CN211772642U

CN211772642U - Asphalt paving device for highway construction

Info

Publication number: CN211772642U
Application number: CN201922357494.XU
Authority: CN
Inventors: 冯宇
Original assignee: Hunan Jufeng Traffic Engineering Co ltd
Current assignee: Hunan Jufeng Traffic Engineering Co ltd
Priority date: 2019-12-25
Filing date: 2019-12-25
Publication date: 2020-10-27
Anticipated expiration: 2029-12-25

Abstract

The utility model discloses a pitch paving device for highway construction, which relates to the technical field of highway construction machinery and comprises a base, wherein a compression roller is rotatably arranged on the right side of the bottom of the base; the top of the base is fixedly provided with a crushing box through a bracket; the bottom of the crushing box is funnel-shaped, and the bottom of the crushing box is connected with a discharging pipe; the top of the base is also fixedly provided with a melting barrel through a bracket; the upper left corner of the melting barrel is communicated with a blanking pipe; a plurality of uniformly distributed electric heating rods are embedded in the side wall of the melting barrel; a second rotating shaft is arranged at the position of an axis in the melting barrel; the side wall of the second rotating shaft is fixedly connected with a helical blade; the lower right corner of the melting barrel is fixedly connected with a discharge pipe, and the bottom of the discharge pipe penetrates through the base and extends to the lower side of the base. The utility model discloses raw materials are smashed, are filtered, are heated the melting, are mixed, pay-off, are spread, are flattened and go on simultaneously, improve whole work efficiency, need not to carry out in proper order through a plurality of devices, reduce construction cost.

Description

Asphalt paving device for highway construction

Technical Field

The utility model relates to a highway construction machinery technical field specifically is a pitch device of paving for highway construction.

Background

Asphalt pavement refers to various types of pavement that are made by incorporating into mineral materials a road asphalt material. The asphalt binder improves the capability of the paving aggregate to resist damage of traveling vehicles and natural factors to the pavement, and enables the pavement to be smooth, less in dust, impermeable and durable. Accordingly, asphalt pavement is one of the most widely used high-grade pavements in road construction.

Need mix pitch melting and with other raw materials through the device before the pitch paves, will mix the back after the completion and pave on the road surface, flatten the compaction by road roller etc. again, whole process design mechanical device is more, need mutually support, and the operation is more loaded down with trivial details, and laying cost is also higher, is unfavorable for improving whole efficiency of construction.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a pitch device of paving for highway construction to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

the asphalt paving device for highway construction comprises a base, wherein rollers are rotatably arranged on the left side of the bottom of the base, and a compression roller is rotatably arranged on the right side of the bottom of the base; the top of the base is fixedly provided with a crushing box through a support, the top of the crushing box is provided with a feed hopper, a left rotating shaft and a right rotating shaft are symmetrically arranged in the crushing box, the front end and the rear end of each rotating shaft respectively penetrate through the front wall and the rear wall of the crushing box and are rotationally connected with the front wall and the rear wall of the crushing box, gears which are mutually meshed are fixedly arranged on the rear sides of the left rotating shaft and the right rotating shaft, and crushing rollers which are mutually matched are also fixedly; a first speed reducing motor is fixedly mounted on the rear side wall of the crushing box, and a motor shaft at the front end of the first speed reducing motor is connected with the rear end of the right rotating shaft; the bottom of the crushing box is funnel-shaped, and the bottom of the crushing box is connected with a discharging pipe; the top of the base is also fixedly provided with a melting barrel through a bracket; the upper left corner of the melting barrel is communicated with a blanking pipe; a plurality of uniformly distributed electric heating rods are embedded in the side wall of the melting barrel; a second rotating shaft is arranged at the position of an axis in the melting barrel, and two end ends of the second rotating shaft are rotatably connected with the left wall and the right wall of the melting barrel through sealing bearings; a second speed reducing motor is fixedly arranged on the left wall of the melting barrel, and a motor shaft at the right end of the second speed reducing motor is connected with a second rotating shaft; the side wall of the second rotating shaft is fixedly connected with a helical blade; the side wall of the second rotating shaft is also fixedly connected with a plurality of stirring blades which are alternately arranged and positioned among the helical blades; the lower right corner of the melting barrel is fixedly connected with a discharge pipe, and the bottom of the discharge pipe penetrates through the base and extends to the lower side of the base.

As a further aspect of the present invention: the left end of the base is fixedly connected with a hook.

