Wear-resistant milling machine rack

Abstract

The utility model discloses a wear-resistant milling machine frame, which relates to the technical field of milling machine accessories, and comprises a support frame, one end of the support frame is provided with two fixed wheels, the other end of the support frame is fixedly provided with an extension frame, the extension frame is of an inclined structure, and the outer side of the extension frame is movably provided with a movable arm through a pin shaft. The supporting frame is arranged, the fixed wheel and the movable wheel are arranged at the two ends of the supporting frame respectively, and the milling machine body is arranged in the middle of the supporting frame, so that the distance between the supporting frame and the ground can be adjusted by adjusting the height of the movable wheel in the using process of the device; and therefore, the supporting frame cannot be rubbed with the ground in the process that the milling machine body treats the ground, and the supporting frame is prevented from being abraded while normal work of the device is ensured.

Description

Technical Field

[0001] The utility model relates to the technical field of milling machine accessories, in particular to a wear-resistant milling machine frame. 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] For example, a milling machine frame with publication number CN208762849U includes a frame body, a load-bearing box is provided on the front surface of the frame body, a clamping plate is provided on the top of the load-bearing box, a dust collector is provided on the right side of the load-bearing box, a material blocking tail plate is provided at the bottom of the frame body, a side door upright plate is provided at the middle position of the top of the frame body, and the side door upright plate is fixedly connected to the frame body by welding, and a mounting plate is provided on the top of the side door upright plate. The setting of the load-bearing box can carry larger stones or other heavy objects, so as to increase the overall weight of the frame body, thereby slowing down the vibration of the milling machine and improving the construction efficiency. The setting of the vacuum cleaner can absorb the dust generated by the milling machine during operation, thereby reducing the adverse effects on roadside vehicles and pedestrians, improving the cleanliness of the construction environment, and avoiding workers being covered with dust after work.

[0004] The above technical solution has some problems in practical application. When the milling machine is in use, the bottom end of the milling machine needs to contact the road surface. During this process, the frame of the milling machine will also contact the road surface, causing wear of the milling machine frame and affecting its service life.

[0005] Therefore, it is necessary to invent a wear-resistant milling machine frame to solve the above problems. Utility Model Content

[0006] The utility model aims to provide a wear-resistant milling machine frame to solve the problems raised in the above background technology.

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a wear-resistant milling machine frame, comprising a support frame, one end of the support frame is provided with two fixed wheels, the other end of the support frame is fixedly provided with an extension frame, and the extension frame is arranged to be an inclined structure, a movable arm is movably provided on the outer side of the extension frame through a pin shaft, a movable shaft is penetrated through the inner bottom end of the movable arm through a bearing, movable wheels are provided at both ends of the movable shaft, movable arms are movably provided at both ends of the movable shaft through a pin shaft, a positioning shaft is movably provided at the inner top end of the movable arm through a bearing, a movable seat is fixedly provided in the middle of the positioning shaft, a threaded groove is penetrated through the middle of the movable seat, an adjusting screw is penetrated through the inside of the threaded groove, a fixed shaft is movably provided at the bottom end of the adjusting screw through a bearing, and the fixed shaft is movably provided in the inside of the support frame through a pin shaft.

[0008] Preferably, a baffle is provided at one end of the lower surface of the support frame, and the baffle is configured as an arc-shaped structure.

[0009] Preferably, two connecting ears are fixedly provided on one end of the upper surface of the baffle, and the two connecting ears are movably provided on the inner walls on both sides of the support frame through pins.

[0010] Preferably, the other end of the upper surface of the baffle is movably provided with two connecting seats through a pin shaft, one end of the connecting seat is provided with a connecting ring, and the connecting ring is sleeved on the outer side of the fixed shaft, and a buffer spring is provided between the connecting ring and the connecting seat.

[0011] Preferably, a milling machine body is fixedly arranged inside the support frame, and the bottom end of the milling machine body extends to the bottom of the support frame.

[0012] Preferably, handles are fixedly provided on both sides of the support frame, and the handles are arranged in an inclined structure.

