Correcting device for excavator dipper arm

Abstract

The utility model belongs to excavator bucket lever correction technical field, concretely relates to the correction device for excavator bucket lever, including base, the top of base is fixedly connected with two groups of fixed frame, two groups fixed frame top fixedly connected with connecting seat, the bottom of connecting seat is installed with two hydraulic oil cylinders, the output of hydraulic oil cylinder is connected with correction block, the inside of base is connected with two lead screws, the outer wall screw thread connection of two lead screws has the thread sleeve, the outer wall fixed connection of thread sleeve has movable block. The utility model discloses through double -end motor drive rotating rod rotation, then utilizes the meshing relationship between first bevel gear and second bevel gear drive two lead screws rotation, make its outer wall screw thread connection thread sleeve can drive movable block along the guide rod ascending, and at the same time movable block passes through the ascending of the opening connected protective cover and will together, thereby utilizing the protective cover after ascending can play the protection function to the four around of base, improve security.

Description

Technical Field

[0001] This utility model belongs to the field of excavator stick correction technology, specifically relating to a correction device for excavator sticks. Background Technology

[0002] Excavator sticks are prone to bending and deformation due to stress concentration and accidental impacts during long-term heavy-duty operation, affecting operational accuracy and equipment lifespan. A correction device is the core equipment for solving this problem. This device typically consists of a mechanical frame, a hydraulic drive system, positioning clamps, and a precision detection module. During operation, the deformed stick is first secured by the positioning clamps. Then, the hydraulic system provides controllable thrust or tension to slowly and precisely correct the deformed area according to preset parameters. Simultaneously, the precision detection module monitors the stick's deformation and angular deviation in real time, ensuring that the corrected dimensions meet original factory standards. Its advantages include eliminating the need to disassemble the stick assembly, reducing component wear, and providing strong control over the correction process, avoiding secondary damage caused by overcorrection. It is widely used in construction machinery repair shops and equipment maintenance at mining and infrastructure construction sites, significantly reducing stick replacement costs and extending excavator lifespan.

[0003] Currently, existing excavator stick straightening devices typically use a hydraulic system to press down a straightening block, which then straightens the excavator stick placed below. However, traditional excavator stick straightening devices often lack protective structures. If debris flies off the excavator stick during hydraulic straightening, it may injure nearby workers, thus reducing the safety of excavator stick straightening. Utility Model Content

[0004] The purpose of this utility model is to provide a correction device for excavator sticks, aiming to solve the problem that existing excavator stick correction devices typically use a hydraulic device to press down a correction block to correct the excavator stick placed below. However, traditional excavator stick correction devices often lack protective structures. When debris flies off the excavator stick during hydraulic correction, it may cause injury to nearby workers, thus reducing the safety of excavator stick correction.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a correction device for excavator sticks, comprising a base, two sets of fixing frames fixedly connected to the top of the base, connecting seats fixedly connected to the top of the two sets of fixing frames, two hydraulic cylinders installed at the bottom of the connecting seats, correction blocks connected to the output ends of the hydraulic cylinders, two lead screws connected inside the base, threaded sleeves threaded to the outer walls of the two lead screws, movable blocks fixedly connected to the outer walls of the threaded sleeves, a protective cover fitted onto the outer wall of the base, and an opening provided on the outer wall of the base.

[0006] As a preferred embodiment of the excavator stick correction device of this utility model, a guide rod is fixedly connected inside the base, and one end of the movable block is sleeved on the outer wall of the guide rod.

[0007] As a preferred embodiment of the excavator boom alignment device of this utility model, one end of each of the two lead screws is fixedly connected to a first bevel tooth, a dual-head motor is installed inside the base, the output end of the dual-head motor is connected to a rotating rod, one end of the rotating rod is fixedly connected to a second bevel tooth, and the end of the rotating rod is rotatably connected to a rotating seat.

[0008] As a preferred embodiment of the excavator stick correction device of this utility model, the first bevel tooth and the second bevel tooth mesh with each other.

[0009] As a preferred embodiment of the excavator stick correction device of this utility model, a motor is installed at one end of the connecting seat, a bidirectional lead screw is connected to the output end of the motor, two threaded connecting blocks are threadedly connected to the outer wall of the bidirectional lead screw, a slider is fixedly connected to the bottom of the two threaded connecting blocks, and a sliding groove is provided at the bottom of the connecting seat.

[0010] As a preferred embodiment of the excavator stick correction device of this utility model, the slider can extend to the outside of the connecting seat through the slide groove.

[0011] As a preferred embodiment of the excavator stick correction device of this utility model, the two threaded connecting blocks can form a sliding connection structure with the connecting seat through a slider and a groove.

