Asphalt paving device for highway pavement maintenance

Abstract

The utility model relates to the technical field of expressway pavement maintenance, and discloses an asphalt paving device for expressway pavement maintenance, which comprises a base, one side of the top of the base is fixedly connected with a stirring box, and one side of the top of the stirring box is fixedly connected with a feed hopper for adding asphalt. A handrail is fixedly connected to the side, close to the stirring box, of the top of the base, a compaction roller used for pressing a road is fixedly installed on one side of the bottom of the base, a stirring mechanism used for stirring, scraping and brushing asphalt is arranged in the middle of the top of the stirring box, and a discharging hopper is fixedly connected to the bottom of an inner cavity of the stirring box. The bottom of the discharging hopper is fixedly connected with a discharging pipe, and the end, penetrating through the bottom of the stirring box, of the discharging pipe is fixedly connected with an opening adjusting device used for adjusting the size of an opening. And the practicability of the device is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of highway pavement maintenance, and in particular to an asphalt paving device for highway pavement maintenance. Background Art

[0002] Highway maintenance is mainly aimed at ensuring the quality of highways and ensuring the smooth operation of highways. Daily maintenance projects of highway maintenance mainly include cleaning, greening, and road property repair. Usually when there are major problems with the highway, there will be special maintenance projects to carry out special maintenance of the highway.

[0003] The publication number CN216891857U disclosed an asphalt paving device for highway pavement maintenance, comprising a base, a conveying pipe is fixedly connected to the upper side of the base, a discharge port is arranged on the lower side of one end of the conveying pipe, both ends of the inner side of the discharge port are rotatably connected with adjusting plates, an adjusting mechanism is arranged on the inner side of the base corresponding to the position of the adjusting plate, the adjusting mechanism comprises an adjusting seat integrally formed on the inner side of the base, a rotating seat rotatably mounted on the inner side of the adjusting seat and a knob screw screwed on the middle part of the rotating seat, one end of the knob screw is rotatably connected to the adjusting plate through the rotating seat; through the designed discharge port, adjusting plate and adjusting mechanism, the adjusting plate can be driven to move through the adjusting mechanism according to the size of the pothole on the highway pavement during use, so as to adjust the position of the adjusting plate, so as to adjust the outlet size of the lower end of the discharge port through the adjusting plate, so as to adjust the discharge size according to the size of the pothole, and reduce the phenomenon of excessive discharge during discharge.

[0004] In the prior art, when adjusting the discharge port, it is necessary to manually turn the knob screws located on both sides of one end of the conveying pipe to drive the adjustment plates at both ends to move, thereby adjusting the position of the adjustment plates, and adjusting the size of the outlet at the lower end of the discharge port through the adjustment plates. Manual adjustment is cumbersome to operate, and the accuracy of adjusting the size of the outlet at the lower end of the discharge port is low. In addition, since asphalt is sticky, when it is transported through the conveying pipe, the asphalt is easily contaminated on the inner wall of the conveying pipe, which not only causes waste of asphalt, but also causes blockage of the conveying pipe, reducing the practicability of the device. Utility Model Content

[0005] The utility model aims to provide an asphalt paving device for highway pavement maintenance, so as to solve the problem proposed in the prior art that when adjusting the discharge port, it is necessary to manually rotate the knob screws located on both sides of one end of the conveying pipe to drive the adjustment plates at both ends to move, so as to adjust the position of the adjustment plates, so as to adjust the size of the outlet at the lower end of the discharge port through the adjustment plates. Manual adjustment is complicated to operate, and the accuracy of adjusting the size of the outlet at the lower end of the discharge port is low. In addition, since asphalt is sticky, when it is transported through the conveying pipe, the asphalt is easily contaminated on the inner wall of the conveying pipe, which not only causes waste of asphalt, but also causes blockage of the conveying pipe, reducing the practicality of the device.

