door is fixed through the mounting holes 5 of the special-shaped hatch contact plate 4 by using bolts to ensure the correct relative position dimensions of each part, check the problem points, and accurately ensure the welding dimensions, flatness, perpendicularity, position accuracy, etc. requirements of the components. Use bolts to join the components to the welding tooling to effectively control the welding deformation. Rotate the first threaded rod 101 to move the two movable blocks 103 in opposite directions, and the movable rod 104 can push the mounting block 105 into the interior of another profile support frame 1. The micro-motor 1054 drives the driving plate 1052 to move the two limiting plates 1051 in opposite directions, so that the two welding toolings can be longitudinally connected. Insert the connecting block 7 of one welding tooling into the connecting sleeve 6 of another welding tooling and rotate the second threaded rod 602 to insert the fixing hook 604 into the fastening hole 702, so that the two welding toolings can be horizontally connected to facilitate splicing according to the size of the bulldozer engine compartment door.

[0035] The above shows and describes the basic principles, main features and advantages of the present utility model. Those skilled in the art of this industry should understand that the present utility model is not limited by the above embodiments. What is described in the above embodiments and the specification only illustrates the principles 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 all 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. A bulldozer engine door welding tool, comprising a profile support frame (1) and a special-shaped door contact plate (4) arranged on the top surface of the profile support frame (1), used for placing the bulldozer engine door, characterized in that: The top surface of the profile support frame (1) is provided with a basic plane plate (2), and a shaped reinforcement rib (3) is fixedly installed on the top surface of the basic plane plate (2), and the shaped reinforcement rib (3) is fixedly connected to the special-shaped door contact plate (4); a first threaded rod (101) is movably installed on one side of the interior of the profile support frame (1), and a first sliding rod (102) is fixedly installed on the other side of the interior of the profile support frame (1); two movable blocks (103) are threadedly connected to the outer surface of the first threaded rod (101), and the two movable blocks (103) are movably connected to the two first sliding rods (102) respectively; one side of the two movable blocks (103) is movably connected to a movable rod (104), and the ends of the two movable rods (104) away from the movable blocks (103) are movably connected to a mounting block (105); a connecting hole (8) is opened on one side of the outer surface of the profile support frame (1), and a transverse connecting component is provided on one side of the interior of the profile support frame (1).

2. The bulldozer engine door welding tool according to claim 1, characterized in that: The mounting block (105) is movably connected to two limit plates (1051) inside, and a driving rod (1055) is fixedly installed on one side of the two limit plates (1051) located inside the mounting block (105). A micro motor (1054) is fixedly installed on one side of the mounting block (105), and a driving plate (1052) is fixedly installed on the output end of the micro motor (1054). Two driving holes (1053) are provided on one side of the driving plate (1052), and the two driving holes (1053) are movably connected to the two driving rods (1055) respectively.

3. The bulldozer engine door welding tool according to claim 1, characterized in that: The transverse connection assembly comprises a connection sleeve (6) and a connection block (7) arranged on both sides of the profile support frame (1); a second threaded rod (602) is movably installed on one side of the interior of the profile support frame (1), and a second sliding rod (603) is fixedly installed on the other side of the interior of the profile support frame (1); a fixing hook (604) is threadedly connected to the outer surface of the second threaded rod (602), and the fixing hook (604) is movably connected to the second sliding rod (603).

4. The bulldozer engine door welding tool according to claim 3, characterized in that: A fixing hole (601) is provided inside the connecting sleeve (6), a fixing block (701) is fixedly mounted on one side of the connecting block (7), and a fastening hole (702) is provided on one side of the fixing block (701).

5. The bulldozer engine door welding tool according to claim 3, characterized in that: A hidden groove (106) is provided on one side of the outer surface of the connection block (7), and a hidden turning handle (107) is movably installed inside the hidden groove (106). The hidden turning handle (107) is fixedly connected to the first threaded rod (101), and the outer surface of the first threaded rod (101) is provided with two sections of opposite threads.

6. The bulldozer engine door welding tool according to claim 1, characterized in that: A plurality of mounting holes (5) are provided on the top surface of the special-shaped door contact plate (4).

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