Telescopic pouring type shaftless spiral asphalt paving device

Abstract

The utility model relates to the technical field of asphalt paving equipment, in particular to a telescopic pouring type asphalt shaftless spiral paving device which comprises a paving vehicle, the paving vehicle comprises a carriage, a stirring mechanism is fixedly connected in the carriage, a telescopic driving mechanism is fixedly connected to the rear end wall of the carriage, the telescopic driving mechanism comprises a frame, and the frame is fixedly connected with the stirring mechanism. Two fixing frames are symmetrically fixed to the top face of the frame, the other ends of the two fixing frames are fixedly connected with the rear end wall of the compartment, and a shaftless spiral paving mechanism is fixedly connected to the bottom face of the frame. According to the utility model, the spiral directions of the left spiral blade and the right spiral blade of the main spiral blade are opposite, so that the rotating main spiral blade can be used for uniformly paving an asphalt paving material on a road surface. Through cooperative arrangement of the telescopic shell, the first cylinder, the second cylinder, the main spiral blade, the auxiliary spiral blade, the hydraulic telescopic rod and the telescopic scraping plate, pavements with different widths can be paved, disassembly and assembly are convenient, and the working efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of asphalt paving equipment, in particular to a telescopic pouring asphalt shaftless spiral paving device. Background Art

[0002] With the rapid development of transportation infrastructure construction, the paving work of highways and other roads has higher and higher requirements for construction quality and technology. Among them, the construction quality and efficiency of asphalt pavement are particularly critical. In the traditional asphalt paving process, a shaft spiral paver is usually used for operation. This method has some problems, and asphalt material accumulation and uneven distribution may occur;

[0003] Moreover, the size of traditional pavers is fixed. When faced with roads of different widths, traditional devices are often difficult to adapt and cannot cover the entire road surface. They often require secondary paving or manual re-paving, which consumes a lot of labor and has low construction efficiency. Therefore, developing an asphalt paving device that can adapt to different construction needs and improve paving quality and efficiency has become an important demand of the current industry. Utility Model Content

[0004] The purpose of the utility model is to provide a telescopic pouring asphalt shaftless spiral paving device to solve the problems raised in the above background technology.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] A telescopic pouring asphalt shaftless spiral paving device comprises a paving vehicle, the paving vehicle comprises a carriage, a stirring mechanism is fixedly connected to the interior of the carriage, a telescopic drive mechanism is fixedly connected to the rear end wall of the carriage, the telescopic drive mechanism comprises a frame, two fixing frames are symmetrically fixed to the top surface of the frame, the other ends of the two fixing frames are fixedly connected to the rear end wall of the carriage, the shaftless spiral paving mechanism is fixedly connected to the bottom surface of the frame, a plurality of connecting plates are fixedly connected to the bottom surface of the frame, and telescopic scrapers are fixedly connected between the plurality of connecting plates.

[0007] Furthermore, the shaftless spiral paving mechanism includes a shell, a main spiral blade and a plurality of auxiliary spiral blades, the shell is retractable, the inner walls at both ends of the shell are rotatably connected to cylinder one, the outer wall at one end of the shell is fixedly connected to motor one, the motor shaft of motor one is transmission-connected to cylinder one at one end, the left and right ends of the main spiral blade are fixedly connected to cylinder two, a plug-in block is provided at the end of cylinder one, a plug-in hole is provided at the end of cylinder two, and the plug-in block and the plug-in hole are plug-connected and fixed.

[0008] Furthermore, one end of the auxiliary helical blade is fixedly connected to cylinder 1, and the other end of the auxiliary helical blade is fixedly connected to cylinder 2.

[0009] Furthermore, assemblies are fixedly connected between the two ends of the shell and the two ends of the telescopic scraper, the opposite side walls of the two assemblies are fixedly connected with hydraulic telescopic rods, the other ends of the two hydraulic telescopic rods are fixedly connected with square plates, and the top surfaces of the two square plates are fixedly connected to the bottom surface of the frame.

[0010] Furthermore, the stirring mechanism includes a base, the bottom surface of the base is in contact with the inner bottom surface of the carriage, the top surface of the base is symmetrically fixed with two side frames, a circular ring is fixedly connected between the two side frames, a stirring drum is rotatably connected inside the circular ring, a sleeve is fixedly provided on the outer wall of the stirring drum, the outer arc surface of the sleeve is rotatably connected to the inner arc surface of the circular ring, a gear ring is fixedly provided on the side wall of the sleeve, a motor 2 is fixedly provided on the outer wall of the circular ring, a gear is transmission-connected to the motor shaft of the motor 2, the gear and the gear ring are meshed for transmission, a discharging port is provided at one end of the stirring drum close to the telescopic driving mechanism, and a feeding port is provided at one end of the stirring drum away from the telescopic driving mechanism.

