Asphalt pavement thermal regeneration repairing vehicle for highway maintenance

Abstract

The utility model relates to the technical field of highway maintenance, in particular to an asphalt pavement thermal regeneration repairing vehicle for highway maintenance, which comprises an asphalt pavement heating vehicle, the asphalt pavement heating vehicle comprises a heating plate, a tank body, a heater, a controller and trundles, the tank body, the heater and the controller are all arranged on the outer wall of the top of the heating plate, and the trundles are arranged on the outer wall of the top of the heating plate. The trundles are installed on the left side wall and the right side wall of the heating plate. An asphalt loosening device is arranged at the front end of the asphalt pavement heating vehicle and comprises pricking needles and a first driving mechanism, the pricking needles are vertically arranged, the pricking needles are horizontally arranged side by side, the first driving mechanism is used for driving the pricking needles to repeatedly ascend and descend, and when the pricking needles descend to the first position, the first driving mechanism drives the pricking needles to ascend and descend to the second position. And the lower end of the pricking needle is inserted into the asphalt. The first driving mechanism drives the pricking needle to repeatedly ascend and descend so that the pricking needle can repeatedly pierce into asphalt, and after the same position is repeatedly pierced for several times, the repairing vehicle can be moved to enable the pricking needle to pierce into other positions, so that the asphalt is loose and soft.

Description

Technical Field

[0001] This utility model relates to the field of highway maintenance technology, and more specifically, to a hot recycling repair vehicle for asphalt pavement used in highway maintenance. Background Technology

[0002] Asphalt pavement refers to various types of pavement constructed by mixing road asphalt materials with mineral materials. As the service time increases, asphalt pavement will develop common defects such as potholes, ruts, cracks, and loosening due to various reasons. When repairing common defects of asphalt pavement, asphalt repair heating trucks are usually used.

[0003] Existing asphalt pavement repair heating vehicles typically consist of a heating plate, tank, heater, and controller. In operation, the vehicle is moved to position the heating plate over the damaged pavement to heat it. Workers then use a rake to loosen the asphalt and a shovel to remove the old asphalt. New asphalt is then placed in the pothole, and the heating plate is placed back on the repair area for further heating, ensuring the new material is completely softened. This achieves the heating and maintenance repair function for the asphalt pavement. However, it is evident that existing asphalt pavement repair heating vehicles still require manual removal of the heated old asphalt, which is time-consuming and labor-intensive. Utility Model Content

[0004] To overcome the shortcomings mentioned above, this utility model aims to provide a highway maintenance asphalt pavement hot recycling repair vehicle capable of loosening heated old asphalt.

[0005] A hot recycling and repair vehicle for asphalt pavement used in highway maintenance includes an asphalt pavement heating vehicle. The heating vehicle comprises a heating plate, a tank, a heater, a controller, and casters. The tank, heater, and controller are all mounted on the top outer wall of the heating plate, and the casters are mounted on the left and right side walls of the heating plate. An asphalt loosening device is located at the front end of the heating vehicle. The asphalt loosening device includes a needle and a first driving mechanism. The needle is vertically arranged, and multiple needles are arranged horizontally side-by-side. The first driving mechanism drives the needle to repeatedly rise and fall. When the needle descends to a first position, its lower end inserts into the asphalt.

[0006] Furthermore, the first driving mechanism includes a motor, a rotating shaft, a cam, a push plate, a limiting plate, and a return spring. The motor is mounted on the asphalt pavement heating vehicle. The rotating shaft is horizontal and rotatably disposed at the front end of the asphalt pavement heating vehicle and located above the needle. The rotating shaft is connected to the motor for transmission. A plurality of cams are fixedly sleeved on the rotating shaft and correspond to the needle. The push plate is horizontally fixed to the upper end of the needle. The cams abut against the top surface of the push plate. The limiting plate is fixed to the front end of the asphalt pavement heating vehicle and slidably sleeved outside the needle. The return spring is sleeved outside the needle and its two ends are respectively fixed to the push plate and the limiting plate.

