CN214656142U - Sand spreading device for asphalt pavement - Google Patents

Abstract

The utility model relates to a sanding device technical field especially relates to a bituminous paving sanding device, top fixedly connected with roof-rack including the side bearer to the top fixedly connected with of roof-rack stores up the sand hopper, the discharge gate that stores up the sand hopper extends to the inside of sanding device body, the inside top of sanding device body is provided with the screen bucket. The utility model discloses a one side fixedly connected with sanding device body of side bearer, the top fixedly connected with roof-rack of side bearer, can be with falling into this internal sanding device that spills after screening treatment from the grit that sand storage hopper came out, avoid large granule impurity in the grit to get into this internal adverse effect that produces the device operation of sanding device, go out sand mouth department through setting up at sanding device body and set up the fan, can make sand mouth department form to the wind pressure in the bent pipe, thereby the raise dust that causes when will sanding the construction is collected in leading-in first dust bag of wind pressure, construction site environment is improved, help the construction to go on.

Description

Sand spreading device for asphalt pavement

Technical Field

The utility model relates to a sanding device technical field especially relates to a bituminous paving sanding device.

Background

The asphalt mastic broken stone mixture (SMA for short) is an asphalt mixture formed by filling the gap of a coarse aggregate skeleton in discontinuous gradation with asphalt mastic binder composed of asphalt, fiber stabilizer, mineral powder and a small amount of fine aggregate, the SMA asphalt pavement has the characteristics of high-temperature rutting resistance, low-temperature crack resistance, fatigue durability, water damage resistance, skid resistance and the like, and the use amount of the asphalt of the SMA mixture is much higher than that of the common asphalt mixture, so that the surface oil film is thicker after the construction of the SMA pavement is finished, the skid resistance of the pavement is poorer in the initial stage of traffic, the running safety of an automobile is directly influenced, the skid resistance of the SMA pavement can obtain better skid resistance when the surface oil film is exposed out of the surface after the automobile tire is worn to a certain degree after six months of traffic, and in order to improve the initial skid resistance of the SMA pavement, after the pavement surface layer of the SMA pavement is paved and rolled, the surface temperature is 40-60 degrees, 1-3 mm of fine sand is spread on the SMA road surface, the fine sand is clean and has no powder spreading amount of 0.5-1.0 kg/square meter, and a double-steel-wheel road roller is adopted for rolling for 2-4 times, so that the initial skid resistance of the SMA road surface is improved through a sanding process.

Among the prior art, the dust of road surface construction sanding device in the sanding work progress gravel is along with the gravel spills and is spread apart, cause the influence to job site construction environment, be unfavorable for constructor's construction operation, the gravel that current sanding device packed into simultaneously easily sneaks into large granule impurity, the large granule can not spill out when sanding mechanism sanding and holds back the accumulation on the swing round pin of sanding mechanism, influence sanding effect, need in time to shut down the machine and clear up, influence the efficiency of construction.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a bituminous paving sanding device.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides an asphalt pavement sanding device, includes the side bearer, one side fixedly connected with sanding device body of side bearer, the top fixedly connected with roof-rack of side bearer to the top fixedly connected with sand storage hopper of roof-rack, sand storage hopper's discharge gate extends to the inside of sanding device body, the inside top of sanding device body is provided with the screen hopper to the bottom fixedly connected with vibrating motor of screen hopper, the bottom fixedly connected with return bend of side bearer one side is kept away from to sanding device body to the bottom fixedly connected with fan of return bend, the top intercommunication of return bend has first dust bag.

Preferably, one side of the screening hopper is provided with a coarse material outlet, and one side of the sanding device is provided with a through groove matched with the coarse material outlet.

Preferably, the through notch is communicated with a second dust collecting bag, and the middle part of one side of the sanding device body is fixedly connected with a first bracket.

Preferably, the bottom of the first bracket is fixedly connected with a second bracket, and the first dust collection bag is supported and fixed through the second bracket.

Preferably, the both sides of sieve fill all are provided with vibration support to the equal fixedly connected with in both sides of sanding device body inner wall and the fixed bearing of vibration support looks adaptation.