[0013] Technical effects and advantages of the utility model:

[0014] 1. The utility model provides a support frame, and fixed wheels and movable wheels are respectively provided at both ends of the support frame, and a milling machine body is provided in the middle of the support frame. During the use of the device, the height of the movable wheel can be adjusted so that the distance between the support frame and the ground can be adjusted, so that the support frame will not rub against the ground when the milling machine body processes the ground, thereby ensuring the normal operation of the device and avoiding the wear of the support frame;

[0015] 2. The utility model provides a support frame, and a baffle is provided under the support frame. The baffle can block the waste chips generated by the milling machine, thereby avoiding friction between the waste chips and the support frame. A buffer spring is provided above the baffle, and the buffer spring is provided so that the impact of the waste chips on the baffle can be offset, thereby ensuring the stability of the device during long-term use. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the overall structure of the utility model.

[0017] Figure 2 It is a schematic cross-sectional view of the overall structure of the utility model.

[0018] Figure 3 This is a schematic diagram of the baffle structure of the utility model.

[0019] In the figure: 1. support frame; 2. fixed wheel; 3. extension frame; 4. movable arm; 5. movable shaft; 6. movable wheel; 7. positioning arm; 8. positioning shaft; 9. movable seat; 10. threaded groove; 11. adjusting screw; 12. fixed shaft; 13. baffle; 14. connecting ear; 15. connecting seat; 16. connecting ring; 17. buffer spring; 18. milling machine body; 19. handle. DETAILED DESCRIPTION

[0020] 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.

[0021] The utility model provides Figure 1-3 A wear-resistant milling machine frame shown in the figure comprises a support frame 1, one end of the support frame 1 is provided with two fixed wheels 2, the other end of the support frame 1 is fixedly provided with an extension frame 3, and the extension frame 3 is arranged in an inclined structure, a movable arm 4 is movably arranged on the outer side of the extension frame 3 through a pin shaft, a movable shaft 5 is penetrated through the inner bottom end of the movable arm 4 through a bearing, and movable wheels 6 are arranged at both ends of the movable shaft 5;

[0022] Specifically, both ends of the movable shaft 5 are movably provided with movable arms 7 through pins, the inner top end of the movable arm 7 is movably provided with a positioning shaft 8 through a bearing, a movable seat 9 is fixedly provided in the middle of the positioning shaft 8, a thread groove 10 is penetrated in the middle of the movable seat 9, an adjusting screw 11 is penetrated in the thread groove 10, a fixed shaft 12 is movably provided at the bottom end of the adjusting screw 11 through a bearing, and the fixed shaft 12 is movably provided in the support frame 1 through a pin, the adjusting screw 12, the positioning arm 7 and the extension frame 3 form a triangular structure, when the positions of the adjusting screw 12 and the positioning shaft 8 are adjusted, the length of one side of the triangular structure changes, at this time the movable shaft 5 moves with the positioning arm 7, and the movable shaft 5 drives the movable wheel 6 to move, so that the height of the movable wheel 6 relative to the support frame 1 is adjusted;

[0023] More specifically, a baffle 13 is provided at one end of the lower surface of the support frame 1, and the baffle 13 is set to an arc structure, and two connecting ears 14 are fixedly provided at one end of the upper surface of the baffle 13, and the two connecting ears 14 are respectively movably provided on the inner walls of both sides of the support frame 1 through pins, and two connecting seats 15 are movably provided at the other end of the upper surface of the baffle 13 through pins, and a connecting ring 16 is provided at one end of the connecting seat 15, and the connecting ring 16 is sleeved and provided on the outer side of the fixed shaft 12, and a buffer spring 17 is provided between the connecting ring 16 and the connecting seat 15. The setting of the buffer spring 17 can offset the impact of waste chips on the baffle 13, thereby ensuring the stability of the device during long-term use;

[0024] In addition, a milling machine body 18 is fixedly installed inside the support frame 1, and the bottom end of the milling machine body 18 extends to the bottom of the support frame 1. Handles 19 are fixedly installed on both sides of the support frame 1, and the handles 19 are set as an inclined structure. The handles 19 can play a role in assisting the movement of the device.

