Asphalt paving vehicle for road traffic engineering maintenance

By designing an asphalt paving truck with a mobile frame and a material hopper, the problem of fixing the position of the material hopper discharge port in the prior art is solved, and it is difficult to repair the roadside cracks, and the angle adjustment of the discharge pipe and the slippage of the scraper are achieved, which improves the convenience and efficiency of repair operations.

CN222594559UActive Publication Date: 2025-03-11马悦文
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Patent Information

Application Number
CN202421924520.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-08-09
Publication Date
2025-03-11
Estimated Expiration
2034-08-09

AI Technical Summary

Technical Problem

In existing asphalt paving trucks, the position of the bottom of the hopper is fixed, making it difficult to repair cracks generated by the roadside.

Method used

A asphalt paving truck for maintenance of road traffic engineering is designed, adopting a combined structure of a mobile frame and a material hopper. The bottom of the material hopper is equipped with a feed outlet, adapter and a rotatable feed pipe. It is matched with the steering adjustment mechanism and scraper flattening assembly to realize the angle adjustment of the feed pipe and the lateral slip of the scraper, which is convenient for repairing the road surface.

Benefits of technology

The device can easily repair cracks generated by the roadside, improve the applicability and efficiency of the device, and can perform repair operations at different angles and positions.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides an asphalt paving vehicle for road traffic engineering maintenance, and relates to the field of traffic engineering maintenance. The asphalt paving vehicle for road traffic engineering maintenance comprises a movable vehicle frame and a material hopper, the movable vehicle frame comprises a containing cavity and a plurality of sets of movable supporting legs, and the containing cavity used for containing the material hopper is formed in the movable vehicle frame. According to the asphalt paving vehicle for road traffic engineering maintenance, through rotary connection of a discharging pipe at a discharging opening in the bottom of a material hopper and arrangement of a steering adjusting mechanism at the bottom of the movable vehicle frame, steering adjustment can be conducted on the using angle of the discharging pipe, and the outer end of the discharging pipe can extend out of the bottom of the movable vehicle frame to be used; and meanwhile, through sliding connection of a scraper body and a connecting plate in a scraper flattening assembly at the bottom of the movable vehicle frame, one side of the scraper body can extend out of the bottom of the movable vehicle frame for use, so that a worker can conveniently repair cracks generated on the roadside, and the applicability of the device in use is improved.
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Description

Technical Field

[0001] The present application relates to the technical field of traffic engineering maintenance, and specifically to an asphalt paving vehicle for road traffic engineering maintenance. Background Art

[0002] In traffic road maintenance, asphalt filling and patching are often used to maintain and repair damaged or cracked road surfaces. In this process, asphalt pavers are often used to carry and transport asphalt, and to assist workers in repairing and leveling the road surface with asphalt.

[0003] After searching, it was found that the patent number CN218454323U discloses an asphalt paving construction tool, which is equipped with a push handle and wheels or a traction ring to drive the main frame to move in a narrow area, and deliver the asphalt through the discharge port at the bottom of the material hopper to carry out the asphalt paving work. Then, through the sliding connection between the material hopper and the main frame, the asphalt in the material hopper is used up, which is convenient for the staff to replace the material hopper. At the same time, with the setting of the valve, the amount of asphalt paved in the storage chamber of the material hopper is controlled through the discharge port and the valve on the discharge port, which is convenient for the staff to carry out the asphalt paving work.

[0004] In the above-mentioned prior art, although the structure of the prior art can realize the repair operation of the road surface, in the actual use of such a device, the position of the discharge port at the bottom of the material hopper is often fixed, and asphalt can only be delivered and used at a fixed position at the bottom of the frame. There are certain limitations, which makes it inconvenient for workers to use it to repair cracks generated on the roadside. Utility Model Content

[0005] 1. Technical issues to be resolved

[0006] In view of the deficiencies in the prior art, the present application provides an asphalt paving vehicle for road traffic engineering maintenance, which solves the problems mentioned in the above background technology.

