Safety auxiliary device for uniformly paving asphalt

Abstract

The utility model relates to the technical field of asphalt paving auxiliary devices, in particular to a safety auxiliary device for uniformly paving asphalt, which comprises two frame cross beams, hydraulic cylinders are fixedly mounted on the frame cross beams, a constant-temperature asphalt storage box is arranged on telescopic shafts of the two hydraulic cylinders, and a conical hopper is mounted at the bottom of the constant-temperature asphalt storage box. A discharging hopper is installed at the bottom end of the conical hopper, a long shaft is arranged in the discharging hopper, rotating shafts are fixedly installed at the two ends of the long shaft, one rotating shaft is rotationally connected with the discharging hopper, a left blocking plate and a right blocking plate are fixedly installed on the long shaft, rubber sealing sleeves are installed on side edge plate bodies of the blocking plates, and a rectangular hole is formed in the other rotating shaft. A servo motor is fixedly installed at the end of the discharging hopper, a rectangular rod is fixedly installed at the tail end of an output shaft of the servo motor, and the rectangular rod is matched with the rectangular hole in an inserted mode. According to the auxiliary laying device, mechanical uniform laying operation is facilitated, safety is guaranteed, and the effect of safe auxiliary laying is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of asphalt paving auxiliary devices, in particular to a safety auxiliary device for uniform asphalt paving. Background Art

[0002] In road construction, the laying of asphalt pavement is a crucial link. Its quality directly affects the service life of the road, driving safety and comfort. When laying asphalt pavement, the traditional laying method is to manually pour the asphalt or use corresponding tools to spread it on the road surface. After the asphalt is roughly spread, it is compacted with a roller to complete the pavement paving operation.

[0003] However, due to variations in road width, topography, and the inherent properties of asphalt, traditional manual paving methods often struggle to ensure uniform asphalt thickness and smoothness. This not only affects the aesthetics of the road but, more importantly, can lead to cracks, potholes, and other road defects over time, seriously impacting driving safety and service life. Furthermore, during the asphalt paving process, manual operation can easily cause asphalt contact with skin, causing damage and hindering safe paving. In light of this, we propose a safety aid for uniform asphalt paving. Utility Model Content

[0004] The purpose of the utility model is to provide a safety auxiliary device for uniform asphalt paving to solve the defects mentioned in the above background technology.

[0005] To achieve the above objectives, the present invention provides the following technical solutions:

[0006] A safety auxiliary device for uniform asphalt paving, comprising two left and right frame beams that are symmetrical to each other and fixedly mounted on an external vehicle frame, a hydraulic cylinder fixedly mounted on the frame beam, an asphalt constant temperature storage box is provided on the telescopic shafts of the two hydraulic cylinders, a conical bucket is fixedly mounted on the bottom of the asphalt constant temperature storage box, a discharge hopper is fixedly mounted on the bottom end of the conical bucket, a long shaft is provided in the discharge hopper, both ends of the long shaft are fixedly mounted with a rotating shaft, one of the rotating shafts is rotatably connected to the discharge hopper, two left and right symmetrical sealing plates are fixedly mounted on the long shaft, a rubber sealing sleeve is fixedly mounted on the side plate of the sealing plate, a rectangular hole connected to the outside world is provided in the other rotating shaft, a servo motor is fixedly mounted on the end of the discharge hopper, a rectangular rod is fixedly mounted on the end of the output shaft of the servo motor, and the rectangular rod is plugged into and fitted with the rectangular hole.

[0007] Preferably, the sum of the lengths of the long axis and the rotating shaft is smaller than the length of the discharge hopper, and the rubber sealing sleeve and the discharge hopper are interference fit.

[0008] Preferably, the cross-sections of the rectangular rod and the rectangular hole are both rectangular, and the size of the rectangular rod is adapted to the size of the rectangular hole.

[0009] Preferably, two mutually symmetrical rectangular plates are fixedly mounted on the side surfaces of the asphalt constant temperature storage box, a steel plate is fixedly mounted on the end of the telescopic shaft of the hydraulic cylinder, and the rectangular plate is fixedly mounted on the bottom surface of the steel plate.