[0006] The utility model provides the following technical solution: an asphalt paving device for highway pavement maintenance, comprising a base, a mixing box is fixedly connected to one side of the top of the base, a feeding hopper for adding asphalt is fixedly connected to one side of the top of the mixing box, a support rod is fixedly connected to one side of the top of the base close to the mixing box, a compaction roller for rolling the road is fixedly installed on one side of the bottom of the base, a stirring mechanism for stirring and scraping asphalt is arranged in the middle of the top of the mixing box, a discharge funnel is fixedly connected to the bottom of the inner cavity of the mixing box, a discharge pipe is fixedly connected to the bottom of the discharge funnel, and an opening adjustment device for adjusting the size of the opening is fixedly connected to one end of the discharge pipe passing through the bottom of the mixing box.

[0007] By adopting the above scheme, through the provided stirring mechanism, it is not only convenient to stir the mixed asphalt in the mixing box, but also convenient to scrape and brush the asphalt contaminated on the inner wall of the mixing box, and then through the provided discharge funnel, since the discharge funnel is funnel-shaped, the scraped asphalt can slide through the discharge funnel to the inside of the discharge pipe, and then be discharged through the discharge pipe, which effectively prevents the waste of asphalt and is convenient to clean the inner wall of the mixing box, and is highly practical. Furthermore, through the provided opening adjustment device, it is convenient to flexibly adjust the size of the discharge port according to the size of the pothole in the road surface, so that the discharge size can be adjusted according to the size of the pothole, thereby reducing the phenomenon of excessive discharge during discharging.

[0008] As a preferred embodiment of the above technical solution, the stirring mechanism includes a stirring motor fixedly installed on the top of the stirring box, the output end of the stirring motor is fixedly connected to a stirring shaft, the end of the stirring shaft away from the stirring motor is symmetrically fixedly connected to a plurality of stirring rods evenly and equidistantly distributed, the end of the stirring shaft away from the stirring motor is symmetrically fixedly connected to a connecting rod, the end of the connecting rod away from the stirring shaft is fixedly connected to a scraper, and the side of the scraper away from the connecting rod is in contact with the inner wall of the stirring box.

[0009] By adopting the above scheme, the stirring motor is started, the stirring motor drives the stirring shaft to rotate, and the stirring shaft drives the stirring rod to rotate. The rotation of the stirring rod facilitates the asphalt in the mixing box to be fully mixed and stirred. The rotation of the stirring shaft drives the connecting rod to rotate, and the connecting rod drives the scraper to rotate, thereby facilitating the scraping of the asphalt contaminated on the inner wall of the mixing box, which not only effectively prevents the waste of asphalt, but also facilitates the cleaning of the inner wall of the mixing box.

[0010] As a preferred embodiment of the above technical solution, the opening adjustment device includes an adjustment seat fixedly installed at the bottom of the discharge pipe, a discharge port is opened at the top of the adjustment seat, slide grooves are symmetrically opened on both sides of the bottom of the adjustment seat, and a movable adjustment mechanism is arranged at the bottom of the adjustment seat.

[0011] By adopting the above solution, the initial opening diameter of the discharge port is set to be consistent with the diameter of the discharge pipe through hole, and the movement of the internal thread moving block is smoother by sliding the slider inside the slide groove.

[0012] As a preferred embodiment of the above technical solution, the movable adjustment mechanism includes a mounting seat fixedly connected to one side of the bottom of the adjustment seat, a driving motor is fixedly installed on the top of the mounting seat, a bidirectional threaded shaft is fixedly connected to the output end of the driving motor, both ends of the bidirectional threaded shaft are symmetrically threaded with internal threaded moving blocks, one side of the internal threaded moving block is fixedly connected to an adjustment plate, the bottom side of the adjustment seat away from the mounting seat is fixedly connected to a fixed block, and the end of the bidirectional threaded shaft away from the driving motor is fixedly connected to one side of the fixed block through a bearing.

[0013] By adopting the above scheme, by starting the driving motor, the driving motor drives the bidirectional threaded shaft to rotate, and the bidirectional threaded shaft drives the two internal threaded moving blocks to move relative to both sides, thereby driving the two adjustment plates to move relative to both sides, thereby flexibly adjusting the size of the discharge port according to the size of the road hole, without the need for manual adjustment, making the operation more convenient and the adjustment accuracy higher.

[0014] As a preferred embodiment of the above technical solution, a sliding block is fixedly connected to the top of the internal thread moving block, the sliding block and the sliding groove form a sliding connection structure, and the adjustment plate is configured as a semicircular plate.

