Milling machine belt frame

Abstract

The utility model relates to the technical field of milling machines, in particular to a belt frame of a milling machine, which comprises a main frame, a milling main machine is arranged on the bottom surface of the main frame, a hydraulic cylinder, a movable plate, a transverse plate and a mounting plate are arranged, when the milling machine is not used, the movable plate is pulled by the hydraulic cylinder to move towards one side of the mounting plate, and the transverse plate is arranged on the main frame. And at the moment, the size of the device is changed through movement of the movable plate, and transportation operation of the device is conveniently achieved. The movable mechanism is arranged, the hydraulic cylinder drives the movable plate to move, the movable plate drives the second rack to be meshed with the gear to rotate, the gear is meshed with the first rack to move, the first rack drives the vertical plate to move, the vertical plate drives the circular shaft and the second guide roller on the circular shaft to move, the second guide roller pushes the belt, and the belt can be contracted and folded. The belt frame structure can be conveniently contracted, and the use is convenient. The utility model has the advantages of foldability and convenience in transportation.

Description

Technical Field

[0001] The utility model relates to a belt rack, in particular to a belt rack for a 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] The belt racks on the road milling machines in the prior art are mostly fixed on the road milling machines. During the transportation of the road milling machines, the extended belt racks easily cause inconvenience in transportation, which is not conducive to the use and operation of the road milling machines. Therefore, the utility model provides a belt rack for the milling machine. Utility Model Content

[0004] In view of the deficiencies of the prior art, the utility model provides a milling machine belt frame to overcome the deficiencies of the prior art.

[0005] In order to solve the above technical problems, the utility model provides the following technical solutions:

[0006] A milling machine belt frame, comprising a main frame, a milling machine mainframe is arranged on the bottom surface of the main frame, an engine is fixedly connected to the right side of the top surface of the main frame, a cab is fixedly connected to the main frame on the left side of the engine, a driving device is fixedly connected to the bottom surface of the main frame, a connecting device is arranged on the left side of the cab, a belt frame is arranged on the connecting device, an adjusting device is arranged on the top surface of the belt frame, and the other end of the adjusting device is connected to the connecting device;

[0007] The belt rack includes a mounting plate, two mounting plates are symmetrically arranged front and back, a movable mechanism is arranged between the two mounting plates, two cross plates are symmetrically connected to each other on the facing side, the right side of the two cross plates on the same mounting plate is fixedly connected to the same movable plate, two movable shafts are symmetrically connected to each other near the left side between the two mounting plates, two movable shafts are symmetrically connected to each other on the upper and lower sides between the two movable plates, the movable shafts are fixedly connected to first guide rollers, the four first guide rollers are sleeved with the same belt, the side walls of the two mounting plates away from each other are fixedly connected to side plates, the side plates are fixedly connected to hydraulic cylinders, and one end of the hydraulic cylinder is fixedly connected to the movable plate.

[0008] As a preferred technical solution of the utility model, the movable mechanism includes a side groove, a side groove is opened in the center of the side wall on the side facing each other of the two mounting plates, a fixed shaft is fixedly connected to the side groove near the right side, a gear is movably connected to the fixed shaft, a first rack is meshed on the upper side of the gear, a vertical plate is fixedly connected to the left side of the first rack, a same circular shaft is movably connected between the two vertical plates, a second guide roller is fixedly connected to the side wall of the circular shaft, a second rack is meshed on the lower side of the gear, and a movable plate is fixedly connected to the right side of the second rack.

[0009] As a preferred technical solution of the utility model, a brush is fixedly connected to the side wall of the second guide roller.

[0010] As a preferred technical solution of the utility model, two first sliding grooves are symmetrically opened on the inner wall of the side groove, and the first rack and the second rack are fixedly connected with a first slider on the side away from the gear, and the first slider is movably connected to the first sliding groove.

[0011] As a preferred technical solution of the utility model, a first connecting plate is fixedly connected to the top surfaces of the two mounting plates, and a first mounting hole is formed on the first connecting plate.

[0012] As a preferred technical solution of the utility model, two second connecting plates are symmetrically fixedly connected to the left side walls of the two mounting plates, and second mounting holes are provided on the second connecting plates.

[0013] As a preferred technical solution of the utility model, movable grooves are symmetrically opened on the side walls on the facing sides of the two mounting plates, second sliding grooves are opened on the upper and lower side walls of the movable grooves, and second sliding blocks are fixedly connected to the upper and lower side walls of the horizontal plate, and the second sliding blocks are movably connected to the second sliding grooves.

[0014] As a preferred technical solution of the utility model, through slots are provided on the two movable plates, and the through slots are matched with the positions of the first racks.