Preferably, the top of the sanding device body is communicated with a corrugated pipe, and the top end of the corrugated pipe is communicated with a discharge hole of the sand storage hopper.

Preferably, one side of each side frame and one side of each top frame are fixedly connected with connecting frames, and sand outlets of the sanding device body are fixedly connected with sand guide plates.

The utility model discloses possess following beneficial effect at least:

1. the sand spreading device comprises a sand spreading device body, a top frame, a sand storage hopper, a discharge port, a screen hopper, a vibrating motor, a bent pipe, a fan, a first dust collecting bag, a fan, a sand outlet and a sand outlet, wherein the sand spreading device body is fixedly connected to one side of a side frame, the top frame is fixedly connected to the top of the side frame, the sand storage hopper extends into the sand spreading device body, the screen hopper is arranged at the top of the sand spreading device body, the vibrating motor is fixedly connected to the bottom of the screen hopper, the bent pipe is fixedly connected to the bottom of the side frame, the bent pipe is connected to the bottom of the sand spreading device body, the bottom of the bent pipe is communicated with the first dust collecting bag, sand falls into the sand spreading device body after the sand outlet of the sand storage hopper is screened and is spread, large-particle impurities in the sand are prevented from entering the sand spreading device body and generating adverse effects on the operation of the sand spreading device, the fan is arranged at the sand outlet of the sand spreading device body, the wind pressure towards the bent pipe can be formed at the sand outlet, and the raised dust caused during sand construction can be guided into the first dust collecting bag through the wind pressure to be collected, the construction site environment is improved, and construction is facilitated;

2. one side through the screening hopper is provided with the coarse fodder export, the logical notch with coarse fodder export looks adaptation is seted up to one side of sanding device, it has the second to lead to notch intercommunication and receives the bag, the first bracket of middle part fixedly connected with of sanding device body one side, the bottom fixedly connected with second bracket of first bracket, first dust bag is fixed through the second bracket bearing, the top intercommunication of sanding device body has the bellows, the top of bellows is linked together with the discharge gate that stores up the sand hopper, can collect the large granule coarse fodder that the screening hopper sifted out in the leading-in second bag of coarse fodder export, guarantee the whole operation of screening hopper, the bellows seals between the feed inlet of sanding device body and the discharge gate that stores up the sand hopper, avoid the raise dust to escape from this department.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without any creative effort.

Fig. 1 is a front view of the structure of the present invention;

FIG. 2 is a partial sectional view of the internal structure of the sanding device body of the present invention;

fig. 3 is a partially enlarged view of a portion a in fig. 2 according to the present invention.

In the figure: 1. a side frame; 2. a sanding device body; 3. a top frame; 4. a sand storage hopper; 5. a screen bucket; 6. a vibration motor; 7. bending the pipe; 8. a fan; 9. a first dust collection bag; 10. a coarse material outlet; 11. a notch; 12. a second dust collection bag; 13. a first bracket; 14. a second bracket; 15. a vibration support; 16. a fixed support; 17. a bellows; 18. a connecting frame; 19. lead sand board.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Referring to fig. 1-3, an asphalt pavement sanding device comprises a side frame 1, a sanding device body 2 is fixedly connected to one side of the side frame 1, a top frame 3 is fixedly connected to the top of the side frame 1, a sand storage hopper 4 is fixedly connected to the top of the top frame 3, a discharge port of the sand storage hopper 4 extends into the sanding device body 2, a screen hopper 5 is arranged at the top of the inside of the sanding device body 2, a vibrating motor 6 is fixedly connected to the bottom of the screen hopper 5, a bent pipe 7 is fixedly connected to the bottom of the sanding device body 2, far away from one side of the side frame 1, a fan 8 is fixedly connected to the bottom of the bent pipe 7, and a first dust collection bag 9 is communicated with the top end of the bent pipe 7.

The scheme has the following working processes:

connect to pull by traction machinery draw gear behind the machinery through link 18 and move ahead, open and store up 4 unloading valves of sand hopper after the gravel drop get into in the sieve fill 5, carry out the excitation to sieve fill 5 by vibrating motor 6, fine grit gravel gets into in the sanding device body 2 through dropping, evenly spill out through sanding device body 2, fan 8 forms the wind pressure in sand outlet department, the dust that will raise is through inhaling in return bend 7 and the first dust bag 9 of receiving, reach the purpose of dust fall, coarse grit exports 10 through the coarse fodder and derives sieve fill 5, get into in the second dust bag 12.