[0007] Furthermore, the motor and the rotating shaft are driven by a belt or a chain.

[0008] Furthermore, the rotating shaft, cam, spring, and limiting plate are integrally provided with a first protective cover. The first protective cover is fixed to the front end of the asphalt road heating vehicle and has an opening at the bottom. The two ends of the rotating shaft are rotatably connected to the first protective cover. The first protective cover is provided with a first through hole for a belt or chain to pass through.

[0009] Furthermore, the outer cover of the motor is provided with a second protective cover, which has a second through hole for a belt or chain to pass through.

[0010] Furthermore, the heating plate is provided with mounting bases on its left and right side walls, and the casters are mounted on the bottom surface of the mounting bases. The casters are brake casters.

[0011] Furthermore, the front end of the first protective cover is provided with a scraper and a second driving mechanism, the second driving mechanism being used to drive the scraper to rise and fall.

[0012] Furthermore, the second driving mechanism includes a first horizontal plate and a first hydraulic cylinder. The first horizontal plate is fixed to the front end of the first protective cover, the first hydraulic cylinder is fixed to the first horizontal plate, the scraper is disposed below the first horizontal plate, and the telescopic end of the first hydraulic cylinder passes through the first horizontal plate and is connected to the scraper.

[0013] Furthermore, the rear end of the asphalt pavement heating vehicle is equipped with a compaction roller, a U-shaped frame, and a third drive mechanism. The U-shaped frame is located on the outside of the compaction roller, and the third drive mechanism is used to drive the compaction roller to rise and fall.

[0014] Furthermore, the third driving mechanism includes a second horizontal plate and a second hydraulic cylinder. The second horizontal plate is fixed to the rear end of the asphalt road heating vehicle, and the second hydraulic cylinder is fixed to the second horizontal plate. The compaction roller and the U-shaped frame are arranged below the second horizontal plate, and the telescopic end of the second hydraulic cylinder passes through the second horizontal plate and is connected to the U-shaped frame.

[0015] Compared with the prior art, the beneficial effects of this utility model are:

[0016] The highway maintenance asphalt pavement hot recycling repair vehicle of this utility model is equipped with an asphalt loosening device. In use, the highway maintenance asphalt pavement hot recycling repair vehicle is moved so that the heating plate is moved above the damaged pavement to heat the pavement. Then, the highway maintenance asphalt pavement hot recycling repair vehicle is moved so that the needle of the asphalt loosening device is moved to the heated asphalt pavement. The needle is driven by the first driving mechanism to repeatedly rise and fall so that the needle repeatedly pierces into the asphalt. After repeatedly piercing the same position several times, the repair vehicle can be moved so that the needle pierces into other positions to soften the asphalt. Attached Figure Description

[0017] 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:

[0018] Figure 1 This is a schematic diagram of the overall structure of the asphalt pavement hot recycling repair vehicle for highway maintenance in Example 1.

[0019] Figure 2 This is a cross-sectional view of the asphalt loosening device in Example 1.

[0020] Figure 3 This is a partial structural cross-sectional view of the asphalt pavement hot recycling repair vehicle for highway maintenance in Example 1.

[0021] Figure 4 This is a schematic diagram of the overall structure of the asphalt pavement hot recycling repair vehicle for highway maintenance in Example 2.

[0022] Figure 5 This is a schematic diagram of the overall structure of the asphalt pavement hot recycling repair vehicle for highway maintenance in Example 3.

[0023] In the diagram: 1. Heating plate; 2. Tank body; 3. Heater; 4. Controller; 5. Caster; 6. Needle; 7. Motor; 8. Rotating shaft; 9. Cam; 10. Push plate; 11. Limiting plate; 12. Return spring; 13. First protective cover; 14. First through hole; 15. Second protective cover; 16. Second through hole; 17. Mounting base; 18. Scraper; 19. First horizontal plate; 20. First hydraulic cylinder; 21. Compacting roller; 22. U-shaped frame; 23. Second horizontal plate; 24. Second hydraulic cylinder. Detailed Implementation

[0024] 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.

