Excavator bucket rod machining device
By designing support rails, guide rails, and a servo motor-driven machining device, the problem of stable load-bearing during welding of the boom was solved, achieving stable positioning of booms of different sizes and improving welding quality and processing stability.
Patent Information
- Application Number
- CN202423111116.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-17
- Publication Date
- 2025-12-02
- Estimated Expiration
- 2034-12-17
AI Technical Summary
In existing technologies, the excavator boom cannot be stably supported due to the inability to adjust the platform during processing, resulting in easy shaking during welding and affecting the welding quality.
The machine tool employs components such as support rails, guide rails, servo motors, and screws. The servo motor drives the screw to move the moving block and rotating rod, expanding the range of the bearing plate and achieving stable bearing and limiting of buckets of different sizes.
It achieves stable load-bearing and firm positioning of booms of different sizes and specifications, improves processing quality and stability, and enhances the practicality and stability of processing.
Smart Images

Figure CN223617034U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of excavator boom machining technology, and in particular to an excavator boom machining device. Background Technology
[0002] Excavator sticks are generally symmetrical, equal in width, and straight, integral enclosed box-shaped welded components. The stick is hinged to the upper end of the boom. By utilizing the stroke changes of the stick cylinder mounted on the upper plane of the boom beam, the stick can rotate around the hinge point at the upper end of the boom.
[0003] Currently, welding is required during the processing of the boom, which is placed on a platform during welding. However, due to the inconsistent lengths of different booms, the current platform is inconvenient to adjust and has insufficient load-bearing capacity. Furthermore, it cannot be securely locked when limiting the position, and it is prone to shaking, resulting in a decline in welding quality. To address these issues, we have proposed a mechanical processing device for excavator booms. Utility Model Content
[0004] The purpose of this utility model is to address the shortcomings of existing technologies by proposing a mechanical processing device for excavator booms.
[0005] To achieve the above objectives, the present invention adopts the following technical solution:
[0006] A machining device for excavator booms includes two support rails. Guide rails are slidably connected to both sides of the upper end of each support rail. A horizontal plate is provided at the lower end of each support rail. A mounting plate is fixed to one side of the upper end of the horizontal plate. A servo motor is mounted on the other side of the upper end of the horizontal plate. A forward and reverse screw is connected to the end of the output shaft of the servo motor. One end of the forward and reverse screw is rotatably connected to one side of the mounting plate. Two moving blocks are threaded onto the forward and reverse screws. Two connecting rods are rotatably connected to the moving blocks. A rotating rod is rotatably connected to the upper end of each connecting rod. The two rotating rods are arranged crosswise, and their intersection is rotatably connected. The two ends of the two rotating rods are slidably connected to one side of each of the two guide rails. A bearing plate is inserted into the upper end of each guide rail. Multiple threaded blind holes are evenly spaced on the upper end of the bearing plate, and four of these threaded blind holes are threaded with stop rods.
[0007] Preferably, the upper end of the support rail is provided with a first sliding groove, and the lower ends of the guide rail are both fixed with first sliders, with one first slider on the same side installed in one first sliding groove on the same side.
[0008] Preferably, slots are provided on both sides of the upper end of the guide rail, and plugs are fixed on both sides of the lower end of the support plate, with one plug on the same side being inserted into one slot on the same side.
[0009] Preferably, a second slide groove is provided on one side of the guide rail, and two second sliders are installed in the second slide groove. The two ends of the two rotating rods are respectively rotatably connected to one of the second sliders on the same side.
[0010] Preferably, the lower end of the stop bar has an external thread on its side wall, and the external thread is threaded into a blind threaded hole.
[0011] Preferably, a rubber sleeve is fitted on the circumferential side wall of the stop bar.
[0012] Preferably, pads are fixed on both sides of the lower end of the support rail.
[0013] In this utility model, when the excavator stick needs to be processed for bearing, the servo motor is pre-controlled to rotate. As the output shaft of the servo motor rotates, it drives the forward and reverse screws to rotate, which in turn drives the two moving blocks to move towards the center simultaneously. As they move towards the center, they drive the two rotating rods to open through the connecting rod, thereby realizing the movement of the guide rails on both sides to the sides. As the two guide rails move to the sides, they drive the two bearing plates to the sides, thereby expanding the bearing range. After reaching the set size, the stick is placed on the two bearing plates, and then the stop bar is screwed into the threaded blind hole around the stick to achieve full positioning.
[0014] The excavator boom processing device of this utility model can not only adapt to the load-bearing requirements of booms of different sizes and specifications, but also provide sufficient and stable limiting and locking to ensure the stability and firmness of the processing, greatly improving the quality of boom processing and enhancing its practicality and stability. Attached Figure Description
[0015] Figure 1 This is a structural diagram of the present invention;
[0016] Figure 2 This is a diagram of the guide rail mounting structure of this utility model;
[0017] Figure 3 This is a structural diagram of the bearing plate of this utility model;
[0018] Figure 4 This is a structural diagram of the stop bar of this utility model.
[0019] In the diagram: 1 guide rail, 2 first slider, 3 first slide groove, 4 forward and reverse screws, 5 mounting plate, 6 connecting rod, 7 rotating rod, 8 external thread, 9 servo motor, 10 horizontal plate, 11 moving block, 12 slot, 13 rubber sleeve, 14 stop bar, 15 bearing plate, 16 threaded blind hole, 17 pad block, 18 insert block. Detailed Implementation
[0020] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments.