[0007] (II) Technical solution

[0008] To achieve the above objectives, the present application is implemented through the following technical solutions: an asphalt paving vehicle for road traffic engineering maintenance, comprising a mobile frame and a material hopper, the mobile frame comprising a containing cavity and multiple groups of mobile legs, the mobile frame is provided with a containing cavity for containing the material hopper, the material hopper comprises a fixedly connected cavity body and a side block, one side of the bottom surface of the cavity body is through-connected with a discharge port and an adapter, the bottom of the adapter is rotatably connected with a discharge pipe, one side of the bottom of the mobile frame is provided with a steering adjustment mechanism for providing support and limitation for the discharge pipe, and the other side of the bottom of the mobile frame is provided with a scraper leveling assembly for asphalt paving, the steering adjustment mechanism comprises a sliding block for providing support for the discharge pipe and a semi-ring frame fixedly connected to two groups of mobile legs, the scraper leveling assembly comprises a scraper body and a connecting plate slidably connected.

[0009] By adopting the above technical scheme, asphalt can be placed in the material hopper, and the material hopper can be placed and used by the mobile frame. At the same time, by using the discharge port at the bottom of the material hopper, the adapter and the discharge pipe, the asphalt can be delivered and used, and the delivered asphalt can be spread by the scraper leveling assembly. At the same time, with the use of the steering adjustment mechanism, the discharge pipe can be supported and limited at different angles, and through the sliding connection between the scraper body and the connecting plate in the scraper leveling assembly, the scraper body can be adjusted to slide laterally according to usage requirements.

[0010] Preferably, the sliding block is slidably connected to the semi-ring frame, a docking groove engaged with the discharge pipe is provided on the top of the sliding block, and a locking bolt for abutting and fixing the sliding block to the semi-ring frame is threadedly connected on one side of the sliding block.

[0011] By adopting the above technical solution, the discharge pipe can be limitedly supported by the sliding block, and the use position of the sliding block can be slidably adjusted on the semi-ring frame by adjusting the tightness of the locking bolt.

[0012] Preferably, the scraper leveling assembly also includes two groups of transmission seats fixedly installed on the inner side of the movable support foot, a connecting beam is slidably connected between the two groups of transmission seats, and the outer side of the connecting beam is bolted to the connecting plate, and a transmission screw is rotatably connected inside the transmission seat and is driven by the connecting beam screw.

[0013] By adopting the above technical solution, the connecting beam can be driven to be raised and lowered between the transmission seats by rotating the transmission screw.

[0014] Preferably, two groups of limiting sliding grooves are provided inside the connecting plate, and a connecting rod slidably connected to the two groups of limiting sliding grooves is provided on one side of the scraper body, and the outer ends of the two groups of connecting rods are threadedly connected with locking nuts.

[0015] By adopting the above technical solution, the scraper body slidably connected to the outer side of the connecting plate can be fixed for use by tightening the locking nut.

[0016] Preferably, a switch valve is installed on the top of the discharge port, the discharge pipe is installed obliquely, the discharge port is threadedly connected to the adapter, and the discharge port and the adapter are detachable.

[0017] By adopting the above technical solution, the discharge port can be controlled by the switch valve to discharge the material outward.

[0018] Preferably, a plurality of groups of support cross bars for supporting the material hopper are equidistantly arranged at the bottom of the containing chamber, and a gap for a discharge pipe to pass through is provided between two groups of support cross bars.

[0019] By adopting the above technical solution, multiple groups of supporting cross bars can provide bottom support for the material hopper placed inside the containing cavity, and the discharge port and discharge pipe at the bottom of the material hopper can pass through the bottom of the containing cavity.

[0020] Preferably, buffer ejection mechanisms are provided on both sides of the top of the movable frame, and the buffer ejection mechanisms include two groups of placement grooves opened on both sides of the top of the containing cavity, and electric push rods and multiple groups of damping spring shock absorbers are fixedly installed inside the two groups of placement grooves.

[0021] By adopting the above technical solution, a plurality of groups of damping spring shock absorbers can be provided to provide buffering for the placement and use of the material hopper, and the material hopper inside the containing cavity can be ejected by extending the electric push rod.

[0022] (III) Beneficial effects

[0023] The present application provides an asphalt paver for road traffic engineering maintenance. The beneficial effects are as follows:

[0024] 1. The asphalt paver for road traffic engineering maintenance can adjust the use angle of the discharge pipe by rotating the discharge pipe at the discharge port at the bottom of the material hopper and cooperating with the setting of the steering adjustment mechanism at the bottom of the mobile frame, and the outer end of the discharge pipe can be extended out of the bottom of the mobile frame for use. At the same time, through the sliding connection between the scraper body and the connecting plate in the scraper leveling assembly at the bottom of the mobile frame, one side of the scraper body can also be extended out of the bottom of the mobile frame for use, thereby facilitating the staff to conveniently repair the cracks generated on the roadside, thereby improving the applicability of the device in use.

