CN104532727A - Hot material vertical lifting device for thermal regeneration of pavement - Google Patents

Abstract

The invention belongs to the technical field of highway engineering machinery, in particular to a hot material vertical lifting device for pavement thermal regeneration, which comprises a shell, wherein a spiral material returning device is arranged at the lower end of the shell, a scraper chain driving motor is arranged on the side wall of the upper part of the shell, a scraper chain wheel shaft is rotatably arranged on the upper part of an inner cavity of the shell, the output end of the scraper chain driving motor is axially connected with a scraper chain wheel through a coupler, a tensioner is also arranged on the side wall of the upper part of the shell, a driven chain wheel shaft is rotatably arranged on the lower part of the inner cavity of the shell, a conveying transmission plate chain is arranged on the scraper chain wheel shaft, the driven chain wheel shaft and an adjusting shaft of the tensioner in a tensioning manner; the upper part of the machine shell is provided with a discharge hole. The product of the invention has simple and reasonable structure, and can lift the asphalt mixture on the ground to a certain height and disperse the asphalt mixture in the working process so as to achieve the purpose of lifting the asphalt mixture.

Description

Hot material vertical lifting device for thermal regeneration of pavement

technical field

The invention belongs to the technical field of road engineering machinery, in particular to a thermal material vertical lifting device for thermal regeneration of road surfaces.

Background technique

On-site thermal regeneration of pavement, whether it is imported equipment or domestic equipment, there is a common problem: the heating temperature of the old asphalt mixture and the working efficiency of the equipment, that is, the production efficiency of the on-site thermal regeneration equipment.

The current on-site pavement thermal regeneration equipment generally uses hot air radiation and convection heating to heat and treat asphalt mixture at room temperature. However, this method is affected by the water content of the old asphalt recycled material, the uneven heating of the conventional heating box, and the large heat loss due to heat dissipation, which affect the final mixing and paving temperature of the asphalt mixture.

Contents of the invention

Aiming at the above problems, the present invention provides a thermal material vertical lifting device for thermal regeneration of road surfaces. By using the lifting device, the asphalt mixture on the ground can be lifted to a certain height and spread out to achieve the purpose of lifting.

According to the technical solution of the present invention: a thermal material vertical lifting device for thermal regeneration of road surfaces, it is characterized in that: it includes a casing, the lower end of the casing is provided with a spiral feeding device, and the side wall of the upper part of the casing is provided with a scraper chain drive The motor, the upper part of the inner cavity of the casing is rotated to set the scraper sprocket shaft, the output end of the scraper chain drive motor is axially connected with the scraper sprocket through a coupling, and the side wall of the upper part of the casing is also equipped with a tensioner, the inner cavity of the casing The lower part is rotated with a driven sprocket shaft, and the conveying drive plate chain is tensioned and set on the scraper sprocket shaft, driven sprocket shaft and tensioner adjustment shaft, and scraper brackets are evenly distributed on the conveying drive plate chain , a scraper is fixed on the scraper bracket; the upper part of the casing is provided with a discharge port.

As a further improvement of the present invention, the screw feeding device includes a driving motor installed on the side wall of the lower part of the casing, the output end of the driving motor is fixedly connected to the first gear, and a conveying shaft is installed in the lower part of the casing to rotate, and the shaft end of the conveying shaft The second gear is fixedly arranged, the first gear and the second gear mesh with each other, spiral blades are respectively arranged on the shaft diameters at both ends of the conveying shaft, and driving blades are arranged in the middle of the conveying shaft.

As a further improvement of the present invention, the shell corresponding to the lower position of the discharge port on the casing is arc-shaped, and a wear-resistant plate is arranged on the inner wall of the arc-shaped shell, and the wear-resistant plate faces extending down to the bottom surface of the inner cavity of the casing.

As a further improvement of the present invention, the tensioner includes a mounting seat, a bar-shaped groove is opened on the mounting seat along the vertical direction, the adjusting shaft seat is arranged on the bar-shaped groove, and the adjusting bolt is threaded on the mounting seat, and the adjustment The upper end of the bolt is fixedly connected with the adjusting shaft seat.

The technical effect of the present invention is that the structure of the product of the present invention is simple and reasonable, and the asphalt mixture on the ground can be lifted to a certain height and spread out during the working process, so as to achieve the purpose of lifting the asphalt mixture.

Description of drawings

Fig. 1 is a structural schematic diagram of the present invention.

Fig. 2 is a left side view of Fig. 1 .

Detailed ways

The specific embodiments of the present invention will be further described below in conjunction with the accompanying drawings.

In Figures 1 and 2, it includes casing 1, tensioner 2, mounting seat 2.1, bar groove 2.2, adjusting shaft seat 2.3, adjusting bolt 2.4, conveying drive plate chain 3, scraper 4, scraper bracket 5, Spiral feeding device 6, driving motor 6.1, conveying shaft 6.2, spiral blade 6.3, driving blade 6.4, first gear 6.5, second gear 6.6, scraper chain driving motor 7, vertical lifting mounting frame 8, wear-resistant plate 9, Outlet 10 etc.