[0015] By adopting the above solution, the slider slides inside the slide groove, so that the movement of the adjustment plate is more stable.

[0016] As a preferred embodiment of the above technical solution, a solenoid valve is provided inside the discharge pipe.

[0017] By adopting the above scheme, the inlet and outlet of materials can be easily controlled by the provided solenoid valve.

[0018] As a preferred embodiment of the above technical solution, self-locking universal wheels are fixedly connected to the four corners of the bottom of the base.

[0019] By adopting the above solution, the movement of the device is facilitated by the provision of self-locking universal wheels.

[0020] Compared with the prior art, the beneficial effects of the utility model are:

[0021] The utility model is provided with an opening adjustment device. By starting a driving motor, the driving motor drives the bidirectional threaded shaft to rotate, and the bidirectional threaded shaft drives the two internal threaded moving blocks to move relatively to both sides, thereby driving the two adjustment plates to move relatively to both sides, so that the size of the discharge port can be flexibly adjusted according to the size of the road hole. There is no need for manual adjustment, the operation is more convenient, the work efficiency is improved, and the adjustment accuracy is higher, which is conducive to improving the practicality of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 This is a schematic diagram of the overall structure of an asphalt paving device for highway pavement maintenance;

[0023] Figure 2 This is a schematic diagram of the internal structure of a mixing box of an asphalt paving device for highway pavement maintenance;

[0024] Figure 3 A schematic diagram of the cross-sectional structure of an opening adjustment device of an asphalt paving device for highway pavement maintenance;

[0025] Figure 4 The present invention is a schematic diagram of the structure of a mobile adjustment mechanism of an asphalt paving device for highway pavement maintenance.

[0026] In the figure: 1. base; 2. self-locking universal wheel; 3. compacting roller; 4. opening adjustment device; 41. adjustment seat; 42. slide slot; 43. movable adjustment mechanism; 431. mounting seat; 432. driving motor; 433. bidirectional threaded shaft; 434. internal threaded moving block; 435. slider; 436. fixed block; 437. adjustment plate; 44. discharge port; 5. support rod; 6. mixing box; 7. feed hopper; 8. mixing mechanism; 81. mixing motor; 82. mixing shaft; 83. mixing rod; 84. connecting rod; 85. scraper; 9. discharge funnel; 10. discharge pipe. DETAILED DESCRIPTION

[0027] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the accompanying drawings in the embodiments of the present invention.

[0028] like Figure 1-2As shown, the utility model provides a technical solution: an asphalt paving device for highway road maintenance, comprising a base 1, four corners of the bottom of the base 1 are fixedly connected with self-locking universal wheels 2, one side of the top of the base 1 is fixedly connected with a mixing box 6, one side of the top of the mixing box 6 is fixedly connected with a feeding hopper 7 for adding asphalt, a side of the top of the base 1 close to the mixing box 6 is fixedly connected with a support rod 5, a compacting roller 3 for rolling the road is fixedly installed on one side of the bottom of the base 1, a stirring mechanism 8 for stirring and scraping asphalt is arranged in the middle of the top of the mixing box 6, a discharge funnel 9 is fixedly connected to the bottom of the inner cavity of the mixing box 6, a discharge pipe 10 is fixedly connected to the bottom of the discharge funnel 9, an electromagnetic valve is arranged inside the discharge pipe 10, and the discharge pipe 10 passes through the bottom of the mixing box 6 One end of the part is fixedly connected with an opening adjustment device 4 for adjusting the opening size. Through the provided stirring mechanism 8, it is not only convenient to stir the mixed asphalt in the mixing box 6, but also convenient to scrape the asphalt contaminated on the inner wall of the mixing box 6, and then through the provided discharging funnel 9. Since the discharging funnel 9 is funnel-shaped, the scraped asphalt can slide through the discharging funnel 9 to the inside of the discharging pipe 10, and then be discharged through the discharging pipe 10, effectively preventing the waste of asphalt, and convenient to clean the inner wall of the mixing box 6, which is highly practical. Furthermore, through the provided opening adjustment device 4, it is convenient to flexibly adjust the size of the discharging port 44 according to the size of the pothole in the road surface, so that the discharging size can be adjusted according to the size of the pothole, and the phenomenon of excessive discharging can be reduced during discharging.

