CN213507919U

CN213507919U - Environment-friendly modified asphalt processing device

Info

Publication number: CN213507919U
Application number: CN202021816765.XU
Authority: CN
Inventors: 钟海波; 谢向阳; 吴冰洋
Original assignee: Jiangsu Modern Road And Bridge Co ltd
Current assignee: Jiangsu Modern Road And Bridge Co ltd
Priority date: 2020-08-26
Filing date: 2020-08-26
Publication date: 2021-06-22
Anticipated expiration: 2030-08-26

Abstract

The utility model provides an environment-friendly modified asphalt processing device, which comprises a feeding mechanism, a mixing mechanism and a driving mechanism, wherein the feeding mechanism comprises a modifier conveying pipe and an asphalt conveying pipe which extend into the mixing mechanism; the material mixing mechanism comprises a shell and two stirring shafts which are arranged in the shell in parallel, the driving mechanism comprises a motor, a transmission shaft, a first driving bevel gear, a second driving bevel gear, a first driven bevel gear and a second driven bevel gear, the transmission shaft is connected with the motor, the first driving bevel gear and the second driving bevel gear are oppositely arranged on the transmission shaft, the first driven bevel gear and the second driven bevel gear are respectively arranged at the end parts of the two stirring shafts, the first driven bevel gear and the second driven bevel gear are respectively meshed with the first driving bevel gear and the second driving bevel gear, and the motor can drive the two stirring shafts to reversely rotate. The utility model discloses can solve modifier and pitch material and mix not enough abundant and even, the problem that segregation layering phenomenon appears in long-term storage of pitch.

Description

Environment-friendly modified asphalt processing device

Technical Field

The utility model belongs to the technical field of the pitch production facility, concretely relates to environmental protection modified asphalt processingequipment.

Background

The asphalt is a black-brown complex mixture composed of hydrocarbons with different molecular weights and non-metallic derivatives thereof, is a pavement structure cementing material widely applied in road engineering, and can be matched with mineral materials with different components in proportion to build asphalt pavements with different structures. The addition of the modifier in the asphalt mixture can improve or improve the pavement performance of the asphalt, such as increasing the high-temperature deformation resistance, low-temperature cracking resistance, fatigue and oxidation resistance, mechanical strength or toughness of the asphalt, and the like.

In the adding process of the modifier, if the modifier and the asphalt material are not sufficiently and uniformly mixed, the actual road performance of the asphalt is affected, and the asphalt is separated and layered after being stored for a long time.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an environmental protection modified asphalt processingequipment to solve modifier and pitch material and mix not enough abundant and even, influence the actual road performance of pitch, the problem that segregation layering phenomenon appears in long-term storage of pitch.

The utility model provides a following technical scheme:

an environment-friendly modified asphalt processing device comprises a feeding mechanism, a mixing mechanism and a driving mechanism, wherein the feeding mechanism comprises a modifier conveying pipe and an asphalt conveying pipe, and the modifier conveying pipe and the asphalt conveying pipe extend into the mixing mechanism; the mixing mechanism comprises a shell and two stirring shafts which are arranged in the shell in parallel and are provided with a plurality of blades, the driving mechanism is arranged outside the mixing mechanism and comprises a motor, a transmission shaft, a first driving bevel gear, a second driving bevel gear, a first driven bevel gear and a second driven bevel gear, the transmission shaft is in transmission connection with an output shaft of the motor, the first driving bevel gear and the second driving bevel gear are oppositely arranged on the transmission shaft at intervals, the first driven bevel gear and the second driven bevel gear are respectively arranged at the end parts of the two stirring shafts, the first driven bevel gear and the second driven bevel gear are respectively in meshing connection with the first driving bevel gear and the second driving bevel gear, and the motor can drive the two stirring shafts to rotate reversely.

Preferably, a support frame is installed on the outer wall of the shell, a bearing is installed at the end of the support frame, and the middle of the transmission shaft is installed in the bearing.

Preferably, the blades on the two stirring shafts are arranged in a staggered manner.