[0025] Example 1:

[0026] like Figures 1-3 As shown, the asphalt pavement hot recycling repair vehicle for highway maintenance in this embodiment includes an asphalt pavement heating vehicle. The asphalt pavement heating vehicle includes a heating plate 1, a tank 2, a heater 3, a controller 4, and casters 5. The tank 2, heater 3, and controller 4 are all located on the top outer wall of the heating plate 1, and the casters 5 are installed on the left and right side walls of the heating plate 1. Specifically, the asphalt pavement heating vehicle is a commonly used asphalt pavement heating vehicle in the prior art, suitable for repairing common defects in asphalt pavements such as potholes, ruts, cracks, and loosening.

[0027] The asphalt pavement heating vehicle is equipped with an asphalt loosening device at its front end. This device includes spikes 6 and a first driving mechanism. The spikes 6 are vertically positioned, with multiple spikes arranged horizontally side-by-side. The first driving mechanism drives the spikes 6 to repeatedly rise and fall. When the spikes 6 descend to the first position, their lower ends are inserted into the asphalt. When the spikes 6 rise to the second position, their lower ends are above the road surface. The repeated insertion of the spikes 6 into the asphalt softens the heated old asphalt.

[0028] In this embodiment, the first driving mechanism includes a motor 7, a rotating shaft 8, a cam 9, a push plate 10, a limiting plate 11, and a return spring 12. The motor 7 is mounted on the top surface of the heating plate 1 of the asphalt pavement heating vehicle. The rotating shaft 8 is horizontal and rotatably positioned at the front end of the asphalt pavement heating vehicle, above the needle 6, and is connected to the motor 7 via a transmission connection. Multiple cams 9 are fixedly sleeved on the rotating shaft 8 and correspond one-to-one with the needles 6. The push plate 10 is horizontally fixed to the upper end of the needle 6. Specifically, the push plate 10 is circular, and its diameter is larger than the diameter of the upper end of the needle 6. The cams 9 abut against the top surface of the push plate 10. The limiting plate 11 is fixed to the front end of the heating plate 1 of the asphalt pavement heating vehicle and slidably sleeved on the outside of the needle 6. The return spring 12 is sleeved on the outside of the needle 6, and its upper and lower ends are fixed to the push plate 10 and the limiting plate 11, respectively.

[0029] The motor 7 is connected to the rotating shaft 8, which drives the rotating shaft 8 to rotate. At the same time, the cam 9 rotates with the rotating shaft 8. During the rotation of the cam 9, the push plate 10 and the needle 6 are pressed down together, so that the lower end of the needle 6 is inserted into the asphalt. The return spring 12 is compressed. The cam 9 continues to rotate, and the needle 6 and the push plate 10 move upward to reset under the action of the return spring 12. This process is repeated.

[0030] The motor 7 is connected to the rotating shaft 8 by a belt drive or chain drive. Specifically, both the output shaft of the motor 7 and the rotating shaft 8 are fixed with pulleys or sprockets, and the two pulleys or sprockets are connected by a belt or chain drive.

[0031] A first protective cover 13 is integrally provided on the outer side of the rotating shaft 8, cam 9, spring, and limiting plate 11. The first protective cover 13 is fixed to the front end of the heating plate 1 of the asphalt pavement heating vehicle and has an opening at the bottom. Both ends of the rotating shaft 8 are rotatably connected to the first protective cover 13. The first protective cover 13 is provided with a first through hole 14 for a belt or chain to pass through. A second protective cover 15 is provided on the outer side of the motor 7. The second protective cover 15 is provided with a second through hole 16 for a belt or chain to pass through. By providing the first protective cover 13 and the second protective cover 15, the cam 9, rotating shaft 8, motor 7, and other components are effectively protected.