[0011] Furthermore, a discharge port of the mixing drum and the top surface of the frame are connected with a discharge pipe, and an electromagnetic valve is sleeved and fixed on the outer wall of the discharge pipe.

[0012] Preferably, the inner wall of the mixing drum is provided with a plurality of groups of spiral mixing blades.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] 1. A shell is provided, and a main spiral blade is rotatably connected inside the shell, and the spiral blades on the left and right sides of the main spiral blade have opposite rotation directions. A strip groove is provided at the bottom of the shell, so that the driving motor can make the rotating main spiral blade spread the asphalt paving material evenly on the road surface.

[0015] Through the coordinated arrangement of the telescopic shell, cylinder one, cylinder two, main spiral blades, auxiliary spiral blades, hydraulic telescopic rods and telescopic scrapers, the device can pave roads of different widths, saving the time spent on manual paving. The shell, main spiral blades and auxiliary spiral blades are easy to disassemble and assemble, thereby improving work efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a schematic diagram of the overall structure of a telescopic pouring asphalt shaftless spiral paving device of the utility model;

[0017] Figure 2It is a schematic diagram of the combined structure of the telescopic drive mechanism, the shaftless spiral paving mechanism and the telescopic scraper in the utility model;

[0018] Figure 3 It is a schematic diagram of the bottom structure of the telescopic drive mechanism in the utility model;

[0019] Figure 4 This is a schematic diagram of the structure of the shaftless spiral paving mechanism in the utility model;

[0020] Figure 5 This is a schematic diagram of the structure of the auxiliary spiral blade in the utility model;

[0021] Figure 6 It is a schematic diagram of the stirring mechanism structure in the utility model.

[0022] In the figure: 100, paving vehicle; 110, carriage; 200, telescopic drive mechanism; 210, frame; 211, fixed frame; 212, connecting plate; 213, square plate; 220, hydraulic telescopic rod; 230, assembly; 300, shaftless spiral paving mechanism; 310, shell; 311, cylinder one; 312, cylinder two; 313, plug-in block; 314, plug-in hole; 320, main spiral blade; 330, auxiliary spiral blade; 340, motor one; 400, stirring mechanism; 410, base; 411, side frame; 412, ring; 420, stirring drum; 421, sleeve ring; 422, gear ring; 423, feeding port; 430, motor two; 431, gear; 440, discharge pipe; 441, solenoid valve; 500, telescopic scraper. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0024] See also Figures 1 to 6In an embodiment of the utility model, a telescopic pouring asphalt shaftless spiral paving device includes a paving vehicle 100, and the paving vehicle 100 includes a carriage 110. The interior of the carriage 110 is fixedly connected with a stirring mechanism 400, and the rear end wall of the carriage 110 is fixedly connected with a telescopic driving mechanism 200. The telescopic driving mechanism 200 includes a frame 210. Two fixing frames 211 are symmetrically fixed on the top surface of the frame 210, and the other ends of the two fixing frames 211 are fixedly connected to the rear end wall of the carriage 110. The bottom surface of the frame 210 is fixedly connected with a shaftless spiral paving mechanism 300, and the bottom surface of the frame 210 is fixedly connected with a plurality of connecting plates 212, and a telescopic scraper 500 is fixedly connected between the plurality of connecting plates 212.

[0025] Specifically, the driver drives the paving vehicle 100 to transfer the device to the paving section. A stirring mechanism 400 loaded with asphalt paving materials is placed in advance inside the carriage 110. The discharge amount of the stirring mechanism 400 and the forward speed of the paving vehicle 100 are adjusted. The shaftless spiral paving mechanism 300 is started while the stirring mechanism 400 is discharging materials, so that the asphalt can be evenly spread on the road surface. The retractable scraper 500 is located behind the shaftless spiral paving mechanism 300, which will scrape the spread asphalt to avoid asphalt accumulation.

[0026] Embodiment 1

[0027] like Figure 4 As shown, in the present embodiment, the shaftless spiral paving mechanism 300 includes a shell 310, a main spiral blade 320 and a plurality of auxiliary spiral blades 330, the shell 310 is retractable, the inner walls at both ends of the shell 310 are rotatably connected with a cylinder 1 311, the outer wall at one end of the shell 310 is fixedly connected with a motor 1 340, the motor shaft of the motor 1 340 is transmission-connected with the cylinder 1 311 at one end, the left and right ends of the main spiral blade 320 are fixedly connected with a cylinder 2 312, a plug-in block 313 is provided at the end of the cylinder 1 311, a plug-in hole 314 is provided at the end of the cylinder 2 312, the plug-in block 313 and the plug-in hole 314 are plugged and fixed, the left and right sides of the main spiral blade 320 have opposite rotation directions, and a strip groove is provided at the bottom of the shell 310.