As a further aspect of the present invention: the surface of the crushing roller is uniformly covered with crushing teeth.

As a further aspect of the present invention: and the outer side of the melting barrel is also wrapped with an insulating layer.

As a further aspect of the present invention: a screen is fixedly arranged at the bottom in the crushing box, the screen inclines towards the lower left, a discharge chute is fixedly connected to the lower left corner of the screen, the discharge chute extends out of the crushing box, and a vibration motor is fixedly arranged at the bottom of the screen; the base top still is provided with the storage hopper, and the storage hopper is located the blown down tank below.

As a further aspect of the present invention: the discharging pipe bottom is fixedly connected with a discharging nozzle communicated with the discharging pipe bottom, and a discharging port of the discharging nozzle is in a long strip shape.

As a further aspect of the present invention: the top of the base is also fixedly provided with a spiral elevator, and a feed inlet at the bottom of the spiral elevator is communicated with the storage hopper; spiral elevator top discharge gate fixedly connected with filling tube, the slope of filling tube below the right side and filling tube right-hand member export are located the feeder hopper top.

Compared with the prior art, the beneficial effects of the utility model are as follows:

1. crushing the mixed raw materials of solid asphalt, gravel and the like by oppositely rotating the crushing rollers; the screen mesh is driven to vibrate by the vibrating motor, the crushed raw materials are screened, the screened particles are small enough, the raw materials can be vibrated and dispersed by the screen mesh vibration, the caking is avoided, and the subsequent melting and paving quality is ensured;

2. the spiral blades are arranged in the melting barrel, and the spiral blades rotate to drive the raw material mixture to move rightwards during heating; the stirring blades are also arranged to stir and mix the raw materials, so that the heating is more uniform, and meanwhile, the molten asphalt and other raw materials are more uniformly mixed;

3. the raw material crushing, screening, heating and melting, mixing, feeding, paving and flattening are carried out simultaneously, so that the overall working efficiency is improved, a plurality of devices are not required to be sequentially executed, and the construction cost is reduced;

4. the bottom of the discharge pipe is also fixedly connected with a discharge nozzle communicated with the discharge pipe, and a discharge port of the discharge nozzle is in a strip shape, so that the paving area is larger during discharging, the paving is more uniform, and the flattening effect is better;

5. the spiral elevator is arranged for conveying and feeding, so that manual feeding is not needed, the labor intensity is reduced, and the working efficiency is improved; and meanwhile, unqualified raw materials are screened and fall into the storage hopper, and can be conveyed again by the spiral elevator for crushing, so that the raw materials are used more fully.

Drawings

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

Fig. 2 is a schematic cross-sectional view of a melting barrel according to embodiment 1 of the present invention.

Fig. 3 is a schematic structural diagram of embodiment 2 of the present invention.

Fig. 4 is a schematic structural view of a discharge nozzle in embodiment 2 of the present invention.

Fig. 5 is a schematic structural diagram of embodiment 3 of the present invention.

Notations for reference numerals: 1-hook, 2-base, 3-roller, 4-storage hopper, 5-crushing box, 6-feed hopper, 7-first rotating shaft, 8-gear, 9-crushing roller, 10-first reducing motor, 11-screen, 12-vibration motor, 13-discharge tank, 14-discharge pipe, 15-second reducing motor, 16-melting barrel, 17-electric heating rod, 18-insulating layer, 19-second rotating shaft, 20-helical blade, 21-stirring blade, 22-discharge pipe, 23-compression roller, 24-discharge nozzle, 25-helical elevator, 26-feed pipe.

Detailed Description

The present invention will be described in detail with reference to the following embodiments, wherein like or similar elements are designated by like reference numerals throughout the drawings or description, and wherein the shape, thickness or height of the various elements may be expanded or reduced in practical applications. The embodiments of the present invention are provided only for illustration, and not for limiting the scope of the present invention. Any obvious and obvious modifications or alterations to the present invention can be made without departing from the spirit and scope of the present invention.