[0032] In this embodiment, mounting bases 17 are provided on the left and right side walls of the heating plate 1, and casters 5 are mounted on the bottom surface of the mounting bases 17. The casters 5 are braked swivel casters. A handle is provided at the rear end of the top surface of the heating plate 1, so as to facilitate the workers to push the repair cart. The first protective cover 13 and the second protective cover 15 can be connected to the outer shell of the heating plate 1 by welding or bolting.

[0033] The working principle of the asphalt pavement hot recycling repair vehicle for highway maintenance in this embodiment is as follows:

[0034] In use, the hot recycling repair vehicle for highway maintenance asphalt pavement is moved so that the heating plate 1 is moved above the damaged pavement to heat the pavement. Then, the hot recycling repair vehicle for highway maintenance asphalt pavement is moved so that the needle 6 of the asphalt loosening device is moved to the heated asphalt pavement. The needle 6 is driven to rise and fall repeatedly by the first drive mechanism so that the needle 6 repeatedly pierces the asphalt. After piercing the same position several times, the repair vehicle can be moved so that the needle 6 pierces other positions to soften the asphalt.

[0035] Example 2:

[0036] like Figure 4As shown, in this embodiment, a scraper 18 and a second driving mechanism are provided at the front end of the first protective cover 13. The second driving mechanism is used to drive the scraper 18 to rise and fall. Specifically, the second driving mechanism includes a first horizontal plate 19 and a first hydraulic cylinder 20. The first horizontal plate 19 is fixed to the front end of the first protective cover 13, the first hydraulic cylinder 20 is fixed on the first horizontal plate 19, and the scraper 18 is disposed below the first horizontal plate 19. The telescopic end of the first hydraulic cylinder 20 passes through the first horizontal plate 19 and is connected to the scraper 18. By setting the scraper 18, on the one hand, debris on the road surface can be cleaned before heating the old asphalt; on the other hand, after laying new asphalt, the scraper 18 can be used to smooth the repaired road surface. The first horizontal plate 19 can be connected to the first protective cover 13 by welding or bolting.

[0037] Example 3:

[0038] like Figure 5 As shown, in this embodiment, the rear end of the asphalt pavement heating vehicle is equipped with a compaction roller 21, a U-shaped frame 22, and a third drive mechanism. The U-shaped frame 22 is located outside the compaction roller 21, and both ends of the compaction roller 21 are rotatably connected to the U-shaped frame 22. The third drive mechanism is used to drive the compaction roller 21 to rise and fall. Specifically, the third drive mechanism includes a second horizontal plate 23 and a second hydraulic cylinder 24. The second horizontal plate 23 is fixed to the rear end of the heating plate 1 of the asphalt pavement heating vehicle, and the second hydraulic cylinder 24 is fixed on the second horizontal plate 23. The compaction roller 21 and the U-shaped frame 22 are located below the second horizontal plate 23, and the telescopic end of the second hydraulic cylinder 24 passes through the second horizontal plate 23 and is connected to the U-shaped frame 22. By setting the compaction roller 21, the newly laid asphalt can be compacted after it is laid. The second horizontal plate 23 can be connected to the outer shell of the heating plate 1 by welding or bolting.

[0039] Finally, it should be noted that the above description is merely a preferred embodiment of this utility model and is 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 hot recycling repair vehicle for asphalt pavement used in highway maintenance, characterized in that, The asphalt road heating vehicle includes a heating plate (1), a tank (2), a heater (3), a controller (4), and casters (5). The tank (2), heater (3), and controller (4) are all located on the top outer wall of the heating plate (1), and the casters (5) are installed on the left and right side walls of the heating plate (1). The asphalt road heating vehicle is equipped with an asphalt loosening device at the front end. The asphalt loosening device includes a needle (6) and a first driving mechanism. The needle (6) is arranged vertically and multiple needles (6) are arranged horizontally side by side. The first driving mechanism is used to drive the needle (6) to rise and fall repeatedly. When the needle (6) falls to the first position, the lower end of the needle (6) is inserted into the asphalt.