[0028] In this embodiment, the plug block 313 and the plug hole 314 are fixedly connected by bolts, and the main spiral blade 320 is a shaftless design, so that the material is not easy to adhere to or clog the spiral body, and the left and right spiral blades of the main spiral blade 320 have opposite rotation directions. A strip groove is provided at the bottom of the shell 310, so that when the asphalt paving material falls into the shell 310, the motor shaft of the driving cylinder 311 is transmitted to the cylinder 311 connected thereto, so that the rotating main spiral blade 320 will transport the asphalt paving material to both ends respectively, so that the asphalt paving material will be spread from the strip groove to the road surface along the conveying route, and will be scraped flat by the telescopic scraper 500 following behind.

[0029] like Figure 1 and Figure 6 As shown, in this embodiment, the stirring mechanism 400 includes a base 410, the bottom surface of the base 410 is in contact with the inner bottom surface of the carriage 110, and two side frames 411 are symmetrically fixed to the top surface of the base 410, and a ring 412 is fixedly connected between the two side frames 411, and a stirring drum 420 is rotatably connected inside the ring 412. A sleeve 421 is sleeved and fixed on the outer wall of the stirring drum 420, and the outer arc surface of the sleeve 421 is rotatably connected to the inner arc surface of the ring 412, and a gear ring 422 is fixedly connected to the side wall of the sleeve 421, and the outer wall of the ring 412 A motor 2 430 is fixedly connected, and a motor shaft of the motor 2 430 is transmission-connected with a gear 431, and the gear 431 and the gear ring 422 are meshed for transmission. A discharge port is provided at one end of the mixing drum 420 close to the telescopic drive mechanism 200, and an inlet port 423 is provided at one end of the mixing drum 420 away from the telescopic drive mechanism 200. A discharge pipe 440 is connected between the discharge port of the mixing drum 420 and the top surface of the frame 210, and a solenoid valve 441 is fixedly sleeved on the outer wall of the discharge pipe 440, and a plurality of groups of spiral mixing blades are provided on the inner wall of the mixing drum 420.

[0030] During specific implementation, the materials required for asphalt paving are put into the mixing drum 420 from the feed inlet 423 in advance. The feed inlet 423 of the mixing drum 420 is facing upward, and the discharge port is facing downward in an inclined state, so that the asphalt paving material inside the mixing drum 420 is not easy to flow out from the feed inlet 423. The motor shaft of the driving motor 2 430 is transmitted to the gear 431, so that the gear 431 and the ring gear 422 are meshed and transmitted, so that the mixing drum 420 will rotate. The inner wall of the mixing drum 420 is provided with a plurality of groups of spiral stirring blades, so that the mixing drum 420 can mix and stir the asphalt paving material inside while rotating. The discharge pipe 440 is connected to the discharge port and the frame 210. The solenoid valve 441 is opened to transport the asphalt paving material in the mixing drum 420 to the frame 210, and then the asphalt paving material is evenly spread on the road surface through the transportation of the assembly 230.

[0031] Embodiment 2

[0032] On the basis of the first embodiment, in order to enable the device to pave roads of different widths.

[0033] like Figure 4-5 As shown, in this embodiment, the shaftless spiral paving mechanism 300 includes a plurality of auxiliary spiral blades 330, one end of the auxiliary spiral blade 330 is fixedly connected to a cylinder 1 311, and the other end of the auxiliary spiral blade 330 is fixedly connected to a cylinder 2 312, and assemblies 230 are fixedly connected between both ends of the shell 310 and both ends of the telescopic scraper 500, and the opposite side walls of the two assemblies 230 are fixedly connected to hydraulic telescopic rods 220, and the other ends of the two hydraulic telescopic rods 220 are fixedly connected to square plates 213, and the top surfaces of the two square plates 213 are fixedly connected to the bottom surface of the frame 210.

[0034] In a specific implementation, both ends of the shell 310 can be retracted and extended. When the road surface to be paved is wider than the initial length of the shell 310, one or both ends of the shell 310 can be extended according to the width of the road surface. First, the bolts used for fixing between the cylinder 1 311 at the end of the shell 310 and the cylinder 2 312 at the end of the main spiral blade 320 are removed, and the hydraulic telescopic rod 220 is driven to extend and push the assembly 230, so that the two ends of the shell 310 are stretched and expanded. The number of additional auxiliary spiral blades 330 is selected according to the expanded length, and the auxiliary spiral blades 330 are added. The cylinder 1 311 at the end of 330 and the cylinder 2 312 at the end of the main spiral blade 320 are correspondingly plugged in and fixed by bolts, and then the cylinder 2 312 at the end of the auxiliary spiral blade 330 and the cylinder 1 311 at the end of the shell 310 are correspondingly plugged in and fixed by bolts. At this time, the total length of the shell 310 and the paving area become wider. At the same time, the telescopic scraper 500 and the shell 310 are fixed together by the assembly 230, so that the telescopic scraper 500 will change synchronously with the extension and contraction of the shell 310 to scrape the asphalt paving material spread on the road surface.

