CN111411560A

CN111411560A - Scraper structure of asphalt paving machine for road construction

Info

Publication number: CN111411560A
Application number: CN202010225199.3A
Authority: CN
Inventors: 孙文哲; 苏涛
Original assignee: Xuzhou Shixin Machinery Manufacturing Co ltd
Current assignee: Xuzhou Shixin Machinery Manufacturing Co ltd
Priority date: 2020-03-26
Filing date: 2020-03-26
Publication date: 2020-07-14

Abstract

The invention discloses a scraper structure of an asphalt paver for road construction, which comprises a conveyor belt, scrapers arranged above the conveyor belt and paver frames, wherein side baffles which are inclined upwards are arranged on two sides of the conveyor belt, each scraper comprises a vertical section and an inclined section which is integrally formed at the bottom of the vertical section, a shaft hole is formed in the side wall of the vertical section, a motor is arranged on each paver frame, the output end of each motor is fixedly connected with a rotating shaft which penetrates through the shaft hole and is communicated to the outside, the tail end of each rotating shaft is rotatably connected with the other paver frame, an -shaped groove plate is fixedly arranged on the back surface of each inclined section, a distance sensor is arranged in each -shaped groove plate, and the signal output end of each distance sensor is electrically connected to each motor through a controller.

Description

Scraper structure of asphalt paving machine for road construction

Technical Field

The invention relates to the technical field of paving machines, in particular to a scraper structure of an asphalt paving machine for road construction.

Background

The asphalt spreader is a machine for spreading asphalt mixture on road base uniformly and performing preliminary compaction and leveling. The device is divided into two types, namely a crawler type and a tire type, and consists of two parts, namely traction, paving, jolt ramming and ironing. The former comprises a frame, a power device, a walking device, a hopper, a material door, a scraper conveyor, a spiral paver, a cab and the like; the latter includes a draft arm, a tap mechanism and an ironing device.

The coarse asphalt concrete and the fine asphalt concrete have different particle sizes, and the distance between the conveying belt and the scraper needs to be adjusted to ensure that the coarse asphalt concrete smoothly passes through the scraper.

To this end, we propose a scraper structure of an asphalt spreader for road construction to solve the above problems.

Disclosure of Invention

The invention aims to provide a scraper structure of an asphalt paver for road construction, which aims to solve the problem of how coarse asphalt concrete smoothly passes through the scraper in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme that the scraper structure of the asphalt paver for road construction comprises a conveying belt, scrapers arranged above the conveying belt and paver frames, wherein the paver frames are positioned at two ends of the scrapers, side baffles inclining upwards are arranged at two sides of the conveying belt, each scraper comprises a vertical section and an inclined section integrally formed at the bottom of the vertical section, a buffer layer is adhered to the front surface of the inclined section, a shaft hole extending along the length direction of the vertical section is formed in the side wall of the vertical section, a motor is arranged on one paver frame, the output end of the motor is fixedly connected with a rotating shaft, the rotating shaft penetrates through the shaft hole and leads to the outside, the tail end of the rotating shaft is rotatably connected with the other paver frame, an -type groove plate is fixedly arranged on the back surface of the inclined section, a distance sensor is arranged in a -type groove plate, and the signal output end of the distance sensor is electrically.

Preferably, the width of the upper end of the inclined section is larger than that of the lower end of the inclined section, and the back surface of the inclined section is flush with the back surface of the vertical section.

Preferably, the shaft hole is composed of a round hole and a rectangular hole communicated with the round hole.

Preferably, the outer wall of the rotating shaft in the shaft hole is provided with a strip-shaped bulge, and the strip-shaped bulge corresponds to the rectangular hole.

Preferably, a bearing is embedded in the side wall of the other group of spreading machine frames, and the tail end of the rotating shaft is fixedly connected with an inner ring of the bearing.

Preferably, a central shaft is arranged between the two ends of the distance sensor and the left side and the right side of the -type slot plate, one end of the central shaft is fixedly connected with the distance sensor, and the other end of the central shaft is rotatably connected with the side wall of the -type slot plate.

Compared with the prior art, the invention has the beneficial effects that: the distance between the scraper and the conveying belt is sensed through the distance sensor, so that the controller is utilized to control the motor to drive the rotating shaft to rotate, the scraper is driven by the rotating shaft to rotate by a certain angle, and the distance between the scraper and the conveying belt is adjusted to a proper height.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a side view of the flight of the present invention;

FIG. 3 is a schematic view of an -type slot plate and a distance sensor according to the present invention;

fig. 4 is a circuit connection block diagram of the distance sensor and the motor of the present invention.