[0010] Preferably, two symmetrical rectangular guide frames are provided on one side of the frame crossbeam, and the frame crossbeam is fixedly mounted on the rectangular guide frame located above. A plurality of support columns arranged in a matrix are fixedly mounted between the two rectangular guide frames, and the asphalt constant temperature storage box is located in the rectangular guide frame and is slidably connected to the rectangular guide frame.

[0011] Preferably, limiting protrusions are fixedly installed on the front and rear side plates of the top of the asphalt constant temperature storage box, and the limiting protrusions are located above the side plates of the rectangular guide frame.

[0012] Preferably, the size of the asphalt constant temperature storage box is adapted to the size of the rectangular guide frame, and the rectangular plate is located below the rectangular guide frame.

[0013] Preferably, the plane where the inner wall of the conical bucket is located is inclined downward by 45 degrees to 60 degrees, and the outer diameter of the long axis is larger than the outer diameter of the rotating shaft.

[0014] Compared with the prior art, the beneficial effects of the present invention are:

[0015] 1. The utility model fixes the frame crossbeam on the external frame through the provided frame crossbeam, so that as the external vehicle moves, the device can be driven to move for paving operations, without the need for manual use of corresponding tools for operation. In addition, the provided hydraulic cylinder can adjust the distance between the discharge hopper and the ground. As the asphalt flows out of the discharge hopper, the distance between the discharge hopper and the ground is adjusted to a constant value, which can ensure that the top surface of the asphalt in various parts is on the same relative plane, achieving the effect of uniform paving and avoiding harm to personnel caused by manual operation, which is conducive to safe auxiliary use.

[0016] 2. The utility model is provided with a servo motor, a long shaft and a blocking plate, so that when in use, the servo motor can be used to drive the long shaft and the blocking plate to rotate, thereby realizing the blocking and opening operations of the discharge hopper part, which is convenient to use. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0018] Figure 2 This is a schematic diagram of the explosion structure of the utility model;

[0019] Figure 3 It is a partial structural diagram of the utility model;

[0020] Figure 4 For this utility model Figure 3 Enlarged view of point A in the middle;

[0021] The meaning of each number in the figure is:

[0022] 1. Frame crossbeam; 10. Rectangular guide frame; 11. Support column; 12. Hydraulic cylinder; 121. Steel plate;

[0023] 2. Asphalt constant temperature storage box; 20. Conical bucket; 21. Discharge hopper; 22. Rectangular plate; 23. Limiting bump; 24. Servo motor; 241. Rectangular rod; 25. Long shaft; 26. Sealing plate; 261. Rubber sealing sleeve; 27. Rotating shaft; 271. Rectangular hole. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0025] See also Figure 1-Figure 4 The utility model provides a technical solution: an asphalt uniform paving safety auxiliary device, comprising two symmetrical frame beams 1 on the left and right and fixedly mounted on the external frame, a hydraulic cylinder 12 fixedly mounted on the frame beam 1, an asphalt constant temperature storage box 2 is provided on the telescopic shaft of the two hydraulic cylinders 12, a conical bucket 20 is fixedly mounted on the bottom of the asphalt constant temperature storage box 2, a discharge hopper 21 is fixedly mounted on the bottom end of the conical bucket 20, a long axis 25 is provided in the discharge hopper 21, both ends of the long axis 25 are fixedly mounted with rotating shafts 27, one of the rotating shafts 27 is rotatably connected to the discharge hopper 21, two symmetrical blocking plates 26 on the left and right are fixedly mounted on the long axis 25, a rubber sealing sleeve 261 is fixedly mounted on the side plate body of the blocking plate 26, the rubber sealing sleeve 261 is interference fit with the discharge hopper 21, so as to realize blocking operation and facilitate blocking and unloading operations;