[0021] Reference Figure 1-4 A mechanical processing device for excavator sticks includes two support rails. Guide rails 1 are slidably connected to both sides of the upper end of the two support rails. A first groove 3 is provided at the upper end of the support rails. A first slider 2 is fixed to both sides of the lower end of the guide rail 1. A first slider 2 on the same side is installed in a first groove 3 on the same side, which can ensure the stable sliding of the guide rail 1.
[0022] The lower end of the two support rails is provided with a horizontal plate 10. A mounting plate 5 is fixed on one side of the upper end of the horizontal plate 10. A servo motor 9 is installed on the other side of the upper end of the horizontal plate 10. The output shaft of the servo motor 9 is connected to a forward and reverse screw 4. One end of the forward and reverse screw 4 is rotatably connected to one side of the mounting plate 5. Two moving blocks 11 are threaded on the forward and reverse screw 4. By rotating the output shaft of the servo motor 9 in both directions, the two moving blocks 11 can move to the middle at the same time or move to both sides at the same time.
[0023] Two connecting rods 6 are rotatably connected to the movable block 11. A rotating rod 7 is rotatably connected to the upper end of the connecting rod 6. The two rotating rods 7 are arranged crosswise and rotatably connected at the intersection. The two ends of the two rotating rods 7 are slidably connected to one side of the two guide rails 1. A second slide groove is provided on one side of the guide rail 1. Two second sliders are installed in the second slide groove. The two ends of the two rotating rods 7 are rotatably connected to one of the second sliders on the same side, which can ensure that the guide rail 1 moves with the rotation of the rotating rod 7.
[0024] A support plate 15 is inserted into the upper end of the guide rail 1. Slots 12 are provided on both sides of the upper end of the guide rail 1. Insert blocks 18 are fixed on both sides of the lower end of the support plate 15. One insert block 18 on the same side is inserted into one slot 12 on the same side, which facilitates quick installation and disassembly, and at the same time allows for stable installation and fixation.
[0025] The upper end of the bearing plate 15 is provided with multiple threaded blind holes 16 at equal intervals. Among them, four threaded blind holes 16 are internally threaded with stop rods 14. The lower end of the stop rod 14 is provided with external threads 8 on its side wall. The external threads 8 and the threaded blind holes 16 are threadedly connected. The side wall of the stop rod 14 is provided with rubber sleeves 13, which can fully clamp the stick and provide protection.
[0026] In this utility model, when the excavator stick needs to be processed, the servo motor 9 is pre-controlled to rotate. As the output shaft of the servo motor 9 rotates, it drives the forward and reverse screws 4 to rotate, which in turn drives the two moving blocks 11 to move towards the center at the same time. As they move towards the center, they drive the two rotating rods 7 to open through the connecting rod 6, which in turn enables the guide rails 1 on both sides to move to both sides. As the two guide rails 1 move to both sides, they drive the two bearing plates 15 to move to both sides, thereby expanding the bearing range. After reaching the set size, the stick is placed on the two bearing plates 15, and then the stop rod 14 is screwed into the threaded blind hole 16 around the stick to achieve full positioning.
[0027] The above description is only a preferred embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any equivalent substitutions or changes made by those skilled in the art within the technical scope disclosed in the present utility model, based on the technical solution and the inventive concept of the present utility model, should be included within the protection scope of the present utility model.
Claims
1. A machining device for excavator boom, comprising two support rails, characterized in that, Guide rails (1) are slidably connected to the upper ends of the two support rails. A horizontal plate (10) is provided at the lower end of the two support rails. A mounting plate (5) is fixed to one side of the upper end of the horizontal plate (10). A servo motor (9) is installed on the other side of the upper end of the horizontal plate (10). A forward and reverse screw (4) is connected to the end of the output shaft of the servo motor (9). One end of the forward and reverse screw (4) is rotatably connected to one side of the mounting plate (5). Two moving blocks (11) are threaded onto the forward and reverse screw (4). 11) There are two connecting rods (6) rotatably connected to the upper end of the connecting rod (6), and a rotating rod (7) is rotatably connected to the upper end of the connecting rod (6). The two rotating rods (7) are arranged crosswise, and the intersection of the two rotating rods (7) is rotatably connected. The two ends of the two rotating rods (7) are slidably connected to one side of the two guide rails (1). A bearing plate (15) is inserted into the upper end of the guide rail (1). The upper end of the bearing plate (15) is provided with multiple threaded blind holes (16) at equal intervals. Among them, four threaded blind holes (16) are threaded with a stop rod (14).
2. The excavator boom machining device according to claim 1, characterized in that: The upper end of the support rail is provided with a first slide groove (3), and the lower ends of the guide rail (1) are fixed with first sliders (2) on both sides. A first slider (2) on the same side is installed in a first slide groove (3) on the same side.
3. The excavator boom machining device according to claim 1, characterized in that: The upper end of the guide rail (1) is provided with slots (12) on both sides, and the lower end of the bearing plate (15) is fixed with plugs (18) on both sides. A plug (18) on the same side is inserted into a slot (12) on the same side.
4. The excavator boom machining device according to claim 1, characterized in that: The guide rail (1) has a second slide groove on one side, and two second sliders are installed in the second slide groove. The two ends of the two rotating rods (7) are respectively rotatably connected to one of the second sliders on the same side.
5. The excavator boom machining device according to claim 1, characterized in that: The lower end of the stop bar (14) is provided with an external thread (8) on its side wall, and the external thread (8) is threadedly connected to the threaded blind hole (16).
6. The excavator boom machining device according to claim 1, characterized in that: A rubber sleeve (13) is fitted on the side wall of the stop bar (14).
7. The excavator boom machining device according to claim 1, characterized in that: Pads (17) are fixed on both sides of the lower end of the support rail.