Example 1

Referring to fig. 1-2, in the embodiment of the present invention, an asphalt paving device for highway construction includes a base 2, a roller 3 is rotatably installed on the left side of the bottom of the base 2, a compression roller 23 is rotatably installed on the right side of the bottom of the base 2, and the paving asphalt and the like are compacted and flattened during the movement of the device; the hook 1 is fixedly connected to the left end of the base 2, so that the device is conveniently pulled;

the top of the base 2 is fixedly provided with a crushing box 5 through a support, the top of the crushing box 5 is provided with a feed hopper 6, a left rotating shaft 7 and a right rotating shaft 7 are symmetrically arranged in the crushing box 5, the front end and the rear end of each rotating shaft 7 respectively penetrate through the front wall and the rear wall of the crushing box 5 and are rotationally connected with the front wall and the rear wall of the crushing box 5, gears 8 which are meshed with each other are fixedly arranged on the rear sides of the left rotating shaft 7 and the right rotating shaft 7, crushing rollers 9 which are matched with each other are also fixedly arranged in the middle positions of; a first speed reducing motor 10 is fixedly installed on the rear side wall of the crushing box 5, and a motor shaft at the front end of the first speed reducing motor 10 is connected with the rear end of the right rotating shaft 7; when the first speed reducing motor 10 is started, the left and right crushing rollers 9 rotate oppositely, so that the mixed raw materials such as solid asphalt, gravel and the like are crushed; the bottom in the crushing box 5 is fixedly provided with a screen 11, the screen 11 inclines towards the lower left, the lower left corner of the screen 11 is fixedly connected with a discharge chute 13, the discharge chute 13 extends out of the crushing box 5, the bottom of the screen 11 is fixedly provided with a vibrating motor 12, the vibrating motor 12 drives the screen 11 to vibrate, crushed raw materials are screened, screened particles are small enough, and the subsequent melting and paving quality is guaranteed; the vibration of the screen 11 can also disperse the raw materials, so that the caking is avoided; the top of the base 2 is also provided with a storage hopper 4, the storage hopper 4 is positioned below the discharge chute 13, and the raw materials with larger volume after crushing and screening fall into the storage hopper 4 and can be subsequently crushed and screened again for use; the bottom of the crushing box 5 is funnel-shaped, the bottom of the crushing box 5 is connected with a blanking pipe 14, and the raw materials fall through the blanking pipe 14;

the top of the base 2 is also fixedly provided with a melting barrel 16 through a bracket; the upper left corner of the melting barrel 16 is communicated with the discharging pipe 14, and the crushed and screened raw materials fall into the melting barrel 16; a plurality of uniformly distributed electric heating rods 17 are embedded in the side wall of the melting barrel 16 to heat the barrel body of the melting barrel 16 so as to melt the asphalt, and the outer side of the melting barrel 16 is also wrapped with an insulating layer 18 so as to reduce heat loss and save more energy; a second rotating shaft 19 is arranged at the inner axis of the melting barrel 16, and two end ends of the second rotating shaft 19 are rotatably connected with the left wall and the right wall of the melting barrel 16 through sealing bearings; a second speed reducing motor 15 is fixedly arranged on the left wall of the melting barrel 16, and a motor shaft at the right end of the second speed reducing motor 15 is connected with a second rotating shaft 19; the side wall of the second rotating shaft 19 is fixedly connected with a helical blade 20, and the helical blade 20 drives the raw material mixture to move rightwards when rotating; the side wall of the second rotating shaft 19 is also fixedly connected with a plurality of stirring blades 21, the stirring blades 21 are alternately arranged and positioned between the helical blades 20, and the stirring blades 21 stir and mix the raw materials, so that the heating is more uniform, and meanwhile, the molten asphalt is more uniformly mixed with other raw materials; a discharge pipe 22 is fixedly connected to the lower right corner of the melting barrel 16, the bottom of the discharge pipe 22 penetrates through the base 2 and extends to the position below the base 2, and the melted mixed raw materials fall down and are paved and flattened by a press roller 23; raw materials are smashed, screened, heated and melted, mixed, fed, paved and flattened simultaneously, the whole working efficiency is improved, sequential execution through a plurality of devices is not needed, and the construction cost is reduced.

Example 2

Referring to fig. 3 to 4, on the basis of embodiment 1, the bottom of the discharge pipe 22 is further fixedly connected with a discharge nozzle 24 communicated therewith, and a discharge port of the discharge nozzle 24 is in a strip shape, so that the paving area is larger during discharging, the paving is more uniform, and the flattening effect is better.

Example 3

Referring to fig. 5, on the basis of embodiment 2, a spiral elevator 25 is further fixedly disposed at the top of the base 2, and a feed inlet at the bottom of the spiral elevator 25 is communicated with the storage hopper 4; a discharge port at the top of the spiral elevator 25 is fixedly connected with a feeding pipe 26, the feeding pipe 26 is inclined towards the lower right, and an outlet at the right end of the feeding pipe 26 is positioned above the feeding hopper 6; the raw materials mixed in proportion can be directly stored in the storage hopper 4 and conveyed by the spiral elevator 25 for feeding without manual feeding, so that the labor intensity is reduced, and the working efficiency is improved; and meanwhile, unqualified raw materials are screened and fall into the storage hopper 4, and can be conveyed again by the screw elevator 25 for crushing, so that the raw materials are used more fully.