Preferably, the top of the shell is open, and the modifier conveying pipe and the asphalt conveying pipe both extend into the top of the shell; and a discharge hole with the downward direction is formed at the bottom of the modifier conveying pipe.

Furthermore, the bottom of the shell is hinged with a discharging plate, the outer side wall of the shell is hinged with an oil cylinder, a piston rod of the oil cylinder is hinged with the other end of the discharging plate, and the oil cylinder can drive the discharging plate to rotate downwards to discharge materials.

Furthermore, a mixing bin which can receive the materials discharged from the shell is arranged below the shell.

The utility model has the advantages that: the utility model is used for mix the stirring with modifier and pitch granule and obtain the dispersibility and even the good modified asphalt of viscidity, make it deposit for a long time and can not isolate the layering. Two stirring shafts are arranged in the shell, and the motor drives the two stirring shafts to synchronously and reversely rotate through the mutual matching of the transmission shaft and the two driving bevel gears and the two driven bevel gears, so that materials in the shell are mixed disorderly, and the uniformity of a stirring effect is enhanced; the driving mechanism of the device is only provided with one driving motor, so that the whole structure is more compact, and the electric energy consumption is saved.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is a schematic view of the internal structure of the present invention;

fig. 2 is a schematic top view of the mixing mechanism and the driving mechanism of the present invention;

fig. 3 is a schematic view of the mounting structure of the oil cylinder and the stripper plate of the present invention.

Labeled as: 1. a modifier conveying pipe; 2. conveying the asphalt; 3. a housing; 4. a blade; 5. a stirring shaft; 6. a discharge port; 7. a motor; 8. a drive shaft; 9. a first drive bevel gear; 10. a second drive bevel gear; 11. a first driven bevel gear; 12. a second driven bevel gear; 13. a support frame; 14. a bearing; 15. a stripper plate; 16. an oil cylinder; 17. a mixing bin; 18. and a bearing seat.

Detailed Description

As shown in fig. 1 and 2, an environment-friendly modified asphalt processing device comprises a feeding mechanism, a mixing mechanism and a driving mechanism. The feeding mechanism comprises a modifier conveying pipe 1 and an asphalt conveying pipe 2, the modifier conveying pipe 1 and the asphalt conveying pipe 2 extend into the mixing mechanism and respectively and continuously convey asphalt modifiers and asphalt particles to the mixing mechanism, and the asphalt modifiers comprise one or more materials such as high polymer resin, rubber, a crosslinking agent, a catalyst and carbon black. The mixing mechanism comprises a shell 3 and at least two stirring shafts 5 which are arranged in the shell 3 in parallel and are provided with a plurality of blades 4. The top of the shell 3 is opened, and the modifier conveying pipe 1 and the asphalt conveying pipe 2 extend into the top of the shell, wherein the bottom of the modifier conveying pipe 1 is provided with a downward discharge port 6, and the discharge port 6 is opposite to the inner feeding of the shell to prevent the powdery modifier from escaping out of the shell.

The driving mechanism is installed on the outer side wall of the shell 3, the driving mechanism comprises a motor 7, a transmission shaft 8, a first driving bevel gear 9, a second driving bevel gear 10, a first driven bevel gear 11 and a second driven bevel gear 12, the transmission shaft 8 is connected with the output shaft of the motor 7 through a coupler, the first driving bevel gear 9 and the second driving bevel gear 10 are installed at two ends of the transmission shaft 8 in opposite directions, the first driven bevel gear 11 and the second driven bevel gear 12 are respectively installed at the end parts of the two stirring shafts 5, the first driven bevel gear 11 and the second driven bevel gear 12 are respectively meshed with the first driving bevel gear 9 and the second driving bevel gear 10, when the motor 7 drives the transmission shaft 8 to rotate clockwise, the first driving bevel gear 9 drives the first driven bevel gear 11 to rotate clockwise, the second driving bevel gear 10 drives the second driven bevel gear 12 to rotate counterclockwise, so as to enable the two stirring shafts, mix the material unordered in the casing, the stirring effect is more even, and efficiency is higher. The blades 4 on the two stirring shafts are staggered mutually, namely, the blade on one stirring shaft can be inserted into the gap between the two blades of the other stirring shaft, so that the materials in the gap between the stirring blades are stirred, the stirring dead zone is avoided, and the stirring effect is further improved.