[0029] As an implementation method in this embodiment, Figure 2 As shown, the stirring mechanism 8 includes a stirring motor 81 fixedly installed on the top of the stirring box 6, the output end of the stirring motor 81 is fixedly connected to a stirring shaft 82, and the end of the stirring shaft 82 away from the stirring motor 81 is symmetrically fixedly connected to a plurality of stirring rods 83 evenly and equidistantly distributed, the end of the stirring shaft 82 away from the stirring motor 81 is symmetrically fixedly connected to a connecting rod 84, and the end of the connecting rod 84 away from the stirring shaft 82 is fixedly connected to a scraper 85, and the side of the scraper 85 away from the connecting rod 84 is in contact with the inner wall of the stirring box 6. By starting the stirring motor 81, the stirring motor 81 drives the stirring shaft 82 to rotate, and the stirring shaft 82 drives the stirring rod 83 to rotate. The rotation of the stirring rod 83 facilitates the full mixing and stirring of the asphalt in the stirring box 6, and the rotation of the stirring shaft 82 drives the connecting rod 84 to rotate, and the connecting rod 84 drives the scraper 85 to rotate, so that the asphalt contaminated on the inner wall of the stirring box 6 is scraped off, which not only effectively prevents the waste of asphalt, but also facilitates the cleaning of the inner wall of the stirring box 6.

[0030] As an implementation method in this embodiment, Figure 3-4As shown, the opening adjustment device 4 includes an adjustment seat 41 fixedly installed at the bottom of the discharge pipe 10, a discharge port 44 is opened at the top of the adjustment seat 41, and slide grooves 42 are symmetrically opened on both sides of the bottom of the adjustment seat 41. A movable adjustment mechanism 43 is arranged at the bottom of the adjustment seat 41. The initial opening diameter of the discharge port 44 is set to be consistent with the diameter of the through hole of the discharge pipe 10. The slider 435 slides inside the slide groove 42, so that the movement of the internal thread moving block 434 is more stable. The movable adjustment mechanism 43 includes a mounting seat 431 fixedly connected to one side of the bottom of the adjustment seat 41, and a driving motor 432 is fixedly installed on the top of the mounting seat 431. The output end of the driving motor 432 is fixedly connected to a bidirectional threaded shaft 433, and both ends of the bidirectional threaded shaft 433 are symmetrically threaded with internal threaded moving blocks 434. An adjusting plate 437 is fixedly connected to one side of the adjusting seat 41, a fixing block 436 is fixedly connected to the bottom side of the adjusting seat 41 away from the mounting seat 431, one end of the bidirectional threaded shaft 433 away from the driving motor 432 is fixedly connected to one side of the fixing block 436 through a bearing, a slider 435 is fixedly connected to the top of the internal thread moving block 434, the slider 435 and the slide groove 42 form a sliding connection structure, and the adjusting plate 437 is configured as a semicircular plate. By starting the driving motor 432, the driving motor 432 drives the bidirectional threaded shaft 433 to rotate, and the bidirectional threaded shaft 433 drives the two internal thread moving blocks 434 to move relative to both sides, thereby driving the two adjusting plates 437 to move relative to both sides, so as to facilitate the flexible adjustment of the size of the discharge port 44 according to the size of the road hole, without manual adjustment, more convenient operation, and higher adjustment accuracy.

[0031] Working principle: When using the device, firstly, add the asphalt mixed raw material into the mixing box 6 through the feed hopper 7, then start the mixing motor 81, the mixing motor 81 drives the mixing shaft 82 to rotate, the mixing shaft 82 drives the mixing rod 83 to rotate, and the rotation of the mixing rod 83 facilitates the asphalt in the mixing box 6 to be fully mixed and stirred, and the rotation of the mixing shaft 82 drives the connecting rod 84 to rotate, and the connecting rod 84 drives the scraper 85 to rotate, so as to facilitate the scraping of the asphalt contaminated on the inner wall of the mixing box 6, which not only effectively prevents the waste of asphalt, but also facilitates the cleaning of the inner wall of the mixing box 6. After being fully mixed, the drive motor 432 is started immediately The driving motor 432 drives the bidirectional threaded shaft 433 to rotate, and the bidirectional threaded shaft 433 drives the two internal threaded moving blocks 434 to move relatively to both sides, thereby driving the two adjustment plates 437 to move relatively to both sides, so that the size of the discharge port 44 can be flexibly adjusted according to the size of the road hole. No manual adjustment is required, the operation is more convenient, and the adjustment accuracy is higher. After the size of the discharge port is adjusted, the solenoid valve is opened to allow the asphalt raw material to pass through the discharge pipe 10 and then through the discharge port 44 to fill the road hole. Finally, the compacting roller 3 is set to compact the asphalt filled in the road surface, thereby improving the practicality of the device.