After the device is used, common sandstone raw materials outside asphalt can be added, the device is continuously operated for a period of time, and residual molten asphalt in the melting barrel 16 is discharged, so that the device is prevented from being incapable of being used due to solidification.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The asphalt paving device for highway construction comprises a base (2), wherein a roller (3) is rotatably arranged on the left side of the bottom of the base (2), and a compression roller (23) is rotatably arranged on the right side of the bottom of the base (2); the automatic grinding machine is characterized in that a grinding box (5) is fixedly arranged at the top of a base (2) through a support, a feed hopper (6) is arranged at the top of the grinding box (5), a left rotating shaft and a right rotating shaft (7) are symmetrically arranged in the grinding box (5), the front end and the rear end of each rotating shaft (7) respectively penetrate through the front wall and the rear wall of the grinding box (5) and are rotatably connected with the front wall and the rear wall of the grinding box (5), gears (8) which are mutually meshed are fixedly arranged at the rear sides of the left rotating shaft and the right rotating shaft (7), and grinding rollers (9) which are mutually matched are; a first speed reducing motor (10) is fixedly mounted on the rear side wall of the crushing box (5), and a motor shaft at the front end of the first speed reducing motor (10) is connected with the rear end of the right rotating shaft (7); the bottom of the crushing box (5) is funnel-shaped, and the bottom of the crushing box (5) is connected with a discharging pipe (14);

the top of the base (2) is also fixedly provided with a melting barrel (16) through a bracket; the upper left corner of the melting barrel (16) is communicated with a discharging pipe (14); a plurality of electric heating rods (17) which are uniformly distributed are embedded in the side wall of the melting barrel (16); a second rotating shaft (19) is arranged at the inner axis of the melting barrel (16), and two end ends of the second rotating shaft (19) are rotatably connected with the left wall and the right wall of the melting barrel (16) through sealing bearings; a second speed reducing motor (15) is fixedly arranged on the left wall of the melting barrel (16), and a motor shaft at the right end of the second speed reducing motor (15) is connected with a second rotating shaft (19); the side wall of the second rotating shaft (19) is fixedly connected with a helical blade (20); the side wall of the second rotating shaft (19) is also fixedly connected with a plurality of stirring blades (21), and the stirring blades (21) are alternately arranged and positioned among the helical blades (20); the lower right corner of the melting barrel (16) is fixedly connected with a discharge pipe (22), and the bottom of the discharge pipe (22) penetrates through the base (2) and extends to the position below the base (2).

2. The asphalt paving device for road construction according to claim 1, wherein the left end of the base (2) is fixedly connected with a hook (1).

3. The asphalt paving apparatus for road construction according to claim 1, wherein the surface of the pulverizing roller (9) is uniformly covered with pulverizing teeth.

4. The asphalt paving apparatus for road construction according to claim 1, wherein the melting barrel (16) is further wrapped with an insulating layer (18) on the outside.

5. The asphalt paving device for highway construction according to any one of claims 1-4, wherein a screen (11) is fixedly arranged at the bottom in the crushing box (5), the screen (11) is inclined towards the lower left, a discharge chute (13) is fixedly connected to the lower left corner of the screen (11), the discharge chute (13) extends out of the crushing box (5), and a vibrating motor (12) is fixedly arranged at the bottom of the screen (11); the top of the base (2) is also provided with a storage hopper (4), and the storage hopper (4) is positioned below the discharge chute (13).

6. The asphalt paving device for road construction according to claim 5, wherein the bottom of the discharge pipe (22) is further fixedly connected with a discharge nozzle (24) communicated with the discharge pipe, and a discharge port of the discharge nozzle (24) is in a long strip shape.

7. The asphalt paving device for highway construction according to claim 6, wherein a spiral elevator (25) is fixedly arranged at the top of the base (2), and a feed inlet at the bottom of the spiral elevator (25) is communicated with the storage hopper (4); screw elevator (25) top discharge gate fixedly connected with filling tube (26), filling tube (26) below slope and filling tube (26) right-hand member export are located feeder hopper (6) top.