[0026] Specifically, a rectangular hole 271 connected to the outside world is provided in another rotating shaft 27, and a servo motor 24 is fixedly installed at the end of the discharge hopper 21. A rectangular rod 241 is fixedly installed at the end of the output shaft of the servo motor 24, and the rectangular rod 241 is plugged into the rectangular hole 271. The cross-sections of the rectangular rod 241 and the rectangular hole 271 are both rectangular, and the size of the rectangular rod 241 matches the size of the rectangular hole 271. Corresponding axial holes are provided on the inner wall of the discharge hopper 21, and the rotating shaft 27 is in the corresponding axial holes and rotatably connected with the axial holes. The rectangular rod 241 rests on the hole wall of the rectangular hole 271 and rests the rotating shaft 27 in the corresponding axial hole in the discharge hopper 21, so as to facilitate assembly operations. At the same time, the servo motor 24 can also be used to drive the sealing plate 26 to rotate, thereby realizing sealing and opening the discharge operation.

[0027] In this embodiment, the sum of the lengths of the long shaft 25 and the rotating shaft 27 is less than the length of the discharge hopper 21, so that after the servo motor 24 is disassembled and the rectangular rod 241 is pulled out, the long shaft 25 and the rotating shaft 27 can be disassembled from the discharge hopper 21 for cleaning or replacement, which is convenient for use.

[0028] Specifically, two symmetrical rectangular plates 22 are fixedly installed on the side of the asphalt constant temperature storage box 2, and a steel plate 121 is fixedly installed at the end of the telescopic shaft of the hydraulic cylinder 12. The rectangular plate 22 is fixedly installed on the bottom surface of the steel plate 121 to facilitate fixed installation operations.

[0029] Furthermore, two symmetrical rectangular guide frames 10 are provided on one side of the frame crossbeam 1. The frame crossbeam 1 is fixedly mounted on the upper rectangular guide frame 10. A plurality of support columns 11 arranged in a matrix are fixedly mounted between the two rectangular guide frames 10. The asphalt constant temperature storage box 2 is located in the rectangular guide frame 10 and is slidably connected to the rectangular guide frame 10, thereby guiding the asphalt constant temperature storage box 2.

[0030] In addition, limiting protrusions 23 are fixedly installed on the front and rear side plates of the top of the asphalt constant temperature storage box 2. The limiting protrusions 23 are located above the side plates of the rectangular guide frame 10. The limiting protrusions 23 are used to press against the rectangular guide frame 10 located above to limit the downward movement distance of the asphalt constant temperature storage box 2.

[0031] It is worth noting that the size of the asphalt constant temperature storage box 2 is compatible with the size of the rectangular guide frame 10, and the rectangular plate 22 is located below the rectangular guide frame 10, so that the rectangular guide frame 10 will not block the normal downward movement of the rectangular plate 22 and the asphalt constant temperature storage box 2.

[0032] It is worth noting that the plane of the inner wall of the conical bucket 20 is tilted downward by 45 to 60 degrees, and the outer diameter of the long axis 25 is larger than the outer diameter of the rotating shaft 27, which makes the unloading of the conical bucket 20 smoother. At the same time, it also ensures that the rotating shaft 27 is inserted into the shaft hole in the unloading hopper 21 more smoothly.

[0033] When the asphalt uniform paving safety auxiliary device of the present invention is in use, after the frame crossbeam 1 is fixedly installed on an external vehicle, the asphalt raw materials are poured into the asphalt constant temperature storage box 2. At this time, according to the thickness of the paving, the hydraulic cylinder 12 is started and made to work. When the hydraulic cylinder 12 works, the telescopic shaft on it extends or shortens to drive the asphalt constant temperature storage box 2, the conical bucket 20 and the discharge hopper 21 to move, so as to adjust the distance between the discharge hopper 21 and the ground. After the distance adjustment is completed, the servo motor 24 is connected to the external power supply and made to work. The servo motor 24 works, and the output shaft thereon rotates to drive the rectangular rod 241, the rotating shaft 27 and the long shaft 25 to rotate, and further drives the sealing plate 26 to rotate. The sealing plate 26 rotates to a vertical shape. At this time, the asphalt in the asphalt constant temperature storage box 2 can be discharged along the discharge hopper 21. Since the distance between the bottom of the discharge hopper 21 and the ground is constant at this time, as the vehicle moves, the asphalt discharged from the discharge hopper 21 can be evenly laid on the ground to ensure the high consistency of the ground. Finally, cooperate with the external roller to perform compaction operations.