In the figure, the device comprises a conveying belt 1, a conveying belt 11, a side baffle 2, a scraping plate 21, a vertical section 22, an inclined section 23, a buffer layer 24, a shaft hole 3, a spreading machine frame 4, a motor 5, a rotating shaft 6, a bearing 7, an type groove plate 8, a distance sensor 9, a central shaft 10 and a controller.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: the utility model provides a scraper blade structure of pitch spreading machine for road construction, including conveyer belt 1, scraper blade 2 and spreading machine frame 3 of setting above conveyer belt 1, spreading machine frame 3 is located the both ends of scraper blade 2, the both sides of conveyer belt 1 are provided with the ascending side shield 11 of slope, scraper blade 2 includes vertical section 21 and integrated into one piece at the slope section 22 of vertical section 21 bottom, the upper end width of slope section 22 is greater than the lower extreme width, and the back of slope section 22 is the parallel and level with the back of vertical section 21, buffer layer 23 is pasted on the front of slope section 22, the shaft hole 24 that extends along its length direction is seted up to the lateral wall of vertical section 21, shaft hole 24 comprises round hole and the rectangular hole that communicates with the round hole; a motor 4 is installed on one group of spreading machine frames 3, a rotating shaft 5 is fixedly connected with the output end of the motor 4, the rotating shaft 5 penetrates through a shaft hole 24 and leads to the outside, a bearing 6 which is rotatably connected with the tail end of the rotating shaft 5 is embedded on the other group of spreading machine frames 3, a strip-shaped bulge is arranged on the outer wall of the rotating shaft 5 in the shaft hole 24, and the strip-shaped bulge corresponds to the rectangular hole;

a -type groove plate 7 is fixedly mounted on the back of the inclined section 22, a distance sensor 8 is arranged in the -type groove plate 7, a central shaft 9 is arranged between two ends of the distance sensor 8 and the left side and the right side of the -type groove plate 7, one end of the central shaft 9 is fixedly connected with the distance sensor 8, the other end of the central shaft 9 is rotatably connected with the side wall of the -type groove plate 7, a signal output end of the distance sensor 8 is electrically connected with the motor 4 through a controller 10, the distance sensor 8, the controller 10 and the motor 4 are electrically connected with an external power supply, different distance thresholds are set according to particle sizes of materials, when the distance sensor 8 senses that the distance from the distance sensor 8 to the conveyor belt 1 is smaller than a set distance, the controller 10 controls the motor 4 to be started to drive the rotating shaft 5 to rotate, the rotating shaft 5 drives the scraper 2 to rotate for a certain angle, so that the distance between the bottom of the scraper 2 and the conveyor belt 1 is changed, when the distance between the distance from the distance sensor 8 and the conveyor belt 1 reaches the set distance, the controller 10 controls the motor 4 to be turned off, the scraper 2 to keep the inclination angle unchanged, at this.

When the asphalt concrete feeding device is used, asphalt concrete is conveyed to the direction of the scraper blade 2 through the conveyor belt 1, the scraper blade 2 scrapes off the asphalt concrete exceeding the distance between the conveyor belt 1 and the scraper blade 2, the asphalt concrete feeding speed is kept consistent, the distance between the conveyor belt 1 and the scraper blade 2 is set according to actual needs, when the distance sensor 8 senses that the distance between the distance sensor 8 and the conveyor belt 1 is smaller than the set distance, the controller 10 controls the motor 4 to be started, the motor drives the rotating shaft 5 to rotate, the rotating shaft 5 drives the scraper blade 2 to rotate for a certain angle, the distance between the bottom of the scraper blade 2 and the conveyor belt 1 is changed, when the distance between the distance sensor 8 and the conveyor belt 1 reaches the set distance, the controller 10 controls the motor 4 to be turned off, the scraper blade 2 keeps the inclination angle unchanged, at the moment, the -type trough plate 7 is in the inclined position, but the central shaft 9 rotates for a certain angle under the action of the gravity of the distance.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a scraper blade structure of pitch spreading machine for road construction, includes conveyer belt (1), sets up scraper blade (2) and spreading machine frame (3) above conveyer belt (1), spreading machine frame (3) are located the both ends of scraper blade (2), characterized in that the both sides of conveyer belt (1) are provided with the ascending side shield (11) of slope, scraper blade (2) include vertical section (21) and integrated into one piece in the slope section (22) of vertical section (21) bottom, the front of slope section (22) is pasted and is had buffer layer (23), the lateral wall of vertical section (21) is seted up along its length direction extending shaft hole (24), wherein install motor (4) on a set of spreading machine frame (3), and the output fixedly connected with pivot (5) of motor (4), pivot (5) run through shaft hole (24) and access to the outside, and the end and another set of pivot (5) spreading machine frame (3) rotate and be connected, the back fixed mounting of slope section (22) has type slot plate (), and ) be provided with the distance sensor (8) electricity in the sensor (10) are connected to the sensor.

2. The scraper structure of an asphalt spreader for road construction according to claim 1, wherein: the width of the upper end of the inclined section (22) is larger than that of the lower end of the inclined section, and the back surface of the inclined section (22) is flush with the back surface of the vertical section (21).

3. The scraper structure of an asphalt spreader for road construction according to claim 1, wherein: the shaft hole (24) is composed of a round hole and a rectangular hole communicated with the round hole.

4. The scraper structure of an asphalt spreader for road construction according to claim 3, wherein: the outer wall of the rotating shaft (5) in the shaft hole (24) is provided with a strip-shaped bulge, and the strip-shaped bulge corresponds to the rectangular hole.

5. The scraper structure of an asphalt spreader for road construction according to claim 1, wherein: and a bearing (6) is embedded in the side wall of the other group of spreading machine frame (3), and the tail end of the rotating shaft (5) is fixedly connected with the inner ring of the bearing (6).

6. The scraper structure of an asphalt spreader for road construction according to claim 1, wherein a central shaft (9) is provided between both ends of the distance sensor (8) and the left and right sides of the -type trough plate (7), one end of the central shaft (9) is fixedly connected to the distance sensor (8), and the other end of the central shaft (9) is rotatably connected to the side wall of the -type trough plate (7).