[0015] As a preferred technical solution of the utility model, each of the mounting plates is symmetrically fixedly connected to two side plates up and down.

[0016] The utility model provides a milling machine belt frame, which has the following beneficial effects:

[0017] 1. The utility model is provided with a hydraulic cylinder, a movable plate, a transverse plate and a mounting plate. When the milling machine is not in use, the hydraulic cylinder pulls the movable plate to move toward one side of the mounting plate, so that the transverse plate is received in the mounting plate. At this time, the size of the device is changed by the movement of the movable plate, which facilitates the transportation operation of the device.

[0018] 2. The utility model is provided with a movable mechanism, and the movable plate is driven to move by a hydraulic cylinder, and the movable plate drives the second rack to mesh with the gear to rotate, and the gear meshes with the first rack to move, and the first rack drives the vertical plate to move, and the vertical plate drives the circular shaft and the second guide roller thereon to move, and the belt is pushed by the second guide roller, so that the belt can be contracted and folded, which is convenient for the contraction operation of the belt frame structure and easy to use;

[0019] To sum up, when the device of the utility model is used, the first connecting plate is connected with the connecting device, and the second connecting plate is connected with the adjusting device to complete the installation connection between the belt rack and the milling machine. When the milling machine is not in use, the hydraulic cylinder is first started by an external device. The hydraulic cylinder pulls the movable plate to move, and the movable plate drives the cross plate to move toward the side of the mounting plate. The first guide roller on the movable plate moves toward the side of the mounting plate to release the tensioning operation of the belt. While the movable plate moves, the movable plate drives the second rack to move, the second rack meshes with the gear to rotate, and the gear meshes with the first rack on the other side to move. The first rack drives the vertical plate to move, the vertical plate drives the circular shaft to move, and the circular shaft drives the second guide roller thereon to move. The second guide roller is used to push the belt to achieve folding and tensioning of the belt, which can effectively reduce the volume of the belt rack, thereby facilitating the transportation and use of the device and improving safety. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0021] Figure 1 This is a schematic diagram of the overall structure of the milling machine of the utility model;

[0022] Figure 2 It is a three-dimensional structural schematic diagram of the belt rack of the utility model at one angle;

[0023] Figure 3 It is a three-dimensional structural schematic diagram of the belt rack of the utility model from another angle;

[0024] Figure 4 It is a three-dimensional structural schematic diagram of the overall internal cross section of the belt rack of the utility model;

[0025] Figure 5 It is a schematic diagram of the three-dimensional structure of the inner side of the mounting plate of the utility model;

[0026] Figure 6 It is a schematic diagram of the three-dimensional structure of the outer side surface of the mounting plate of the utility model;

[0027] Figure 7 It is a three-dimensional structural schematic diagram of the inner cross section of the installation plate of the utility model.

[0028] In the figure: 1. main frame; 2. milling machine; 3. engine; 4. cab; 5. driving device; 6. connecting device; 7. adjusting device; 8. belt rack; 9. mounting plate; 10. movable mechanism; 11. horizontal plate; 12. movable plate; 13. movable shaft; 14. first guide roller; 15. belt; 16. side plate; 17. hydraulic cylinder; 18. side groove; 19. fixed shaft; 20. gear; 21. first rack; 22. vertical plate; 23. circular shaft; 24. second guide roller; 25. second rack; 26. brush; 27. first slide groove; 28. first slider; 29. ​​first connecting plate; 30. first mounting hole; 31. second connecting plate; 32. second mounting hole; 33. movable groove; 34. second slide groove; 35. second slider; 36. through groove. DETAILED DESCRIPTION

[0029] The preferred embodiments of the present invention are described below in conjunction with the accompanying drawings. It should be understood that the preferred embodiments described herein are only used to illustrate and explain the present invention, and are not used to limit the present invention.

[0030] Example: Figure 1-7 As shown, a milling machine belt frame comprises a main frame 1, a milling main machine 2 is arranged on the bottom surface of the main frame 1, an engine 3 is fixedly connected to the right side of the top surface of the main frame 1, a cab 4 is fixedly connected to the main frame 1 on the left side of the engine 3, a driving device 5 is fixedly connected to the bottom surface of the main frame 1, a connecting device 6 is arranged on the left side of the cab 4, a belt frame 8 is arranged on the connecting device 6, an adjusting device 7 is arranged on the top surface of the belt frame 8, and the other end of the adjusting device 7 is connected to the connecting device 6, so that the milling function can be realized;

