Automatic milling machine

Abstract

The utility model discloses an automatic milling machine, which relates to the technical field of milling machines, and comprises a walking vehicle and a milling frame, the front end of the top of the walking vehicle is fixedly connected with a lifting frame, a sliding rail is fixedly connected in the lifting frame, a connecting plate is arranged in the sliding rail in a sliding manner, and the milling frame is fixedly connected with the sliding rail. A first connecting frame and a top plate are fixedly connected to the front side of the connecting plate, a mounting plate is fixedly connected to the inner side of the lifting frame, a hydraulic cylinder is fixedly connected to the mounting plate, a mounting rod is fixedly connected to the telescopic rod end of the hydraulic cylinder, chain wheels are rotationally connected to the two ends of the mounting rod, and chains are arranged on the chain wheels; the two ends of the chain are fixedly connected to the mounting plate and the connecting plate respectively. According to the automatic milling machine, through matched arrangement of the walking wheels, the hydraulic cylinder and the chain, in the using process of the automatic milling machine, the automatic milling machine can automatically move, the height can be automatically adjusted, using is more convenient, and the working efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of milling machines, in particular to an automatic milling machine. Background Art

[0002] Pavement milling machine is one of the main types of machinery for asphalt pavement maintenance and construction, and one of the main equipment for asphalt concrete pavement maintenance and construction. It is mainly used for excavation and renovation of asphalt concrete surface layers in highways, urban roads, airports, freight yards, etc. It can also be used to remove road surface defects such as bulges, oil waves, reticulation, rutting, etc. It can also be used to excavate road potholes and grooves, as well as roughen cement pavement and mill out surface misalignment.

[0003] During the use of the existing small milling machine, the staff usually pushes the device forward and needs to manually adjust the height, which causes the staff to have a high labor intensity and low work efficiency.

[0004] Therefore, it is necessary to propose an automatic milling machine to solve the above problems. Utility Model Content

[0005] 1. Technical issues to be resolved

[0006] The purpose of the utility model is to provide an automatic milling machine to solve the problem that in the use of the existing small milling machine mentioned in the above background technology, the staff usually push the device forward and need to manually adjust the height, which causes the staff to have high labor intensity and low work efficiency.

[0007] (II) Technical solution

[0008] The sprocket wheel is annularly connected to the bottom of the gear train of the hydraulic cylinder, and the sprocket wheel is adjacent to the gear train of the hydraulic cylinder, and the sprocket wheel is adjacent to the gear train of the hydraulic cylinder, and the sprocket wheel is adjacent to the gear train of the hydraulic cylinder.

[0009] Preferably, a milling rotor is rotatably connected inside the milling frame, a motor is fixedly connected to the top surface of the milling frame, the output shaft of the motor and the shaft of the milling rotor are both fixedly connected to pulleys, and the two pulleys are connected via a belt drive.

[0010] Preferably, a telescopic frame is fixedly connected to the outer plate of the milling frame, a telescopic rod is movably provided in the inner cavity of the telescopic frame, a roller is rotatably connected to the bottom of the telescopic rod, an adjusting bolt is threadedly connected to the top surface of the telescopic frame, and a fixing bolt is rotatably connected to the side plate of the telescopic frame.

[0011] Preferably, a universal wheel is provided at the bottom of the rear end of the traveling vehicle.

[0012] (III) Beneficial effects

[0013] Compared with the prior art, the utility model provides an automatic milling machine, which has the following beneficial effects:

[0014] The automatic milling machine, through the coordinated arrangement of the walking wheels, the hydraulic cylinder and the chain, can make the device move automatically during use and can automatically adjust the height, making it more convenient to use and improving work efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is an axonometric schematic diagram of the utility model;

[0016] Figure 2 It is a bottom view schematic diagram of the milling frame structure of the utility model;

[0017] Figure 3 It is a schematic diagram of the internal structure of the lifting frame structure of the utility model.

[0018] In the figure: 1. traveling vehicle; 2. traveling wheel; 4. pulley; 5. telescopic frame; 6. telescopic rod; 7. roller; 8. fixing bolt; 9. adjusting bolt; 10. milling frame; 11. motor; 12. universal wheel; 13. belt; 14. second connecting frame; 15. milling rotor; 16. mounting rod; 17. hydraulic cylinder; 18. first connecting frame; 19. top plate; 20. driving motor; 21. slide rail; 22. chain; 23. mounting plate; 24. sprocket; 25. lifting frame; 26, connecting plate. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0020] See also Figure 1-3 As shown, an automatic milling machine includes a traveling vehicle 1 and a milling frame 10. The top front end of the traveling vehicle 1 is fixedly connected with a lifting frame 25, a slide rail 21 is fixedly connected inside the lifting frame 25, a connecting plate 26 is slidably arranged inside the slide rail 21, a first connecting frame 18 and a top plate 19 are respectively fixedly connected to the front side of the connecting plate 26, a mounting plate 23 is fixedly connected to the inner side of the lifting frame 25, a hydraulic cylinder 17 is fixedly connected to the mounting plate 23, a mounting rod 16 is fixedly connected to the end of the telescopic rod 6 of the hydraulic cylinder 17, a sprocket 24 is rotatably connected to the two ends of the mounting rod 16, a chain 22 is arranged on the sprocket 24, and a chain 22 is arranged on the sprocket 24. Through the coordinated arrangement of the walking wheel 2, the hydraulic cylinder 17 and the chain 22, the device can be moved by itself and the height can be automatically adjusted during use, which makes it more convenient to use and improves work efficiency. The two ends of the chain 22 are respectively fixedly connected to the mounting plate 23 and the connecting plate 26. The front end outer side of the traveling vehicle 1 is rotatably connected to the walking wheel 2, the front end inner side of the traveling vehicle 1 is fixedly connected to the driving motor 20, and the output shaft of the driving motor 20 is fixedly connected to the shaft of the walking wheel 2. A second connecting frame 14 docking with the first connecting frame 18 is fixedly connected to a side plate of the milling frame 10.