[0012] Compared with the prior art, the beneficial effects of this utility model are: The rotating rod is driven by a dual-head motor, and then the meshing relationship between the first and second bevel teeth drives the two lead screws to rotate. The threaded sleeve connected to the outer wall can drive the movable block to rise along the guide rod. At the same time, the movable block will rise together as it passes through the protective cover connected by the opening. The raised protective cover can protect the base from all sides, thereby improving the safety of the excavator stick alignment.

[0013] The motor drives the bidirectional lead screw to rotate, which allows the two threaded connecting blocks on the outer wall to move towards or away from each other along the slide groove under the action of the slider. At the same time, the distance between the two hydraulic cylinders installed at the bottom of the slider can be adjusted, thereby improving the practicality of the excavator stick correction device. Attached Figure Description

[0014] The accompanying drawings are provided to further illustrate the present invention and form part of the specification. They are used together with the embodiments of the present invention to explain the present invention, but do not constitute a limitation thereof. In the drawings: Figure 1 This is a schematic diagram of the main structure of this utility model; Figure 2 This is a schematic diagram of the first main view cross-sectional structure of this utility model; Figure 3 This is a schematic diagram of the second main view cross-sectional structure of this utility model; Figure 4 This is an enlarged structural schematic diagram of the present invention.

[0015] In the diagram: 1. Base; 2. Fixing frame; 3. Connecting seat; 4. Hydraulic cylinder; 5. Correction block; 6. Lead screw; 7. Threaded sleeve; 8. Movable block; 9. Protective cover; 10. Opening; 11. Guide rod; 12. First bevel gear; 13. Double-headed motor; 14. Rotating rod; 15. Second bevel gear; 16. Rotating seat; 17. Motor; 18. Bidirectional lead screw; 19. Threaded connecting block; 20. Slider; 21. Slide groove. Detailed Implementation

[0016] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0017] Please see Figures 1-4 The present invention provides the following technical solution: a correction device for excavator boom, including a base 1, two sets of fixing brackets 2 are fixedly connected to the top of the base 1, a connecting seat 3 is fixedly connected to the top of the two sets of fixing brackets 2, two hydraulic cylinders 4 are installed at the bottom of the connecting seat 3, a correction block 5 is connected to the output end of the hydraulic cylinder 4, two lead screws 6 are connected inside the base 1, threaded sleeves 7 are threadedly connected to the outer wall of the two lead screws 6, a movable block 8 is fixedly connected to the outer wall of the threaded sleeve 7, a protective cover 9 is sleeved on the outer wall of the base 1, and an opening 10 is opened on the outer wall of the base 1; It should be noted that the two lead screws 6 are symmetrically distributed, and the protective cover 9 is equipped with tempered glass on all four sides, which allows staff to easily check the calibration progress when the protective cover 9 is raised.

[0018] Preferably: a guide rod 11 is fixedly connected inside the base 1, one end of the movable block 8 is sleeved on the outer wall of the guide rod 11, one end of the two lead screws 6 is fixedly connected to a first bevel tooth 12, a double-head motor 13 is installed inside the base 1, the output end of the double-head motor 13 is connected to a rotating rod 14, one end of the rotating rod 14 is fixedly connected to a second bevel tooth 15, and the end of the rotating rod 14 is rotatably connected to a rotating seat 16, and the first bevel tooth 12 and the second bevel tooth 15 mesh with each other; It should be noted that the internal structure of the dual-head motor 13 is a dual-rotor structure, which can freely control the direction of rotation of the two rotating rods 14 at both ends, thereby realizing the synchronous and same-direction rotation of the two lead screws 6. The rotating seat 16 is used to support the ends of the rotating rods 14.

[0019] In practical use, the dual-head motor 13 drives the rotating rod 14 to rotate, and then the meshing relationship between the first bevel tooth 12 and the second bevel tooth 15 drives the two lead screws 6 to rotate, so that the threaded sleeve 7 connected to the outer wall can drive the movable block 8 to rise along the guide rod 11. At the same time, the movable block 8 will rise together through the protective cover 9 connected through the opening 10. Thus, the protective cover 9 after rising can protect the base 1 from all sides, thereby improving the safety of the excavator stick correction. Conversely, by manipulating the dual-head motor 13 to make the two lead screws 6 rotate in opposite directions, the meshing relationship between the first bevel tooth 12 and the second bevel tooth 15 is used to drive the two lead screws 6 to rotate in opposite directions together, so that the threaded sleeve 7 connected to the outer wall can drive the movable block 8 to descend along the guide rod 11. At the same time, the movable block 8 will descend together through the protective cover 9 connected to the opening 10.