[0035] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

[0036] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. A telescopic pouring asphalt shaftless spiral paving device, comprising a paving vehicle (100), characterized in that: The paving vehicle (100) comprises a carriage (110), a stirring mechanism (400) is fixedly connected inside the carriage (110), a telescopic drive mechanism (200) is fixedly connected to the rear end wall of the carriage (110), the telescopic drive mechanism (200) comprises a frame (210), two fixing frames (211) are symmetrically fixed to the top surface of the frame (210), the other ends of the two fixing frames (211) are fixedly connected to the rear end wall of the carriage (110), a shaftless spiral paving mechanism (300) is fixedly connected to the bottom surface of the frame (210), a plurality of connecting plates (212) are fixedly connected to the bottom surface of the frame (210), and a telescopic scraper (500) is fixedly connected between the plurality of connecting plates (212).

2. The telescopic pouring asphalt shaftless spiral paving device according to claim 1 is characterized in that: The shaftless spiral paving mechanism (300) comprises a shell (310), a main spiral blade (320) and a plurality of auxiliary spiral blades (330); the shell (310) is retractable; the inner walls at both ends of the shell (310) are rotatably connected to a cylinder one (311); the outer wall at one end of the shell (310) is fixedly connected to a motor one (340); the motor shaft of the motor one (340) is transmission-connected to the cylinder one (311) at one end; the left and right ends of the main spiral blade (320) are fixedly connected to a cylinder two (312); a plug-in block (313) is provided at the end of the cylinder one (311); a plug-in hole (314) is provided at the end of the cylinder two (312); the plug-in block (313) and the plug-in hole (314) are plugged and fixed; the left and right spiral blades of the main spiral blade (320) have opposite rotation directions; and a strip groove is provided at the bottom of the shell (310).

3. The telescopic pouring asphalt shaftless spiral paving device according to claim 2 is characterized in that: One end of the auxiliary helical blade (330) is fixedly connected to cylinder one (311), and the other end of the auxiliary helical blade (330) is fixedly connected to cylinder two (312).

4. The telescopic pouring asphalt shaftless spiral paving device according to claim 2, characterized in that: An assembly (230) is fixedly connected between the two ends of the housing (310) and the two ends of the telescopic scraper (500); the opposite side walls of the two assemblies (230) are fixedly connected to hydraulic telescopic rods (220); the other ends of the two hydraulic telescopic rods (220) are fixedly connected to square plates (213); and the top surfaces of the two square plates (213) are fixedly connected to the bottom surface of the frame (210).

5. The telescopic pouring asphalt shaftless spiral paving device according to claim 1, characterized in that: The stirring mechanism (400) comprises a base (410), the bottom surface of the base (410) being in contact with the inner bottom surface of the carriage (110), the top surface of the base (410) being symmetrically fixed with two side frames (411), a circular ring (412) being fixedly connected between the two side frames (411), a stirring drum (420) being rotatably connected inside the circular ring (412), a sleeve ring (421) being sleeved and fixed on the outer wall of the stirring drum (420), an outer arc surface of the sleeve ring (421) and an inner arc surface of the circular ring (412) being rotatably connected inside the circular ring (412), The side wall of the sleeve ring (421) is fixedly connected to a gear ring (422), the outer wall of the circular ring (412) is fixedly connected to a second motor (430), the motor shaft of the second motor (430) is transmission-connected to a gear (431), the gear (431) and the gear ring (422) are meshed for transmission, an outlet is provided at one end of the mixing drum (420) close to the telescopic drive mechanism (200), and an inlet (423) is provided at one end of the mixing drum (420) away from the telescopic drive mechanism (200).

6. The telescopic pouring asphalt shaftless spiral paving device according to claim 5, characterized in that: A discharge pipe (440) is connected between the discharge port of the mixing drum (420) and the top surface of the frame (210), and a solenoid valve (441) is sleeved and fixed on the outer wall of the discharge pipe (440).

7. The telescopic pouring asphalt shaftless spiral paving device according to claim 5, characterized in that: The inner wall of the mixing drum (420) is provided with a plurality of groups of spiral mixing blades.

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