[0031] The belt rack 8 includes a mounting plate 9, two mounting plates 9 are symmetrically arranged front and back, a movable mechanism 10 is arranged between the two mounting plates 9, and the movable mechanism 10 includes a side groove 18, and a side groove 18 is opened in the center of the side wall of the two mounting plates 9 facing each other. A fixed shaft 19 is fixedly connected near the right side in the side groove 18, and a gear 20 is movably connected to the fixed shaft 19. A first rack 21 is meshed on the upper side of the gear 20, and a vertical plate 22 is fixedly connected to the left side of the first rack 21. The same circular shaft 23 is movably connected between the two vertical plates 22, and a second guide roller 24 is fixedly connected to the side wall of the circular shaft 23. A second rack 25 is meshed on the lower side of the gear 20, and a movable plate 12 is fixedly connected to the right side of the second rack 25, so that the folding and tensioning operation of the belt 15 can be realized, thereby reducing the volume of the device and facilitating transportation;

[0032] A brush 26 is fixedly connected to the side wall of the second guide roller 24 to clean the belt 15.

[0033] The inner wall of the side groove 18 is symmetrically provided with two first slide grooves 27, and the first rack 21 and the second rack 25 are fixedly connected with a first slider 28 on the side away from the gear 20. The first slider 28 is movably connected to the first slide groove 27 to facilitate the stable movement of the first rack 21.

[0034] The two movable plates 12 are both provided with through slots 36, and the through slots 36 and the first rack 21 are arranged to match each other to facilitate the movement of the first rack 21;

[0035] The belt rack 8 and the milling machine are installed and connected by connecting the first connecting plate 29 with the connecting device 6 and connecting the second connecting plate 31 with the adjusting device 7. When the milling machine 2 is not in use, the hydraulic cylinder 17 is first started by an external device. The hydraulic cylinder 17 pulls the movable plate 12 to move. The movable plate 12 drives the cross plate 11 to move toward the side of the mounting plate 9. The first guide roller 14 on the movable plate 12 moves toward the side of the mounting plate 9 to release the tensioning operation of the belt 15. When the movable plate 12 moves, the movable plate 12 drives the second rack 25 to move. The second rack 25 engages the gear 20 to rotate. The gear 20 engages the first rack 21 on the other side to move. The first rack 21 drives the vertical plate 22 to move. The vertical plate 22 drives the circular shaft 23 to move. The circular shaft 23 drives the second guide roller 24 thereon to move. The belt 15 is pushed by the second guide roller 24 to achieve folding and tensioning of the belt 15, which can effectively reduce the volume of the belt rack 8.

[0036] Embodiment 2: A milling machine belt frame, two mounting plates 9 facing each other on one side are symmetrically connected to two transverse plates 11, the same mounting plate 9 has two transverse plates 11 on the right side fixedly connected to the same movable plate 12, two mounting plates 9 are symmetrically connected to two movable shafts 13 near the left side, two movable shafts 13 are symmetrically connected to the two movable plates 12, the movable shafts 13 are fixedly connected to the first guide rollers 14, the four first guide rollers 14 are sleeved with the same belt 15, the side walls of the two mounting plates 9 away from each other are fixedly connected to the side plates 16, each mounting plate 9 is symmetrically fixedly connected to two side plates 16, the side plates 16 are fixedly connected to the hydraulic cylinders 17, one end of the hydraulic cylinders 17 is fixedly connected to the movable plate 12, the adjustment operation of the device can be conveniently realized, and it is easy to use;

[0037] Among them, the top surfaces of the two mounting plates 9 are fixedly connected with a first connecting plate 29, and the first connecting plate 29 is provided with a first mounting hole 30. The left side walls of the two mounting plates 9 are symmetrically fixedly connected with two second connecting plates 31, and the second connecting plates 31 are provided with a second mounting hole 32, so as to facilitate the fixed installation operation of the device;

[0038] Among them, movable grooves 33 are symmetrically opened on the side walls of the two mounting plates 9 facing each other, second sliding grooves 34 are opened on the upper and lower side walls of the movable grooves 33, and second sliders 35 are fixedly connected to the upper and lower side walls of the cross plate 11. The second slider 35 is movably connected to the second sliding groove 34, so that the cross plate 11 can move stably.

[0039] Working principle: When the device of the utility model is used, it is connected with the connecting device 6 through the first connecting plate 29, and connected with the adjusting device 7 through the second connecting plate 31, so as to complete the installation connection between the belt frame 8 and the milling machine. When the milling machine 2 is not in use, the hydraulic cylinder 17 is first started by an external device, and the hydraulic cylinder 17 pulls the movable plate 12 to move, and the movable plate 12 drives the cross plate 11 to move toward the side of the mounting plate 9, and the first guide roller 14 on the movable plate 12 moves toward the side of the mounting plate 9, releasing the tensioning operation of the belt 15. In operation, when the movable plate 12 moves, the movable plate 12 drives the second rack 25 to move, the second rack 25 engages the gear 20 to rotate, the gear 20 engages the first rack 21 on the other side to move, the first rack 21 drives the vertical plate 22 to move, the vertical plate 22 drives the circular shaft 23 to move, the circular shaft 23 drives the second guide roller 24 thereon to move, the second guide roller 24 is used to push the belt 15, so as to realize the folding and tensioning of the belt 15, which can effectively reduce the volume of the belt frame 8, thereby facilitating the transportation and use of the device and improving safety.