[0020] Preferably, a motor 17 is installed at one end of the connecting seat 3, and a bidirectional lead screw 18 is connected to the output end of the motor 17. Two threaded connecting blocks 19 are threadedly connected to the outer wall of the bidirectional lead screw 18. A slider 20 is fixedly connected to the bottom of the two threaded connecting blocks 19. A groove 21 is provided at the bottom of the connecting seat 3. The slider 20 can extend to the outside of the connecting seat 3 through the groove 21. The two threaded connecting blocks 19 can form a sliding connection structure with the connecting seat 3 through the slider 20 and the groove 21. It should be noted that the hydraulic cylinder 4 is installed at the bottom of the slider 20.

[0021] In practical use, the motor 17 drives the bidirectional lead screw 18 to rotate, so that the two threaded connecting blocks 19 connected by the outer wall can move towards each other or in opposite directions along the slide groove 21 under the action of the slider 20. At the same time, the distance between the two hydraulic cylinders 4 installed at the bottom of the slider 20 can be adjusted, thereby improving the practicality of the excavator stick correction device.

[0022] Working principle: First, the excavator stick is placed on the base 1. Then, the dual-head motor 13 drives the rotating rod 14 to rotate. The meshing relationship between the first bevel gear 12 and the second bevel gear 15 drives the two lead screws 6 to rotate, so that the threaded sleeves 7 connected to the outer wall can drive the movable block 8 to rise along the guide rod 11. At the same time, the movable block 8 will rise together through the protective cover 9 connected through the opening 10. The raised protective cover 9 can protect the base 1 from all sides, thereby improving the safety of the excavator stick during correction. Then, the motor 17 drives the bidirectional lead screw 18 to rotate, so that the two threaded connecting blocks 19 connected to the outer wall can move towards or opposite each other along the slide groove 21 under the action of the slider 20. At the same time, the distance between the two hydraulic cylinders 4 installed at the bottom of the slider 20 can be adjusted. Finally, the hydraulic cylinders 4 drive the correction block 5 to press down, so as to perform hydraulic correction of the excavator stick. Finally, by operating the dual-head motor 13, the two lead screws 6 are rotated in opposite directions, so that the protective cover 9 is lowered.

[0023] Finally, it should be noted that the above are merely preferred embodiments of this utility model and are not intended to limit the utility model. Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this utility model should be included within the protection scope of this utility model.

Claims

1. A correction device for excavator stick, comprising a base (1), characterized in that: The top of the base (1) is fixedly connected to two sets of fixing brackets (2), and the top of the two sets of fixing brackets (2) is fixedly connected to connecting seats (3). The bottom of the connecting seats (3) is equipped with two hydraulic cylinders (4). The output end of the hydraulic cylinders (4) is connected to a correction block (5). The inside of the base (1) is connected to two lead screws (6). The outer wall of the two lead screws (6) is threadedly connected to a threaded sleeve (7). The outer wall of the threaded sleeve (7) is fixedly connected to a movable block (8). The outer wall of the base (1) is fitted with a protective cover (9). The outer wall of the base (1) has an opening (10).

2. The excavator stick alignment device according to claim 1, characterized in that: The base (1) is fixedly connected to a guide rod (11), and one end of the movable block (8) is sleeved on the outer wall of the guide rod (11).

3. The excavator stick alignment device according to claim 1, characterized in that: One end of each of the two lead screws (6) is fixedly connected to a first bevel tooth (12). A double-headed motor (13) is installed inside the base (1). The output end of the double-headed motor (13) is connected to a rotating rod (14). One end of the rotating rod (14) is fixedly connected to a second bevel tooth (15). The end of the rotating rod (14) is rotatably connected to a rotating seat (16).

4. The excavator stick alignment device according to claim 3, characterized in that: The first bevel tooth (12) meshes with the second bevel tooth (15).

5. The excavator stick alignment device according to claim 1, characterized in that: A motor (17) is installed at one end of the connecting seat (3), and a bidirectional lead screw (18) is connected to the output end of the motor (17). Two threaded connecting blocks (19) are threadedly connected to the outer wall of the bidirectional lead screw (18). A slider (20) is fixedly connected to the bottom of the two threaded connecting blocks (19), and a groove (21) is opened at the bottom of the connecting seat (3).

6. The excavator stick alignment device according to claim 5, characterized in that: The slider (20) can extend to the outside of the connecting seat (3) via the groove (21).

7. The excavator stick alignment device according to claim 5, characterized in that: The two threaded connecting blocks (19) can form a sliding connection structure with the connecting seat (3) through the slider (20) and the groove (21).

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