As shown in Figures 1 and 2, the present invention is a thermal material vertical lifting device for thermal regeneration of road surfaces, including a casing 1, a screw feeding device 6 is arranged at the lower end of the casing 1, and a side wall of the upper part of the casing 1 is arranged The scraper chain driving motor 7, the upper part of the inner cavity of the casing 1 rotates to set the scraper sprocket shaft, the output end of the scraper chain driving motor 7 is axially connected with the scraper sprocket through a coupling, and the upper side wall of the casing 1 is also provided with Tensioner 2, the driven sprocket shaft is installed in the lower part of the inner cavity of the casing 1, and the conveying drive plate chain 3 is tensioned and arranged on the scraper sprocket shaft, the driven sprocket shaft and the adjustment shaft of the tensioner 2. Scraper brackets 5 are evenly distributed on the transmission plate chain 3 , and scrapers 4 are fixed on the scraper brackets 5 ;

Said spiral feeding device 6 includes a driving motor 6.1 installed on the side wall of the lower part of the casing 1, the output end of the driving motor 6.1 is fixedly connected to the first gear 6.5, and the lower casing of the casing 1 is provided with a conveying shaft 6.2 for rotation, and the conveying shaft 6.2 shaft The second gear 6.6 is fixedly arranged at the end, and the first gear 6.5 and the second gear 6.6 mesh with each other. The shaft diameters at both ends of the conveying shaft 6.2 are respectively provided with helical blades 6.3, and the middle part of the conveying shaft 6.2 is provided with driving blades 6.4.

On the casing 1, the casing corresponding to the lower part of the discharge port 10 is arc-shaped, and a wear-resistant plate 9 is arranged on the inner wall of the arc-shaped casing, and the wear-resistant plate 9 extends downward to The bottom surface of the inner cavity of the casing 1, the wear-resistant plate 9 and the outer edge of the scraper 4 are in contact with each other, so as to realize the leak-free lifting and transportation of the asphalt mixture.

The tensioner 2 includes a mounting base 2.1, the mounting base 2.1 is provided with a bar-shaped groove 2.2 along the vertical direction, the adjusting shaft seat 2.3 is arranged on the bar-shaped groove 2.2, and the adjusting bolt 2.4 is threaded on the mounting base 2.1, The upper end of the adjusting bolt 2.4 is fixedly connected with the adjusting shaft seat 2.3.

The working process of the present invention is as follows: the loose asphalt mixture to be heated is first collected from the spiral feeding device 6 and collected. Then the asphalt mixture is lifted to a certain height in the direction shown by the arrow in FIG. The tensioner 2 plays the role of chain tension during the whole movement process. By adjusting the adjustment bolt 2.4, the adjustment bolt 2.4 can be lifted up and down. The casing 1 is provided with a wear-resistant plate 9 at the working arc, so that it can be replaced after wear and tear.

Claims (4)

1. the heat material perpendicular lifting apparatus for road surface hot recycling, it is characterized in that: comprise casing (1), described casing (1) lower end arranges spiral and returns materials device (6), casing (1) upper portion side wall arranges scraper chain drive motors (7), casing (1) inner chamber top is rotated and is arranged scraper chain wheel shaft, the output of scraper chain drive motors (7) by shaft coupling with scraper chain wheel shaft to being connected, casing (1) upper portion side wall is also provided with stretcher (2), casing (1) inner chamber lower rotational is provided with driven chain wheel shaft, conveyance plate chain (3) tensioning is arranged at scraper chain wheel shaft, on the regulating shaft of driven chain wheel shaft and stretcher (2), upper uniform being provided with of described conveyance plate chain (3) scrapes board bracket (5), scrape on board bracket (5) and be fixed with scraper plate (4), described casing (1) top is provided with discharging opening (10).

2. according to the heat material perpendicular lifting apparatus for road surface hot recycling according to claim 1, it is characterized in that: described spiral returns materials device (6) to comprise to be installed on the drive motors (6.1) of casing (1) lower sides, the output of drive motors (6.1) is fixedly connected with the first gear (6.5), rotate in casing (1) lower case and conveying axis (6.2) is set, conveying axis (6.2) axle head is fixedly installed the second gear (6.6), described first gear (6.5), second gear (6.6) engages each other, the diameter of axle at conveying axis (6.2) both ends is respectively arranged with helical blade (6.3), conveying axis (6.2) middle part is provided with driven vane (6.4).

3. according to the heat material perpendicular lifting apparatus for road surface hot recycling according to claim 1, it is characterized in that: described casing (1) is upper, be arc-shaped corresponding to the housing of discharging opening (10) lower position, and wearing plate (9) is set in the inner walls of this arc-shaped, described wearing plate (9) extends downward casing (1) inner chamber bottom surface.

4. according to the heat material perpendicular lifting apparatus for road surface hot recycling according to claim 1, it is characterized in that: described stretcher (2) comprises a mount pad (2.1), mount pad (2.1) vertically offers bar-shaped trough (2.2), adjustable axle seat (2.3) is arranged on bar-shaped trough (2.2), adjusting bolt (2.4) is threadedly connected on mount pad (2.1), and adjusting bolt (2.4) upper end is fixedly connected with adjustable axle seat (2.3).