[0040] Finally, it should be noted that in the description of the present invention, it should be noted that the terms "vertical", "up", "down", "horizontal", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings. They are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, they cannot be understood as limitations on the present invention.

[0041] In the description of the present invention, it is also necessary to explain that, unless otherwise clearly specified and limited, the terms "set", "install", "connect", and "connect" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0042] The above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A milling machine belt frame, comprising a main frame (1), characterized in that: A milling machine main unit (2) is arranged on the bottom surface of the main frame (1), an engine (3) is fixedly connected to the right side of the top surface of the main frame (1), a cab (4) is fixedly connected to the main frame (1) on the left side of the engine (3), a driving device (5) is fixedly connected to the bottom surface of the main frame (1), a connecting device (6) is arranged on the left side of the cab (4), a belt rack (8) is arranged on the connecting device (6), an adjusting device (7) is arranged on the top surface of the belt rack (8), and the other end of the adjusting device (7) is connected to the connecting device (6); The belt rack (8) comprises a mounting plate (9), wherein two mounting plates (9) are symmetrically arranged front and back, a movable mechanism (10) is arranged between the two mounting plates (9), two transverse plates (11) are symmetrically connected to each other on one side of the two mounting plates (9), a movable plate (12) is fixedly connected to the right side of the two transverse plates (11) on the same mounting plate (9), two movable shafts (13) are symmetrically connected to each other near the left side between the two mounting plates (9), two movable shafts (13) are symmetrically connected to each other on the two movable plates (12), the movable shafts (13) are fixedly connected to the first guide rollers (14), the four first guide rollers (14) are sleeved with the same belt (15), the side walls of the two mounting plates (9) away from each other are fixedly connected to the side plates (16), the side plates (16) are fixedly connected to the hydraulic cylinders (17), one end of the hydraulic cylinders (17) is fixedly connected to the movable plate (12).

2. A milling machine belt frame according to claim 1, characterized in that: The movable mechanism (10) comprises a side groove (18), the side groove (18) is provided at the center of the side wall of the two mounting plates (9) facing each other, a fixed shaft (19) is fixedly connected in the side groove (18) near the right side, a gear (20) is movably connected to the fixed shaft (19), a first rack (21) is meshed on the upper side of the gear (20), a vertical plate (22) is fixedly connected on the left side of the first rack (21), a same circular shaft (23) is movably connected between the two vertical plates (22), a second guide roller (24) is fixedly connected on the side wall of the circular shaft (23), a second rack (25) is meshed on the lower side of the gear (20), and the movable plate (12) is fixedly connected on the right side of the second rack (25).

3. A milling machine belt frame according to claim 2, characterized in that: A brush (26) is fixedly connected to the side wall of the second guide roller (24).

4. A milling machine belt frame according to claim 2, characterized in that: Two first slide grooves (27) are symmetrically formed on the inner side wall of the side groove (18), and the first rack (21) and the second rack (25) are fixedly connected to a first slide block (28) on the side away from the gear (20), and the first slide block (28) is movably connected to the first slide groove (27).

5. The milling machine belt frame according to claim 1, characterized in that: A first connecting plate (29) is fixedly connected to the top surfaces of the two mounting plates (9), and a first mounting hole (30) is provided on the first connecting plate (29).

6. A milling machine belt frame according to claim 1, characterized in that: Two second connecting plates (31) are symmetrically fixedly connected to the left side walls of the two mounting plates (9), and the second connecting plates (31) are each provided with a second mounting hole (32).

7. The milling machine belt frame according to claim 1, characterized in that: The side walls of the two mounting plates (9) facing each other are symmetrically provided with movable grooves (33), the upper and lower side walls of the movable grooves (33) are provided with second sliding grooves (34), the upper and lower side walls of the transverse plate (11) are fixedly connected with second sliding blocks (35), and the second sliding blocks (35) are movably connected to the second sliding grooves (34).

8. The milling machine belt frame according to claim 2, characterized in that: A through slot (36) is provided on each of the two movable plates (12), and the through slot (36) and the first rack (21) are arranged in a matching position.

9. The milling machine belt frame according to claim 1, characterized in that: Each of the mounting plates (9) is symmetrically fixedly connected to two side plates (16) in an upper and lower manner.

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