[0025] 2. The asphalt paver for road traffic engineering maintenance can provide buffering for the placement and use of the material bucket by setting the buffer ejection mechanism on both sides of the top of the mobile frame, that is, using multiple groups of damping spring shock absorbers in the placement groove, and by setting the electric push rod in the placement groove, the material bucket can be pushed out by the electric push rod, which is convenient for the staff to dismantle, replace and clean the material bucket. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] In order to more clearly illustrate the implementation scheme of the utility model or the technical scheme in the prior art, the drawings required for use in the implementation scheme or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some implementation schemes of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.

[0027] Figure 1 This is a schematic diagram of the overall appearance structure of this application;

[0028] Figure 2 This is a schematic diagram of the main structure of the mobile frame of this application;

[0029] Figure 3 This is a schematic diagram of the appearance structure of the mobile frame of this application;

[0030] Figure 4 This is a schematic diagram of the material hopper appearance structure of this application;

[0031] Figure 5 This is a schematic diagram of the main appearance structure when the scraper body of the present application is connected to the connecting plate;

[0032] Figure 6 This is a schematic diagram of the back view of the appearance structure of the scraper body and the connecting plate of the present application when connected.

[0033] In the figure: 1. Mobile frame; 101. Holding chamber; 102. Support cross bar; 110. Mobile support foot; 2. Material hopper; 201. Cavity; 202. Side block; 203. Discharge port; 204. Switch valve; 205. Adapter; 206. Discharge pipe; 3. Scraper flattening assembly; 301. Transmission seat; 302. Transmission screw; 310. Connecting beam; 320. Connecting plate; 321. Limiting slide groove; 330. Scraper body; 331. Connecting rod; 332. Locking nut; 4. Steering adjustment mechanism; 401. Semi-ring frame; 402. Sliding block; 403. Locking bolt; 5. Buffer ejection mechanism; 501. Placement groove; 510. Damping spring shock absorber; 520. Electric push rod. DETAILED DESCRIPTION

[0034] The present application is further described in detail below through drawings and examples.

[0035] Reference Figures 1 to 6 The embodiment of the present application provides an asphalt paving vehicle for road traffic engineering maintenance, including a mobile frame 1 and a material bucket 2, the mobile frame 1 including a containing cavity 101 and a plurality of groups of mobile legs 110, the mobile frame 1 is provided with a containing cavity 101 for containing the material bucket 2, the material bucket 2 includes a cavity 201 and a side block 202 fixedly connected, a discharge port 203 and an adapter 205 are connected through one side of the bottom surface of the cavity 201, a discharge pipe 206 is rotatably connected to the bottom of the adapter 205, a steering adjustment mechanism 4 for providing support and limitation for the discharge pipe 206 is provided on one side of the bottom of the mobile frame 1, and a scraper leveling assembly 3 for asphalt paving is provided on the other side of the bottom of the mobile frame 1, the steering adjustment mechanism 4 includes a sliding block 402 for providing support for the discharge pipe 206 and a semi-ring frame 401 fixedly connected to the two groups of mobile legs 110, the scraper leveling assembly 3 includes a scraper body 330 and a connecting plate 330 connected in a sliding manner 320, the asphalt material used for road maintenance and patching after heating can be stored through the material hopper 2, and the device can be moved by towing the mobile frame 1. In this process, the asphalt can be delivered through the discharge port 203 at the bottom of the material hopper 2, the adapter 205 and the discharge pipe 206, and the discharge pipe 206 can be used to support and limit the discharge pipe 206 at different angles in combination with the steering adjustment mechanism 4 on the bottom side of the mobile frame 1 (that is, the sliding block 402 and the semi-ring frame 401), and the outer end of the discharge pipe 206 can be extended out of the bottom of the mobile frame 1 for use, and through the sliding connection between the scraper body 330 and the connecting plate 320 in the scraper flattening assembly 3 on the bottom side of the mobile frame 1, one side of the scraper body 330 can also be extended out of the bottom of the mobile frame 1 for use, so as to cooperate with the discharge pipe 206 to conveniently repair and maintain the cracks on the roadside.

[0036] Reference Figure 1 , Figure 2 and Figure 4 In one aspect of the present embodiment, the sliding block 402 is slidably connected to the semi-ring frame 401, a docking groove engaged with the discharge pipe 206 is provided on the top of the sliding block 402, and a locking bolt 403 is threadedly connected to one side of the sliding block 402 for abutting and fixing the semi-ring frame 401.