Further, one side of the sieve hopper 5 is provided with a coarse material outlet 10, one side of the sanding device body 2 is provided with a through groove 11 matched with the coarse material outlet 10, and the through groove 11 is larger than the coarse material outlet 10 to provide a moving space for the coarse material outlet 10 along with the vibration of the sieve hopper 5.

Further, the through notch 11 is communicated with a second dust collecting bag 12, and a first bracket 13 is fixedly connected to the middle of one side of the sanding device body 2.

Further, the bottom of the first bracket 13 is fixedly connected with a second bracket 14, the first dust collecting bag 9 is supported and fixed by the second bracket 14, and the first bracket 13 is used for supporting the second dust collecting bag 12.

Further, the both sides of sieve fill 5 all are provided with vibration support 15 to the equal fixedly connected with in both sides of 2 inner walls of sanding device body and the fixed bearing 16 of 15 looks adaptations of vibration support, vibration support 15 provides vibration space for sieve fill 5.

Further, the top of sanding device body 2 communicates with bellows 17 to the top of bellows 17 is linked together with the discharge gate of sand storage hopper 4, and bellows 17 realizes sealing between sanding device body 2 feed inlet and the discharge gate of sand storage hopper 4, avoids the dust to escape from here.

Further, equal fixedly connected with link 18 in one side of side bearer 1 and roof-rack 3 to sand outlet department fixedly connected with of sanding device body 2 leads sand board 19, and link 18 is used for being connected with traction machine, leads sand board 19 and makes the gravel that comes out from sanding device body 2 sand outlet through leading sand board 19 landing, and the raise dust direction is towards fan 8 during the landing, strengthens the dust absorption effect of fan 8.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the principles of the present invention may be applied to any other embodiment without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims (7)

1. The utility model provides an asphalt pavement sanding device, includes side bearer (1), one side fixedly connected with sanding device body (2) of side bearer (1), its characterized in that, top fixedly connected with roof-rack (3) of side bearer (1) to the top fixedly connected with sand storage hopper (4) of roof-rack (3), the discharge gate of sand storage hopper (4) extends to the inside of sanding device body (2), the inside top of sanding device body (2) is provided with screen hopper (5) to the bottom fixedly connected with vibrating motor (6) of screen hopper (5), the bottom fixedly connected with return bend (7) of side bearer (1) one side are kept away from in sanding device body (2) to the bottom fixedly connected with fan (8) of return bend (7), the top intercommunication of return bend (7) has first dust bag (9).

2. An asphalt pavement sanding device according to claim 1, characterized in that one side of the screen bucket (5) is provided with a coarse material outlet (10), and one side of the sanding device body (2) is provided with a through slot (11) adapted to the coarse material outlet (10).

3. An asphalt pavement sanding device according to claim 2, characterized in that the through-slot opening (11) is communicated with a second dust collecting bag (12), and a first bracket (13) is fixedly connected to the middle of one side of the sanding device body (2).

4. An asphalt pavement sanding device according to claim 3, characterized in that a second bracket (14) is fixedly connected to the bottom of the first bracket (13), and the first dust collecting bag (9) is supported and fixed by the second bracket (14).

5. An asphalt pavement sanding device according to claim 1, characterized in that vibrating supports (15) are arranged on both sides of the screen bucket (5), and fixed supports (16) adapted to the vibrating supports (15) are fixedly connected to both sides of the inner wall of the sanding device body (2).

6. An asphalt pavement sanding device according to claim 1, characterized in that the top of the sanding device body (2) is communicated with a corrugated pipe (17), and the top end of the corrugated pipe (17) is communicated with the discharge hole of the sand storage hopper (4).

7. An asphalt pavement sanding device according to claim 1, characterized in that a connecting frame (18) is fixedly connected to one side of each of the side frame (1) and the top frame (3), and a sand guide plate (19) is fixedly connected to a sand outlet of the sanding device body (2).

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