The outer wall of the shell 3 is provided with a support frame 13, the end part of the support frame 13 is provided with a bearing 14, the middle part of the transmission shaft 8 is arranged in the bearing 14, the transmission shaft 8 and the bearing 14 are in rolling friction, and the bearing 14 plays a role in auxiliary support and torque transmission stability enhancement for the transmission shaft 8. A bearing seat 18 is mounted on the outer wall of the housing 3 at the end of the drive shaft, the end of the drive shaft 8 being mounted in bearings in the bearing seat 18.

As shown in fig. 3, the bottom of the housing 3 is hinged with a discharging plate 15, and the discharging plate 15 is in a horizontal state at normal state, thereby sealing the bottom of the housing 3. An oil cylinder 16 is hinged on the outer side wall of the shell 3, a piston rod of the oil cylinder 16 is hinged at the other end of the discharging plate 15, and the oil cylinder 16 can drive the discharging plate 15 to rotate downwards to open the shell, so that the mixed materials flow out of the shell through the discharging plate 15. A mixing bin 17 which can receive the materials discharged from the shell is arranged below the shell 3, and the bottom of the mixing bin 17 can be connected with a conveyer belt to convey the materials to the next process.

The working process of the device is as follows: the modifier conveying pipe 1 and the asphalt conveying pipe 2 respectively convey the modifier and the asphalt particles into the shell 3. After the motor 7 is started, the two stirring shafts 5 are driven to rotate reversely to stir and uniformly mix the materials in the shell 3, and after the materials are stirred for a period of time, the oil cylinder 16 is started, the discharging plate 15 is opened, and the materials in the shell 3 are discharged into the mixing bin 17.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The environment-friendly modified asphalt processing device is characterized by comprising a feeding mechanism, a mixing mechanism and a driving mechanism, wherein the feeding mechanism comprises a modifier conveying pipe and an asphalt conveying pipe, and the modifier conveying pipe and the asphalt conveying pipe extend into the mixing mechanism; the mixing mechanism comprises a shell and two stirring shafts which are arranged in the shell in parallel and are provided with a plurality of blades; the driving mechanism is installed outside the material mixing mechanism and comprises a motor, a transmission shaft, a first driving bevel gear, a second driving bevel gear, a first driven bevel gear and a second driven bevel gear, the transmission shaft is in transmission connection with an output shaft of the motor, the first driving bevel gear and the second driving bevel gear are installed on the transmission shaft at intervals in opposite directions, the first driven bevel gear and the second driven bevel gear are installed at the end parts of the two stirring shafts respectively, the first driven bevel gear and the second driven bevel gear are in meshing connection with the first driving bevel gear and the second driving bevel gear respectively, and the motor can drive the two stirring shafts to rotate reversely.

2. The environment-friendly modified asphalt processing device as claimed in claim 1, wherein a support frame is mounted on the outer wall of the housing, a bearing is mounted at the end of the support frame, and the middle part of the transmission shaft is mounted in the bearing.

3. The environment-friendly modified asphalt processing device as claimed in claim 2, wherein the blades of the two stirring shafts are arranged in a staggered manner.

4. The environment-friendly modified asphalt processing device as claimed in claim 3, wherein the top of the housing is open, and the modifier delivery pipe and the asphalt delivery pipe both extend into the top of the housing; and a discharge hole with the downward direction is formed at the bottom of the modifier conveying pipe.

5. The environment-friendly modified asphalt processing device according to claim 1, wherein a discharging plate is hinged to the bottom of the housing, and is in a horizontal state in a normal state; the outer side wall of the shell is hinged with an oil cylinder, a piston rod of the oil cylinder is hinged with the other end of the discharging plate, and the oil cylinder can drive the discharging plate to rotate downwards to discharge materials.

6. The environment-friendly modified asphalt processing device according to claim 5, wherein a mixing bin capable of receiving the material discharged from the casing is arranged below the casing.