[0037] A switch valve 204 is installed on the top of the discharge port 203, and the discharge pipe 206 is installed obliquely. The discharge port 203 is threadedly connected to the adapter 205, and the discharge port 203 and the adapter 205 are detachable. When the device is in use, the switch valve 204 can be used to control the asphalt to pass through the discharge port 203, and the discharge port 203 is threadedly connected to the adapter 205, which can facilitate the staff to remove, clean and replace the adapter 205 and the discharge pipe 206. At the same time, the top docking groove of the sliding block 402 fits with the bottom of the discharge pipe 206, which can provide support for the use of the discharge pipe 206, and the locking bolt 403 can be adjusted by tightening and then sliding the sliding block 402 on the semi-ring frame 401 to adjust the use position and angle of the discharge pipe 206.

[0038] Reference Figure 1 , Figure 5 and Figure 6 In one aspect of the present embodiment, the scraper leveling assembly 3 also includes two sets of transmission seats 301 fixedly installed on the inner side of the movable support foot 110, a connecting beam 310 is slidably connected between the two sets of transmission seats 301, and the outer side of the connecting beam 310 is bolted to the connecting plate 320, and a transmission screw 302 that is screw-driven by the connecting beam 310 is rotatably connected inside the transmission seat 301, one end of the bottom of the transmission screw 302 passes through the transmission seat 301, and a handle is fixedly connected to one end of the transmission screw 302 that passes through the transmission seat 301.

[0039] Two groups of limiting grooves 321 are provided inside the connecting plate 320, and a connecting rod 331 slidably connected to the two groups of limiting grooves 321 is provided on one side of the scraper body 330, and the outer ends of the two groups of connecting rods 331 are threadedly connected with locking nuts 332. When the device is in use, the scraper body 330 can be driven to pave the asphalt-filled road gap surface through the traction movement of the mobile frame 1, and in this process, by rotating the handle, the transmission screw 302 can be driven to rotate synchronously, so as to adjust the lifting and lowering of the connecting beam 310 (and then adjust the use height of the scraper body 330), and by adjusting the tightness of the locking nut 332, the use position of the scraper body 330 outside the connecting plate 320 can be slidingly adjusted.

[0040] Reference Figure 3 and Figure 4 In one aspect of the present embodiment, a plurality of groups of support cross bars 102 for supporting the material hopper 2 are equidistantly arranged at the bottom of the containing chamber 101, and a gap for allowing the discharge pipe 206 to pass through is provided between the two groups of support cross bars 102. When the present device is in use, the material hopper 2 can be supported inside the containing chamber 101 by the plurality of support cross bars 102, and the discharge port 203 at the bottom of the material hopper 2 and the discharge pipe 206 can pass through the bottom of the containing chamber 101.

[0041] Reference Figure 3 In one aspect of the present embodiment, a buffer ejection mechanism 5 is provided on both sides of the top of the mobile frame 1. The buffer ejection mechanism 5 includes two groups of placement grooves 501 opened on both sides of the top of the containing chamber 101. Electric push rods 520 and multiple groups of damping spring shock absorbers 510 are fixedly installed inside the two groups of placement grooves 501. When the present device is in use, the electric push rods 520 and multiple groups of damping spring shock absorbers 510 can be placed and used through the placement grooves 501. When the device is in use, the placement and use of the material bucket 2 can be buffered by the multiple groups of damping spring shock absorbers 510. After the device is used, the material bucket 2 placed inside the containing chamber 101 can be ejected by extending the telescopic end of the electric push rod 520, so that the staff can take out, clean and replace the material bucket 2.

[0042] All electrical equipment in this solution are powered by an external power supply.