[0021] The milling frame 10 is internally rotatably connected to a milling rotor 15, and a motor 11 is fixedly connected to the top surface of the milling frame 10. The output shaft of the motor 11 and the shaft of the milling rotor 15 are both fixedly connected to a pulley 4. The two pulleys 4 are connected by a belt 13. When the device is used, the motor 11 drives the milling rotor 15 to rotate, so that the ground can be milled.

[0022] A telescopic frame 5 is fixedly connected to the outer plate of the milling frame 10, a telescopic rod 6 is movably provided in the inner cavity of the telescopic frame 5, a roller 7 is rotatably connected to the bottom of the telescopic rod 6, an adjusting bolt 9 is threadedly connected to the top surface of the telescopic frame 5, and a fixing bolt 8 is rotatably connected to the side plate of the telescopic frame 5. When adjusting the height of the roller 7, the adjusting bolt 9 on the top of the telescopic frame 5 is rotated first. After the telescopic rod 6 abuts against the adjusting bolt, the fixing bolt 8 is rotated to fix the telescopic rod 6. The roller 7 plays an auxiliary role in the movement of the device.

[0023] A universal wheel 12 is provided at the bottom of the rear end of the traveling vehicle 1 to facilitate the steering of the device.

[0024] Working principle: When using the device, after the first connecting frame 18 and the second connecting frame 14 are connected, they can be fixed with pins. When adjusting the height, the hydraulic cylinder 17 is operated, and the telescopic rod 6 of the hydraulic cylinder 17 is raised, so that the sprocket 24 rotates, and at the same time, one end of the chain 22 is raised, and the connecting plate 26 is raised upward in the slide rail 21, driving the milling frame 10 to rise, and the height of the milling frame 10 can be adjusted. After that, the drive motor 20 can drive the drive wheel to rotate, so that the device automatically moves forward or backward.

[0025] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the sentence "comprise a ..." do not exclude the existence of other identical elements in the process, method, article or device including the elements.

[0026] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An automatic milling machine, characterized in that: The invention comprises a traveling vehicle (1) and a milling frame (10), wherein the top front end of the traveling vehicle (1) is fixedly connected to a lifting frame (25), a slide rail (21) is fixedly connected inside the lifting frame (25), a connecting plate (26) is slidably arranged inside the slide rail (21), a first connecting frame (18) and a top plate (19) are respectively fixedly connected to the front side of the connecting plate (26), a mounting plate (23) is fixedly connected to the inner side of the lifting frame (25), a hydraulic cylinder (17) is fixedly connected to the mounting plate (23), and a telescopic rod (6) end of the hydraulic cylinder (17) is fixedly connected to the mounting rod (16), The two ends of the mounting rod (16) are rotatably connected to sprockets (24), the sprockets (24) are provided with chains (22), the two ends of the chain (22) are respectively fixedly connected to the mounting plate (23) and the connecting plate (26), the front end outer side of the traveling vehicle (1) is rotatably connected to the traveling wheel (2), the front end inner side of the traveling vehicle (1) is fixedly connected to the driving motor (20), the output shaft of the driving motor (20) is fixedly connected to the shaft of the traveling wheel (2), and a second connecting frame (14) connected to the first connecting frame (18) is fixedly connected to a side plate of the milling frame (10).

2. The automatic milling machine according to claim 1, characterized in that: A milling rotor (15) is rotatably connected inside the milling frame (10), a motor (11) is fixedly connected to the top surface of the milling frame (10), an output shaft of the motor (11) and the shaft of the milling rotor (15) are both fixedly connected to pulleys (4), and the two pulleys (4) are connected by a belt (13).

3. The automatic milling machine according to claim 1, characterized in that: A telescopic frame (5) is fixedly connected to the outer plate of the milling frame (10); a telescopic rod (6) is movably arranged in the inner cavity of the telescopic frame (5); a roller (7) is rotatably connected to the bottom of the telescopic rod (6); an adjusting bolt (9) is threadedly connected to the top surface of the telescopic frame (5); and a fixing bolt (8) is rotatably connected to the side plate of the telescopic frame (5).

4. The automatic milling machine according to claim 1, characterized in that: A universal wheel (12) is arranged at the bottom of the rear end of the traveling vehicle (1).

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