2. The asphalt pavement hot recycling repair vehicle for highway maintenance according to claim 1, characterized in that, The first driving mechanism includes a motor (7), a rotating shaft (8), a cam (9), a push plate (10), a limiting plate (11), and a return spring (12). The motor (7) is mounted on the asphalt road heating vehicle. The rotating shaft (8) is horizontal and rotatably disposed at the front end of the asphalt road heating vehicle and located above the needle (6). The rotating shaft (8) is connected to the motor (7) in a transmission manner. A plurality of cams (9) are fixedly sleeved on the rotating shaft (8) and correspond to the needle (6). The push plate (10) is horizontally fixed at the upper end of the needle (6). The cams (9) abut against the top surface of the push plate (10). The limiting plate (11) is fixed at the front end of the asphalt road heating vehicle and slidably sleeved outside the needle (6). The return spring (12) is sleeved outside the needle (6) and its two ends are respectively fixed to the push plate (10) and the limiting plate (11).

3. The asphalt pavement hot recycling repair vehicle for highway maintenance according to claim 2, characterized in that, The motor (7) is driven by a belt or chain with the rotating shaft (8).

4. The asphalt pavement hot recycling repair vehicle for highway maintenance according to claim 3, characterized in that, The rotating shaft (8), cam (9), spring and limiting plate (11) are integrally provided with a first protective cover (13). The first protective cover (13) is fixed to the front end of the asphalt road heating vehicle and has an opening at the bottom. The two ends of the rotating shaft (8) are rotatably connected to the first protective cover (13). The first protective cover (13) is provided with a first through hole (14) for a belt or chain to pass through.

5. The asphalt pavement hot recycling repair vehicle for highway maintenance according to claim 4, characterized in that, The motor (7) is covered with a second protective cover (15), and the second protective cover (15) is provided with a second through hole (16) for a belt or chain to pass through.

6. The asphalt pavement hot recycling repair vehicle for highway maintenance according to claim 5, characterized in that, The heating plate (1) is provided with mounting bases (17) on its left and right side walls. The caster (5) is mounted on the bottom surface of the mounting base (17). The caster (5) is a brake swivel wheel.

7. The asphalt pavement hot recycling repair vehicle for highway maintenance according to claim 6, characterized in that, The front end of the first protective cover (13) is provided with a scraper (18) and a second driving mechanism, the second driving mechanism being used to drive the scraper (18) to rise and fall.

8. The asphalt pavement hot recycling repair vehicle for highway maintenance according to claim 7, characterized in that, The second driving mechanism includes a first horizontal plate (19) and a first hydraulic cylinder (20). The first horizontal plate (19) is fixed to the front end of the first protective cover (13), and the first hydraulic cylinder (20) is fixed on the first horizontal plate (19). The scraper (18) is disposed below the first horizontal plate (19). The telescopic end of the first hydraulic cylinder (20) passes through the first horizontal plate (19) and is connected to the scraper (18).

9. The asphalt pavement hot recycling repair vehicle for highway maintenance according to claim 8, characterized in that, The rear end of the asphalt road heating vehicle is equipped with a compaction roller (21), a U-shaped frame (22) and a third drive mechanism. The U-shaped frame (22) is located on the outside of the compaction roller (21), and the third drive mechanism is used to drive the compaction roller (21) to rise and fall.

10. The asphalt pavement hot recycling repair vehicle for highway maintenance according to claim 9, characterized in that, The third driving mechanism includes a second horizontal plate (23) and a second hydraulic cylinder (24). The second horizontal plate (23) is fixed to the rear end of the asphalt road heating vehicle, and the second hydraulic cylinder (24) is fixed on the second horizontal plate (23). The compaction roller (21) and the U-shaped frame (22) are arranged below the second horizontal plate (23). The telescopic end of the second hydraulic cylinder (24) passes through the second horizontal plate (23) and is connected to the U-shaped frame (22).

Images