[0043] Working principle: When the asphalt paver for road traffic engineering maintenance is in use, the device should first be moved and placed in the desired position, and the material bucket 2 containing the heated asphalt material should be placed in the containing chamber 101 of the mobile frame 1. In this process, the multiple groups of damping spring shock absorbers 510 in the buffer ejection mechanism 5 on both sides of the top of the mobile frame 1 can provide buffering for the placement and use of the material bucket 2, and the steering adjustment mechanism 4 on one side of the bottom of the mobile frame 1 (that is, the coordinated use of the sliding block 402, the semi-ring frame 401 and the locking bolt 403) is set, and the locking bolt 403 is adjusted by loosening and tightening the locking bolt 403, and then the sliding block 402 is slid on the semi-ring frame 401. The use position and angle of the discharge pipe 206 are adjusted to complete the preparatory work before the use of the device. During use, by opening the switch valve 204 at the discharge port 203 and then pulling and displacing the mobile frame 1, the asphalt will be delivered from the outer end of the discharge pipe 206, and filled into the road surface maintenance and patching area as the mobile frame 1 moves, and by setting the scraper leveling assembly 3 on the other side of the mobile frame 1 (that is, the coordinated use of the transmission seat 301, the connecting beam 310, the connecting plate 320 and the scraper body 330), the delivered asphalt can be spread. In this process, the use height of the scraper body 330 can be adapted and adjusted by rotating the transmission screw 302 according to the use requirements, and by adjusting the tightness of the locking nut 332, the use position of the scraper body 330 at the bottom of the mobile frame 1 can also be adapted and adjusted by pulling the scraper body 330.

[0044] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0045] Although the embodiments of the present application have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present application, and that the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. An asphalt paving vehicle for road traffic engineering maintenance, comprising a mobile frame (1) and a material hopper (2), the mobile frame (1) comprising a containing cavity (101) and a plurality of groups of movable legs (110), the mobile frame (1) being provided with a containing cavity (101) for containing the material hopper (2), characterized in that: The material hopper (2) comprises a cavity (201) and a side block (202) which are fixedly connected, a discharge port (203) and an adapter (205) are connected through one side of the bottom surface of the cavity (201), a discharge pipe (206) is rotatably connected to the bottom of the adapter (205), a steering adjustment mechanism (4) for providing support and position limitation for the discharge pipe (206) is arranged on one side of the bottom of the mobile frame (1), and a scraper leveling assembly (3) for asphalt paving is arranged on the other side of the bottom of the mobile frame (1), the steering adjustment mechanism (4) comprises a sliding block (402) for providing support for the discharge pipe (206) and a semi-ring frame (401) fixedly connected to two sets of mobile legs (110), and the scraper leveling assembly (3) comprises a scraper body (330) and a connecting plate (320) which are slidably connected.

2. The asphalt paving vehicle for road traffic engineering maintenance according to claim 1, characterized in that: The sliding block (402) is slidably connected to the semi-ring frame (401), a docking groove engaged with the discharge pipe (206) is provided on the top of the sliding block (402), and a locking bolt (403) for contacting and fixing the semi-ring frame (401) is threadedly connected to one side of the sliding block (402).

3. The asphalt paving vehicle for road traffic engineering maintenance according to claim 2, characterized in that: The scraper flattening assembly (3) further comprises two sets of transmission seats (301) fixedly mounted on the inner side of the movable support foot (110), a connecting beam (310) being slidably connected between the two sets of transmission seats (301), the outer side of the connecting beam (310) being bolted to the connecting plate (320), and a transmission screw (302) which is rotatably connected to the inside of the transmission seat (301) and is driven by the screw of the connecting beam (310).

4. The asphalt paving vehicle for road traffic engineering maintenance according to claim 3, characterized in that: Two groups of limiting sliding grooves (321) are provided inside the connecting plate (320), and a connecting rod (331) slidably connected to the two groups of limiting sliding grooves (321) is provided on one side of the scraper body (330), and the outer ends of the two groups of connecting rods (331) are both threadedly connected with locking nuts (332).

5. The asphalt paving vehicle for road traffic engineering maintenance according to claim 1, characterized in that: A switch valve (204) is installed on the top of the discharge port (203), the discharge pipe (206) is installed obliquely, the discharge port (203) is threadedly connected to the adapter (205), and the discharge port (203) and the adapter (205) are detachably arranged.

6. The asphalt paving vehicle for road traffic engineering maintenance according to claim 1, characterized in that: A plurality of groups of support cross bars (102) for supporting the material hopper (2) are equidistantly arranged at the bottom of the containing chamber (101), and a gap is provided between two groups of support cross bars (102) for a discharge pipe (206) to pass through.

7. The asphalt paving vehicle for road traffic engineering maintenance according to claim 6, characterized in that: The two sides of the top of the moving frame (1) are provided with a buffer ejection mechanism (5), and the buffer ejection mechanism (5) comprises two groups of placement grooves (501) opened on the two sides of the top of the containing cavity (101), and the two groups of placement grooves (501) are fixedly installed with electric push rods (520) and multiple groups of damping spring shock absorbers (510) inside.

Citation Information

Patent Citations

  • Asphalt paving construction tool

    CN218454323U