[0034] The above shows and describes the basic principles, main features, and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The above embodiments and descriptions are merely preferred examples of the present invention and are not intended to limit the present invention. Various changes and improvements may be made to the present invention without departing from the spirit and scope of the present invention, and such changes and improvements fall within the scope of the present invention. The scope of protection claimed in the present invention is defined by the appended claims and their equivalents.

Claims

1. A safety auxiliary device for uniform asphalt paving, comprising two left and right frame crossbeams (1) symmetrically mounted on an external frame, characterized in that: A hydraulic cylinder (12) is fixedly mounted on the frame crossbeam (1), and an asphalt constant temperature storage box (2) is provided on the telescopic shafts of the two hydraulic cylinders (12). A conical bucket (20) is fixedly mounted on the bottom of the asphalt constant temperature storage box (2), and a discharge hopper (21) is fixedly mounted on the bottom end of the conical bucket (20). A long shaft (25) is provided in the discharge hopper (21), and rotating shafts (27) are fixedly mounted on both ends of the long shaft (25), and one of the rotating shafts (27) is rotatably connected to the discharge hopper (21). Two symmetrical blocking plates (26) are fixedly mounted on the long axis (25), a rubber sealing sleeve (261) is fixedly mounted on the side plate of the blocking plate (26), and a rectangular hole (271) communicating with the outside is provided in the other rotating shaft (27). A servo motor (24) is fixedly mounted on the end of the discharge hopper (21), and a rectangular rod (241) is fixedly mounted on the end of the output shaft of the servo motor (24), and the rectangular rod (241) is plug-fitted into the rectangular hole (271).

2. The asphalt uniform paving safety auxiliary device according to claim 1, characterized in that: The sum of the lengths of the long axis (25) and the rotating shaft (27) is smaller than the length of the discharge hopper (21), and the rubber sealing sleeve (261) is interference-fitted with the discharge hopper (21).

3. The asphalt uniform paving safety auxiliary device according to claim 1, characterized in that: The cross sections of the rectangular rod (241) and the rectangular hole (271) are both rectangular, and the size of the rectangular rod (241) is adapted to the size of the rectangular hole (271).

4. The asphalt uniform paving safety auxiliary device according to claim 1, characterized in that: Two mutually symmetrical rectangular plates (22) are fixedly mounted on the side surfaces of the asphalt constant temperature storage box (2), a steel plate (121) is fixedly mounted on the end of the telescopic shaft of the hydraulic cylinder (12), and the rectangular plate (22) is fixedly mounted on the bottom surface of the steel plate (121).

5. The asphalt uniform paving safety auxiliary device according to claim 4, characterized in that: Two mutually symmetrical upper and lower rectangular guide frames (10) are provided on one side of the frame crossbeam (1); the frame crossbeam (1) is fixedly mounted on the upper rectangular guide frame (10); a plurality of support columns (11) arranged in a matrix are fixedly mounted between the two rectangular guide frames (10); the asphalt constant temperature storage box (2) is located within the rectangular guide frame (10) and is slidably connected to the rectangular guide frame (10).

6. The asphalt uniform paving safety auxiliary device according to claim 5, characterized in that: Limiting protrusions (23) are fixedly mounted on both the front and rear side plates of the top of the asphalt constant temperature storage box (2), and the limiting protrusions (23) are located above the side plates of the rectangular guide frame (10).

7. The asphalt uniform paving safety auxiliary device according to claim 6, characterized in that: The size of the asphalt constant temperature storage box (2) is compatible with the size of the rectangular guide frame (10), and the rectangular plate (22) is located below the rectangular guide frame (10).

8. The asphalt uniform paving safety auxiliary device according to claim 1, characterized in that: The plane where the inner wall of the conical bucket (20) is located is inclined downward by 45 to 60 degrees, and the outer diameter of the long axis (25) is larger than the outer diameter of the rotating shaft (27).

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