[0032] The above embodiments are only used to illustrate the technical solution of the present invention, but not to limit it.

Claims

1. An asphalt paving device for highway road maintenance, comprising a base (1), a mixing box (6) is fixedly connected to one side of the top of the base (1), a feed hopper (7) for adding asphalt is fixedly connected to one side of the top of the mixing box (6), a support rod (5) is fixedly connected to one side of the top of the base (1) close to the mixing box (6), and a compacting roller (3) for rolling the road is fixedly installed on one side of the bottom of the base (1), characterized in that: A stirring mechanism (8) for stirring and scraping asphalt is arranged in the middle of the top of the stirring box (6), a discharge funnel (9) is fixedly connected to the bottom of the inner cavity of the stirring box (6), a discharge pipe (10) is fixedly connected to the bottom of the discharge funnel (9), and an opening adjustment device (4) for adjusting the size of the opening is fixedly connected to one end of the discharge pipe (10) passing through the bottom of the stirring box (6).

2. The asphalt paving device for highway pavement maintenance according to claim 1, characterized in that: The stirring mechanism (8) comprises a stirring motor (81) fixedly mounted on the top of the stirring box (6); the output end of the stirring motor (81) is fixedly connected to a stirring shaft (82); one end of the stirring shaft (82) away from the stirring motor (81) is symmetrically fixedly connected to a plurality of stirring rods (83) evenly and equidistantly distributed; one end of the stirring shaft (82) away from the stirring motor (81) is symmetrically fixedly connected to a connecting rod (84); one end of the connecting rod (84) away from the stirring shaft (82) is fixedly connected to a scraper (85); and a side of the scraper (85) away from the connecting rod (84) is in contact with the inner wall of the stirring box (6).

3. The asphalt paving device for highway pavement maintenance according to claim 1, characterized in that: The opening adjustment device (4) comprises an adjustment seat (41) fixedly mounted at the bottom of the discharge pipe (10), a discharge port (44) being provided at the top of the adjustment seat (41), slide grooves (42) being symmetrically provided at both sides of the bottom of the adjustment seat (41), and a movable adjustment mechanism (43) being provided at the bottom of the adjustment seat (41).

4. The asphalt paving device for highway pavement maintenance according to claim 3, characterized in that: The movable adjustment mechanism (43) comprises a mounting seat (431) fixedly connected to one side of the bottom of the adjustment seat (41); a driving motor (432) is fixedly installed on the top of the mounting seat (431); a bidirectional threaded shaft (433) is fixedly connected to the output end of the driving motor (432); two ends of the bidirectional threaded shaft (433) are symmetrically threadedly connected to internal threaded moving blocks (434); one side of the internal threaded moving block (434) is fixedly connected to an adjustment plate (437); a fixing block (436) is fixedly connected to one side of the bottom of the adjustment seat (41) away from the mounting seat (431); and one end of the bidirectional threaded shaft (433) away from the driving motor (432) is fixedly connected to one side of the fixing block (436) via a bearing.

5. The asphalt paving device for highway pavement maintenance according to claim 4, characterized in that: A slider (435) is fixedly connected to the top of the internal thread moving block (434), and the slider (435) and the slide groove (42) form a sliding connection structure. The adjustment plate (437) is configured as a semicircular plate.

6. The asphalt paving device for highway pavement maintenance according to claim 1, characterized in that: A solenoid valve is arranged inside the discharge pipe (10).

7. The asphalt paving device for highway pavement maintenance according to claim 1, characterized in that: The four corners at the bottom of the base (1) are all fixedly connected with self-locking universal wheels (2).

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