[0025] Working principle of this utility model:

[0026] When the device is in use, the fixed wheel 2 cooperates with the movable wheel 6 to support the device, and the handle 19 can assist the movement of the device. When the road surface is milled, the adjusting screw 11 is rotated, and the adjusting screw 11 cooperates with the thread groove 10, so that the position of the positioning shaft 8 is adjusted. Since the adjusting screw 12, the positioning arm 7 and the extension frame 3 form a triangular structure, when the position of the adjusting screw 12 and the positioning shaft 8 is adjusted, the length of one side of the triangular structure changes. At this time, the movable shaft 5 moves with the positioning arm 7, and the movable shaft 5 drives the movable wheel 6 to move, so that the height of the movable wheel 6 relative to the support frame 1 is adjusted, so that the height of one end of the support frame 1 is adjusted, and the support frame 1 can drive the milling machine body 18 to move, so that the height of the milling machine body 18 is adjusted, and the ground can be processed by the milling machine body 18 at this time;

[0027] When the device is in use, the waste chips generated by the milling machine body 18 during ground operation are splashed backwards, and the waste chips are splashed on the lower surface of the baffle 13 and blocked by the baffle 13. The setting of the baffle 13 can prevent the waste chips from affecting the support frame 1.

[0028] Finally, it should be noted that the above is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the aforementioned embodiments, it is still possible for those skilled in the art to modify the technical solutions described in the aforementioned embodiments, or to make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present utility model shall be included in the protection scope of the present utility model.

Claims

1. A wear-resistant milling machine frame, comprising a support frame (1), characterized in that: One end of the support frame (1) is provided with two fixed wheels (2), and the other end of the support frame (1) is fixedly provided with an extension frame (3), and the extension frame (3) is arranged as an inclined structure. A movable arm (4) is movably provided on the outer side of the extension frame (3) through a pin shaft, and a movable shaft (5) is provided through the inner bottom end of the movable arm (4) through a bearing, and movable wheels (6) are provided at both ends of the movable shaft (5). Both ends of the movable shaft (5) are movably provided with positioning arms (7) through a pin shaft, and a positioning shaft (8) is movably provided at the inner top end of the positioning arm (7) through a bearing, and a movable seat (9) is fixedly provided in the middle of the positioning shaft (8), and a thread groove (10) is provided through the middle of the movable seat (9), and an adjusting screw (11) is provided through the inside of the thread groove (10), and a fixed shaft (12) is movably provided at the bottom end of the adjusting screw (11) through a bearing, and the fixed shaft (12) is movably provided in the inside of the support frame (1) through a pin shaft.

2. The wear-resistant milling machine frame according to claim 1, characterized in that: A baffle (13) is provided at one end of the lower surface of the support frame (1), and the baffle (13) is configured as an arc-shaped structure.

3. A wear-resistant milling machine frame according to claim 2, characterized in that: Two connecting ears (14) are fixedly provided at one end of the upper surface of the baffle (13), and the two connecting ears (14) are movably provided on the inner walls on both sides of the support frame (1) through pins.

4. The wear-resistant milling machine frame according to claim 3, characterized in that: The other end of the upper surface of the baffle (13) is provided with two connecting seats (15) movably connected via a pin shaft, one end of the connecting seat (15) is provided with a connecting ring (16), and the connecting ring (16) is sleeved and arranged on the outer side of the fixed shaft (12), and a buffer spring (17) is arranged between the connecting ring (16) and the connecting seat (15).

5. The wear-resistant milling machine frame according to claim 4, characterized in that: A milling machine body (18) is fixedly arranged inside the support frame (1), and the bottom end of the milling machine body (18) extends to the bottom of the support frame (1).

6. The wear-resistant milling machine frame according to claim 5, characterized in that: Handles (19) are fixedly provided on both sides of the support frame (1), and the handles (19) are arranged as an inclined structure.

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